FIGURE 8
TYPICAL 2-STAGE THERMOSTAT: CONDENSING UNIT WITH
ELECTRIC HEAT
FIGURE 9
TYPICAL TWO-STAGE THERMOSTAT: CONDENSING UNIT WITH
ELECTRIC HEAT USING A HUMIDISTAT FOR DEHUMIDIFICATION*.
FIGURE 11
CONDENSING UNIT WITH ELECTRIC HEAT USING A TWO-STAGE
THERMOSTAT WITH DEHUMIDIFICATION* AND A MALFUNCTION
LIGHT
12.9 Typical Non-Communicating Thermostat Wiring Diagrams
WIRE COLOR CODE
B
K – BLACK G – GREEN PR – PURPLE Y – YELLOW
B
R – BROWN GY – GRAY R – RED
B
L – BLUE O – ORANGE W – WHITE
*See Section 5.11 for proper DIP switch selection.
The following figures show the typical wiring diagrams with (-)HPN air handler and (-)ARL con-
densing unit. Cooling and heat pump airflows may need to be adjusted for homeowner comfort
once the system is operational.
CONVENTIONAL THERMOSTAT WIRING