Compressor Overheat Protection - Mitsubishi Heavy Industries SCM50ZS-W Service Manual

(9) Compressor overheat protection

(a) Purpose
(b) Detail of operation
(i)
(Example) Fuzzy
Lower limit speed
(ii)
(10) Current safe
(a) Purpose
(b) Detail of operation
(c) Current safe control value
Set this using the jumper wire (J1 or J2) on the outdoor unit main PCB. Control starts when it exceeds the control value.
(i) Switching with jumper wire
Jumper wire (J1)
95
Discharge pipe temperature (˚C)
95 105
95 105
Cooling Heating
20 rps 20 rps
115
Short-circuit (At shipping from factory)
Open
Tho-D
3 minutes
3 minutes
3 minutes
105
105 115
Jumper wire (J2)
Short-circuit
(At shipping from factory)
Current safe ①
Current safe ③
71
- -
'19 • SCM-SM-281
115
3 minutes
3 minutes
Short-circuit
Current safe ②
Current safe ③