Mitsubishi SRK20ZSX-W Technical Manual page 82

(r) 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 5 minutes:
Operation mode
Cooling
Heating
Notes (1) Except that the fan speed is HI in heating operation and silent mode control.
*
(2) = 3 (models SRK20, 25, 35),
(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 3 times within 60 minutes.
(iii) Reset condition
When the compressor has been turned OFF.
A Compressor speed (N)
5 40 N
*
40 N (TH
(2)
8
(1)
*
60 N (TH
(2)
*
= 2 (models SRK50, 60)
80
-
Room temperature (Th1)
10 Th1 40
0 Th1 40
-
'18 • SRK-T-234
Room temperature (Th1)/
Indoor heat exchanger temperature (Th2)
Th1−4<Th2
Th2<Th1+6