LG GR-K20SVZ User manual
MODEL: GR-K16SLQ
GR-K18SLQ
GR-K20SVZ
CAUTION! Before evaluating or servicing this product,
read the safety and operation rules in this manual.
Kimchi Storage
SVC Technical Manual
2
Safety Regulations
1. Make certain the storage does not present and electrical hazard.
2. Always unplug the storage before repairing it.
3. When testing the storage with the power on, use insulated gloves for safety.
4. Make certain instruments, such as a volt meter, are set for the appropriate
voltage range.
5. Do not allow water or moisture to get into the mechanical or electrical parts of the
storage.
6. Remove all foods, dishes, racks, etc. from the refrigerator before tilting it during
repairs to avoid spills.
7. Refer all repairs of the sealed system to an Authorized servicer who has the
appropriate refrigerant recovery equipment. Escaping refrigerant could cause injury,
pollute the air, or cause other environmental concern.
Contents
1. Safety Warnings and Cautions........................................................................... 3
2. Product Specifications........................................................................................ 6
3. Product Installation Method ............................................................................... 9
4. Circuit Diagram .................................................................................................. 10
5. MICOM Function and Description of Circuit ................................................... 14
6. Warnings for Disassembling Product.............................................................. 45
7. Exploded View and Part List............................................................................. 46
3
Safety Warnings and Cautions
Chapter 1
Chapter 1 Safety Warnings and Cautions
■Always observe SAFETY WARNINGS and CAUTIONS, which are intended to ensure safety while
repairing or operating the product.
■Hazards are separated into Warnings and Cautions, as explained below.
WARNING means a dangerous condition which could result in significant
damage, injury, or death if the instructions are NOT followed.
CAUTION means condition which could result in damage or injury if
instructions are not followed.
Warning
Caution
Warning
Use Caution to prevent electric shock.
• The control board (Main PCB) uses 310 V.
When replacing PCB parts, wait at least 3
minutes after unplugging. Always unplug the
storage before repairing.
Make sure that the power plug is not
pressed by the back of the storage.
• Power plug may be damaged and cause a fire
or electric shock.
Do not allow the consumer to repair,
disassemble, or modify the storage.
• There is a risk of damage, injury, electric
shock, or death.
Use a dedicated circuit.
• This storage should be installed on a dedicated
circuit. Overloading circuits or outlets could
cause a fire.
4
Safety Warnings and Cautions
Warning
This product should always be grounded.
• The product is equipped with a 3-wire
grounding cord which should be plugged into a
properly wired outlet. If you don't have the
proper outlet or are in doubt of the voltage or
grounding, we recommend consulting a
qualified electrician.
Do not store flammable liquids or gases in
the storage.
• Storing gasoline, ether, benzene, alcohol, etc.
can create the possibility of fire or explosion.
Use this product for its intended purpose.
• This storage is for making and storing kimchi.
Do not use it as a substitute for a precisely
controlled environment (as for storing
medications, documents, etc.) or for any other
purpose.
Use caution when disposing of a storage.
• Remove the door and do not leave it where
children may play in or around it. There is a risk
of child entrapment.
Do not set items, particularly flowers or
containers of liquid, on top of the storage.
• Spillage could result in safety, slippage, or
electrical shock hazards.
Do not store items on the storage. Use the
containers and racks included with your
storage.
• Items stored on the storage could fall and
cause injury.
Ether
Benzene
Alcohol
5
Safety Warnings and Cautions
Caution
Do not place bottles or cans in the storage.
•There is a possibility they could freeze, causing
the container to burst. This could present a
hazard in the form of broken glass or sharp
edges.
Always use exact replacement parts.
•Make certain replacement parts are the correct
part by part number and model number.
Ensure that voltage, current, and temperature
ratings are correct for the application.
During repairs, be sure all connectors are
tight and wires are properly routed.
•Loose wires could be damaged, causing shock
or fire hazards.
Be sure the power cord is undamaged.
•Do not bend, twist, pull, or damage the cord. It
could result in fire or electrical shock.
During repairs, remove all dust and foreign
materials from the work area.
•Keeping these areas clean makes work easier
and will prevent problems like overheating, fire,
and short circuits.
Allow time for resetting if you unplug the
storage.
•If you unplug the storage during repair, wait 5
minutes before plugging it in and restarting it.
Otherwise, you might cause compressor
failure.
5 min5 min
Rated Parts
6
Specifications
Chapter 2
Chapter 2 Product Specifications
1. GR-K16SLQ
Compressor
Evaporator
Refrigerant
Oil
PTC
Overload protection device
Fan motor for compressor cooling
Left compartment ripening heater
Right compartment ripening heater
Condensation heater
Capacitor (running)
Capacitor (starting)
ITEM SPEC
Usable Volume
Left compartment
Right compartment
Width
Depth
Height
Volume
158 l(5.58 ft3.)
92 l(3.25 ft3.)
66 l(2.33 ft3.)
817 mm (32.2 inches)
694 mm (27.3 inches)
878 mm (34.6 inches)
62 kg (137 lbs.)
210 W
Direct cooling
Manual Defrost
Polyurethane Foam
1
6 pcs.
2 pcs.
KX56LACH
PIPE ON SHEET
R134a (135 g)
FREOL @15 G (280 cc)
P6R8MB
4TM314TFB
Ø110 fan adhesion
115 V 80 W
115 V 60 W
115 V 17 W
250 Vac 10µF
160 Vac 100µF
Outside
Dimensions
Cold Cycle
Electrical Part Rating
Total weight
Motor power consumption
Cooling method
Defrost method
Insulation material
BASKET
Kimchi storage container
Low crystal deodorant system
7
Specifications
2. GR-K18SLQ
Compressor
Evaporator
Refrigerant
Oil
PTC
Overload protection device
Fan motor for compressor cooling
Left compartment ripening heater
Right compartment ripening heater
Condensation heater
Capacitor (running)
Capacitor (starting)
ITEM SPEC
Usable Volume
Left compartment
Right compartment
Width
Depth
Height
Volume
184 l(6.50 ft3.)
92 l(3.25 ft3.)
92 l (3.25 ft3.)
921 mm (36.3 inches)
694 mm (27.3 inches)
878 mm (34.6 inches)
67 kg (148 lbs.)
285 W
Direct cooling
Manual Defrost
Polyurethane Foam
1
6 pcs.
2 pcs.
KX56LACH
PIPE ON SHEET
R134a (140 g)
FREOL @15 G (280 cc)
P6R8MB
4TM314TFB
Ø110 fan adhesion
115 V 80 W
115 V 80 W
115 V 18 W
250 Vac 10µF
160 Vac 100µF
Outside
Dimensions
Cold Cycle
Electrical Part Rating
Total weight
Motor power consumption
Cooling method
Defrost method
Insulation material
BASKET
Kimchi storage container
Low crystal deodorant system
8
3. GR-K20SVZ
Compressor
Evaporator
Refrigerant
Oil
PTC
Overload protection device
Fan motor for compressor cooling
Left compartment ripening heater
Right compartment ripening heater
Condensation heater
Capacitor (running)
Capacitor (starting)
ITEM SPEC
Usable Volume
Left compartment
Right compartment
Width
Depth
Height
Volume
198 l(6.99 ft3.)
132 l(4.66 ft3.)
66 l(2.33 ft3.)
970 mm (36.2 inches)
698 mm (27.5 inches)
879 mm (34.61 inches)
70 kg (154 lbs.)
285 W
Direct cooling
Manual Defrost
Polyurethane Foam
1
10 pcs.
2 pcs.
KX56LACH
PIPE ON SHEET
R134a (145 g)
FREOL @15 G (280 cc)
P6R8MB
4TM314TFB
Ø110 fan adhesion
115 V 100 W
115 V 60 W
115 V 19 W
250 Vac 10µF
160 Vac 100µF
Outside
Dimensions
Cold Cycle
Electrical Part Rating
Total weight
Motor power consumption
Cooling method
Defrost method
Insulation material
BASKET
Kimchi storage container
Low crystal deodorant system
Specifications
9
Product Installation Method
Chapter 3
Chapter 3 Product Installation Method
1. Method to adjust height of storage
■Adjust the level of storage.
(If the floor is uneven, the storage may vibrate or cause noise.)
➲Adjust the front to be level by turning the height adjutsment screws under the front corners.
Tilting the unit backward slightly to take the weight off the adjusting screws may make this
task easier.
2. Grounding method
Plug the cord into a 115 V grounded outlet. If you are unsure of the voltage or grounding integrity,
consult a qualified electrician.
➲ Take care not to ground the circuit at one of the following places:
1. Water pipe: If there is plastic piping within the system, the ground may not be valid.
2. Gas pipe: There is the danger of fire or explosion.
3. Phone line or lightning rod: If lightning strikes, dangerous voltage may be induced
in the circuit.
CAUTION!
10
Circuit Diagram
Chapter 4
Chapter 4 Circuit Diagram
1. GR-K16, K18SLQ (LED MODULE TYPE)
3-WAY VALVE
MOTOR
PTC
STARTER
Mechanical Area
FAN MOTOR
LEFT MATURATION
HEATER
CONDENSATION
HEATER
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2
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