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