Heat Controller Comfort-Aire BHD-501-D User manual

Dehumidifier
Service Manual
CAUTION
-Beforeservicingtheunit,readthe"safetyprecautions"inthismanual.
-Onlyforauthorizedservicepersonnel.
HEAT CONTROLLER, INC.
MODEL: BHD-501-D

*NOTE:Specifications are subject to minor change without notice for further improvement.
CAPACITY(Pints/24hrs)50
POWER SUPPLY(Phase,V,Hz) 1Ø, 115V,60Hz
INPUT(W)560
RUNNING CURRENT(A)5.4
ENERGY FACTOR(L/kw.h)1.75
REFRIGERANT
REFRIGERANT CHARGE, oz(g)9.17(260)
THERMISTOR OPEN 33.8˚F(1±0.5°C)
CLOSE 50˚F(10±0.5°C)
SOLENOID VALVE
Using Temp/Humid.:-4~122˚F(-20~50°C)/95%RH
Rating:7W/90mA
COMPRESSOR MODEL No.QA075CBD
PROTECTOR OVERLOAD PROTECTOR FOR COMPRESSOR
INTERNAL PROTECTOR(FUSE)FOR MOTOR
CAPACITOR
MOTOR ASSEMBLY,SINGLE
SWITCH ASSEMBLY,MICRO 15A/250VAC
OUTSIDED MENSIONS WxHxD,mm(in) 385X540X340(15 5/32 x 21 1/4 x 13 3/8)
NET WEIGHT,kg(lbs)20.4(44.9)
MODELS
ITEMS BHD-501-D
35µF,270VAC
Shaded pole motor,72W/1.4A,Thermal cutoff:266°FV/130°C
R22
2Dehumidifier
Copyright 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes.
LGE Internal Use Only
C
1. Model Name
1. Specification

Service Manual 3
2. Piping Diagrams
Equipment needed: Vacuum pump, charging cylinder, manifold gauge, brazing equipment. pinch-off tool capable
of making a vapor-proof seal, leak detector, tubing cutter, hand tools to remove components, service valve.
B
A
COMPRESSOR
COMPOUND GAUGE
MANIFOLD
GAUGE
SEE INSETS
BELOW
EXTERNAL
VACUUM PUMP
CHARGING
CYLINDER
HILOW
A
BA
B
C
CONDENSER ASSEMBLY
(HIGH PRESSURE SIDE)
EVAPORATOR ASSEMBLY
(LOW PRESSURE SIDE)
CAPILLARY
TUBE
Figure A-Pulling VacuumFigure B-Charging

4Dehumidifier
3. Wiring Diagrams
RY-WORK
• MODEL : BHD-501-D
CN-DISP
RY-COMP
CN-N1
CN-N2
CN-SEN
CN-FAN
WIRING DIAGRAM
3854A20240247Z
MAIN PCB
CN-FAN
CN-AC1
RY-COMP
OL
-
Y
R
I
H
-
Y
R
FUSE 250V T3.15A
POWER
SMPS
CN-AC2 CN-SEN
P
S
I
D
-
N
C
HUMIDITY
SENSOR
THERMISTOR
B.
C
.
PYALP
S
ID
BUCKET
S/W
4 3
BL
BR
RD
WH(BL) (N)
BK(BR) (L)
K
B
BK(HI)
RD(LOW)
OR(COM)
MOTOR
R
C
S
O.L.P
COMP.
GN/YL
GN/YL
R
O
T
I
C
A
P
A
C
C
H
F
C
WH
YL
R
O
T
I
C
A
P
A
C

— —
Service Manual 5
• MODEL:BHD-501-D
W0CZZ-2
165010
268711-2
264110
249950
35211A
352113
552111
567502
554160
550140
354210
554030
135312
131400
148391 144410
752140
152302
436500
130410
235512
266010
238310
435300
330870
W0CZZ
349600
149980
346811
359012
268711-1
4.Exploded View

Specifications and performance data subject to change without notice.
HEAT CONTROLLER, INC.
1900 WELLWORTH AVENUE • JACKSON, MICHIGAN 49203
THE QUALITY LEADER IN CONDITIONING AIR
P/No.:MFL38891309