Mitsubishi Heavy Industries SRK60ZJX-S, Technical Manual

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'10 • SR-T-091
(o) Refrigeration cycle system protection
1) Starting conditions
a) When 5 minutes have elapsed after the compressor ON or the completion of the defrost control
b) Other than the defrost control
c) When, after meeting the conditions of a) and b) above, the compressor speed, indoor air temperature (Th1) and in-
door heat exchanger temperature (Th2) have met the conditions in the following table for 5 minutes:
Compressor speed (N) Operation mode
Cooling
Heating
Indoor air temperature (Th1)
Th1−4<Th2
Indoor air temperature (Th1)/
Indoor heat exchanger temperature (Th2)
Th2<Th1+6
50 N <
=
10 Th1 40 <
=
<
=
0 Th1 40 <
=
<
=
50 N <
=
2) Contents of control
a) When the conditions of 1) above are met, the compressor stops.
b) Error stop occurs when the compressor has stopped 3 times within 60 minutes.
3) Resetting condition
When the compressor has been turned OFF