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Owner's Manual
LG Water Cooled Package
Air Conditioner
INSTALLATION MANUAL
MODELS: AKWW0603UA0
AKWW0483UA0
AKWW0363UA0
website http://www.lgservice.com
e-mail http://www.lgeservice.com/techsup.html
IMPORTANT
• Please read this instruction sheet completely before
installing the product.
• When the power cord is damaged, replacement work shall
be performed by authorized personnel only.
• Installation work must be performed in accordance with
the national wiring standards by authorized personnel
only.
• Please retain this owner's manual for future reference after
reading it thoroughly.
LG
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Table of Contents
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Summary of Contents for LG AKWW0603UA0
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Page 1: Air Conditioner
LG Water Cooled Package Air Conditioner INSTALLATION MANUAL MODELS: AKWW0603UA0 AKWW0483UA0 AKWW0363UA0 IMPORTANT • Please read this instruction sheet completely before installing the product. • When the power cord is damaged, replacement work shall be performed by authorized personnel only. -
Page 2: Table Of Contents
Single Split Wall Mounted Air Conditioner Installation Manual TABLE OF CONTENTS Installation Required Parts Required Tools Requirements ❏ Home VAV Main Controller ❏ Screw driver Safety Precautions......4 ❏ Room Control Wall Thermostat ❏ Electric drill ❏ Static Pressure Sensor ❏ Specified torque wrenches Introduction ........8 Symbols Used in this Manual..8 ❏... -
Page 3: Installation Instructions
WATER-SOURCE HEAT PUMP INSTALLATION INSTRUCTIONS IMPORTANT! Please read this instruction sheet completely before installing the product. This air conditioning system meets strict safety and operating standards. As the installer or service person, it is an important part of your job to install or service the system so it operates safely and efficiently. WARNING •... -
Page 4: Safety Precautions
Safety Precautions Safety Precautions To prevent injury to the user or other people and property damage, the following instructions must be followed. I Be sure to read before installing the air conditioner. I Be sure to observe the cautions specified here as they include important items related to safety. I Incorrect operation due to ignoring instruction will cause harm or damage. - Page 5 Safety Precautions I Operation Plug in the power plug Do Do not damage or use an Do not modify power cord not operate or stop the unit unspecified power cord. length. by inserting or pulling out the power. • It will cause electric shock or •...
- Page 6 Safety Precautions Leave the door closed while the air Ventilate before operating air conditioner conditioner is running. when gas goes out. • It is not designed to cool the entire house. • It may cause explosion, fire, and burn. I Installation Never touch the metal parts of the unit Do not block the inlet or outlet.
- Page 7 Safety Precautions Do not place heavy object If water enters the product, Do not clean the air on the power cord and take turn off the the power switch conditioner with water. care so that the cord should of the main body of appliance. not be pressed.
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Page 8: Introduction
This symbol alerts you to the risk of electric shock. This symbol alerts you to hazards that could cause harm to the air conditioner. This symbol indicates special notes. NOTICE Features AKWW0603UA0 [Unit : inch(mm)] AKWW0483UA0 AKWW0363UA0 16.6(421.2) 4.7(120) 4.7(120) 4.7(120) 33.3(846) -
Page 9: Installation
Installation Installation Read completely, then follow step by step. Installation Parts(Accessory) Installation Manual 9... -
Page 10: Installation Tools
Installation Installation Tools Figure Name Figure Name Screw driver Ohmmeter Ammeter Electric drill Thermometer, Spanner Horizontal meter Torque wrench Tefron Tape 14. Installation 14.1 Space needed for installation • For independent installation • * Basic installation space • Minimum space as shown in the following figure is needed depending on the piping connection type of the product for easy installation and checking. - Page 11 Installation 14.2 Moving method and product weight I Because this product is a heavy object, always use a forklift for transportation and moving. WARNING • Be careful of the following when transporting the product. • Have more than 2 people transport the product if the weight of the product is 20Kg or more. •...
- Page 12 Installation 14.3 Basic floor construction 1. Do the basic flooring construction so that the weight of the product can be adequately supported with concrete or similar material considering the product height. The dimension of the basic construction should be 34" x 26" x 4"(W870 x D660 x H100) or above. At this time, maintain the level so that the product is not tilted.
- Page 13 Installation WARNING • Install the product where the weight of the outdoor unit can be sufficiently supported. If the unit is installed at a location where the supporting strength is insufficient, the outdoor unit can fall to injury somebody. • Install the outdoor unit so that it does not fall even with strong wind and earthquake. If there is a defect in the installed condition, the indoor unit can fall over to injury somebody.
- Page 14 Installation 14.4 Heat source water management • The temperature of the supplied heat source water must be maintained between 59 and 104°F. If not, it can cause problems to the product. • The flux of the supplied heat source water must be controlled appropriately. If not, it can cause abnormal noise, pipe vibration, pipe contraction or expansion depending on the temperature.
- Page 15 Installation 14.5 Heat source water quality management table Water with a lot of alien particles can cause corrosion or create scales in the condenser and pipe to affect the performance and life of the product. Use coolant water in accordance with [Environment standard of Enforcement Decree of the Framework Act on Environmental Policy].
- Page 16 Installation 14.6 Heat source water pipe installation • The recommended internal water pressure for the heat source water system of this product is 1.96MPa. • Execute the piping construction so that water drops are not formed on the outer side because it is installed indoors.
- Page 17 Installation 14.7 Heat source water pipe connection • For the heat source water pipe (3) size, use the same size as or larger than the pipe connecting to the product. • In case of danger of dew condensation, you must install the lagging material at the heat source water outlet pipe.
- Page 18 Installation 14.8 Pipe connection order 1) Separate the cap of the coolant connection part. 2) After taking the rubber cap off the product, insert Wrap Tefron tape in the connecting pipe. screw region of pipe 3) With the rubber cap covered on the pipe, execute the pipe connecting work.
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Page 19: Wiring Diagram
Installation 14.10 Flow switch installation • Install the flow switch after checking direction of the heat source water flow of the heat source water outlet of the product. (Pic 1.) • Connect the flow switch to the communication terminal (No. 2 and 3) of the outdoor unit control box of this product. - Page 20 Installation 14.11 Coolant piping connection • The internal water pressure of the coolant piping system of the air conditioner is 20kg/cm2. • For the pipe size of the coolant, use the same size as the air condition connecting pipe or wider. (When using the cooling tower, use the pipe size of the cooling tower side.) •...
- Page 21 Installation 14.12 Condensed water piping connection • Install the drain pipe to be as short as possible and the inclination should be at a minimum of 1/100. • For the size of the drain pipe, use the same size as the air condition connecting pipe or wider. •...
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Page 22: Duct Connection
Installation 14.13 Duct connection 1) By using the flexible duct (duct connecting Noise chamber part), connect noise chamber connected to the main duct within the building and the air Flexible duct discharge part on top of the air conditioner so (duct connecting part) that air does not leak. - Page 23 Installation 14.14 Main power wire connection 1) First, separate the panel on the front bottom side of the product. Connect the power according to the electric connection diagram attached on the control box cover. (Check whether the terminal part is connected properly.) By using the ring type terminal, connect the main power wire to the main power terminal block and fixate the cord clip.
- Page 24 Installation 14.15 Main power connection and facility capacity • Consider the surrounding condition (surrounding temperature, direct sunlight, rain drops etc.) when working on the connection. • The thickness of the wire is the minimum thickness for metal conduction wire. Use a thicker wire of one grade above considering the voltage drop.
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Page 25: Connect The Cable
CAUTION: The power cord connected to the unit should be complied with the following specifications. Min.Thickness (inch Circuit breaker Leak current circuit breaker Model (NFB) (ELB) Main/Earth AKWW0603UA0 0.020/0.020 45A 100mA 0.1sec AKWW0483UA0 35A 100mA 0.1sec 0.013/0.013 AKWW0363UA0 0.008/0.008 30A 100mA 0.1sec Allowable temperature to the wire rated at least 90C°... -
Page 26: Main Pcb
Installation 14.16 Central controller communication wire connection 1) First, separate the panel on the front bottom side of the product. Indoor Unit PCB Fan PCB Inverter PCB Main PCB Noise filter 2) Connect the central controller communication wire to the board on the bottom right side of the control box. (Check whether the terminal part is connected properly.) You must fixate the communication wire using the cord clip. - Page 27 Installation 14.17 Communication wire and power wire 1) Communication wire (Between Unit and VAV Master controller) • Type: Shield wire • Diameter: 0.002 inch (1.25mm • Insulation material: PVC • Maximum permitted temperature: 60°C • Maximum communication distance: 33"(10m) or below. 2) Remote controller wire •...
- Page 28 Installation 14.18 Leakage checking method • When reinstalling the product, the service that occurs from not using designated installation dealer or the service center will be processed as paid service. 1) Pull out the suction grill. • When you pull the top part of the suction grill lightly forward, the suction grill can be opened. Loosen the connecting hook attached on the suction grill.
- Page 29 Installation 3) Check whether water is drained through the drain pipe. If water does not come out, you must recheck the installation condition. • When it is impossible to check the drain pipe, judge by whether the water in the inner water collector is being reduced.
- Page 30 Installation 14.19 Air leakage check 1) After the air conditioner connection is Flexible duct completed, run the unit in fan condition. (Duct connecting part) Insulation material 2) You must check for air leakage in the flexible duct and duct connecting part. 3) In case of air leakage (1) Tighten the connecting part of the duct to stop the leakage.
- Page 31 Installation 14.20 Checkpoints after installation You must read the using method through the manual to the consumer and check the following points after installing the product. * (Check the square box) • Is an exclusive power circuit formed? • Is the installation strength adequate? •...
- Page 32 Installation 14.21 Air leakage check • Is the main power wires properly inserted and fixated? Check with the switchboard power turned off. • Is the grounding wire properly connected? Is the power cord properly grounded? • Isn’t there any leakage in the coolant pipe? Isn’t there any problem in the coolant circulation? •...
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Page 33: Test Operation
Installation 14.22 Test operation You must read the using method through the manual to the consumer and check the following points after installing the product. * (Check the square box) • Isn’t there any problem during central control operation? • Isn’t there any noise? - The shape of the product may differ slightly depending on the model. - Page 34 Installation • Is the product well drained? • Isn’t there any leakage in the connecting part of the condensed water pipe? - The shape of the product may differ slightly depending on the model. 34 Water Cooled Package...
- Page 35 14.23 Troubleshooting during test operation The following is the key part defects Parts Symptom Cause Check and resolution Measure the resistance between the Motor insulation broken compressor power terminal and the chassis. Does not operate Strainer clogged Replace the strainer. Insufficient lubrication Open the drain cork and check the lubrication fluid.
- Page 36 P/No.: MFL30215311...