Lennox 10T50 - Page 12

12
REMOVE JUMPER BETWEEN R AND W2
IF PRESENT. IT MAY CAUSE
ERRONEOUS ALERT CODE 125.
LENNOX COMMUNICATING
THERMOSTAT
Figure 10. Conventional Furnace or Air Hander with Conventional Air Conditioner
REMOVE JUMPER BETWEEN R AND W2
IF PRESENT. IT MAY CAUSE
ERRONEOUS ALERT CODE 125.
LENNOX COMMUNICATING
THERMOSTAT
Figure 11. Conventional Air Hander with Conventional Heat Pump
LENNOX COMMUNICATING
THERMOSTAT
SET “HEAT STAGES” TO NUMBER
OF COMPRESSOR HEAT STAGES
Figure 12. Dual-Fuel - Lennox Communicating Furnace with Conventional Heat
Pump
IF THERE IS A JUMPER INST
ALLED
BETWEEN R AND W2 ON INDOOR UNI
T,
THEN REMOVED. IF NOT REMOVE IT
MA
Y CAUSE ERRONEOUS ALERT
CODE 125
.
REMOVE JUMPER BETWEEN R AND W2 IF
PRESENT. IT MAY CAUSE ERRONEOUS ALERT
CODE 125.
LENNOX COMMUNICATING
THERMOSTAT
LENNOX COMMUNICATING OUTDOOR
UNIT HAS BUILT-IN OUTDOOR TEMP
SENSOR WHICH CAN BE USED FOR
BALANCE POINTS FOR SYSTEM.
SET “HEAT STAGES” TO NUMBER
OF COMPRESSOR HEAT STAGES
Figure 13. Dual-Fuel - Conventional Furnace with Lennox Communicating
Heat Pump