7.3.3
ࠉ
Protective control function
(1) Cooling overload protective control
(a) Operating conditions:
Item
SCM71, 80ZM-S1
Outdoor air temperature
Lower limit speed
Model
40
41
46
47
OFF
ON1
ON2
Outdoor air temperature ( )
C
º
Tho-A
(b) Detail of operation
(c) Reset conditions:
(2) Cooling high pressure control
(i) Purpose:
(ii) Detector:
(iii) 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
30
40
30 40
thermo OFF, the speed is reduced
to 0 rps.
(a) Models SCM71, 80
(i)
(ii)
-
195
-
'17 • SCM-T-225
