Mitsubishi Heavy Industries SRK63ZR-WF Technical Manual page 54

3) Reset conditions
a)
b)
(s) Refrigeration cycle system protection
(i) Starting conditions
1)
When A minutes have elapsed after the compressor ON or the completion of the defrost operation
2)
Other than the defrost operation
3)
When, after satisfying the conditions of 1) and 2) above, the compressor speed, indoor air temperature (Th1) and
indoor heat exchanger temperature (Th2) have satisfied the conditions in the following table for B minutes:
Operation mode
Model 63
Cooling
Model 71, 80
Model 63
(1)
Heating
Model 71, 80
Note (1) Except that the fan speed is Hi in heating operation and silent mode control.
(ii) Contents of control
1)
When the conditions of (i) above are satisfied, the compressor stops.
2)
Error stop occurs when the compressor has stopped C times within 60 minutes.
(iii) Reset condition
When the compressor has been turned OFF
(t) Service valve (gas side) closing operation
(i) Starting conditions
1) Operation mode : Heating
2) Compressor conditions : OFF
(ii) Contents control
If the output current of inverter exceeds the specifications, it makes the compressor stopping.
(iii) Anomalous stop control
If the inverter output current value excceds the setting value within 80 seconds, the compressor stops.
2 at each 20 seconds
(model 63 : 3 ）
5
A Compressor speed (N) Room temperature (Th1)
40 N (TH2
3
40 N (TH2 10 Th1 40
3
40 N
40 N (TH2
8
60 N (TH2 0 Th1 40
5 40 N
ON
53
- -
8th (model71 : 7th)
'22 • SRK-T-362
Room temperature (Th1)/
Indoor heat exchanger temperature (Th2)
Th1−4<Th2
Th2<Th1+6
B C
1
3
4
1
5 2