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 (SUB)PCB2
(WH)
U(RD)
W(BK)
V(WH)
Position of compressor terminals
◆
Check point of outdoor unit
'22 • PAC-SM-412
-
49
-