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CS-PW18CKE CU-PW18CKE
8.4.
Heating Mode Operation
• • • • Heating in operation according to Remote Control setting.
Time Delay Safety Control
• • • • When the compressor is stopped by Power Switch, Remote Control or there is a power failure, it restarts after 3 minutes when
the Power Switch, Remote Control is turned ON or the power supply is resumed.
• • • • When the setting temperature is reached during heating operation, the compressor stops and it will not start for 4 minutes.
Overload Protection Control
(a) Outdoor Fan Control
• • • • If the temperature of the Outdoor Heat Exchanger less than -3°C, Outdoor Fan is ON. The Outdoor Fan stop, when Outdoor
Heat Exchanger temperature is T
The Outdoor Fan restarts when the indoor heat exchanger temperature falls to 49°C.
During starting of Heating mode and after deice, Outdoor Fan ON for 90 sec. (Hi).
(b) Compressor High Pressure Control
• • • • If the indoor heat exchanger becomes 68°C or more, the compressor will stop and restart automatically.
(Time Delay Safety Control - 4 minutes waiting).
4-way Valve Control
• • • • 4-way valve ON during Heating operation, except deicing operation.
• • • • When the unit is switched to "OFF" during Heating operation, 4-way valve stays at Heating position for 5 minutes.
Hot Start Control
When Heating operation starts, Indoor Fan will not start until the indoor heat exchanger reaches 30°C as diagram shown.
Hot Start is completed when indoor heat exchanger reaches 42°C.
Maximum Hot start duration = 4 minutes. After 4 minutes,
Hot start operation will be shifted to normal Heating operation.
or more according to Outdoor Air Temperature region as table below:
b
18
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