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Mitsubishi FDT125VNPWVH - Page 50

Mitsubishi FDT125VNPWVH
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Model FDC125VNP-W
RD
Yellow/GreenYG
BlueBL
BlackBK
YellowYE
WhiteWH
Red
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
Inspection power transistor
Remove the faston terminal and test output voltage
Inspection of outdoor fan motor
(Refer to page 90.)
Power source and serial signal inspection
1 to 2/N :AC220/230/240V
2/N to 3 : Normal if the voltage oscillates between DC 0 and approx. 20V
L to N : AC 220/230/240V
U
M
BK
WH
RD
V
W
PCB ASSY PCB1
M
BK
MS
TRANSISTOR
POWER
POWER
T 1A L 250V
CM
FMo
W
V
UP
N
CNTH CNEEV
CNFAN
3
S.IN
R.IN
G2
N
L
T 20A E 250V
F4
2
N
YG
C-2
RD
TB1
TB2
t
YG
CN20S WH
WH
WH
F 3.15A L 250V
F1
BK
1
3
BK
WH
YG
RD
G3
20S
YG
BK
SWITCHING
CIRCUIT
250V 20A
F8
++
t
t
CIRCUIT
PAM
CIRCUIT
PAM
YE
BL
T1
T11
T2
T12
YE
BL
F3
L1
L2
EEV
TH1 TH2 TH3
BLOCK
TERMINAL
BLOCK
TERMINAL
2 2 2
T 8A
F5
L 250V
BK
6
4
3
2
1
31
S-2
R-1
S-1
BK
WH
S0
R0
PCB ASSY SUBPCB2
WH
URD
WBK
VWH
Position of compressor terminals
Check point of outdoor unit
'22 • PAC-SM-412
-
49
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