Manual

18 SunTouch WarmWire Installation Manual
All electrical work must be done by a qualified licensed electrician in accordance with local building and electrical codes, and the
National Electrical Code (NEC), especially Article 424, Part IX of the NEC, ANSI/NFPA70 and Section 62 of CEC Part 1.
Typical Electrical Wiring Diagram with SunStat Control and Relay(s)
Dedicated 120VAC or 240-VAC, 20-amp (maximum) circuit.
Two or more120 VAC or
240 VAC Heating Cables
(maximum 15 amps)
2-Conductor
18 to 24 AWG
Signal Wire
Ground
Black
Black
Black
White
White
White
Line 1
Load 1
Load 2
Line 2
120 VAC or 240 VAC
Sensor Wire
(no polarity)
120/240 VAC
SunStat Control
Two or more120 VAC or
240 VAC Heating Cables
(maximum 15 amps)
Ground
Black
Black
Black
White
White
White
Line 1
Load 1
Load 2
Line 2
120 VAC or 240 VAC
120/240 VAC
SunStat Relay
Relout
2
3
4
5
RelinRelin
Relout
2
3
4
5
RelinRelin
Relout
Setback
Sensor
2
3
4
5
Relout
Relin
Relin
Relout
RelinRelin
Relout
120/240 VAC
SunStat Relay
120/240 VAC
SunStat Relay
Up to 10 SunStat Relays
can be connected to
one SunStat Control
120/240 VAC
SunStat Control
Observe polarity when connecting relays
Two or more120 VAC or
240 VAC Heating Cables
(maximum 15 amps)
2-Conductor
18 to 24 AWG
Signal Wire
Ground
Black
Black
Black
White
White
White
Line 1
Load 1
Load 2
Line 2
120 VAC or 240 VAC
Sensor Wire
(no polarity)
120/240 VAC
SunStat Control
Two or more120 VAC or
240 VAC Heating Cables
(maximum 15 amps)
Ground
Black
Black
Black
White
White
White
Line 1
Load 1
Load 2
Line 2
120 VAC or 240 VAC
120/240 VAC
SunStat Relay
Relout
2
3
4
5
RelinRelin
Relout
2
3
4
5
RelinRelin
Relout
Setback
Sensor
2
3
4
5
Relout
Relin
Relin
Relout
RelinRelin
Relout
120/240 VAC
SunStat Relay
120/240 VAC
SunStat Relay
Up to 10 SunStat Relays
can be connected to
one SunStat Control
120/240 VAC
SunStat Control
Observe polarity when connecting relays
Diagram for connection of signal wire between SunStat Control and Relays