WIRING DIAGRAMS:
DIAGRAM
SYSTEM TYPE / DESCRIPTION
#1
CONVENTIONAL:
#2
CONVENTIONAL:
#3
CONVENTIONAL:
#4
CONVENTIONAL:
#5
CONVENTIONAL:
#6
CONVENTIONAL:
#7
HEAT PUMP:
#8
HEAT PUMP:
HEATING ............................................................9
1-STAGE OR 2-STAGE
2, 3, 4, 5 WIRES
HEATING ..........................................................10
3-WIRE ZONE VALVE
3, 4 WIRES
COOLING ..........................................................11
1-STAGE
3, 4 WIRES
HEATING AND COOLING .....................................12
1-STAGE HEAT
4, 5 WIRES
HEATING AND COOLING .....................................13
2-STAGE HEAT
5, 6 WIRES
HEATING AND COOLING .....................................14
TWO-TRANSFORMERS
5, 6 WIRES
HEATING AND COOLING .....................................15
SINGLE-STAGE ONLY
4, 5 WIRES
HEATING AND COOLING .....................................16
WITH AUX / EMERGENCY HEAT
5, 6 WIRES
8
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