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Mitsubishi SRK20ZSX-W User Manual

Mitsubishi SRK20ZSX-W
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Page #103 background imageLoading...
Page #103 background image
'18 • SRK-T-234
-
101
-
2 2 2
2 2 2
2 2 2
22 22 22
2
Models SRC50ZSX-W, 60ZSX-W
CAUTION
-
HIGH VOLTAGE
High voltage is produced in the control box. Don't touch
electrical parts in the control box for 5 minutes after the
unit is stopped.
Inspection of electronic
expansion valve
See page 102.
Inspection of resistance valve of sensor
Remove the connector and check the resistance valve.
See the section of sensor characteristics on page 92.
Power source and serial signal inspection
L to N : AC220/230/240V
1 to 2/N : AC220/230/240V
2/N to 3 : Normal if the voltage oscillates between
DC0 and approx. 20V
Inspection power transistor
Remove the fasten terminal and test
output voltage
Inspection of outdoor fan motor
See page 102.
Check point of outdoor unit
Color
Color symbol
RD
Mark
YellowGreenYG
BlackBK
BlueBL
YellowYE
WhiteWH
Red
Display Voltage range
Voltage check in PCB
The normal range is as follows.
DC280V DC230V - DC310V
DC 20V DC 18V - DC 22V
DC 13V DC 12V - DC 14V
DC 15V DC 14V - DC 16V
DC 5V DC 4V - DC 6V
DC 2.5V DC 2.3V - DC 2.5V
M
T1
WH
BK
RD
V WU
M
CNTH
CNEEV
CNFAN
1 2 3 4 6
t
L1
YE
T2YE
2 2 2
TH1 TH2 TH3
EEV
FMo
t
t
MS
CM
3
BR
OR
RD
BL
WH
T11
L2
BL
T12BL
WH
BK
WH
N
L
250V 20A
FUSE
2
1
N
3
YG
YG
RD
RD
20S
TB1
TB2
TERMINAL
BLOCK
TERMINAL
BLOCK
WH
BK
Power source
1 Phase
AC200-240V 50Hz
Indoor
unit
Outdoor unit
R.IN
BK
S.IN
C-2
BK
CN20S

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Mitsubishi SRK20ZSX-W Specifications

General IconGeneral
BrandMitsubishi
ModelSRK20ZSX-W
CategoryAir Conditioner
LanguageEnglish

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