Mitsubishi Heavy Industries SCM50ZS-S1 - Compressor Overheat Protection; Current Safe

(c) Current safe control value
Set this using the jumper wire (J1 or J2) on the outdoor PCB. Control starts when it exceeds the control value.
1) Switching with jumper wire
Jumper wire (J2)
Short-circuit
(At shipping from factory)
Short-circuit
Jumper wire (J1)
Short-circuit (At shipping from factory) Current safe
①
Current safe
②
Open Current safe
③
Current safe
③
(ii)
(ii)
(i)
(11)
Current safe
(a) Purpose
(b) Detail of operation
Cooling Heating
Lower limit speed
Item
Model
115
SCM40, 45, 50
SCM60, 71, 80
32 rps 32 rps
32 rps25 rps
SCM100, 125
22 rps20 rps
2) Control value
Model
Current safe
①
Current safe
②
Current safe
③
Cooling Heating Cooling Heating Cooling Heating
SCM50
10.0 12.0 10.0 10.0 7.5 7.5
SCM60
11.0 14.0 10.0 10.0 7.5 7.5
Unit: A
(10) Compressor overheat protection
(a) Purpose
(b) Detail of operation
(i)
Discharge pipe temperature (˚C)
(Example) Fuzzy
95 105 115
3 minutes
3 minutes
3 minutes
105
115
95
105
95
105
3 minutes
3 minutes
Tho-D
(4) Lower limit speed
(ii)
(ii)
(i)
(11) Current safe
(a) Purpose
(b) Detail of operation
Cooling Heating
Lower limit speed
Item
Model
115
SCM40, 45, 50
SCM60, 71, 80
32 rps 32 rps
32 rps25 rps
SCM100, 125
22 rps20 rps
Item
Model
Cooling Heating
Lower limit speed
SCM50
32 rps 32 rps
SCM60
25 rps 32 rps
-
190
-
'18 • SCM-T-251