Lennox EIM - Page 11

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REMOVE JUMPER BETWEEN R AND W2
IF PRESENT. IT MAY CAUSE
ERRONEOUS ALERT CODE 125.
ICOMFORT SERIES
THERMOSTAT
Y2
Out
BL
Figure 9. Conventional Furnace or Air Hander with Conventional Air Conditioner
(1 or 2-Stage)
REMOVE JUMPER BETWEEN R AND W2
IF PRESENT. IT MAY CAUSE
ERRONEOUS ALERT CODE 125.
ICOMFORT SERIES
THERMOSTAT
Y2 OUT
BL
Figure 10. Conventional Air Hander with Conventional Heat Pump (1 or 2-Stage)
ICOMFORT SERIES
THERMOSTAT
Y2
Y2 OUT
BL
Y2 OUT IS FOR TWO-STAGE UNITS
ONLY (XP16 & XP19)
Figure 11. Dual-Fuel - Lennox Communicating Furnace with Conventional Heat
Pump (1 or 2-Stage)
IF THERE IS A JUMPER INSTALLED
BETWEEN R AND W2 ON INDOOR UNIT,
THEN REMOVED. IF NOT REMOVE IT
MAY CAUSE ERRONEOUS ALERT
CODE 125.
REMOVE JUMPER BETWEEN R AND W2 IF
PRESENT. IT MAY CAUSE ERRONEOUS ALERT
CODE 125.
ICOMFORT SERIES
THERMOSTAT
Y2 OUT
BL
NOTE: NOT APPLICABLE FOR VARIABLE CAPACITY OUTDOOR UNITS.
Figure 12. Dual-Fuel - Conventional Furnace with Lennox Communicating
Heat Pump (1 or 2-Stage)