Instructions / Assembly

SunTouch UnderFloor Installation Manual 11
PART 6: Wiring Diagrams
Typical Electric Wiring Diagram with SunStat Control (120V)
Dedicated 120-V, 20-amp (maximum) circuit for 120V mats (must be GFCI protected unless a GFCI SunStat is used).
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.
Ground
Black
Black
Black
White
White
White
Line 1
Load 1
Load 2
Line 2
120 VAC
Sensor Wire
(no polarity)
UnderFloor Mat
(maximum 15 amps)
120 VAC
SunStat Control
Two or more120 VAC
(maximum 15 amps)
Ground
Black
Black
Black
White
White
White
Line 1
Load 1
Load 2
Line 2
120 VAC
Sensor Wire
(no polarity)
120 VAC
SunStat Control
old one
Connecting two mats
Ground
Black
Black
Black
White
White
White
Line 1
Load 1
Load 2
Line 2
120 VAC
Sensor Wire
(no polarity)
UnderFloor Mat
(maximum 15 amps)
120 VAC
SunStat Control
Two or more120 VAC
(maximum 15 amps)
Ground
Black
Black
Black
White
White
White
Line 1
Load 1
Load 2
Line 2
120 VAC
Sensor Wire
(no polarity)
120 VAC
SunStat Control
old one
Connecting two mats
Ground
Black
Black
Black
White
White
White
Line 1
Load 1
Load 2
Line 2
120 VAC or 240 VAC
Sensor Wire
(no polarity)
UnderFloor Mat
(maximum 15 amps)
120/240 VAC
SunStat Control
Two or more120 VAC or
240 VAC Heating Mats
(maximum 15 amps)
CAUTION: Make sure 120 VAC
is supplied to 120VAC mats and
240VAC is supplied to 240VAC
mats. Otherwise, dangerous
overheating and possible fire
hazard can result.
CAUTION: Make sure 120 VAC
is supplied to 120VAC mats and
240VAC is supplied to 240VAC
mats. Otherwise, dangerous
overheating and possible fire
hazard can result.
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
old one
Connecting two mats
Ground
Black
Black
Black
White
White
White
Line 1
Load 1
Load 2
Line 2
120 VAC or 240 VAC
Sensor Wire
(no polarity)
UnderFloor Mat
(maximum 15 amps)
120/240 VAC
SunStat Control
Two or more120 VAC or
240 VAC Heating Mats
(maximum 15 amps)
CAUTION: Make sure 120 VAC
is supplied to 120VAC mats and
240VAC is supplied to 240VAC
mats. Otherwise, dangerous
overheating and possible fire
hazard can result.
CAUTION: Make sure 120 VAC
is supplied to 120VAC mats and
240VAC is supplied to 240VAC
mats. Otherwise, dangerous
overheating and possible fire
hazard can result.
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
old one
Connecting two mats