ecobee

1 stage heatpump + 1-stage aux heat with C-wire

This diagram illustrates the wiring connections for a heat-pump system with auxiliary heating. W2, AUX and or E(Emergency) wiring connections will normally connect to the ecobee3 W1 terminal. ecobee3 manages auxiliary heating through W1 & W2(if more than 1-stage aux heat) outputs.

ecobee3_-_1-stg_heatpump___1-stg_aux_with_C-wire.png

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