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• Your system may also be equipped with a zoning system which
allows individual control over the temperatures of separate areas
of your home.
• Your air conditioner will remove humidity from your home
during the cooling season. After a few minutes of operation, you
should be able to see water trickle from the condensate drain of
the 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.
• Your unit is not designed to be operated when outdoor tem-
peratures are lower than 55°F without modification. If opera-
tion below this temperature is required, consult your installer.
OPERATING YOUR
AIR CONDITIONER
The operation of your air conditioning system is controlled by
the indoor thermostat. You simply adjust the thermostat and it
maintains the indoor temperature at the level you select. Most
thermostats have three controls: a temperature control selector,
a FAN control, and a SYSTEM or MODE control. Fig. 2 and 3
show typical Carrier thermostats.
The temperature control selector is a dial, lever, or set of buttons that
allows you to select the temperature you wish to maintain for your
personal comfort. Some thermostats possess two temperature
RESET FILTER BUTTON
RESTARTS THE TIMER
THAT CALCULATES
THE NEXT AIR FILTER
CHANGE OR CLEANING
FAN BUTTON CHOOSES
BETWEEN ON OR AUTO
FAN OPERATION
LCD READOUT DISPLAYS
CURRENT ROOM TEMPERATURE,
DESIRED ROOM TEMPERATURE,
UNIT MODE SETTING,
AND FAN MODE SETTING
MODE BUTTON SELECTS
BETWEEN OFF, HEAT,
COOL, AND AUTO OPERATION
UP AND DOWN
BUTTONS INCREASE
OR DECREASE THE
DESIRED TEMPERATURE
SETTINGS
MODE
FAN
RESET/FILTER
Thermostat
HOLDRESET FILTER
RESET FILTER BUTTON
RESTARTS THE TIMER
THAT CALCULATES
THE NEXT AIR FILTER
CHANGE OR CLEANING
HOLD BUTTON MAINTAINS
THE CURRENT TEMPERATURE
AND OVERRIDES PROGRAMMED
TEMPERATURE CHANGES
UNTIL RESET
SET TIME
BUTTON
FAN BUTTON CHOOSES
BETWEEN ON OR AUTO
FAN OPERATION
MODE BUTTON SELECTS
BETWEEN OFF, HEAT,
COOL, AND AUTO
OPERATION
PROGRAM BUTTONS
FOR PROGRAMMING
HEATING/COOLING
CYCLES
UP AND DOWN
BUTTONS INCREASE
OR DECREASE THE
DESIRED TEMPERATURE
SETTINGS
LCD READOUT DISPLAYS
CURRENT ROOM TEMPERATURE,
DESIRED ROOM TEMPERATURE
OR OUTDOOR TEMPERATURE,
UNIT MODE SETTING,
FAN MODE SETTING,
AND TIME OF DAY
Programmable
Thermostat
HOLDRESET FILTER
SET TIME/TEMP
FAN
END
CHANGE DAY
MODE
PROGRAM
COPY PREVIOUS DAY
Fig. 2—Typical Carrier Non-Programmable Thermostat
Fig. 3—Typical Carrier Programmable Thermostat