3-5
q
Press the MANUAL DEFROST
key.
w
Select "ON" indicated on the LED display using the
key or the
key, and press the
key to determine the setting, then the
defrost operation starts.
※
Once defrosting operation starts, the operation mode is not
changeable until the defrosting operation completes. If this key is
pressed during the defrosting operation, it is ineffective.
※
Defrosting will not start when the evaporator outlet temperature is
20˚C or higher or the inlet temperature is 5˚C or higher.
MANUAL
DEFROST
3.2.2 Operation mode and control
Operation mode
Operation
procedure
Function
Setting temperature
Chilled mode
Set the set point temperature at
+30 to –5.0˚C
(+86 to +23.0˚F).
Chilled mode operation is initiated.
Inside temperature is controlled
proportionally in modulation by the
supply air temperature sensor.
Evaporator fans run at high speed
Frozen mode
Set the set point temperature at
–5.1 to –30.0˚C (+22.8 to –22˚F).
Frozen mode operation is initiated.
Inside temperature is controlled by
cycling ON/OFF of compressor by the
return air temperature sensor.
Evaporator fans run at low speed
MANUAL
DEFROST
q
Indicate the temperature data required to be converted into "˚F"
on the LED or the LCD.
Press the
key, then the temperature data displayed in "˚C" is
converted into "˚F" for one minute.
※
If any other key is pressed during the "˚F" indication, the display
switches to "˚C".
DISPLAY
C
˚
F
˚
DISPLAY
C
˚
F
˚
LED
LCD
「℃」
display
「
°F
」
display
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