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#1 CONVENTIONAL: HEATING ONLY..................................................10
SINGLE-STAGE
2, 3, or 4 WIRES
#2 CONVENTIONAL: COOLING ONLY .................................................11
SINGLE-STAGE
3 or 4 WIRES
#3 CONVENTIONAL: HEATING AND COOLING .....................................12
SINGLE-STAGE
4 or 5 WIRES
#4 CONVENTIONAL: HEATING AND COOLING .....................................13
TWO-TRANSFORMERS, SINGLE-STAGE
5 or 6 WIRES
#5 HEAT PUMP: HEATING AND COOLING .....................................14
NO AUXILIARY / EMERG HEAT, SINGLE-STAGE
4 or 5 WIRES
DIAGRAM SYSTEM TYPE / DESCRIPTION PAGE #
WIRING DIAGRAMS: