LG GHD30 User manual

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Dehumidifier
SERVICE MANUAL
MODELS: GHD30
LHD45EL
LHD65EL
CAUTION
- BEFORE SERVICING THE UNIT,
READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
- ONLY FOR AUTHORIZED SERVICE.

СОМТЕМТ5
1. РВЕЕАСЕ
Т SAFETY PRECAUTIONS ора ቻሮ ጋሕ 󰌂።ሀ ei ን ም ም 3
1.2 FEATURES AND DIMENSIONS............ ката ыда ына на 󰌂 ን ን. ከ) 3
ТОЛЕЕАТОВЕб አሽሉ... ы шш Жышай ааа 3
ו󰾯 3
0 4
8 5
0 а 5
А2: ЕГЕОТКОМІЕ ТУВЕ не Нн енн 5
1.5 HOW TO יוב יבורב󰾯 - 0... [2 6
1.5.1 HOW DOES THE DEHUMIDIFIER WORK?.............. шиини шшш ининин ншнен не 6
1.5.2 LOCATION FOR THE ОЕНИМЇО1ЕЇЕН................ии иннин нинин ‚иннин ннн 6
1:5:3 MİCRO SWITCH ЕКЕНІ Ты 6
1.5.4 AUTO סה󰾯 оған ен ерен ቸውም ን ሐም ннн ннн 6
1:5:5 HUMIDITY CONTROLLER 0 0ሙችንን።󰌂ንፕ፣..󰌂ንሇያፕ haqa Qatana an ረ 7
2. CIRCUIT DIAGRAM.......... ссеехои бы тыла рты ያን во ана 8
3. DISASSEMBLY INSTRUCTIONS
SAME CHANICAL: PART S ንዓ, ቸችዱ ማዎችን የሰን ከን. Dau q aha aa a 10
1 ВОСКЕТАНВАЈЊЕ ЕТЕР сыны ነ ን ከን ገለቱ መ በ қылы 10
3.1.2 FRONT CASE AND TOP COVFER........... በለት ዋው አበር ቦችን танмен Ыб ጆስ на 10
3.1.3 CABINET AND CONTROL BOX ከይስ ከጅ ን ሌን መከ ከ ም ሌን ንን ከ 10
32 СОМТВОЁРАВТ заманды оданда ቬና ከሪ ነቱ. ም tte anton 11
3.2.1 POWER CORD ASSEMBLY.............. ና ነ ን ንን тыны ት ቅ ሽና 11
3.2.2 SENSOR ASSEMBLY....................... осы ጊደ ሚመር. 󰌂󰌂󰌂 11
3.2.3 PWB(PCB) ASSEMBLY, MAIN ከጸዱ 11
3.24 CAPACITOR L የይ መች ውች шадыр ana son pas ከም የደን Dato нарын anna Ова 11
3.2.5 MICRO SWITCH ASSEMBLY...................... Тыл ы адан а ааа ae ннн ннен 11
3.2.6 COIL ASSEMBLY, ӘӨБЕМОІВ ааа ንን ጠዳ ኤኔ ከሽ ው ከሱ ን ከ) 12
927 CONTROL PANEL ወርች ሽንሽን ጃን ን ንንን በ тылдың 12
328FANANDIMOTGR сысы ጤው. ኩታ. ከ. መ... as 13
ЗӨ DRAIN РАМ ከበን ንንን. ከን "ንት A ሱቱ እነይ алын дыз 13
3.3 REFRIGERATING CYCLE оман тиан || 14
3.3.1 CONDENSER, EVAPORATOR AND CAPILLARY TUBE Шыт 14
2:92 ROTARY COMPRESSOR u na 生生 14
3.4 HOW ТО REPLACE REFRIGERATION SYSTEM ини 15
4. TROUBLESHOOTING СШ ОЕ. нина 17
Э EXPLODED VES ሸሸች ም” ቦን ነነ ነንን адр 19
6. REPLACEMENT PARTS .זפ󰾯 ከ дақққй 22
9-_

1. РВЕЕАСЕ
This Service Manual provides various service information, including the mechanical and electrical parts.
This dehumidifier was manufactured and assembled under the strict quality control procedures.
The refrigerant is charged at the factory. Be sure to read the safety precaution prior to servicing the unit.
1.1 SAFETY PRECAUTIONS
* Disconnect the power supply before servicing or replacing any component.
“ Do not cut off the grounding prong or alter the plug in any manner.
1.2 FEATURES AND DIMENSIONS
1.2.1 FEATURES
* Quiet operation
* High efficiency
* Adjustable humidistat
* Automatic defrost
* Automatic shut-off
* Bucket-full indicator light
* Easy roll casters
* Removable & large capacity bucket.
* Washable air filter
* Two-speed fan
e Drain hose connection.
* Low temperature operation (LHD45ELY6/LHD65ELY6)
1.2.2 DIMENSIONS (ттлп)
385 (15 5/32) 340 (13 38)
—
=
=
N
ሠ
ፎጋ
=ታ
LO
Figure 1
= e

1.3 SPECIFICATIONS
MODELS
LHD45ELY6 LHD65ELY6
CAPACITY(Pints/24hrs) 45
POWER SUPPLY(Phase,V,Hz) 10, 115V,60Hz
INPUT(W) 560
RUNNING CURRENT(A) \ 4
ENERGY FACTOR(L/kw.h) 1.56
REFRIGERANT R22
REFRIGERANT CHARGE, 02)0( 3.70(105) 7.93(195) 8.46(240)
THERMISTOR OPEN 33.8°Е(1+0.5°С)
CLOSE 507Ғ(10-0.5%С)
SOLENOID VALVE Using Temp/Humid.:-4~122°F(-20~50°C)/95%RH |
Rating:7W/90mA
COMPRESSOR MODEL No. QS064CAB QA075CDB QA114CBD
PROTECTOR OVERLOAD PROTECTOR FOR COMPRESSOR
INTERNAL PROTECTOR(FUSE)FOR MOTOR
CAPACITOR 35uF,270VAC 35uF,270VAC 35uF,270VAC
MOTOR ASSEMBLY SINGLE Shaded pole molor, ДЇ 4A Thermal КАН Shaded pole motor, TAN А, Thermal ДЕД Shaded pole motor, BIWI. ВА Thermal одо РАС
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(Ibs) 17.6(38.9) 20.4(44.9) 22.2(48.9)
*NOTE: Specifications are subject to minor change without notice for further improvement.

1.4 CONTROL ТҮРЕ
1.4.1 Mechanical type
1
Auto
Shut-Off
Off Max
Humidity Control
High
Goldstar
=Low
Fan Speed
Figure 2
Humidity Control
* When you first use the dehumidifier, turn the humidity
control to 5 or 6. If you still have moisture, turn the
humidity control to a higher setting.
MAX is the highest setting.
* When excess moisture and dampness odors аге
gone, adjust the control to a lower setting. Use the
dehumidifier as long as excess moisture is present.
Auto Shut-Off
* This light glows when the bucket is full, or when
the bucket is removed or not placed in the proper
position. In these cases the Water Level Control
Switch shuts off the dehumidifier.
* When the light glows, check the bucket condition.
1.4.2 Electronic type
Fan Speed
“Тһе fan control adjusts the fan speed.
Set the fan control to HIGH for maximum moisture
removal. When the humidity has been reduced and
quiet operation is preferred, set the fan control to
LOW.
Humlatty
Control
658527 Puo
十
о | 9
Auto Restart
Figure 3
Fan Speed
* This controls the speed of the airflow.
• High: Fan speed is set to high.
* Low: Fan speed is set to low.
* When Fan Speed button is pressed, the fan speed
mode is changed.
Timer
* Press this button to select type of operation.
* Select continuous On for uninterrupted operation.
* Select either 2 or 4 hr. On/Off for cycled operation:
The unit will operate for 2 or 4 hours, and then shut
off completely for 2 or 4 hours.
The cycle repeats until you change the setting.
“When Timer button is pressed, the Timer indicator
lights shift as follow from 2hr.On/Off to 4hr.On/Off.
ው
`
Bucket Full Indicator
• This light glows when the water bucket is full and needs
to be emptied.
Power
* Operation starts when this button is pressed and stops
when the button is pressed again.
Humidity Control
“ This button controls the humidity in the room.
* Press @ button to raise the humidity setting.
“Press ©) button to lower the humidity setting.
“Тһе humidity setting can be set to a permanent "On"
setting or to a specific humidity setting between 35% and
70% in 5% increments.
• "Оп" setting: Dehumidifier runs continuously regardless
of humidity condition.
" 35% - 70% setting: Dehumidifier runs on and off
according to surrounding humidity conditions.
Auto Restart
• Once power is restored after a power outage, the unit
returns to its previous operation setting after a 2 minute
delay.
The fan runs immediately when the power is restored.
— 5

1.5 HOW ТО OPERATE DEHUMIDIFIER
1.5.1 HOW DOES THE DEHUMIDIFIER WORK?
Moist, humid air is drawn over а cold refrigerated
dehumidifying coil. Moisture in the air condenses on this
coil and drains into a bucket (or through the bucket into a
hose and drain).
Dry, clean air is drawn over the condenser where it is
actually heated several degrees and discharged out the
rear grill into the room. (See Figure 4)
₪ /t is normal for the surrounding air to become
slightly warmer as the dehumidifier operates.
This warming effect further reduces the relative humidity
of the surrounding air.
1.5.2 LOCATION FOR THE DEHUMIDIFIER
Allow at least 12 inches of space on all sides of the
unit for good air circulation. (See Figure 5)
Ш The dehumidifier must be operated in an enclosed
area to be most effective.
Ш Close all doors, windows and other outside
openings to the room.
Place the dehumidifier in a location that does not
restrict air flow into the front grille or out the rear grille.
The operation of dehumidifier in a basement will have
little or no effect in drying an adjacent enclosed
storage area, such as a closet, unless there is
adequate circulation of air in and out of the area.
1.5.3 MICRO SWITCH
Condenser
Evaporator
Dry
Air Out
+ Rear Grille
1 Compressor
N
Side View Figure 4
Figure 5
The micro switch assembly, which is located on the drain pan of inside unit, automatically shuts off the dehumidifier when the
bucket is full (note, the Auto Shut Off lights, to indicate bucket must be emptied). The bucket replaces in its place, the unit again
turns itself on.
1.5.4 AUTO DEFROST
When frost builds up on the cooling coils, the unit will automatically cycle off until the frost disappears. The fan continues to run.
NOTE: The unit will not operate satisfactorily if the room temperature is below 65°F(18°C). If the dehumidifier is
operated in low temperature conditions frost can
form in the evaporator coil and the unit will cycle ОМ/ОҒҒ
repeatedly. In this case, please check your room temperature conditions and stop the unit.
NOTE: The low temperature operation feature in the BHD-501 and BHD-651 models will continuously cycle up to a
temperature of 42°F(6°C).
сво

1.5.5 HUMIDITY CONTROLLER
1.5.5.1 Mechanical Type
The humidity control can be set anywhere between Off and
Max for normal operation.
If you need more dehumidification, turn the Humidity Control
toward Max. If you need less dehumidification, turn the
Humidity Control toward Off.
The relative humidity range is from 20% to 80%. (See
Figure 6)
Turn the Humidity Control to Off to stop the unit manually.
1.5.5.2 Electronic Type
The humidity control can be set "оп" ог 35%-70%
RH(Relative Humidity) for normal operation. (See Figure 7)
זו󰾯 you need drier air, press the © Humidity Control button.
If you need moister air, press the ® Humidity Control
button.
Press the Power button to stop the unit manually.
. 7
High
е Low
Fan Speed
5(42%)
42% RH——
4
Auto Restart
Figure 6
Humidity
Control
中
©
Figure 7

2. CIRCUIT DIAGRAM
• MODEL : GHD30
ROCKER
SWITCH F MAIN PCB
BK
CN-SW(WH)
CN-DIS(BL)
BUCKET
FULL
3854A20247P
PART NO. QTY | RE
DESCRIPTION
GHD30 PER SET|MARKS
POWER
CORD
ASSEMBLY
112
9
SWITCH,
ROCKER
6600FX5001G
MOTOR
ASSEMBLY
4681A20040Q
CAPACITOR
0CZZA20005J
COMPRESSOR,
SET
2520UCBS005
OLP
6750U-L082A
PWB(PCB)
ASSEMBLY,
DISPLAY
6871A20289B
SENSOR
ASSEMBLY
6877A30013L
SWITCH
ASSEMBLY,
ROTARY
6601A30006A
SWITCH
ASSEMBLY,
MICRO
6600A30003C
PWB(PCB) ASSEMBLY, MAIN 6871A10142A
-< | A| — | | -2 | Ss | d, — | -А | -А| 一
0| AN 0|0|01|0|0|о0
ж 5: SERVICE PARTS А: ALTERNATE PARTS N: NOT SERVICE PARTS
—8—

“MODEL : LHD45ELY6/LHD65ELY6
cNSNALVE_MAIN PCB
rm
REVERSING [8
DISPLAY PC.B
FUSE 250V T3.15A
3854А20247.)
РАНТ МО.
LHD45ELY6 LHD65ELY6
POWER CORD ASSEMBLY 12
МОТОВ ASSEMBLY 4681 дА200400 4681 20040
САРАСТОВ 0CZZA20005J 0CZZA20005J
COMPRESSOR, SET 2520UCBA010 2520UCBA007
OLP. 6750U3LO01A 6750U-L048A
PWB(PCB) ASSEMBLY, DISPLAY 6871A20600B
SENSOR ASSEMBLY 6877A30013L
SWITCH ASSEMBLY, MICRO 6600A30003C
PWB(PCB) ASSEMBLY, MAIN 6871A20888C 1
1 COIL ASSEMBLY, SOLENOID 6421A20003K 1
ж 5: SERVICE PARTS A: ALTERNATE PARTS N: NOT SERVICE PARTS
DESCRIPTION
-
9 | | 4| ₪ | | + | |
©
DDN уо уо уо уо уо о

3. DISASSEMBLY INSTRUCTIONS
3.1 MECHANICAL PARTS
3.1.1 ВӘСКЕТ AND AIR FILTER
1.Turn the Humidity Control off(Mechanical type) or
press the power button off. (Electronic type)
2. Disconnect the power supply.
3. Remove the bucket. (See Figure 9)
4. Pull out the air filter.
(See Figure 10)
3.1.2 FRONT CASE AND REAR GRILLE
1. Remove 2 screws which fasten the front grille.
2. Pull the front grille forward and upward.
(See Figure 11)
3. Remove 6 screws that secure the rear grille.
4. Remove the rear grille. (See Figure 12)
Figure 11 Figure 12
3.1.3. CABINET AND CONTROL BOX
1. Remove the Bucket, the Air filter and Front grille
according to the procedure above.
2. Remove 1 screws that fasten Control box.
(See Figure 13)
3. Remove 9 screws on all sides of the cabinet.
4. Lift the Cabinet from the base.(See Figure 13)
5. Remove a screw fasten the earth wire on the inside
of control box.
6. Remove 1 screw that fasten control box and
unhook control box from hook on the shroud.
(See Figure 14)
Figure 13 Figure 14
一 10 一