Mitsubishi SRK10YJV-S, Техническое руководство и список запасных частей

Страница: 49 / 69

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47
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Color
RD
Mark
Orange OR
Yellow
／
Green Y
／
G
Black BK
Yellow Y
White WH
Red
（
BK
）
C-2
G1
（
RD
）
（
Y
／
G
）
S.IN
（
WH
）
R.IN
（
BK
）
（
WH
）
（
RD
）
PWB ASSY
250V 20A
F2
F3 250V 1A
F4
250V 10A
F1
25
0V
2A
CIRCUIT
PAM
SWITCHING POWER
CIRCUIT
NW
NV
NU
P
W
V
U
TRANSISTOR
POWER
W
V
U
FILTER
NOISE
CNTH CNEEV
CNFAN
M
M
3
～
250V 15A
（
Y
／
G
）
T1 T2
（
OR
）
（
Y
）
M
t
゜
TH1 TH2 TH3
EEV
FMo
CM
t
゜
t
゜
t
゜
L
N
1
3
2
T
◆
Inspection of resistance value of sensor
Remove the connector and check the resistance value.
See the section of sensor characteristics on page 41.
◆
Inspection power transistor
Remove the fasten terminal and test output voltage
◆
Inspection of electronic expansion valve
See page 48.
◆
Inspection of outdoor fan motor
See page 48.
◆
Check point of outdoor unit
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.
Color symbol
Indoor unit
Power source
1 Phase
220V 50Hz
Outdoor unit
◆
Power source and serial signal inspection
1 to 2 : AC 220V
2 to 3 : Normal if the voltage oscillates between DC 0 and approx. 20V
(11)
Outdoor unit inspection points Models SRK10YJV-S, 13YJV-S