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LCD READOUT DISPLAYS---_
CURRENT ROOM TEMPERATURE, \
DESIRED ROOM TEMPERATURE, \
UNIT MODE SETTING,_
AND FAN MODE SETTING X
I----- i i UPAND DOWN
IFJ i i - BUTTONS NDREASE
I i_j i i I[(_ _lr/ OR DECREASE THE
i BES,REDTEMPERATURE
r!_ ::_ _ ,/_ I f'm,, I SETTINGS
_-" MODE BUTTON SELECTS
BETWEEN OFF, HEAT,
COOL, AUTO, AND EMERGENCY
HEAT OPERATION
RESET FILTER BUTTON --
RESTARTS THE TIMER
THAT CALCULATES
THE NEXT AIR FILTER
CHANGE OR CLEANING
FAN BUTTON CHOOSES
BETWEEN ON OR AUTO
FAN OPERATION
Fig. 2wTypical Carrier Non-Programmable Thermostat
• Your system may also be equipped with a zoning system
which allows individual control over the temperatures of sep-
arate areas of your home.
• Your heat pump will remove humidity from your home dur-
ing the cooling season. After a few minutes of operation, you
should be able to see water trickle from the condensate drain
of the indoor cooling coil. Check this occasionally to be sure
the drain system is not clogged. Of course, don't expect to see
much drainage if you live in a very dry environment.
• During the heating cycle, air from your registers may seem
cooler than you might first expect. This is because your heat
pump delivers a constant flow of air at around 90°F to 105°F
instead of in sudden bursts of hot air as with a conventional
furnace. This air may feel cool because it is slightly less than
your skin temperature. However. it is sufficiently warm to
keep you comt\_rtable.
• Ice or frost will tend to f_rm on the outdoor coil during the
winter heating operation. Your heat pump is designed to auto-
matically melt the ice. When in this defrost cycle, it is normal
l\_rsteam or l\_g to rise from the outdoor unit. Do not be
alarmed!
• Do not operate your unit in cooling mode when outdoor
temperatures are below 55°F unless your unit was modified
l\_r low-ambient operation.
• Do not operate your unit in heating mode when outdoor
temperatures are above 66°F unless you set your thermostat
to emergency heat mode.
PROGRAM
FOR PROGRAMMING
HEATING/COOLING
CYCLES
MODE BUTTON SELECTS
BETWEEN OFF, HEAT,
COOL, AUTO, AND
EMERGENCY HEAT
OPERATION
DISPLAYS
CURRENT ROOM TEMPERATURE,
DESIRED ROOM TEMPERATURE
OR OUTDOOR TEMPERATURE,
UNIT MODE SETTING,
FAN MODE SETTING,
AND TIME OF DAY
-- UP AND DOWN
BUTTONS INCREASE
OR DECREASE THE
DESIRED TEMPERATURE
SETTINGS
BUTTON
RESET FILTER BUTTON
RESTARTS THE TIMER
THAT CALCULATES
THE NEXT AIR FILTER
CHANGE OR CLEANING
FAN BUTTON CHOOSES
BETWEEN ON OR AUTO
FAN OPERATION
HOLD BUTTON MAINTAINS
THECURRENTTEMPERATURE
AND OVERRIDES PROGRAMMED
TEMPERATURE CHANGES
UNTIL RESET
Fig. 3--Typical Carrier Programmable Thermostat
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