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LCD READOUT DISPLAYS-,., A
CURRENT ROOM TEMPERATURE, \
DESIRED ROOM TEMPERATURE, \
UNIT MODE SETTING,_
.............. AiD FAN MODE SETTING _
iii;U REi I,f'-",,_ ] SEqq-,NGS
f _- 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
These air pockets may be too cool or warm for your liking.
Continuous fan operation minimizes any temperature differ-
ences. Also, systems equipped with electronic or mechanical
air cleaners and/or humidifiers offer the added benefits of hav-
ing the air continuously cleaned year-round and humidified
during the winter season.
• A system equipped with a heat or energy recovery ventilator
offers the advantage of exhausting stale air from the home and
allowing fresh air in from the outdoors while minimizing heat
loss.
• 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. Howevel: it is sufficiently warm to
keep you comt\_rtaMe.
• Ice or fiost will tend to form on the outdoor coilduring the winter
heating operation. Your heat pump is designed to automatically
MEOTDwEEBLNT;ONSELECTS F LCDRENATD?UTDISPLAYSRATURE
PROGRAM BUTTONS --'-. \ COOL, AUTO, AND ' / DESIRED ROOM TEMPERATURE
FOR PROGRAMMING \ \ EMERGENCY HEAT / ONRI?UTDOOsRTEMPERATURE,
HEATING/COOLING \ \ OPERATION / FAN MODE SETTING'
CYCLES _ _ _ AND TIME OF DAY
IIi _-_-_J.... _ ;,,_i : __ UPCNoDND°N_N EASE
[11 IF_I OR DECREASE THE
I_1 Art UU _ DESIRED TEMPERATURE
........... ..... ',_ 1 SETTINGS
_T TI_M'_E__l _ _ ...........................................] ..................................' FANBUTToNLI _CHOOSES
BUTTON _ BETWEEN ON OR AUTO
FAN OPERATION
..__j_ HOLD BUTTON MAINTAINS
RESET FILTER BUTTON THE CURRENT TEMPERATURE
RESTARTS THE TIMER AND OVERRIDES PROGRAMMED
THAT CALCULATES TEMPERATURE CHANGES
THE NEXT AIR FILTER UNTIL RESET
CHANGE OR CLEANING
Fig. 3--Typical Carrier Programmable Thermostat
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