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0
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'11 • SCM-SM-110
1.8
ޓ
Protective control function
(1) Frost prevention control
(a) Operating conditions
(b) Detail of anti-frost operation
(c) Reset conditions:
Indoor heat exchanger
temperature (ºC)
2.5
8
(2) Cooling overload protective control
(a) Operating conditions:
Operation mode
Item
Protective control
Reset
Compressor operation
Indoor fan
Item
SCM40, 45ZJ-S, 50, 60, 71, 80ZJ-S1
Outdoor air temperature
Lower limit speed
Model
Item
SCM100, 125ZJ-S1
Outdoor air temperature
Lower limit speed
Model
Forced outage
Operation instruction
Depends on operation mode
8
2.5
Reset
Protective
control
40
41
46
47
OFF
ON1
ON2
Outdoor air temperature ( )
C
º
25
31
Tho-A
(b) Detail of operation
(c) Reset conditions:
(3) Cooling high pressure control
(a) Purpose:
(b) Detector:
(c) Detail of operation:
53
58
60
Outdoor heat exchanger temperature (°C)
8rps
(1)
8rps
(1)
0rps
After lapse of 30 sec. or over
(3)
After lapse of 30 sec. or over
(3)
After lapse of 30 sec. or over
(3)
lower limit
speed 30 rps
(Example) Fuzzy
Tho-R
60
8
20
60
Note (1) Values in ( ) are for the model SCM100, 125ZJ-S1.
30 (25) 40 (31)
30 (25) 40 (31)
thermo becomes OFF, the speed
is reduced to 0 rps.
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Model SCM40, 45, 50, 60, 71, 80
