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BLD2024-0120_Manufacturer_Specifications_and_Installation_Instructions_1.29.2024_9.45.07_AM_4025122
MBVC © 2013, 2015-2017 Goodman Manufacturing Company, L.P 5151 San Felipe, Suite 500, Houston, TX 77056 BLOWER CABINET www.daikincomfort.com - www.goodmanmfg.com - www.amana-hac.com INSTALLATION INSTRUCTIONS P/N: 10-438E Date: December 2017 CONTENTS INTRODUCTION INTRODUCTION.............................................................................. 1 ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS ..................................... 1 CHECKING PRODUCT RECEIVED........................................................... 2 REPLACEMENT PARTS...................................................................... 2 ORDERINGPARTS.......................................................................... 2 IMPORTANTSAFETY INSTRUCTIONS....................................................... 2 RECOGNIZESAFETY SYMBOLS, WORDS, AND LABELS ................................. 2 GENERAL INFORMATION...................................................................3 FEATURES.................................................................................... 3 ACHIEVING LESS AIR LEAKAGE: .......................................................... 3 CLEARANCESAND ACCESSIBILITY......................................................... 3 INSULATION................................................................................. 3 INSTALLATIONINSTRUCTIONS.............................................................. 3 BLOWER WITH CASED EVAPORATOR COIL INSTALLATION .............................. 3 UPFLOW INSTALLATION.................................................................... 3 COUNTERFLOW INSTALLATION............................................................. 4 HORIZONTALINSTALLATION............................................................... 4 ELECTRICALCONNECTIONS.................................................................5 20812.30 VOLT LINE CONNECTIONS.....................................................5 LOW VOLTAGE WIRING................................................................... 5 OPERATION ON 208 VOLT SUPPLY ...................................................... 5 24 VOLT "LEGACY" THERMOSTAT WIRING ............................................ 5 AUXILIARY ALARM SWITCH............................................................... 6 CIRCULATORBLOWER...................................................................... 6 TROUBLESHOOTING....................................................................... 10 ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS ................................... 10 DIAGNOSTIC CHART...................................................................... 10 COMFORTNETTn' SYSTEM............................................................... 10 OVERVIEW................................................................................ 10 AIRFLOW CONSIDERATION............................................................... 10 CONTROL WIRING....................................................................... 11 COMFORTNETTN' SYSTEM ADVANCED FEATURES ..................................... 11 DIAGNOSTICS............................................................................. 13 NETWORKTROUBLESHOOTING.......................................................... 13 SYSTEMTROUBLESHOOTING............................................................. 13 TROUBLESHOOTING INFORMATION: AIR HANDLER DIAGNOSTIC CODES........... 14 WIRING DIAGRAM....................................................................... 19 NOTICE IF AN "EC" ERROR IS ENCOUNTERED ON STARTUP, VERIFY THAT THE ELECTRIC HEATER DIP SWITCHES HAVE BEEN SET TO THE APPROPRIATE HEATER SIZE. SEE PAGES 7 AND 8 FOR THE HEATER KIT AIRFLOW DELIVERY AND DIP SWITCH SETTINGS. THIS PRODUCT CONTAINS ELECTRONIC COMPONENTS WHICH REQUIRE A DEFINITE GROUND. PROVISIONS ARE MADE FOR CONNECTION OF THE GROUND. A DEDI- CATED GROUND FROM THE MAIN POWER SUPPLY OR AN EARTH GROUND MUST BE PROVIDED. This booklet contains the installation and operating instructions for your modular blower cabinet. All warnings and precautions within this booklet must be observed. Improper installation can result in problems ranging from noisy operation to property or equipment damages, dangerous conditions that could result in injury or personal property damage and that are not covered by the warranty. Read this booklet and any instructions packaged with accessories prior to installation. Give this booklet to the user and explain its provisions. The user should retain this booklet for future reference. NOTE: Upon start up in communicating mode the circuit board may display an "Ec" error. This is an indication that the dip switches on the control board need to be configured in accordance with the Electric Heating Airflow Table in this manual. Configuring the dip switches and resetting power to the unit will clear the error code. ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS NOTE: Discharge body's static electricity before touching unit. An electrostatic discharge can adversely affect electrical components. Use the following precautions during modular blower installation and servicing to protect the integrated control module from dam- age. By putting the modular blower, the control, and the person at the same electrostatic potential, these steps will help avoid ex- posing the integrated control module to electrostatic discharge. This procedure is applicable to both installed and uninstalled (un- grounded) blowers. 1. Disconnect all power to the blower. Do not touch the integrated control module or any wire connected to the control prior to discharging your body's electrostatic charge to ground. 2. Firmly touch a clean, unpainted, metal surface of the modular blower near the control. Any tools held in a person's hand during grounding will be discharged. 3. Service integrated control module or connecting wiring following the discharge process in step 2. Use caution not to recharge your body with static electricity; (i.e., do not move or shuffle your feet, do not touch ungrounded objects, etc.). If you come in contact with an ungrounded object, repeat step 2 before touching control or wires. 4. Discharge your body to ground before removing a new control from its container. Follow steps 1 through 3 if installing the control on a blower. Return any old or new controls to their containers before touching any ungrounded object. I&0nff is a registered trademark of Maytag Corporation or its related companies and is used under license. All rights reserved. a. CHECKING PRODUCT RECEIVED Upon receiving the unit, inspect it for damage from shipment. Claims for damage, either shipping or concealed, should be filed immediately with the shipping company. Check the unit model number, specifications, electrical characteristics and accessories to determine if they are correct. In the event an incorrect unit is shipped, it must be returned to the supplier and must NOT be installed. The manufacturer assumes no responsibility for instal- lation of incorrectly shipped units. REPLACEMENT PARTS ORDERING PARTS When reporting shortages or damages, or ordering repair parts, give the complete unit model and serial numbers as stamped on the unit's nameplate. Replacement parts for this appliance are available through your contractor or local distributor. For the location of your nearest distributor, consult the white business pages, the yellow page sec- tion of the local telephone book or contact: HOMEOWNER SUPPORT GOODMAN MANUFACTURING COMPANY, L.P. 19001 KERMIER ROAD WALLER, TEXAS 77484 (877) 254-4729 IMPORTANT SAFETY INSTRUCTIONS RECOGNIZE SAFETY SYMBOLS, WORDS, AND LABELS The following symbols and labels are used throughout this manual to indicate immediate or potential hazards. It is the owner's re- sponsibility to read and comply with all safety information and instructions accompanying these symbols. Failure to heed safety information increases the risk of property damage, product dam- age, personal injury or death. AWARNING HIGH VOLTAGE! DISCONNECT ALL POWER BEFORE SERVICING. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH. A WARNING ONLY PERSONNEL THAT HAVE BEEN TRAINED TO INSTALL, ADJUST, SERVICE OR REPAIR (HEREINAFTER, "SERVICE") THE EQUIPMENT SPECIFIED IN THIS MANUAL SHOULD SERVICE THE EQUIPMENT. THE MANUFACTURER WILL NOT BE RESPONSIBLE FOR ANY INJURY OR PROPERTY DAMAGE ARISING FROM IMPROPER SERVICE OR SERVICE PROCEDURES. IF YOU SERVICE THIS UNIT, YOU ASSUME RESPONSIBILITY FOR ANY INJURY OR PROPERTY DAMAGE WHICH MAY RESULT. IN ADDITION, IN JURISDICTIONS THAT REQUIRE ONE OR MORE LICENSES TO SERVICE THE EQUIPMENT SPECIFIED IN THIS MANUAL, ONLY LICENSED PERSONNEL SHOULD SERVICE THE EQUIPMENT. IMPROPER INSTALLATION, ADJUSTMENT, SERVICING OR REPAIR OF THE EQUIPMENT SPECIFIED IN THIS MANUAL, OR ATTEMPTING TO INSTALL, ADJUST, SERVICE OR REPAIR THE EQUIPMENT SPECIFIED IN THIS MANUAL WITHOUT PROPER TRAINING MAY RESULT IN PRODUCT DAMAGE, PROPERTY DAMAGE, PERSONAL INJURY OR DEATH. ,- PELIGR CARBON MONOXIDE POISONING HAZARD Special Warning for Installation of Furnace or Air Handling Units in Enclosed Areas such as Garages, Utility Rooms or Parking Areas Carbon monoxide producing devices (such as an automobile, space heater, gas water heater, etc.) should not be operated in enclosed areas such as unventilated garages, utility rooms or parking areas because of the danger of carbon monoxide (CO) poisoning resulting from the exhaust emissions. If a furnace or air handler is installed in an enclosed area such as a garage, utility room or parking area and a carbon monoxide producing device is operated therein, there must be adequate, direct outside ventilation. This ventilation is necessary to avoid the danger of CO poisoning which can occur if a carbon monoxide producing device continues to operate in the enclosed area. Carbon monoxide emissions can be (re)circulated throughout the structure if the furnace or air handler is operating in any mode. CO can cause serious illness including permanent brain damage or death. B10259-216 RIESGO DE INTOXICACION POR MONOXIDO DE CARBONO Advertencia especial Para la instalaci6n de calentadores 6 manejadoras de aire en areas cerradas como estacionamientos 6 cuartos de servicio. Los equipos 6 aparatos que producen mon6xido de carbono (tal como autom6vil, calentaclor de gas, calentaclor de agua por medio de gas, etc) no deben ser operados en areas cerradas debido al riesgo de envenenamiento por mon6xldo de carbono (CO) que resulta de las emisiones de gases de combusti6n. Si el equipo 6 aparato se opera en dichas Areas, debe existir una adecuada ventilaci6n directa al exterior. Esta ventilaci6n es necesaria para evitar el peligro de envenenamiento por CO, que puede ocurrir A un dispositivo que produce mon6xido de carbono sigue operando en el lugar cerrado. Las emisiones de mon6xido de carbono pueden circular a traves del aparato cuando se opera en cualquier modo. El mon6xido de carbono puede causar enfermedades severas como dano cerebral permanente 6 muerte. B10259-216 RISQUE D'EMPOISONNEMENT AU MONOXYDE DE CARBONE Avertissement special au sujet de ('installation d'appareils de chauffage ou de traitement d'air clans des endroits clos, tets les garages, les locaux d'entretien et les stationnements. Evitez de mettre en marche les appareils produisant du monoxyde de carbone (tels que les automobile, les appareils de chauffage autonome,etc.) clans des endroits non ventiles tels que les d'empoison nement au monoxyde de carbone. Si vous devez faire fonctionner ces appareils clans un endroit clos, assures-vous qu'il y ait une ventilation directe provenant de 1'exterier. Cette ventilation est necessaire pour eviter le danger d'intoxication au CO pouvant survenir si un appareil produisant du monoxyde de carbone continue de fonctionner au sein de la zone confinee. Les emissions de monoxyde de carbone peuvent etre recircules dans les endroits clos, si Pappareil de chauffage ou de traitement d'air sont en marche. Le monoxyde de carbone peut causer des maladies graves telles que des dommages permanents au cerveau et meme la mort. B10259-216 GENERAL INFORMATION The MBVC Blower Cabinets are used in combination with a cased evaporator coil. This combination of blower and coil functions as the indoor part of a split air-conditioning system, and may be matched with a remote condensing or heat pump unit. The blower cabinet can also function as an electric furnace when used with an electric heater. NOTE: The electric heating elements for electric furnace installation are not shipped with the cabinet and are field -installed. Systems should be properly sized by heat gain and loss calcula- tions made according to methods of the Air Conditioning Contrac- tors Association (ACCA) or equivalent. It is the contractor's re- sponsibility to ensure the system has adequate capacity to heat or cool the conditioned space. FEATURES This modular blower is a part of the ComfortNet'"^ family of prod- ucts. It may be installed as part of a "legacy" system using a stan- dard 24 VAC thermostat or, with a ComfortNetTM thermostat kit, as part of a digitally communicating system. The ComfortNet'" system simplifies wiring, provides enhanced setup features and elevates diagnostics capabilities. ACHIEVING LESS AIR LEAKAGE: Ensure all the gaskets remain intact on surfaces as shipped with the unit. Ensure upon installation that the plastic breaker cover is flush on with the access panel and access panel is flush with the cabinet. With these requirements satisfied, the unit achieves less airflow leakage when tested in accordance with ASHRE Standard 193. • Cabinet air leakage less than 2.0% at 1.0 inch H2O when tested in accordance with ASHRAE standard 193. • Cabinet air leakage less than 1.4% at 0.5 inch H2O when tested in accordance with ASHRAE standard 193. CLEARANCES AND ACCESSIBILITY The unit can be positioned for upflow, counterflow, horizontal right or horizontal left operation. Zero clearance is allowed on all sides for combustible materials. Thirty-six inches should be allotted on the door side for maintenance and service. To reduce risk of rusting, do not install the unit directly on the ground or on a floor that is likely to be wet. In such environments, the unit must be elevated by use of a sturdy, nonporous material. INSULATION To ensure efficient operation, review the following precautions • If the unit is located in an area with high ambient temperature and/or high humidity, the air handler may be subject to nuisance sweating of the casing. On these installations, a wrap of 2" fiberglass insulation with a vapor barrier is recommended. • The factory recommends insulating the duct running through any unconditioned spaces. To reduce operating sound and vibration transmission use flexible canvas duct connections at the cabinet. TOP CABINET BOTTOM CABINET Figure 1 - Coil and Blower Connection INSTALLATION INSTRUCTIONS BLOWER WITH CASED EVAPORATOR COIL INSTALLATION Secure the coil and blower together with the two connector plates and screws supplied in the blower bag assembly. Use one connec- tor plate and six screws on each side of the unit. If accessory electric heat is to be added, install now per the in- structions shipped with the heater kit. Figure 2 - Upflow Application UPFLOW INSTALLATION For upflow installations, the blower cabinet must sit on top of the coil cabinet (Figure 2). NOTE: All panels should be in place before installing the cabinet. 1. Place the blower and coil cabinet assembly upright on the return duct or duct opening. Ensure that there is ample support for the cabinet assembly and all attached ductwork. 2. Connect refrigerant and condensate drain connections per the evaporator coil installation instructions. Ensure refrigerant and drain lines do not interfere with service access to the unit. 3. Attach supply ductwork. Seal connections between unit and ductwork as required to reduce/eliminate air leakage. 4. Make electrical connections as specified in Electrical Connections section of this manual. COLINTERFLOW INSTALLATION For counterflow installations, the evaporator coil cabinet must sit on top of the blower cabinet (Figure 3). NOTE: All panels should be in place when installing the unit. NOTE: Supply ductwork for counterflow applications, must be Class I. However, if combustible ductwork is used, sheet metal protection is required. 1 2 3 4 Figure 3 - Counterflow Application Place the blower and coil cabinet assembly supply outlet on the supply duct or duct opening. Ensure there is ample support for the unit and all attached ductwork. Connect refrigerant and condensate drain connections per the evaporator coil installation instructions. Ensure refrigerant and drain lines do not interfere with service access to the unit. Attach return ductwork. Seal connections between unit and ductwork as required to reduce/eliminate air leakage. Make electrical connections as specified in Electrical Connections section of this manual. HORIZONTAL INSTALLATION For horizontal installations, the coil cabinet must be upstream of the blower cabinet (Figures 4 and 5). NOTE: All panels should be in place when installing the unit. 1. Set the unit near its final installation place. The unit must be supported along the entire length of the unit. Rubber isola- tion pads may be used to reduce sound and vibration trans- mission. Ensure there is ample support for the unit and all attached ductwork. NOTE: Unit must be mounted with access panel facing the front as shown in following diagrams. 2. If installed above a finished ceiling or living space, be sure to put a secondary drain pan under the entire unit, and pipe the drain separately from the main condensate drain. Blower Cabinet Access Panel Figure 4 - Attic Installation 4. Attach return and supply ductwork. Seal connections. 5. Make electrical connections as specified in Electrical Connections section of this manual. SS d Figure 5 - Hanging Installation COUNTERFLOW AND HORIZONTAL APPLICATIONS Loosen motor mount and rotate motor (See Figure 6). Be sure motor is oriented with the female connections on the casing point- ing down. If the motor is not oriented with the connections point- ing down, water could collect in the motor and cause premature failure. NOTE: After rotating motor, tighten motor mount to secure motor. Be sure that the gap between the motor and the insulation is the same as it was before loosening the motor mount. This will ensure that the blower wheel is properly spaced inside the blower housing. FRONT VIEW SIDE VIEW FFnno 3. Connect refrigerant and condensate drain connections per Figure 6 - MBVC Motor Orientation the coil section installation instructions. Ensure refrigerant and drain lines do not interfere with service access to the unit. 4 ELECTRICAL CONNECTIONS Consult the local power company and local codes before install- ing this unit. All wiring must be in accordance with the National Electrical Code as well as all local codes. Knockouts have been provided on side and top of the cabinet for the installation of the electrical conduit. If the knockouts on the cabinet sides are used for electrical conduit, an adapter ring must be used in order to meet UL1995 safety requirements. Use Minimum Circuit Ampac- ity and type of wire to determine proper wire size. The unit MUST be properly grounded. A ground lug is provided in the unit. Check all factory connections before connecting electrical power to unitto ensure none were loosened or disconnected during ship- ping and handling. 208/230 VOLT LINE CONNECTIONS If heater kits will not be installed, remove the proper size knock- out for the electrical conduit connection. Connect electrical con- duit to the unit using two washers to make an approved connec- tion. If the high voltage knockout is removed, please use the pro- vided foam tape to seal the opening with the conduit. The power supply wires must be connected to the red and black power wiring. Two wire nuts are provided in the bag assembly for this connection. Wrap the wire nuts with electrical tape. (In- sulated crimp type connectors, field supplied, may be substituted for the wire nuts and electrical tape provided proper size connec- tors are used.) A ground wire MUST be connected to the ground lug inside the unit. LOW VOLTAGE WIRING A 24V-control voltage connects the air handler to the room ther- mostat and condenser and must use low voltage wiring with cop- per conductors. A minimum 18 AWG wire must be used for in- stallations up to 150 feet. Low voltage wiring must be connected through the top of the cabinet or either side. See the "Thermo- stat Wiring" section of this manual for typical low voltage wiring connections. If the low voltage opening is being used, please re- place the pre -installed cap with the bushing provided in the lit- erature kit. AWARNING HIGH VOLTAGE! TO PREVENT PERSONAL INJURY OR DEATH DUE TO ELECTRICAL SHOCK, DISCONNECT THE ELECTRICAL POWER BEFORE ELECTRICALLY CONNECTING THE UNIT. A WARNING TO AVOID THE RISK OF FIRE OR EQUIPMENT DAMAGE, USE COPPER CONDUCTORS. A CAUTION TO AVOID THE RISK OF PERSONAL INJURY, WIRING TO THE UNIT MUST BE PROPERLY POLARIZED AND GROUNDED. A WARNING ALL WIRING MUST COMPLY WITH APPLICABLE LOCAL AND NATIONAL CODES. TYPE AND LOCATION OF FUSED DISCONNECT SWITCH(ES) MUST COMPLY WITH ALL APPLICABLE CODES AND PROVIDE OVERCURRENT PROTECTION AS SHOWN ON THE NAMEPLATE. OPERATION ON 208 VOLT SUPPLY The unit transformer is factory connected for 230 V operation. If unit is to operate on 208 V, disconnect the red wire from terminal 3 of the unit transformer and connect them to terminal 2 of the unit transformer. 24 VOLT "LEGACY" THERMOSTAT WIRING NOTE: Wire routing must not interfere with the circulator blower operation or routine maintenance. The optional usage of a dehumidistat allows the modular blower's circulator blower to operate at a slightly lower speed during a com- bined thermostat call for cooling and dehumidistat call for dehu- midification. This lower blower speed enhances dehumidification of the conditioned air as it passes through the AC coil. For proper function, a dehumidistat applied to this modular blower must op- erate on 24 VAC and utilize a switch which opens on humidity rise. To install/connect a dehumidistat: 1. Turn OFF power to modular blower 2. Secure the dehumidistat neutral wire (typically the white lead) to the screw terminal marked "DEHUM" on the modular blower's integrated control module. 3. Secure the dehumidistat hot wire (typically the black lead) to the screw terminal marked "R" on the modular blower's integrated control module. 4. Secure the dehumidistat ground wire (typically the green lead) to the ground screw on the modular blower. NOTE: Ground wire may not be present on all dehumidistats. 5. Turn ON power to modular blower. To enable the dehumidification function, move the dehumidifica- tion dipswitch S7 from OFF to ON. To enable the dehumidification function, move the dehumidifica- tion dipswitch S7 from OFF to ON. S5 S6 S7 S8 Move to the ON ON position OFF to enable dehumidification Figure 7 - DipSwitches AUXILIARY ALARM SWITCH The control is equipped with two AuxiIiaryAlarm terminals labeled CAS which can be utilized with communicating mode setups (typi- cally used for condensate switch wiring but could be used with 1 compatible CO, sensors or fire alarms). Legacy mode use In a legacy system (Non -communicating), this feature is not op- erational. Any auxiliary alarm switch must be used to interrupt the Y1 signal either to the indoor or outdoor unit. Communication mode use This feature can be activated or deactivated through the thermo- stat user menus. An auxiliary alarm switch must be normally closed and open when the base pan's water level in the evaporator coil reaches a particular level. The control will respond by turning off the outdoor compressor and display the proper fault codes. If the switch is detected closed for 30 seconds, normal operation re- sumes and the error message will be removed. K vJ Remote Condensing Unit (Single -Stage HP) Typical Single -Stage Cool, Single -Stage Heat Heat Pump Thermostat Air Handler Integrated Control Module NEU �Dehumidistat i [Optional] Figure 10 - Typical Single -Stage Heat Pump with Auxiliary/Emergency Heating Typical Two -Stage Cool, G WE Y1 Yz O Two -Stage Heat Heat Pump Thermostat Air Handler Integrated Control Module Typical Single -Stage Cool, I ®© 0Y1 Y2 OO I O`� Place Jumper Between Y1 NEU Dehumidistat Single -Stage Heat Thermostat and O for Proper i Dehumidification Operation Remote Condensing Unit ��` HOT [Optional] and Proper Ramping (Two -Stage HP) QQQ W1 Y1 ! Q Profile Operation -t Y � ,n Remote Condensing Unit `, H (Single -Stage AC) %_ Air Handler Integrated Control Module Dehumidistat _i [Optional] Figure 8 - Typical Single -Stage Cooling with Single -Stage Heating Typical Two -Stage Cool, Place Jumper Between Y1 Two -Stage Heat Thermostat and O for Proper Dehumidification Operation R C G W1 W2 Y1 Y2 and Proper Ramping Profile Operation R C G W1 W2 Y1 Y2 O p Air Handler Integrated Control Module R C Y1 Y2 NEU Remote Condensing Unit HOT '1 Dehumidistat (Two -Stage AC) %_ i [Optional] Figure 9 - Typical Two -Stage Cooling with Two Stage Heating Figure 11 - Typical Two -Stage Heat Pump Heating and Auxiliary/Emergency Heating CIRCULATOR BLOWER SWITCH CAS Figure 12 - Auxiliary Alarm Switch This modular blower is equipped with a variable speed circulator blower. This blower provides ease in adjusting blower speeds. The Specification Sheet applicable to your model provides an air- flow table, showing the relationship between airflow (CFM) and external static pressure (E.S.P.), for the proper selection of heat- ing and cooling speeds. The heating blower speed is shipped set at "21 W', and the cooling blower speed is set at "D". These blower speeds should be adjusted by the installer to match the installation requirements so as to provide the correct electric heat- ing CFM and correct cooling CFM. Use the CFM LED (green) to obtain an approximate airflow quan- tity. The green CFM LED blinks once for each 100 CFM of airflow. 1. Determine the tonnage of the cooling system installed with the modular blower. If the cooling capacity is in BTU/hr divide it by 12,000 to convert capacity to TONS. Example: Cooling Capacity of 30,000 BTU/hr. 30,000/12,000 = 2.5 Tons 2. Determine the proper airflow for the cooling system. Most cooling systems are designed to work with air flows between 350 and 450 CFM per ton. Most manufacturers recommend an air flow of about 400 CFM per ton. Example: 2.5 tons X 400 CFM per ton = 1000 CFM Tap A Tap B Tap C Tap D* OFF ON 1 K 2 OFF ON 1 E 2 OFF ON 1 KJ 2 OFF ON 1 0 2 0 Cooling Air flow Speed Tap (*indicates factory setting) +5%* -5% +10% -10% OFF ON OFF ON OFF ON OFF ON a a a a 3 3 3 3 O 4 4 4 4 - Air flow Adjust Taps (*indicates factory setting) 25% 50%* 75% 100% OFF ON 12 13 OFF ON 12 13 il OFF ON 12 13 OFF ON 12 13 Fan Only Selection (*indicates factory setting) Figure 13 - Airflow and Fan Selection The cooling system manufacturer's instructions must be checked for required air flow. Any electronic air cleaners or other devices may require a specific airflow; consult installation instructions of those devices for requirements. The ramping profiles are selected using DIP switches 5 and 6. Refer to Figure 14 for switch positions and their corresponding taps. Refer to the bullet points below for a description of each ramping profile. Verify profile selection by counting the green CFM LED blinks and timing each step of the ramping profile. Tap A Tap B Tap C Tap D* OFF ON 5 6 O OFF ON 5 6 OFF ON 5 0 6 O OFF ON 5 6 Cooling Air flow Ramping Profiles (*indicates factory setting) Figure 14 - Switch Positions and Taps • Profile A provides only an OFF delay of one (1) minute at 100% of the cooling demand airflow. 100% CFM 100% CFM OFF OFF Cooling Demand —1 min Figure 15 - Profile A 3. Knowing the modular blower model, locate the high stage cooling air flow charts in the Specification Sheet applicable Profile B ramps up to full cooling demand airflow by first to your model. Look up the cooling air flow determined in stepping up to 50% of the full demand for 30 seconds. step 2 and find the required cooling speed and adjustment The motor then ramps to 100% of the required airflow. A setting. one (1) minute OFF delay at 100% of the cooling Example: A MBVC1200 modular blower installed with a 2.5 ton air conditioning system. The airflow needed is 1000 CFM. Looking at the cooling speed chart for MBVC1200, find the air flow closest to 1000 CFM. A cooling airflow of 1000 CFM can be attained by setting the cooling speed to "C" and the adjustment to "Normal" (no adjustment). 4. Locate the blower speed selection DIP switches on the integrated control module. Select the desired "cooling" speed tap by positioning switches 1 and 2 appropriately. If airflow adjustment is required, set dip switch S8 (trim enable) to ON (trim enable default is off). Then select the desired "adjust" tap by positioning switches S3 and S4 appropriately. Refer to the following figure for switch positions and their corresponding taps. Verify CFM by counting the number of times the green CFM LED blinks. 5. Continuous fan speeds that provide 25, 50, 75, and 100% of the furnace's maximum airflow capability are selectable via dip switches S12 and S13. If the furnace's maximum airflow capability is 2000 CFM and 25% continuous fan spped is selected, the continuous fan speed will be 0.25 x 2000 CFM = 500 CFM. 6. The multi -speed circulator blower also offers several custom ON/OFF ramping profiles. These profiles may be used to enhance cooling performance and increase comfort level. 100% CFM r 100% CFM —50% CFM— OFF OFF —112 mint' 1 min Cooling Demand Figure 16- Profile B • Profile C ramps up to 82% of the full cooling demand airflow and operates there for approximately 7 1/2 minutes. The motor then steps up to the full demand airflow. Profile C also has a one (1) minute 100% OFF delay. OFF 82% CFM 100%CFM 100% CFM OFF 7 1/2 min 1 min Cooling Demand Figure 17 - Profile C • Profile D ramps up to 50% of the demand for 1/2 minute, then ramps to 82% of the full cooling demand airflow and operates there for approximately 7 1/2 minutes. The motor then steps up to the full demand airflow. Profile D has a 1/ 2 minute at 50% airflow OFF delay. OFF 50% CFM 82% CFM rl00%CFM-50% CFM OFF 1/2 m in n7 1/2 min —1/2 min y Cooling Demand Figure 18 - Profile D 7. If an electric heater kit has been installed, determine the heater kilowatt (kW) rating. Find the heater size in the table below. Set dipswitches 9, 10, and 11 for the installed heater as shown in the table below. The adjust setting (already established by the cooling speed selection) also applies to the electric heater kit airflow. Thus, the electric heater airflow is adjusted by the same amount. Verify selected CFM by counting the green CFM LED blinks. If an electric heater kit has not been installed, set dip switches 9, 10, and 11 to any valid heater kit setting (see airflow table for valid settings). This will prevent an Ec Error code from being displayed. Speed Selection Dip Switches Htr Kw S9 S10 S11 MBVC1200* MBVC1600" MBVC2000* Figure 18 - Profile D 3 ON ON ON 600 800 800 Cool Adjust Profile Continuous 5 ON ON OFF 600 800 800 Selection Selection Selection Fan Switches Switches Switches Speed 6 ON OFF ON 635 800 800 TAP S1 S2 S3 S4 S5 S6 S12 S13 8 ON OFF OFF 740 1000 1000 A OFF OFF OFF OFF OFF OFF OFF OFF 10 OFF ON ON 1000 1000 1200 B ON OFF ON OFF ON OFF ON OFF 15 OFF ON OFF 1400 1500 1500 C OFF ON OFF ON OFF ON OFF ON 20 OFF OFF ON NR NR 2000 D j ON ON ON ON ON ON ON i ON Model Tap Low Stage Cool High Stage Cool Profiles Pre -Run Short -Run OFF Delay A ------- -------- 60 sec/100% B ------- 30 sec/50% 60 sec/100% A 400 600 C ------- 7.5 min/82% 60 sec/100% MBVC1200* B C 540 670 800 1000 D 30 sec/50% 7.5 min/82% 30 sec/50% D 800 1200 To Set Airflow_ (1) Select model and desired High Stage Cooling Airflow_ Determine the corresponding tap (A,B,C,D). Set dip switches S1 and S2 to the appropriate ON / OFF positions. (2) Select model and installed electric A 670 1000 heater size_ Set dip switches S9, S10, and S11 to the appropriate ON / OFF positions. (3) If airflow adjustment is required set Trim Enable Switch S8 to ON (OFF = 0 % Trim) and set S3 and S4 to appropriate ON / OFF positions_ MBVC1600* B c 800 940 1200 1400 Tap A is +5%, Tap B is -5%, Tap C is +10%, Tap D is -10%_ To Set Comfort Mode: Select desired Comfort Mode Profile (see profiles D 1070 1600 above)_ Set dip switches S5 and S6 to appropriate ON / OFF positions_ MBVC2000* A B C 800 1 070 1200 1200 1600 1800 Dehumidification To enable, set dip switch S7 to ON Cooling airflow will be reduced to 85 % of nominal value during cool call when Dehum command is present. To disable, set S7 to OFF. Continuous Fan Speed_ Use dip switches S12 and S13 to select one of 4 continuous fan speeds, Tap A is 25%. Tap B is 50 %, Tap C is 75 %, Tap D is 100%. D 1340 2000 0140A00068-A 21 kW" 20 kW 15 kW 10 kW 8 kW 6 kW 5 kW 3 kW OFF ON 9 F 10 OFF ON 9O 10 O OFF ON 9O 10 OFF ON 9O 10 O OFF ON 9O 10 OFF ON 9 O 10 O OFF ON 9 O9O 10 OFF ON 10 1111 11 11 11 11 11 11 Electric Heating Air Flow (*indicates factory setting) Figure 19 - Dip Switches NOTE: Upon start up in communicating mode the circuit board may display an "Ec" error. This is an indication that the dip switches on the control board need to be configured in accordance with the Electric Heating Airflow Table on page 7 of this manual. Con- figuring the dip switches and resetting power to the unit will clear the error code. TROUBLESHOOTING FAULT RECALL ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS NOTE: Discharge body's static electricity before touching unit. An electrostatic discharge can adversely affect electrical components. Use the following precautions during modular blower installation and servicing to protect the integrated control module from dam- age. By putting the modular blower, the control, and the person at the same electrostatic potential, these steps will help avoid ex- posing the integrated control module to electrostatic discharge. This procedure is applicable to both installed and uninstalled (un- grounded) blowers. 1. Disconnect all power to the blower. Do not touch the integrated control module or any wire connected to the control prior to discharging your body's electrostatic charge to ground. 2. Firmly touch a clean, unpainted, metal surface of the modular blower near the control. Any tools held in a person's hand during grounding will be discharged. 3. Service integrated control module or connecting wiring following the discharge process in step 2. Use caution not to recharge your body with static electricity; (i.e., do not move or shuffle your feet, do not touch ungrounded objects, etc.). If you come in contact with an ungrounded object, repeat step 2 before touching control or wires. 4. Discharge your body to ground before removing a new control from its container. Follow steps 1 through 3 if installing the control on a blower. Return any old or new controls to their containers before touching any ungrounded object. DIAGNOSTIC CHART Refer to the Troubleshooting Chart at the end of this manual for assistance in determining the source of unit operational problems. The 7 segment LED display will provide any active fault codes. An arrow printed next to the display indicates proper orientation (ar- row points to top of display). See following image. A WARNING HIGH VOLTAGE! TO AVOID PERSONAL INJURY OR DEATH DUE TO ELECTRICAL SHOCK, DISCONNECT ELECTRICAL POWER BEFORE PERFORMING ANY SERVICE OR MAINTENANCE. 7 Segment Diagnostic Display Figure 20 - Diagnostic Display The integrated control module is equipped with a momentary push- button switch that can be used to display the last six faults on the 7 segment LED display. The control must be in Standby Mode (no thermostat inputs) to use the feature. Depress the push-button for approximately two seconds and less than five seconds. The LED display will then display the six most recent faults beginning with the most recent fault and decrementing to the least recent fault. The faults may be cleared by depressing the button for greater than five seconds. NOTE: Consecutively repeated faults are displayed a maximum of three times. COMFORTNET T M S ySTEM OVERVIEW The ComfortNetTM system (or CT TM system) is a system that includes a ComfortNetTM compatible modular blower and air conditioner or heat pump with a CTK04 thermostat. Any other system configura- tions are considered invalid ComfortNetTM systems and must be connected as a traditional (or legacy) system (see Electrical Con- nections - 24 Volt Thermostat Wiring for wiring connections). A ComfortNetTm heating/air conditioning system differs from a legacy/traditional system in the manner in which the indoor unit, outdoor unit and thermostat interact with one another. In a tradi- tional system, the thermostat sends commands to the indoor and outdoor units via analog 24 VAC signals. It is a one-way communi- cation path in that the indoor and outdoor units typically do not return information to the thermostat. In a ComfortNetTM system, the indoor unit, outdoor unit, and thermostat "communicate" digitally with one another creating a two-way communications path. The thermostat sends commands to the indoor and outdoor units, and also requests and receives information from both the indoor and outdoor units. Two-way digital communications is accomplished using only two wires. The thermostat and subsystem controls are powered with 24 VAC Thus, a maximum of 4 wires between the equipment and thermostat is all that is required to operate the system. AIRFLOW CONSIDERATION Airflow demands are managed differently in a fully communicat- ing system than they are in a legacy wired system. The system operating mode (as determined by the thermostat) determines which unit calculates the system airflow demand. If the indoor unit is responsible for determining the airflow demand, it calcu- lates the demand and sends it to the ECM motor. If the outdoor unit or thermostat is responsible for determining the demand, it calculates the demand and transmits the demand along with a fan request to the indoor unit. The indoor unit then sends the demand to the ECM motor. Figure 21 lists the various ComfortNetT" systems, the operating mode, and airflow demand source. 10 CONTROL WIRING System _FM System Operating ode Airflow Demand Source Cooling Air Conditioner Air Conditioner+ Air Handler Heating Air Handler Continuous Fan Thermostat Cooling Heat Pump Heat Pump Heating Only Heat Pump HP + Electric Heat > of Heat Pump or Air Heat Pump+ Air Handler Strips Handler Demand Electric Heat Strips Only Air Handler Continuous Fan Thermostat Figure 21 - Airflow Demands For example, assume the system is a heat pump matched with an air handler. With a call for low stage cooling, the heat pump will calculate the system's low stage cooling airflow demand. The heat pump will then send a fan request along with the low stage cool- ing airflow demand to the air handler. Once received, the air han- dler will send the low stage cooling airflow demand to the ECM motor. The ECM motor then delivers the low stage cooling air- flow. See the applicable ComfortNetT"^ air conditioner or heat pump installation manual for the airflow delivered during cooling or heat pump heating. In continuous fan mode, the CTKO* thermostat provides the air- flow demand. The thermostat may be configured for a low, me- dium, or high continuous fan speed. The low, medium, and high fan speeds correspond to 25%, 50%, and 75%, respectively, of the air handlers' maximum airflow capability. During continuous fan operation, the thermostat sends a fan request along with the con- tinuous fan demand to the air handler. The air handler, in turn, sends the demand to the ECM motor. The ECM motor delivers the requested continuous fan airflow. medium, or high continuous fan speed. The low, medium, and high fan speeds correspond to 25%, 50%, and 75%, respectively, of the air handlers' maximum airflow capability. During continu- ous fan operation, the thermostat sends a fan request along with the continuous fan demand to the air handler. The air handler, in turn, sends the demand to the ECM motor. The ECM motor deliv- ers the requested continuous fan airflow. NOTE: Refer to section Electrical Connections for 208/230 volt line connections to the modular blower. NOTE: A removable plug connector is provided with the control to make thermostat wire connections. This plug may be removed, wire connections made to the plug, and replaced. It is STRONGLY recommended that you do no connect multiple wires into a single terminal. Wire nuts are recommended to ensure one wire is used for each terminal. Typical 18 AWG thermostat wire may be used to wire the system components. 150 feet is the maximum recommended length of wire recommended between indoor and outdoor unit, or between indoor unit and thermostat. Only data lines 1 and 2 are required between the indoor and out- door units. The included 40VA, 2081230 VAC to 24 VAC transformer must be installed in the outdoor unit to provide 24 VAC power to the outdoor unit's electronic control. See kit instructions for mount- ing and wiring instructions. INDOOR OUTDOOR BOARD TERMINAL BOARD TERMINAL CTK04 CONNECTIONS CONNECTIONS Figure 22 - System Wiring COMFORTNETTM SYSTEM ADVANCED FEATURES The ComfortNetT" system permits access to additional system in- formation, advanced setup features, and advanced diagnostic/ troubleshooting features. These advanced features are organized into a menu structure. See the following MODULAR BLOWER AD- VANCED FEATURES MENUS section for layout of menu shortcuts. 11 MODULAR BLOWER ADVANCED FEATURES MENU DIAGNOSTICS Submenu Item Indication/User Modifiable Options Comments Fault 1 (FAULT #1) Most recent fault For display only Fault 2 (FAULT #2) Next most recent fault For display only Fault 3 (FAULT #3) Next most recent fault For display only Fault 4 (FAULT #4) Next most recent fault For display only Fault 5 (FAULT #5) Next most recent fault For display only Fault 6 (FAULT #6) Least recent fault For display only Clear Fault History (CLEAR) NO or YES Selecting "YES" clears the fault history NOTE: Consecutively repeated faults are shown a maximum of 3 times IDENTIFICATION Submenu Item Indication (for Display Only; not User Modifiable) Model Number (MOD NUM) Displays the modular blower model number Serial Number (SER NUM Displays the modular blower serial number (Optional) Software (SOFTWARE) Displays the application software revision SET-UP Submenu Item User Modifiable Options Comments Heat Airflow Trim (HT TRM) -10% to +10% in 2% increments, default is 0% Trims the heating airflow by the selected amount. Auxiliary Alarm ON/OFF Enable or disable Auxiliary Alarm input STATUS Submenu Item Indication for Display Only; not User Modifiable Mode (MODE) Displays the current modular blower operating mode CFM (CFM) Displays the airflow for the current operating mode 12 DIAGNOSTICS Accessing the modular blower's diagnostics menu provides ready access to the last six faults detected by the modular blower. Faults are stored most recent to least recent. Any consecutively repeated fault is stored a maximum of three times. Example: A clogged return air filter causes the modular blower's motor to repeatedly enter a limiting condition. The control will only store this fault the first three consecutive times the fault occurs. NOTE: It is highly recommended that the fault history be cleared when performing maintenance or servicing the modular blower. These tools are: red communications LED, green receive (Rx) LED, and LEARN button. • Red communications LED — Indicates the status of the network. The table below indicates the LED status and the corresponding potential problem. • Green receive LED — Indicates network traffic. The table below indicates the LED status and the corresponding potential problem. • Learn button — Used to reset the network. Depress the button for approximately 2 seconds to reset the network. SYSTEM TROUBLESHOOTING NETWORK TROUBLESHOOTING NOTE: Refer to the instructions accompanying the CT'"° compatible The ComfortNetT" system is a fully communicating system, and outdoor AC/HP unit for troubleshooting information. thus, constitutes a network. Occasionally the need to trouble- shoot the network may arise. The integrated control has some Refer to the Troubleshooting Chart in the Appendix for a listing of on -board tools that may be used to troubleshoot the network. possible modular blower error codes, possible causes and correc tive actions. Communciations Status LED's LED LED Status Indication Possible Causes Corrective Action(s) Notes & Cautions Off • Normal condition • None • None • None 1 Flash • Communications • Communications Failure • Depress Learn Button • Depress once quickly Failure • Verify that bus BIAS for a power -up reset Red and TERM dipswitches • Depress and hold for 2 Communications are in the ON position. seconds for an out -of - LED box reset 2 Flashes • Out -of -box reset • Control power up • None • None • Learn button depressed Off • No power • No power to modular • Check fuses and circuit • Turn power OFF prior • Communications error blower breakers; replace/reset to repair. • Open fuse • Replace blown fuse • See Network • Communications error • Check for shorts in low Troubleshooting voltage wiring in section. modular blower/system • Reset network by depressing learn button • Check data 1/ data 2 voltages 1 Steady • No network found • Broken/ disconnected • Check communications • Turn power OFF prior Flash data wire(s) wiring (data 1 / data 2 to repair • Modular blower is wires) • Verify wires at installed as a legacy/ • Check wire connections terminal blocks are traditional system at terminal block securely twisted • Verify modular blower together prior to Green Receive installation type inserting into terminal LED (legacy/ traditional or block communicating) • See Network • Check data 1/ data 2 Troubleshooting voltages section Rapid • Normal network • Control is "talking" on • None • None Flashing traffic network as expected On Solid • Data 1/ Data 2 miss- • Data 1 and data 2 wires • Check communications • Turn power OFF prior wire reversed at modular wiring (data 1/ data 2 to repair blower, thermostat, or wires) • Verify wires at CTTM compatible • Check wire connections terminal blocks are outdoor AC/HP at terminal block securely twisted • Short between data 1 • Check data 1/ data 2 together prior to and data 2 wires voltages inserting into terminal • Short between data I or block data 2 wires and R See Network (24VAC) or C (24VAC Troubleshooting common) section 13 Symptoms of Abnormal Operation 7-Segment LED Fault Description ComfortNetTM Thermostat Only Possible Causes Corrective Actions Notes & Cautions (Legacy & ComfortNetTm Thermostat) Codes Message Code • LED display is ON continuous) ON • Normal operation None None • Normal operation • None • Normal operation • Electric heaters fail to energize on a EC • Heater kit selected via HTR TOO EC • Heater kit selected via • Verify electric heat dipswitch • Turn power OFF prior to call for W1 or Auxiliary/Emergency dipswitches is too LARGE dipswitches is too large for settings repair. heat large for heater kits heater kits in shared data set • Verify the installed electric • Use memory card for • Integrated control module LED display specified in shared heater is valid for the modular the specific model. provides the indicated error code. data set blower. Check nameplate or • Insert memory card • ComfortNetT' thermostat "Call for Specification Sheet applicable BEFORE turning power Service" icon illuminated to your model* for allowable ON. Memory card may • ComfortNetT thermostat scrolls heater kit(s). be removed after data is "Check Air Handler" message Verify shared data set is loaded. correct for the specific model. • Turn power off before Re -populate data using removing memory card. correct memory card if required. • Electric heat airflow is higher than EC Heater kit selected via HTR TOO EC Heater kit selected via • Verify electric heat dipswitch • Turn power OFF prior to expected on a call for W1 or dipswitches is too SMALL dipswitches is too small for settings repair. Auxiliary/Emergency heat small for heater kits heater kits in shared data set • Verify the installed electric • Use memory card for • Integrated control module LED display specified in shared heater is valid for the modular the specific model. provides the indicated error code. data set blower. Check nameplate or • Insert memory card Specification Sheet applicable BEFORE turning power to your model* for allowable ON. Memory card may heater kit(s). be removed after data is • Verify shared data set is loaded. correct for the specific model. • Turn power off before Re -populate data using removing memory card. correct memory card if required. • Electric heat airflow is higher than EC Heater kit selected via NO HTR EC Heater kit selected via • Verify electric heat dipswitch • Turn power OFF prior to expected on a call for W1 or dipswitches does not MATCH dipswitches is doesn't match settings repair. Auxiliary/Emergency heat heater kits specified in heater kits in shared data set • Verify the installed electric • Use memory card for • Integrated control module LED display shared data set heater is valid for the modular the specific model. provides the indicated error code. blower. Check nameplate or • Insert memory card Specification Sheet applicable BEFORE turning power to your model* for allowable ON. Memory card may heater kit(s). be removed after data is • Verify shared data set is loaded. correct for the specific model. • Turn power off before Re -populate data using removing memory card. correct memory card if required. • Integrated control module LED display EF • Aux switch open Aux Alarm EF • High water level in the • Check overflow pan and • Turn power OFF prior to EF error code. Fault evaporation coil. service service. • ComfortNetT' thermostat "Call for Service". Symptoms of Abnormal Operation 7-Segment LED Fault Description ComfortNet'" Thermostat Only Possible Causes Corrective Actions Notes & Cautions (Legacy & ComfortNetTm Thermostat) Codes Message Code • Modular blower fails to operate No 208/230 volt power INTERNAL EE • Manual disconnect switch OFF • Assure 208/230 volt and 24 • Turn power OFF prior to • Integrated control module LED display to modular blower or FAULT or 24 volt wire improperly volt power to modular blower repair. provides no signal. no 24 volt power to connected or loose and integrated control • Replace integrated • ComfortNetTm thermostat "Call for integrated control • Blown fuse or circuit breaker module. control module fuse with Service" icon illuminated module • Integrated control module has • Check integrated control 3A automotive fuse. • ComfortNetTm thermostat scrolls Blown fuse or circuit an internal fault module fuse (3A). Replace if • Replace integrated "Check Air Handler' message breaker necessary. control module with • Integrated control • Check for possible shorts in correct replacement part module has an internal 208/230 volt and 24 volt • Read precautions in fault. circuits. Repair as necessary. "Electrostatic Discharge" • Replace bad integrated section of manual. control module. • Modular blower fails to operate. d0 Data not yet on NO NET d0 Modular blower does not • Populate shared data set • Turn power OFF prior to • Integrated control module LED display network. DATA contain any shared data. using memory card. repair provides indicated error code. • Use memory card for • ComfortNetTM thermostat "Call for the specific model. Service" icon illuminated. • Insert memory card • ComfortNetT thermostat scrolls BEFORE turning power "Check Air Handler' message. ON. Memory card may be removed after data is loaded. • Error code will be cleared once data is loaded. • Turn power off before removing memory card • Modular blower fails to operate. dl Invalid data on INVALID d1 Modular blower does not Populate correct shared data • Turn power OFF prior to • Integrated control module LED display network. DATA contain an appropriate shared set using memory card. repair provides indicated error code. data set. • Use memory card for • ComfortNetTM thermostat "Call for the specific model. Service" icon illuminated. • Insert memory card • ComfortNetTM thermostat scrolls BEFORE turning power "Check Air Handler' message. ON. Memory card may be removed after data is loaded. • Error code will be cleared once data is loaded. • Operation different than expected or no d4 Invalid memory card INVALID d4 Shared data set on memory Verify shared data set is • Turn power OFF prior to operation. data. MC DATA card has been rejected by correct for the specific model. repair • Integrated control module LED display integrated control module Re -populate data using • Use memory card for provides indicated error code. correct memory card if the specific model. • ComfortNetTM' thermostat "Call for required. • Insert memory card Service' icon illuminated. BEFORE turning power • ComfortNetTM' thermostat scrolls ON. Memory card may "Check Air Handler' message. be removed after data is loaded. • Error code will be cleared once data is loaded. • Turn power off before removing memory card Symptoms of Abnormal Operation 7-Segment LED Fault Description ComfortNetTM Thermostat Only Possible Causes Corrective Actions Notes & Cautions (Legacy & ComfortNetTM Thermostat) Codes Message Code • Modular blower fails to operate. b0 Circulator blower MOTOR b0 • Loose wiring connection at • Tighten or correct wiring • Turn power OFF prior to • Integrated control module LED display motor is not running NOT RUN circulator motor power leads connection. repair provides indicated error code. when it should be or circulator motor power • Check circulator blower • Replace circulator motor • ComfortNetTM thermostat "Call for running. leads disconnected. motor. Replace if necessary. with correct Service' icon illuminated. • Failed circulator blower motor. replacement part. • ComfortNetTM thermostat scrolls "Check Air Handler" message. • Modular blower fails to operate. bl • Integrated control MOTOR bf • Loose wiring connection at • Tighten or correct wiring • Turn power OFF prior to • Integrated control module LED display module has lost COMM circulator motor control leads. connection. repair provides indicated error code. communications with • Failed circulator blower motor. • Check circulator blower • Replace circulator motor • ComfortNetTM thermostat "Call for circulator blower • Failed integrated control motor. Replace if necessary. with correct Service" icon illuminated. motor. module. • Check integrated control replacement part. • ComfortNetTM thermostat scrolls module. Replace if • Replace integrated "Check Air Handler" message. necessary. control module with correct replacement art. • Modular blower fails to operate. b2 Circulator blower MOTOR b2 • Incorrect circulator blower Verify circulator blower motor • Turn power OFF prior to • Integrated control module LED display motor horse power in MISMATCH motor in modular blower. horse power is the same repair provides indicated error code. shared data set does • Incorrect shared data set in specified for the specific • Replace motor with • ComfortNetTM thermostat "Call for not match circulator integrated control module. modular blower model. correct replacement Service' icon illuminated. blower motor horse Replace is necessary. part. • ComfortNetTM thermostat scrolls power. Verify shared data set is • Use memory card for "Check Air Handler" message. correct for the specific model. the specific model Re -populate data using • Insert memory card correct memory card if BEFORE turning power required. ON. Memory card may be removed after data is loaded. • Error code will be cleared once shared data and motor horse power match. • Turn power off before removing memory card • Modular blower operates at reduced b3 Circulator blower MOTOR b3 • Blocked filters. Check filters for blockage. • Turn power OFF prior to performance. motor is operating in a LIMITS • Restrictive ductwork. Clean filters or remove repair. • Airnow delivered is less than expected. power, temperature, or • Undersized ductwork. obstruction. • Integrated control module LED display speed limiting • High ambient temperatures. • Check ductwork for blockage. provides b3 error code. condition. Remove obstruction. Verify all registers are fully open. • Verify ductwork is appropriately sized for system. Resize/replace ductwork if necessary. • See "Installation Instructions" for installation requirements. • Modular blower fails to operate. b4 • Circulator blower MOTOR b4 • Abnormal motor loading, • Check filters, filter • Turn power OFF prior to • Integrated control module LED display motor senses a loss TRIPS sudden change in speed or grills/registers, duct system, repair. provides indicated error code. rotor control. torque, sudden blockage of and modular blower/coil air • ComfortNetTM thermostat "Call for • Circulator blower modular blower/coil air inlet or inlet/outlet for blockages. Service" icon illuminated. motor senses high outlet. • ComfortNetTM thermostat scrolls current. High loading conditions, "Check Air Handler" message. blocked filters, very restrictive ductwork, blockage of modular blower/coil air inlet or outlet. Symptoms of Abnormal Operation 7-Segment LED Fault Description ComfortNetTM Thermostat Only Possible Causes Corrective Actions Notes & Cautions (Legacy & ComfortNetTm Thermostat) Codes Message Code • Modular blower fails to operate. b5 Circulator blower MTR b5 • Obstruction in circulator • Check circulator blower for • Turn power OFF prior to • Integrated control module LED display motor fails to start 10 LCKD blower housing. obstructions. Remove and repair provides indiacted error code. consecutive times. ROTOR • Seized circulator blower motor repair/replace wheel/motor if • Replace motor with • ComfortNetT thermostat "Call for bearings. necessary. correct replacement Service' icon illuminated. • Failed circulator blower motor. • Check circulator blower motor part. • ComfortNetT thermostat scrolls shaft rotation and motor. • Replace wheel with "Check Air Handler" message. Replace motor if necessary. correct replacement art. • Modular blower fails to operate. b6 Circulator blower MOTOR b6 • High AC line voltage to • Check power to modular • Turn power OFF prior to • Integrated control module LED display motor shuts down for VOLTS modular blower. blower. Verify line voltage to repair. provides indicated error code. over or under voltage • Low AC line voltage to blower is within the range • ComfortNetTM thermostat "Call for condition. modular blower. specified on the modular Service" icon illuminated. Circulator blower • High ambient temperatures. blower rating plate. • ComfortNet' thermostat scrolls motor shuts down due • See "Installation Instructions" "Check Air Handler' message. to over temperature for installation requirements. condition on power module. • Modular blower fails to operate. b7 Circulator blower MOTOR b7 • Error with integrated control • Check integrated control • Turn power OFF prior to • Integrated control module LED display motor does not have PARAMS module. module. Verify control is repair. provides indicated error code. enough information to • Motor has a locked rotor populated with correct shared • Replace with correct • ComfortNetT thermostat "Call for operate properly. condition. data set. See data errors replacement part(s). Service' icon illuminated. Motor fails to start 40 above for details. • Use memory card for • ComfortNetT thermostat scrolls consecutive times. • Check for locked rotor the specific model. "Check Air Handler" message. condition (see error code • Insert memory card above for details). BEFORE turning power ON. • Memory card may be removed after data is loaded • Turn power off before removing memory card. • Modular blower operates at reduced b9 Airnow is lower than LOW ID b9 • Blocked filters. • Check filters for blockage. • Turn power OFF prior to performance or operates on low stage demanded. AIRFLOW • Restrictive ductwork. Clean filters or remove repair. when high stage is expected. • Undersized ductwork. obstruction. • Integrated control module LED display • Check ductwork for blockage. provides indicated error code. Remove obstruction. Verify all registers are fully open. • Verify ductwork is appropriately sized for system. Resize/replace ductwork if necessary. TROUBLESHOOTING INFORMATION: AIR HANDLER DIAGNOSTIC CODES 7 SEGMENT LED (characters will alternate) DESCRIPTION OF CONDITION (no display) INTERNAL CONTROL FAULT / NO POWER On STANDBY WAITING FOR INPUTS Ec HEATER KIT TOO LARGE, TOO SMALL, OR NO MATCH E5 FUSE OPEN EF AUXILIARY SWITCH OPEN d0 DATA NOT ON NETWORK d1 INVALID DATA ON NETWORK d4 INVALID MEMORY CARD DATA b0 BLOWER MOTOR NOT RUNNING b1 BLOWER MOTOR COMMUNICATION ERROR b2 BLOWER MOTOR HP MISMATCH b3 BLOWER MOTOR OPERATING IN POWER, TEMP., OR SPEED LIMIT b4 BLOWER MOTOR CURRENT TRIP OR LOST ROTOR b5 BLOWER MOTOR ROTOR LOCKED b6 OVER/UNDER VOLTAGE TRIP OR OVER TEMPERATURE TRIP b7 INCOMPLETE PARAMETER SENT TO MOTOR b9 LOW INDOOR AIRFLOW C1 LOW STAGE COOL - LEGACY MODE ONLY C2 HIGH STAGE COOL - LEGACY MODE ONLY P1 LOW STAGE HEAT PUMP HEAT - LEGACY MODE ONLY P2 HIGH STAGE HEAT PUMP HEAT - LEGACY MODE ONLY h1 EMERGENCY HEAT LOW - COMMUNICATING MODE ONLY h2 EMERGENCY HEAT HIGH - COMMUNICATING MODE ONLY FC FAN COOL - COMMUNICATING MODE ONLY FH FAN HEAT - COMMUNICATING MODE ONLY F FAN ONLY H1 ELECTRIC HEAT LOW H2 ELECTRIC HEAT HIGH CIF DEFROST- COMMUNICATING MODE ONLY (Note: defrost is displayed as H1 in a legacy setup) GREEN CFM LED - EACH FLASH REPRESENTS 100CFM (USE FOR AIRFLOW APPROXIMATION ONLY) - EXAMPLE: 8 FLASHES = 800CFM 0140A00070-A 18 WIRING DIAGRAM AHIGH VOLTAGE! DISCONNECTALL POWER BEFORE SERVICING. WARNING MULTIPLE POWER SOURCES MAYBE PRESENT. FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH. PL1 PL2 40VATRANS FORMER, SEEN OTE 1 2 RD RDC RD- 3 3 3 208 VAC 2 24 VAC 1 BK B COM —BE — e A BE BL, SEE NOTE 7 BK RD u L2 mm� r� GRINDI'I !GRND GIN L}I DISCONNECT I 3L 0000 TH TR J 4 CIRCUIT HEATER COM CONNECTOR ® ®LEARN 24 V 3 A FUSE SEE NOTE 5 FAULT SEE NOTE 6 0 RECALL CAS° SEE NOTE 6 STATUS ® SEE NOTE 8 LED 7SEGMENT ® ®DIAGNOSTIC DEHUM • 4a CFM LED DISPLAY O • N O O p w SEE NOTE& z c w RX LED® Y2 • ^ y m w Y1 • m ©O c5 o 3 ~ d zm Y ' N a x O W LL w Z Q W2 d ¢ w Y • N fn W1 of 0 w w o of = O G' BBBB BBBB BBB BB °' z m 3 OI St S2 53 S4 55 56 S] MS9 510 S11 S12 513 R • y O DIPSWITCHES 2 • TWOSTAGEINTEGRATED CONTROL MODULE 1 • _+ n) z m CIRCULATOR BLOWER H 3 0 z ECM MOTOR N HARNESS 1 2 3 GIN 47 4 GRIND NOTES: 1. PLACE RED WIRES ON TRANSFORMER TERMINAL 2 FOR 208 VAC OPERATION. 2. MANUFACTURER'S SPECIFIED RE PLACE MENT PARTS MU ST BE U BED WHEN SERVICING. 3. IF ANY OF THE ORIGINAL WIRES AS SU PPLIED WITH THIS UNIT MUST BE REPLACED, IT MUST BE REPLACED WITH WIR ING MATERIAL HAVING A TEMPERATURE RATING OF AT LEAST 105'C. USE CO PPER CON DUCTORS O NLY. 4. UNIT MU ST BE PER MANE NTLY GROUNDED AN D CONF ORM TO N.E.0 A NO LOCAL CODES. S. TO RECA ILL THE LAST 6 FA ULTS, M DST RECENT TO LEA ST RECENT, D EPRE SS SWITCH FOR MORE T HAN 2 SECONDS WHILE IN STANDBY (NO THERM OSTAT INPUTS) 6. RED STATUS LED PROVIDES N ETWORK STATUS. GREEN RX LED INDICATES NETWORK TRAFFIC. USE LEARN B UTTON TO RES ET NETWORK. 7. DISCARD C ONNECTOR PL7 WHEN INS TALLING OPTIONAL H EAT KIT. 8. THE CO NDENS ATE ALARM SW ITCH (CA S) TERMIN ALS CAN ONLY BE UTILIZED W ITH CO MMUN ICATING MODE S ETUPS AND MU ST BE ENA BLED WITH A COMMUNIC ATING THERM OSTAT. THIS F EATURE IS NOT OPERATIONAL W ITH LEGACY SY STEMS. tt USE N.E.0 CLA SS 2 WIRE If INDOOR AIR CIRCU LATOR BLWR GRIND L1 208/230 VAC L2 FUSE 3r 40 VA AN , _TH �1 TRANSFORMER 24 VAC W1 M HEAT 1 COIL/R1 1H 2 __q HEAT 2 COIL/ R2 CAS (1) CONDENSATE SWITCH �fI TO — CAL0— ` — — _ — , J INTEGRATED CONTROL MODULE / / / GRIND INTEGRATED CONTROL LOW VOLTAGE (24V) LOW VOLTAGE FIE LD HI VOLTAGE (230V) HI VOLTAGE FIE LD JUNCTION TERMINAL -0- INTERNALTO EQUIPMENT GRIND r" 7 FIELD GRIND 1 FIELD SPLICE RESISTOR —vvr OV ERCUR RENT PROT. DEVICE EE3 PLUG CONNECTION COLOR CODES: PK ---- PINK BR ---- BROWN W H ---- WHITE BL ---- BLUE GY ---- GRAY RD ---- RED YL ---- YELLOW OR ---- ORANGE PU ---- PURPLE GN ---- GREEN BK ---- BLACK 'rf+t 0140A00244-B Wiring is subject to change, always refer to the wiring diagram on the unit for the most up-to-date wiring. 19 AIR HANDLER AIR HANDLER HOMEOWNER'S ROUTINE MAINTENANCE RECOMMENDATIONS We strongly recommend a bi-annual maintenance checkup be performed before the heating and cooling seasons begin by a _qualified servicer. REPLACE OR CLEAN FILTER IMPORTANT NOTE: Never operate unit without a filter installed as dust and lint will build up on internal parts resulting in loss of efficiency, equipment damage and possible fire. An indoor air filter must be used with your comfort system. A properly maintained filter will keep the indoor coil of your com- fort system clean. A dirty coil could cause poor operation and/or severe equipment damage. Your air filter or filters could be located in your furnace, in a blower unit, or in "filter grilles" in your ceiling or walls. The installer of your air conditioner or heat pump can tell you where your filter(s) are, and how to clean or replace them. Check your filter(s) at least once a month. When they are dirty, replace or clean as required. Disposable type filters should be replaced. Reusable type filters may be cleaned. You may want to ask your dealer about high efficiency filters. High efficiency filters are available in both electronic and non -electronic types. These filters can do a better job of catching small airborne particles. A WARNING HIGH VOLTAGE! DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH. MOTORS Indoor and outdoor fan motors are permanently lubricated and do not require additional oiling. ALUMINUM INDOOR COIL CLEANING (QUALIFIED SERVICER ONLY) This unit is equipped with an aluminum tube evaporator coil. The safest way to clean the evaporator coil is to simply flush the coil with water. This cleaning practice remains as the recommended cleaning method for both copper tube and aluminum tube resi- dential evaporator coils. It has been determined that many coil cleaners and drain pan tablets contain corrosive chemicals that can be harmful to alumi- num tube and fin evaporator coils. Even a one-time application of these corrosive chemicals can cause premature aluminum evaporator coil failure. Any cleaners that contain corrosive chemi- cals including, but not limited to, chlorine and hydroxides, should not be used. An alternate cleaning method is to use one of the products listed in TP-109* to clean the coils. The cleaners listed are the only agents deemed safe and approved for use to clean round tube aluminum coils. TP-109 is also available on the web site in Partner Link > Service Toolkit. NOTE: Ensure coils are rinsed well after use of any chemical clean- e rs. A CAUTION TO AVOID THE RISK OF EQUIPMENT DAMAGE OR FIRE, INSTALL THE SAME AMPERAGE BREAKER OR FUSE AS YOU ARE REPLACING. IF THE CIRCUIT BREAKER OR FUSE SHOULD OPEN AGAIN WITHIN THIRTY DAYS, CONTACT A QUALIFIED SERVICER TO CORRECT THE PROBLEM. IF YOU REPEATEDLY RESET THE BREAKER OR REPLACE THE FUSE WITHOUT HAVING THE PROBLEM CORRECTED, YOU RUN THE RISK OF SEVERE EQUIPMENT DAMAGE. BEFORE YOU CALL YOUR SERVICER • Check the thermostat to confirm that it is properly set. • Wait 15 minutes. Some devices in the outdoor unit or in programmable thermostats will prevent compressor operation for awhile, and then reset automatically. Also, some power companies will install devices which shut off air conditioners for several minutes on hot days. If you wait several minutes, the unit may begin operation on its own. • Check the electrical panel for tripped circuit breakers or failed fuses. Reset the circuit breakers or replace fuses as necessary. • Check the disconnect switch near the indoor furnace or blower to confirm that it is closed. • Check for obstructions on the outdoor unit . Confirm that it has not been covered on the sides or the top. Remove any obstruction that can be safely removed. If the unit is covered with dirt or debris, call a qualified servicer to clean it. • Check for blockage of the indoor air inlets and outlets. Confirm that they are open and have not been blocked by objects (rugs, curtains or furniture). • Check the filter. If it is dirty, clean or replace it. • Listen for any unusual noise(s), otherthan normal operating noise, that might be coming from the outdoor unit. If you hear unusual noise(s) coming from the unit, call a qualified servicer. 20 THIS PAGE INTENTIONALLY LEFT BLANK 21 THIS PAGE INTENTIONALLY LEFT BLANK 22 THIS PAGE INTENTIONALLY LEFT BLANK 23 CUSTOMER FEEDBACK We are very interested in all product comments. 2: •'r� Please fill out the feedback on one of the following links: ,r Z 16 Daikin Products: Lhttps://daikincomfort.com/contact-us). rF - w + �i J16Goodman° Brand Products: (http://www.goodmanmfg.com/about/contact-us).�i,Amana° Brand Products: (http://www.amana-hac.com/about-us/contact-us). Er r'' �LC' You can also scan the QR code on the right for the product brand GOODMAN° BRAND AMANA' BRAND you purchased to be direced to the feedback page. ❑■ P," ❑■ Rp o• DAIKIN Product Registration Thank you for your recent purchase. Though not required to get the protection of the standard waranty, registering your product is a relatively short process, and ■ , : ■ K. q� � ■ , :. ■ �. ' failure by California entitles you to additional warranty protection, except that ad Quebec to their does diminsh their f�:.y , r_'' rx residents register product not warranty rights. : For Product Registration please register by following this link: GOODMAN' BRAND AMANA° BRAND Daikin Products: (https://daikincomfort.com/owner-support/product-registration). Goodman® Brand Products: (https://www.goodmanmfg. om/product-registration). Amana® Brand Products: (http://www.amana-hac.com/product-registration). You can also scan the QR code on the right to be directed to the Product Registration Page.Fil LOPU -ft DAIKIN NOTE: SPECIFICATIONS AND PERFORMANCE DATE LISTED HERIN ARE SUBJECT TO CHANGE WITHOUT NOTICE. Visit our website at www.daikincomfort.com, www.goodmanmfg.com or www.amana-hac.com for information on: • Products • Warranies • Parts • Contractor Programs and Training • Customer Services • Financing Options Goodman Manufacturing Company, L.P. 5151 San Felipe, Suite 500 • Houston, TX 77056 ©2013, 2015-2017 AoAO. is a registered trademark of Maytag or its related companies and is used under license. All rights reserved. 24