Mitsubishi SRC92ZL-S

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37
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'12 • SRK-T-130
'09•SRK-DB-087D
(b) Frost prevention control
(i) Operating conditions
(ii)
(iii)
Detail of anti-frost operation
Reset conditions:
Indoor heat exchanger
temperature (ºC)
2.5 5 8
0 rps
Lower
limit
speed
compressor
command
speed
(c) Cooling overload protective control
Operating conditions:
Detail of operation
Reset conditions:
(d) Cooling high pressure control
Purpose:
Detector:
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 20 rps
(Example) Fuzzy
Indoor heat exchanger
temperature
Item
5°C or lower 2.5°C or lower
Lower limit of compressor command speed
Indoor fan
Outdoor fan
4-way valve
Item
SRK80ZL-S
Outdoor air temperature
Lower limit speed
Model
1)
2)
1)
2)
1)
2)
more, or 47ºC or more with the compressor running, the lower limit
The lower limit of compressor command speed is set to 20 or 25 rps and even if the calculated result becomes lower than
that after fuzzy calculation, the speed is kept to 20 or 25 rps. However, when the thermo becomes OFF, the speed is
reduced to 0 rps.
60
60
20
16
20 25
2
8
(i)
(ii)
(iii)
(i)
(ii)
(iii)
2) When this control has continued for more than 30 minutes continuously, the following wind direction control is per-
formed.
a) When the vertical wind direction is set at other than the vertical swing, the aps change to the horizontal position.
b) When the horizontal wind direction is set at other than the horizontal swing, the louver changes to the vertical po
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sition.
(iii) Resetting condition:
When any of followings is met
1) Compressor’s command speed is less than 20 rps.
2) Detected value of humidity is less than 63%.