White 1521 Specifications download pdf (Page 15)

ADVANCED

INSTALLER MENU

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 heang)

Use or to navigate and press

button to select the equipment to be

congured.

Options for each type of equipment are the following:

Advanced Installer Menu

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White 1521 Specifications Page 15