Wiring Diagrams - Aprilaire 8336 User Manual

Wiring Diagrams

The following is just a sample of the most common types of HVAC
systems. Refer to your systems installation manual for wiring information.
APRILAIRE MODEL 8336 HEAT PUMP THERMOSTAT CONVERSION TO CARRIER
SPLIT SYSTEM CONDENSORS AND HEAT PUMP SYSTEMS
24 VAC, RETURN
R
COMPRESSOR CONTACTOR
Y
REVERSING VALVE [COOLING MODE]
O
FAN CONTACTOR CIRCUIT
G
EMERGENCY HEATING CIRCUIT
E
2ND. STAGE HEATING CIRCUIT
W2
SYSTEM MONITOR LED
L
24 VAC, COMMON
C
W3
THE LOW VOLTAGE TERMINAL DESIGNATIONS AND THEIR DESCRIPTION AND/OR
FUNCTION ARE USED ON ALL SPLIT SYSTEM CONDENSORS AND HEAT PUMPS
APRILAIRE MODEL 8336 HEAT PUMP CONVERSION TO COLEMAN HEAT PUMPS
24 VAC, RETURN
R
COMPRESSOR CONTACTOR
Y
REVERSING VALVE [HEATING MODE]
B
FAN CONTACTOR CIRCUIT
G
EMERGENCY HEATING CIRCUIT
E
2ND. STAGE HEATING CIRCUIT
W2
SYSTEM MONITOR LED
L
24 VAC, COMMON
X
O
THE LOW VOLTAGE TERMINAL DESIGNATIONS AND THEIR DESCRIPTION AND/OR
FUNCTION ARE USED ON ALL SPLIT SYSTEM CONDENSORS AND HEAT PUMPS
APRILAIRE MODEL 8336 HEAT PUMP THERMOSTAT
R
Y1
3000 SERIES HEAT PUMP SYSTEMS
APRILAIRE MODEL 8336 HEAT PUMP THERMOSTAT
R
Y1
10
O
B G E
O
B G E
W2
Y2
L C
W2 Y2
L C