Advanced Installer Menu

Useorto navigate and press button to select the equipment to be configured.

Options for each type of equipment are the following:

Indoor

GA2 2 stage gas furnace

GA1 1 stage gas furnace

EL2 2 stage electric heat

EL1 1 stage electric heat

FAN – Indoor fan only

Outdoor

AC2 2 stage A/C unit

AC1 1 stage A/C unit

HP2 2 stage heat pump

HP1 1 stage heat pump

ACO – no outdoor equipment

Rev Valve

O – use if “O” wire is available (energize the reversing valve in cooling) B – use if “B” wire is available (energize the reversing valve in heating)

ADVANCED INSTALLER MENU

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Emerson 1HDEZ-1521 installation instructions Indoor, Outdoor, Rev Valve