REVIEWED BLD-RESUB 1-WireES-ST-WarmWire
Job Name
Job Location
Engineer
Approval
SunTouch® WarmWire®
120 and 240 Voltages
SunTouch WarmWire is a series resistance heating cable assembly installed
over plywood, backerboard, or concrete slab (according to ANSI or TCNA
guidelines), and then embedded in 3/a" (9.5 mm) or greater self -leveling or
polymer -modified thin -set mortar. WarmWire is approved for installation
in shower applications.
Specifications
Supply Voltage
120 VAC, 1-phase
240 VAC, 1-phase
Amp Draw
120 VAC:1 amp per 10 ftz
240 VAC:1 amp per 20 ftz
Maximum Circuit Load
20 amps (15 amps with SunStat control)
2.5" (63.5 mm) o.c.
Wire Spacing
3" (76 mm) O.C.
3.5" (89 mm) O.C.
Maximum Allowable Temperature
194'F (90'C)
Continuously
EMF
Less than 1 milligauss at ill"
(12.7 mm) above surface
Minimum Allowable Bend Radius
1" (25 mm)
Power Lead Length
10' (2.7 m)
Watt Density
2.5" (63.5 mm) ox, 14.4 W/ftz (155,0 W/m2)
3" (76 mm) o.c. 12.0 W/ftz (129.0 Wlmz}
3.5" (89 mm) c.c. 10.3 W/ftz (110,8 Wlm1)
Minimum
Polymer -modified
Thinset
3,18" (9.5 mm)
Allowable
Substrate
Backer board over wood subfloor
Polymer -modified setting bed over wood subfloor
Polymer-modfled setting bed over concrete slab
Thin slablself-leveling concrete over
wood subfloor
1
Thin slab/self-leveling concrete over
concrete slab
Allowable Floor
Coverings
Tile/Stone
Carpet
Hardwood
Note: Most anti -fracture membranes are approved for use with WarmWire.
Contact manufacturer for details on specific products.
Contractor
Approval
Contractor's P.O. No
Representative
RESUB
Sep 16 2021
CITY DEVELOPMENT EIRVICES
DEPARTMENT
REVIEWED
BY
CITY OF EDMONDS
BUILDING DEPARTMENT
WarmWire is available in various lengths with voltage options of
120 or 240 VAC,
Installation Guidelines
• Measure and certify the correct wire resistance (ohms) value for the
heating cables, record these readings in the chart provided in the
installation manual.
• Use of manufacturer's alarm meter (LoudMouthT"^ meter) is recommended
during installation.
• Clean the subfloor.
• Secure sections of the HeatMatrix or CableStrar" to the floor.
• Weave the heating cable across the floor area, fastening it to the strap.
Distance between heating cables may be varied on -site to fit requirements
and should average 2.5", 3", or 3.5" on -center.
• Install the floor sensor in accordance with installation manual.
• Install floor coverings as detailed in installation manual.
O UL Listed for U.S. under UL Standard 1673 and Canada
C as under CANICSA C22.2 No.130.2-93.
Listing file number El85866,
Never cut the heating cable or damage it in any way. Use only the attachment
methods as described in the Installation Manuals for SunTouch WarmWire as
other methods may damage the heating element.
This Engineering Sheet is not intended to provide full installation instructions
and safety information. In order to avoid property damage or injury, please
refer to the complete installation manual and product safety information
provided with the product.
SunTouch product speclfleations in U.S. customary units and metric are approximate and are provided for reference only. Far predse
measurements, please contact SunTouch Technical Service. Surttauch reserves the right to change or modify product design, construc-
ton, specifications, or materials without prior notice and without incurring any obligation to make such changes and modifications on
SunTouch products previously or subsequently said. Refer to the owne's manual for warranty information.
SunTouch
A WATTS Brand