Infloor Electric Cable Series 386 - Manual (Page 23)

23 of 36 Copyright ©2014
Typical Wiring for Infloor
thermostat with Infloor Relay(s)
20-amp circuit for each Infloor thermostat
and Infloor relay
Infloor Relay Connection Diagrams
120/240 VAC
Infloor Control
120 VAC or 240 VAC
Two or more 120 VAC or
240 VAC Heating Cables
(maximum 15 amps)
Infloor Cable Infloor Cable
Two or more 120 VAC or
240 VAC Heating Cables
(maximum 15 amps)
Infloor Cable Infloor Cable
Load 1
Line 1
Line 2
Black
Black Black
Ground
White
White
White
Bus
Sensor
A
B
Load 2
120/240 VAC
Infloor Relay
120 VAC or 240 VAC
Load 1
Line 1
Line 2
Black
Black Black
Ground
White
White
White
Bus
A
B
Bus
A
B
Load 2
Sensor
Use size 18- to 24-gauge 2
conductor wire up to 100 feet
(30 m) in length to connect
thermostat to relay.
Make sure 120 VAC is supplied to 120 VAC cables and 240 VAC is supplied to 240 VAC
cables. Otherwise, dangerous overheating and possible fire hazard can result.