'09•SRK-DB-087D
(e) Cooling low outdoor air temperature protective control
(i) Operating conditions:
(ii) Detail of operation:
C DA B
OFF
Upper limit 60 rps
Lower limit 40 rps
ON
ON
Upper limit 75 rps
Lower limit 30 rps
Outdoor air temperature ( °C )
(iii) Reset conditions:
First time
After the
second times
Outdoor air temperature (˚C)
A B C D
1)
2)
1)
2)
40 (30) rps, the speed is kept to 40 (30) rps. However, when the thermo OFF,the speed is
40
than
60 75
60 75
C
becomes
'09•SRK-DB-087D
(f) Heating high pressure control
(i) Purpose:
(ii) Detector:
(iii) Detail of operation:
A
B
C D
Indoor heat exchanger temperature (°C)
4rps
(1)
8rps
(2)
8rps
(2)
4rps
(1)
0rps
After lapse of 20 sec. or over
(3)
After lapse of 20 sec. or over
(3)
After lapse of 20 sec. or over
(3)
lower limit
speed 30 rps
(Example) Fuzzy
Temperature list
A B C D
RPSmin < 90
RPSmin < 108
108
<
=
RPSmin
45
52 57
44 ~ 43 48 ~ 45 52 ~ 48 51.5
90
<
45 ~ 44 52 ~ 48 57 ~ 52 56.5