Install Instructions

21
Wiring for optional Outdoor
Heating Thermostat.
(located indoors, install per
manufacturer instructions)
Slab
Maximum 100A Heating Load with CP-100
120/208/240VAC
2 circuits
Pole-mount sense
PM-224
or PM-824
Junction
Box
Circuit Breaker Panel
Junction
Box
Contactor Control CP-100
Ground
120 / 208 / 240 VAC
Ground
120 / 208 / 240 VAC
Maximum 70A breakers
Ground
L1
L2
T1
T2
Ground
L1
L2
T1
T2
Ground
C1
C2
Ground
Gr
Ground
Yel
Br
Bl
Yel
Use size 18AWG (up to 200ft) to
24AWG (up to 100ft), 4-conductor
shielded, outdoor rated wire.
L1
L2 / N
L1
L2 / N
24VAC
Common
PM
24VAC
Common
PM
Type GFEP
Outdoor-Rated
Outdoor
ContactorPro
Control
To sensor
Installed in
conduit,
in slab.
24v
Com
Optional
24VAC
Thermostat for
Outdoor
Heating
24V Com PM
Ground
Use 18 AWG
3-conductor shielded
wire (up to 200ft)
Slab
Maximum 100A Heating Load with CP-100
277VAC
2 circuits
Pole-mount sense
PM-224
or PM-824
Junction
Box
Circuit Breaker Panel
Junction
Box
Contactor Pro Control CP-100
Ground
277 VAC
Ground
277 VAC
Ground
L1
L2
T1
T2
Ground
L1
L2
T1
T2
Ground
C1
C2
Ground
Use size 18AWG (up to 200ft) to
24AWG (up to 100ft), 4-conductor
shielded, outdoor rated wire.
Ground
120 VAC
Ground
120V
PRI
L1
L2 / N
L1
L2 / N
Gr
Ground
Yel
Br
Bl
Yel
24VAC
Common
PM
24VAC
Common
PM
Maximum 70A breakers
Type GFEP
Outdoor-Rated
Outdoor