Thermostat Relays
This section shows the relays that are engaged during heating and cooling for the various Wire-
less Thermostat configurations.
Conventional Stage: Heating
Primary Fan (Fuel), Secondary Fan (Fuel)
Stage Y1 Y2 W1 W2 O B G
1st Stage *
2nd Stage * *
Primary Fan (Electric), Secondary Fan (Fuel)
Stage Y1 Y2 W1 W2 O B G
1st Stage * *
2nd Stage * * *
Primary Fan (Fuel), Secondary Fan (Electric)
Stage Y1 Y2 W1 W2 O B G
1st Stage *
2nd Stage * * *
16
NOTE: If set to the maximum time, the main heat pump stage and the auxiliary heat
stage will run together indefinitely.
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