White Rodgers 1F90-51 User Manual download pdf (Page 13)

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• HOLD TEMPERATURE — The thermostat

can hold any temperature within its range

for an indefinite period, without reverting to

the program. Press

HOLD

TEMP

. HOLD will be dis-

played. Then choose the desired hold tem-

perature by pressing or . The

thermostat will hold the room temperature

at the selected setting until you press

RUN

PRGM

to

start program operation again. This feature

is ideal for energy conservation when the

building is unoccupied for an extended pe-

riod of time.

• “ADVANCE PROGRAM” KEY — Press

ADV

PRGM

to change the thermostat to the next

program period. This will temporarily over-

ride the program, until the next program

period begins (for example, pressing this

key while in the DAY program will advance

the thermostat to the EVE program, which

will remain in effect until the NHT program

begins).

• °F/°C CONVERTIBILITY — Press

TIME

FWD

and

TIME

BACK

at the same time until the temperature

display is in °C (Celsius). To display °F,

repeat the process.

• ADJUSTABLE HEATING AND COOLING

CYCLE TIMES (ANTICIPATION) — If the

heating/cooling system is turning on and off

too often (short cycles) or not often enough

(long cycles), you may want to adjust the

anticipation setting.

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