Cool Operation - Mitsubishi Electric PK-2.5FLD Technical & Service Manual

2. COOL operation

COOL operation
<Note 5>
YES
Compressor
thermostat ON
NO
Allowance release
Note5. The thermostat is continuously ON during the test run.
Note6. Refer to page 20 for coil frost protection.
Note7. Range A : The pipe temperature is more than 5 degrees above room temperature.
Range B : The pipe temperature is within 5 degrees either way of room temperature.
Range C : The pipe temperature is more than 5 degrees below room temperature.
YES
3 min. delay
NO
YES
6-minute
time delay
NO
NO
Compressor start
3 minutes elapse
YES
<Note 6>
YES
Coil frost
protection
NO
<Note 7>
NO
Range C
YES
NO
Compressor
start 10 minutes
elapse
Allowance release
Coil frost
prevention
NO
NO
Compressor
start 16 minutes
elapse
YES
Pipe
YES
temperature
1°C or below
NO
Compressor ON
1
Allowance
6-minute time delay
Allowance set
Pipe
NO
temperature
10°C or below
YES
3-minute time delay
Coil frost
prevention release
Coil frost
prevention set
Compressor OFF
18
YES
NO
NO
Continue
1 minute
YES
Fan speed LOW
NO
Fan speed LOW
5 minutes elapse
YES
Outdoor unit abnormality
check mode
Coil frost
protection
check mode