Fujitsu WPYA050LE - Wiring Diagram

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WIRING DIAGRAM
TROUBLESHOOTING GUIDE
COMPRESSOR
U
（R）
V
（S）
W
（T）
R
BL
R
B
WW
BB
BB
W
B
W(T) V(S) U(R)
7
6 5
OR
Y
※ ※
REACTOR
FUSE
250V
T3.15A
14
MOTOR
(FAN)
PUMP
13
EXP.V.
28
31
33
23
22
21 19 8
9
10
PCB(DISPLAY)
PCB
(CONTROLLER)
SENSOR(TEMP.,SUCTION) SENSOR(TEMP.,DEFROST) SENSOR(TEMP.,DISCHARGE) SENSOR(TEMP.,OUTDOOR) SENSOR(TEMP.,OUTGOING)
4WAYV.
DEFROSTHEATER HEATER
SENSOR(TEMP.,RETURN)
MODESW.
RESETSW.
PUMPSW.
:Notavailableforthemodel withoutdefrostheater
ON
OFF
Warningwhenyoufixelectriccomponents!
ElectricShock!
Don'ttouchelectricallychargedparts,aselectricshock mayoccureveniftheyareswitchedoff.
WARNING!
Donottouchanypartoftheelectriccircuit (includingthewiringofthermistorandothers), asithashighvoltageagainsttheground.
Payattentionnottodamagetheinsulatedwire whenyoutightenthescrew,astheexposedwire maycauseelectricshockormalfunction.
Donotgroundtheoscilloscopewhenyouoperate. Youmightdestroyit.Alsodonottouchanymetal partoftheoscilloscopewhileoperating.
Howtorelease lockingterminals(※)
Lever
Toreleasethe terminals(※), pressthelocking leverandpull.
Caution ElectricShock HighVoltage
R:RED G:GREEN
GR :GRAY OR :ORANGE Y:YELLOW
B:BLACK W:WHITE
BL:BLUE
COLOROFWIRE
B
W
B
W
R
W
B
GR
G/Y
G/Y
※ ※ ※ ※ ※ ※ ※ ※ ※
3 4
2 1
TERMINAL
BLOCK
N
L
POWER
1 2 3
Besuretowaitatleast5min.afterturningoffthepower andtoconfirmthevoltagebetweentheconnectorpins ofpumpconnector13[betweenwhite

andblack
]
islessthanDC10Vwithatesterbeforeservicing.