LG PRCKA0 INSTALLATION MANUAL
P/NO : MFL50024801
www.lg.com
INSTALLATION MANUAL
• Please read this installation manual completely before installing the product.
• Installation work must be performed in accordance with the national wiring
standards by authorized personnel only.
• Please retain this installation manual for future reference after reading it
thoroughly.
MODEL : PRCKA0
AHU Control Kit
ENGLISH
• Do not cool excessively indoors. This may be harmful for your health and may consume more
electricity.
• Block sunlight with blinds or curtains while you are operating the air conditioner.
• Keep doors or windows closed tightly while you are operating the air conditioner.
• Adjust the direction of the air flow vertically or horizontally to circulate indoor air.
• Speed up the fan to cool or warm indoor air quickly, in a short period of time.
• Open windows regularly for ventilation as the indoor air quality may deteriorate if the air conditioner is used for many hours.
• Clean the air filter once every 2 weeks. Dust and impurities collected in the air filter may block the
air flow or weaken the cooling / dehumidifying functions.
For your records
Staple your receipt to this page in case you need it to prove the date of purchase or for warranty
purposes. Write the model number and the serial number here:
Model number :
Serial number :
You can find them on a label on the side of each unit.
Dealer’s name :
Date of purchase :
Here are some tips that will help you minimize the power consumption when you use the air
conditioner. You can use your air conditioner more efficiently by referring to the instructions
below:
TIPS FOR SAVING ENERGY
ENGLISH
TIPS FOR SAVING ENERGY
2
3
IMPORTANT SAFETY INSTRUCTIONS
READ ALL INSTRUCTIONS BEFORE USING THE APPLIANCE.
Always comply with the following precautions to avoid dangerous situations and ensure peak
performance of your product
WARNING
It can result in serious injury or death when the directions are ignored
CAUTION
It can result in minor injury or product damage when the directions are ignored
WARNING
• Installation or repairs made by unqualified persons can result in hazards to you and others.
• Installation MUST conform with local building codes or, in the absence of local codes, with
the Nation Electrical Code NFPA 70/ANSI C1-1003 or current edition and Canadian Electrical
Code Part1 CSA C.22.1.
• The information contained in the manual is intended for use by a qualified service technician
familiar with safety procedures and equipped with the proper tools and test instruments.
• Failure to carefully read and follow all instructions in this manual can result in equipment malfunction, property damage, personal injury and/or death.
Installation
• Don't touch with the hands while the power is on.
- There is risk of fire or electric shock.
• Use standard parts(connector).
- Do not disassemble or repair the product. There is risk of fire or electric shock.
• For electrical work, contact the dealer, seller, a qualified electrician, or an Authorized Service Center.
- Do not disassemble or repair the product. There is risk of fire or electric shock.
• Use the correctly rated breaker or fuse.
- There is risk of fire or electric shock.
• Do not install, remove, or re-install the unit by yourself (customer).
- There is risk of fire, electric shock, explosion, or injury.
• For installation, always contact the dealer or an Authorized Service Center.
- There is risk of fire, electric shock, explosion, or injury.
Operation
• When the product is soaked (flooded or submerged), contact an Authorized Service Center.
- There is risk of fire or electric shock.
• Be cautious that water could not enter the product.
- There is risk of fire, electric shock, or product damage.
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ENGLISH
IMPORTANT SAFETY INSTRUCTIONS
4
TABLE OF CONTENTS
ENGLISH
2 TIPS FOR SAVING EN-
ERGY
3 IMPORTANT SAFETY
INSTRUCTIONS
5 INSTALLATION SCENE
6 SUPPLIES
7 OPTIONAL ACCES-
SORIES
8 PART DESCRIPTION
8 Control Kit (PRCKA0)
9 BEFORE INSTALLA-
TION
11 CONTROL KIT INSTAL-
LATION
11 Mechanical installation
12 Electric Wiring Work
15 Dry contact connection_optional ac-
cessory
16 TEST OPERATION
17 TROUBLESHOOTING
TABLE OF CONTENTS
ENGLISH
5
Installation Scene
INSTALLATION SCENE
Parts and components
No. Name Remarks
1 Air Handling Unit Field supply
2 Outdoor Unit Multi_V
3 AHU Control Kit(PRCKA0) -
4 AHU EEV Kit(PRLK048A0) -
5 Field piping Field supply
Wiring connections
6 Control kit wiring
(Power supply and communication be-
tween control kit and outdoor unit)
7
Pipe thermistors
(EBG58712427/EBG58712428)
Evaporator (In/Out) control of Air Handling
Unit
8 Room thermistor (EBG61106821) Return air control
9 Remote controller(PQRCUSA0) Optional accessory
10 Dry contact PCB(PQDSBNGCM0)
Optional accessory
Signal
Pipe
Thermistor
Air flow
Refrigerant flow
(Cooling)
Refrigerant flow
(Heating)
7
8
1
9
3
4
5
10
6
2
6
Supplies
ENGLISH
SUPPLIES
PRCKA0
Compo-
nents
AHU Control Kit Room thermistor Pipe thermistors
Installation
manual
Capacity setting
option PCB
P/NO AJT57850901 EBG61106821
EBG58712427
EBG58712428
MFL50024801
EBR52358907/09/10/
11/12/13/14/15/16/17
Shape
Quantity
(EA)
1 1 2(Each 1) 1 10(Each 1)
Model
Name
Weight(kg) Dimension(mm)
POWER
NET Gross W H D
PRCKA0 2.2 3.6 280 135 280 220~240V/50Hz/1Phase
W
W
W
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