Lennox CBX25UH Series - Heat Pump Wiring Diagrams; Heat Pump with Electric Heat Wiring

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Figure 31. Low Voltage Field Wiring Electric Heat
R
R
G
G
BU
BU
W
W
BK
BK
CONNECT COMMON WIRE
ONLY IF REQUIRED
(REFER TO THE
APPROPRIATE
THERMOSTAT
INSTALLATION
INSTRUCTIONS)
CONDENSING
UNIT
Air Handler
AIR HANDLER
THERMOSTAT
Heat Pump Application With Electric Heat
AIR HANDLER
THERMOSTAT
HEAT PUMP
UNIT
S23 OUTDOOR
THERMOSTAT
(IF USED)
K22 EM HEAT
RELAY