Lennox International Inc. Gas Units Gas Heater User Manual


 
Page 36
9 − One 24V H" terminal is provided on the furnace control
board terminal block. Any humidifier rated up to 0.5
amp can be connected to this terminal with the ground
leg of the circuit being connected to either ground or
the C" terminal. See figure 52 for control board config-
uration.
10 −Install the room thermostat according to the instruc-
tions provided with the thermostat. See table 10 for
field wiring connections in varying applications. If the
furnace is being matched with a heat pump, refer to the
instruction packaged with the dual fuel thermostat.
Indoor Blower Speeds
1 − When the thermostat is set to FAN ON," the indoor
blower will run continuously on the low heat speed
when there is no cooling or heating demand.
2 − When the G61MP is operating in the high−fire or low−
fire heating mode, the indoor blower will run on the cor-
responding heating speed.
3 − When there is a cooling demand, the indoor blower will
run on the corresponding cooling speed.
TYPICAL G61MP FIELD WIRING DIAGRAM
FIGURE 51