Mitsubishi Heavy Industries 112KXE6, Service Manual, Page: 13 / 209

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11
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(b) Cooling
→
Heating
(i) Start conditions
• When the outdoor unit operation mode is changed from the cooling operation to heating operation
(ii) Control contents
1) When the compressor is operating, it makes the compressor stopped.
2) Each functional component operates according to the sequence shown below.
(iii) End conditions
• End of sequence
• Meaning of marks
CM
Heating
15 seconds 3 minutes
Initial speed
Normal control Initial opening
Cooling
Any state
FMo1, FMo2
20S
EEVH
EEVSC
OFF
Fully open
Fully closed
Fully closed
Time
Start conditions established
OFF
ON
Any state
Any state
CM Compressor EEVH Heating electronic expansion valve
FMo1, FMo2 Fan motor EEVSC Subcooling coil electronic expansion valve
20S 4-way solenoid valve ― ―――