be replaced. The word BATTERY will be displayed continuously (non-flashing) when 24v AC power is not being supplied to the thermostat and the thermostat is operating on battery power only.

AUDIO PROMPTING — Each time you press a button, the thermostat will beep.

BACKLIT DISPLAY — When you press any button on the thermostat, the display is lit for approximately eight seconds.

SYSTEM INDICATOR LIGHT — The red light on the upper right part of the thermostat indicates system operation (see PARTS OF THE THERMOSTAT).

COMPRESSOR SHORT CYCLE PROTEC- TION — To protect your compressor from potential damage due to rapid cycling, this thermostat has a built-in delay of 5 minutes between cooling cycles. The following may

cause a time delay in COOL:

a) Return of power after a power outage.

b) Pressing SYSTEM to change operating

HEAT-OFF-COOL-AUTO

modes.

c)Pressing , creating a call for COOL too soon after a previous call.

TOTAL KEYPAD LOCKOUT — When Group A option switch #1 is in the total keypad lockout position (ON), programs cannot be altered and all buttons are dis- abled.

NOTE

Programming should be completed and batter- ies should be installed before changing Group A option switches #1 or #2.

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White Rodgers 1F90W-71 manual Heat-Off-Cool-Auto