White-rodgers 1F97-71 Manuel d'utilisateur télécharger pdf (Page 15)

the selected setting until you press

RUN

PRGM

start program operation again. This feature is

ideal for energy conservation when the build-

ing is unoccupied for an extended period of

time.

•

°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.

A cooling anticipation setting of less than

10 may cause decreased compressor life.

To adjust heat anticipation, press

SET

CLOCK

and

ADV

DAY

at the same time. The display will show

HEAT 5 (this is the factory preprogrammed

heating anticipation setting). You may select

any anticipation setting from 4 to 40 (note

that for hydronic systems, a minimum an-

ticipation setting of 15 is recommended).

Whenever adjusting anticipation, increase or

decrease the displayed number by only one

or two digits, then let the system run for a

while to see if the adjustment is sufficient. If

the heat cycles are too short, press

TIME

FWD

increase the cycle time. If the heat cycles are

CAUTION

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 39 40

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White-rodgers 1F97-71 Manuel d'utilisateur Page 15

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