Service manual
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Block
Indoor
Fan
Compressor and Outdoor Fan
LOW
ON 6minutes
BREEZE OFF 4minutes
LOW
ON 5minutes
BREEZE OFF 5minutes
LOW
ON 4minutes
BREEZE OFF 6minutes
A
B
C
Repeat on and off cycle.
10.7.3 Low room temperature protection:
When room temperature decreases to below 10
℃
, compressor and outdoor fan will stop(indoor fan is
Breeze). Dehumidifying operation will be resumed when room temperature restores to over 13
℃
.
10.7.4 At dehumidifying mode, the anti-freezing function of the indoor heat exchanger is the same as
that of cooling mode.
10.7.5 At dehumidifying mode, the action of fans of indoor is the same as that of air-only mode.
10.8 Heating mode
10.8.1 Generally, the 4-way valve is open in heating mode, but it is closed in defrosting mode. 4-way
valve must delay 2 minutes compared with compressor if the compressor changed into non-heating
mode or turned off. 4-way valve doesn't delay in dehumidifying mode
10.8.2 Generally, the outdoor fan is turned off with the on-off action of compressor in heating mode,
except for the defrosting mode or the end of defrost
10.8.3 Action of compressor and outdoor fan motor at heating mode: compressor must run for 7
minutes after starting and then judge temperature. Meanwhile other protections are still valid.
* This parameter can be changed from 0 to 3
10.8.4 Indoor Fan actions at heating mode
Indoor Fan can be set at HIGH/MID/LOW/AUTO by using a remote controller, but Anti-cold wind
function prevails.
Anti-cold wind control function at heating mode (T=indoor exchanger temp.)
Summary of Contents for MSG-07CRN2
Page 2: ......
Page 15: ...Service manual 11 5 Refrigerant cycle diagram Cooling only Heat pump mode...
Page 17: ...Service manual 13 7 Schematic diagram and Wiring diagram 7 1 Schematic diagram...
Page 21: ...Service manual 17 7 2 2 MSG 07HR MSG 09HR MSG 12HR...
