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311
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'12 • PAC-T-173
(4) Timer operation
(a) Timer
Set the duration of time from the present to the time to turn off the air-conditioner.
It can be selected from 10 steps in the range from “OFF 1 hour later” to “OFF 10 hours later”. After the clock timer
setting, the remaining time is displayed with progress of time in the unit of hour.
(b) OFF timer
Time to turn OFF the air-conditioner can be set in the unit of 10 minutes.
(c) ON timer
Time to turn ON the air-conditioner can be set. Indoor temperature can be set simultaneously.
(d) Weekly timer
Timer operation (ON timer, OFF timer) can be set up to 4 times a day for each weekday.
(e) Timer operations which can be set in combination
Timer
OFF timer
ON timer
Weekly timer
Timer
OFF timer
ON timer
Weekly timer
Note (1) : Allowed : Not
Item
Item
(5) Remote controller display during the operation stop
When the operation is stopped (the power supply is turned ON), it displays preferentially the “Room temperature”, “Center/
Remote”, “Filter sign”, “Inspection” and “Timer operation”.
(6) Outline of heating or cooling operation
(a) Operation of major functional components in heating mode
ON OFF
ON ON
ON
OFF
ON ON(HOT KEEP)
OFF
OFF
(3 minutes ON)
OFF
OFF
Thermostat ON Thermostat OFF Failure
Heating
Compressor
Indoor fan motor
Outdoor fan motor
4-way valve
(b) Operation of major functional components in Cooling mode
ON OFF OFF
OFF OFF OFF
ON
OFF
OFF
(few minutes ON)
ON ON OFF
Thermostat ON Thermostat OFF Failure
Cooling
Compressor
Indoor fan motor
Outdoor fan motor
4-way valve
(7) Frost prevention control
(a) Operating conditions
1)
More than 8 minutes after starting the compressor.
2)
Indoor heat exchanger temperature (detected with Th2) is lower than 2.5
℃
.
(b) Contents of frosting operation
During this control Reset
Compressor ON/OFF command Forced stop Operation command
Indoor fan motor
Depending on the airflow setting with the remote
controller
(c) Resetting condition: Indoor heat exchanger temperature (Th2) is higher than 8
℃
.
Indoor heat exchanger temperature (℃)
2.5 8
During
control
Reset
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