Figure 8a. Thermostat Wiring Details
W2
G
X
H
E
R
A
Y
O
W2
G
C
R
A
Y
O
HEAT PUMP* LOW VOLTAGE SECTION
Thermostat
Field Supplied
Seven (7) Conductor, Color Coded
18 Gauge Thermostat Cable
Humidity Controller
*A/C’s do not have “O”.
G
R W
Y
2
4
6
8
10
1
3
5
7
9
5 WIRE WALL THERMOSTAT
Five (5) Conductor Color-
Coded 18 Gauge Thermostat
Cable (Field Supplied)
COMPAC
®
A/C TERMINAL BLOCK
NOTE:
Terminals 5 & 7 are normally open dry
contacts and close to indicate lockout.
Terminals 6 & 7 are normally closed dry
contacts and open to indicate lockout.
*
*Terminals on thermostat may have RC & RH. If so, install jumper wire between RC & RH.
C
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