Honeywell T8611M !

Fig. 13—Mounting thermostat on subbase.

!CAUTION

During cold weather, some heat pumps will re-

quire that crankcase heater be energized several

hours before operating heat pump. Refer to

manufacturer’s recommendations.

HEATING

NOTE: When heating setting is changed, thermostat will

wait up to 5 minutes before turning on the heating

equipment. This delay protects the compressor.

Move the system switch to HEAT and the fan switch to

AUTO. Press WARMER key until the setting is about 10°

F [6° C] above room temperature. Heating should start and

the fan should run (there may be a delay of 5-10 minutes

before heat turns on). Press COOLER key until the setting

is about 10° F [6° C] below room temperature. The heating

equipment should shut off, followed by the fan.

NOTE: On an AUTO changeover thermostat, the cooling

temperature must be set at least 3° F [2° C] above the

heating temperature, or display will flash.

COOLING

CAUTION

Do not operate cooling if outdoor temperature is

below 50° F [10° C]. Refer to manufacturer’s

recommendations.

NOTE: When cooling setting is changed, thermostat will

wait up to five minutes before turning on the cooling

equipment. This delay protects the compressor.

Move the system switch to COOL and the fan switch to

AUTO. Press COOLER key until the setting is about 10°

F [6° C] below room temperature. The cooling equipment

and fan should start. Press WARMER key until the setting

is about 10° F [6° C] above room temperature. The cooling

equipment and fan should stop.

NOTE: On an AUTO changeover thermostat, the heating

temperature must be set at least 3° F [2° C] below the

cooling temperature, or display will flash.

!

T8611M

INSTALLATION • CHECKOUT