Srk-T - Mitsubishi SRK20ZSX-W Technical Manual

Item
Upper limit of
compressor's speed
ULO
Indoor fan
Upper limit of
compressor's speed
LO
Indoor fan
Upper limit of
compressor's speed
MED
Indoor fan
Upper limit of
compressor's speed
HI
Indoor fan
Upper limit of
compressor's speed
AUTO
Indoor fan
Note(1) Ranges A, B and C are as shown below.
Range B
Range A
2) When this control has continued for more than 30 minutes continuously,the following wind direction control is performed
(except for range A of SRK50, 60).
a) When the vertical wind direction is set at other than the vertical swing,the flaps 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 position.
(iii) Reset condition
Humidity is less than 63% (models SRK50, 60 : 55%).
(b) Frost prevention control
(i) Operating conditions
1)
2)
(ii) Detail of anti-frost operation
Indoor heat exchanger
Item
Lower limit of compressor command speed
Indoor fan
Outdoor fan
4-way valve
(iii) Reset conditions
1)
2)
(c) Cooling overload protective control
(i) Operating conditions
When the outdoor air temperature (models SRK20, 25, 35 : TH3 ; models SRK50, 60 : TH2) has become continuously
for 30 seconds at 38°C or more, or 41°C or more, or 47ºC or more with the compressor running, the lower limit speed
of compressor is brought up.
Model
Range A:50rps, Range B:50rps,
Range C:24rps
Range A:Adaptable to compressor speed
Range B, Range C:4th speed
Range A:50rps, Range B:50rps,
Range C:24rps
Adaptable to compressor speed
Range A:50rps, Range B:50rps,
Range C:30rps
Adaptable to compressor speed
Range A:70rps, Range B:50rps,
Range C:30rps
Adaptable to compressor speed
Range A:50rps, Range B:50rps,
Range C:30rps
Adaptable to compressor speed
Range C
60 68 73
Humidity(%)
temperature 5°C or lower
Depends on compressor speed
-
SRK50
Range A:50rps, Range B:50rps,
Range C:24rps
Range A:Adaptable to compressor speed
Range B, Range C:4th speed
Range A:50rps, Range B:50rps,
Range C:24rps
Adaptable to compressor speed
Range A:50rps, Range B:50rps,
Range C:30rps
Adaptable to compressor speed
Range A:80rps, Range B:50rps,
Range C:30rps
Adaptable to compressor speed
Range A:50rps, Range B:50rps,
Range C:30rps
Adaptable to compressor speed
2.5°C or lower
Keep the fan speed before
frost prevention control
2.5–5
5–8
74
-
'18 • SRK-T-234
SRK60
'09•SRK-DB-087D
compressor
speed
Lower
limit
speed
0 rps
2.5 5
Indoor heat exchanger
temperature (°C)
8