LG AKWW0243AA0 Bedienungsanleitung

LG Water Cooled Package

Air Conditioner

OWNER'S MANUAL

MODELS: AKWW0243AA0 AKWW0243YA0

AKWW0183AA0 AKWW0183YA0

AKWW0123AA0 AKWW0123YA0

AKWW0093AA0 AKWW0093YA0

IMPORTANT

• Please read this owner's manual carefully and thoroughly

before installing and operating your room air conditioner.

• Please retain this owner's manual for future reference after

reading it thoroughly.

website http://www.lgservice.com

ENGLISH FRANÇAIS ESPAÑOL

2Water Cooled Package Air Conditioner

Water Cooled Package Air Conditioner Owner’s Manual

TABLE OF CONTENTS

FOR YOUR RECORDS

Write the model and serial numbers here:

Model #

Serial #

You can find them on a label on the side of each unit.

Dealer's Name

Date Purchased

■Staple your receipt to this page in the event you need

it to prove date of purchase or for warranty issues.

READ THIS MANUAL

Inside you will find many helpful hints on how to use

and maintain your air conditioner properly. Just a little

preventive care on your part can save you a great deal

of time and money over the life of your air conditioner.

You'll find many answers to common problems in the

chart of troubleshooting tips. If you review our chart of

Troubleshooting Tips first, you may not need to call

for service at all.

PRECAUTION

•Contact the authorized service technician for

repair or maintenance of this unit.

• Contact the installer for installation of this unit.

• The air conditioner is not intended for use by

young children or invalids without supervision.

• Young children should be supervised to ensure

that they do not play with the air conditioner.

• When the power cord is to be replaced,

replacement work shall be performed by

authorized personnel only using only genuine

replacement parts.

• Installation work must be performed in

accordance with the National Electric Code by

qualified and authorized personnel only.

Safety Precautions.........................3

Prior to Operation ..........................7

Introduction ....................................8

How to use the Mode Selection

Button............................................12

Maintenance and Service ............18

Owner's Manual 3

Safety Precautions

ENGLISH

Safety Precautions

To prevent injury to the user or other people and property damage, the following instructions must be followed.

■Be sure to read before installing the air conditioner.

■Be sure to observe the cautions specified here as they include important items related to safety.

■Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified

by the following indications.

■Meanings of symbols used in this manual are as shown below.

This symbol indicates the possibility of death or serious injury.

This symbol indicates the possibility of injury or damage to properties only.

Be sure not to do.

Be sure to follow the instruction.

■Installation

Do not place the power cord near a heater.

• It may cause fire and electric shock.

Do not use the power cord near flammable

gas or combustibles such as gasoline,

benzene, thinner, etc.

• It may cause explosion or fire.

Do not disassemble or modify products.

• It may cause failure and electric shock.

Gasolin

4Water Cooled Package Air Conditioner

Safety Precautions

■Operation

Plug in the power plug

properly.

• Otherwise, it will cause

electric shock or fire due to

heat generation or electric

shock.

Do not operate or stop the

unit by inserting or pulling

out the power plug.

• It will cause electric shock or

fire due to heat generation.

Do not damage or use an

unspecified power cord.

• It will cause electric shock or

fire.

Do not modify power cord

length.

• It will cause electric shock or

fire due to heat generation.

Always plug into a

grounded outlet.

• No grounding may cause

electric shock (See

Installation Manual).

Unplug the unit if strange

sounds, odors, or smoke

come from it.

• Otherwise it may cause fire

and electric shock accident.

Do not operate with wet hands or in damp

environment.

• It will cause electric shock.

Do not allow water to run into electric parts.

• It will cause failure of machine or electric

shock.

Owner's Manual 5

Safety Precautions

ENGLISH

Leave the door closed while the air

conditioner is running.

• It is not designed to cool the entire house.

Ventilate before operating air conditioner

when gas goes out.

• It may cause explosion, fire, and burn.

Never touch the metal parts of the unit

when removing the filter.

• They are sharp and may cause injury.

Do not block the inlet or outlet.

• It may cause failure of appliance or accident.

Be cautious not to touch the sharp edges

when installing.

• It may cause injury.

Turn off the main power switch when not

using it for a long time.

• Prevent accidental startup and the possibility of

injury.

■Installation

6Water Cooled Package Air Conditioner

Safety Precautions

Do not place heavy object

on the power cord and take

care so that the cord

should not be pressed.

• There is danger of fire or

electric shock.

If water enters the product,

turn off the the power switch

of the main body of appliance.

Contact service center after

taking the power-plug out

from the socket.

Do not clean the air

conditioner with water.

• Water may enter the unit and

degrade the insulation. It may

cause an electric shock.

Turn off the power and

breaker firstly when

cleansing the unit.

• Since the fan rotates at high

speed during operation, it

may cause injury.

Do not put a pet or house

plant where it will be

exposed to direct air flow.

• This could injure the pet or

plant.

Do not use this appliance for

special purposes such as

pets, foods, precision

machinery, or objects of art.

• It is an air conditioner, not a

precision refrigeration system.

Always insert the filter

securely.

Clean it every two weeks.

• Operation without filters will

cause failure.

Use a soft cloth to clean.

Do not use wax, thinner, or

a strong detergent.

• The appearance of the air

conditioner may deteriorate,

change color, or develop

surface flaws.

Do not drink water drained

from air conditioner. / Do

not direct airflow at room

occupants only.

• It contains containments and

will make you sick. / This

could damage your health.

Wax

Thinner

Owner's Manual 7

Prior to Operation

ENGLISH

Prior to Operation

1. Contact an installation specialist for installation.

2. Plug in the power plug properly.

3. Use a dedicated circuit.

4. Do not use an extension cord.

5. Do not start/stop operation by plugging/unplugging the power cord.

6. If the cord/plug is damaged, replace it with only an authorized replacement part.

1. Being exposed to direct airflow for an extended period of time could be hazardous to

your health. Do not expose occupants, pets, or plants to direct airflow for extended

periods of time.

2. Due to the possibility of oxygen deficiency, ventilate the room when used together

with stoves or other heating devices.

3. Do not use this air conditioner for non-specified special purposes (e.g. preserving

precision devices, food, pets, plants, and art objects). Such usage could damage the

items.

1. Do not touch the metal parts of the unit when removing the filter. Injuries can occur

when handling sharp metal edges.

2. Do not use water to clean inside the air conditioner. Exposure to water can destroy

the insulation, leading to possible electric shock.

3. When cleaning the unit, first make sure that the power and breaker are turned off.

The fan rotates at a very high speed during operation. There is a possibility of injury if

the unit’s power is accidentally triggered on while cleaning inner parts of the unit.

For repair and maintenance, contact your authorized service dealer.

Preparing for operation

Usage

Cleaning and maintenance

Service

Operating Temperature(unit: Fahrenheit ,°F)

INDOOR WATER

Max.

89.6

Min.

64.4

Max.

104

Min.

Max.

69.8

Min.

Max.

104

Min.

INDOOR WATER

COOLING MODE HEATING MODE

8Water Cooled Package Air Conditioner

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

Introduction

Symbols used in this Manual

Valve, Regulator

Valve, Solenoid

Box, Control

Heat exchanger

Water In

Water Out

Discharge Air

Indoor Inlet Air

Return Panel

Grille, Discharge

AKWW0243AA0 / AKWW0243YA0

AKWW0183AA0 / AKWW0183YA0

AKWW0123AA0 / AKWW0123YA0

AKWW0093AA0 / AKWW0093YA0

Owner's Manual 9

Introduction

ENGLISH

Pre-Start-up Checklist

Before energizing the unit, the following system devices must be checked:

•Is the high voltage power supply correct and in accordance with the nameplate ratings?

•Is the field wiring and circuit protection the correct size?

•Is the low voltage control circuit wiring correct per the unit wiring diagram?

•Is the piping system clean/complete and correct? (A recommendation of all system flushing o

debris from the water-to-refrigerant heat exchanger, along with air purging from the

water-to-refrigerant heat exchanger be done in accordance with the Closed-Loop Source Heat

Pump Systems Installation Guide).

•Is vibration isolation provided? (i.e. unit isolation pad, hose kits)

•Is unit serviceable? (See clearance specifications).

•Are the low/high-side pressure temperature caps secure and in place?

•Are all the unit access panels secure and in place?

•Is the thermostat in the OFF position?

•Is the water flow established and circulating through all the units?

•Is the duct work (if required) correctly sized, run, taped, insulated and weather proofed with

proper unit arrangement?

•Is the condensate line properly sized, run, trapped and pitched?

•Does the indoor blower turn freely without rubbing?

•Has all work been done in accordance with applicable local and national codes?

•Has heat transfer fluid been added in the proper mix to prevent freezing in closed system

application?

•Have the chassis isolation rails been released?

•Is there a good seal between the front air panel and the coil?

10 Water Cooled Package Air Conditioner

Introduction

Maintenance

- Preventive Maintenance

Maintenance on the unit is simplified with the following preventive suggestions: Filter

maintenance must be performed to assure proper operation of the equipment. Filters should be

inspected at least every three months, and replaced when it is evident they are dirty.

Check the contactors and relays within the control panel at least once a year. It is good practice

to check the tightness of the various wiring connections within the control panel. A strainer (60

mesh or greater) must be used on an open loop system to keep debris from entering the unit

heat exchanger and to ensure a clean system. For units on well water, it is important to check

the cleanliness of the water-to-refrigerant heat exchanger. Should it become contaminated with

dirt and scaling as a result of bad water, the heat exchanger will have to be back flushed and

cleaned with a chemical that will remove the scale. This service should be performed by an

experienced service person.

- Hazardous Chemicals

Coil cleaning agents can be either acidic or highly alkaline. Handle chemical carefully. Proper

handling should include goggles or face shield, chemical resistant gloves, boots, apron or suit as

required. For personal safety, refer to the cleaning agent manufacturers Materials Safety Data

Sheet and follow all recommended safe handling practices. Failure to follow all safety

instructions could result in death or serious injury. It should be noted that the water quality

should be checked periodically. See the following water quality table.

Scaling Calcium and magnesium(total hardness) Less than 350 ppm

pH 7 ~ 9.5

Hydrogen Sulfide Less than 1 ppm

Corrosion Sulfates Less than 25 ppm

Chlorides Less than 125 ppm

Carbon Dioxide Less than 75 ppm

Total dissolved solids(TDS) Less than 1000 ppm

Biological Growth Iron Bacteria Low

Erosion Suspended Solids Low

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