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Thermostat
Install the room thermostat according to the instructions
provided with the thermostat. See figure 29 for thermostat
designations. If the furnace is being matched with a heat
pump, refer to the FM21 installation instruction or appro
-
priate dual fuel thermostat instructions.
Indoor Blower Speeds
1 -
When the thermostat is set to “FAN ON,” the indoor
blower will run continuously on the fan speed when
there is no cooling or heating demand.
2 -
When the EL180UHE is running in the heating
mode, the indoor blower will run on the heating
speed.
3 -
When there is a cooling demand, the indoor blower
will run on the cooling speed.
Figure 29
EL180UHE Schematic Wiring Diagram