LG Multi V CRUN Series Manuale utente

System

Heat Pump Outdoor Unit

INSTALLATION MANUAL

MODELS: CRUN Series

website http://www.lgservice.com

e-mail http://www.lgeservice.com/techsup.html

IMPORTANT

• 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.

ENGLISH ITALIANO ESPAÑOL FRANÇAIS DEUTSCH

PORTUGUESE

2Outdoor Unit

CRUN Series Outdoor Unit Installation Manual

TABLE OF CONTENTS

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

Installation Process.....................10

Combination of indoor and

Outdoor Units...............................11

Selection the Best Location........12

Installation Space ........................13

Lifting Method..............................16

Installation....................................17

Refrigerant Pipe Installation.......19

Elecrical wiring.............................33

Test Run........................................45

Appendix.......................................50

System Check List.......................58

Installation Manual 3

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.

Indicates a part which must be grounded.

Indicates that caution should be taken with rotating parts.

(This symbol is displayed on the main unit label.) <Color: Yellow>

Indicates that the main switch must be turned off before servicing.

(This symbol is displayed on the main unit label.) <Color: Blue>

Beware of electric shock

(This symbol is displayed on the main unit label.) <Color: Yellow>

Beware of hot surface

(This symbol is displayed on the main unit label.) <Color: Yellow>

Please pay attention to electric shock. And at servicing, please shut down

the power supply for both of Indoor Unit and Outdoor Unit.

ELV

WARNING Carefully read the labels affixed to the main unit.

4Outdoor Unit

Safety Precautions

Ask the dealer or an authorized technician to

install the air conditioner.

- Improper installation by

the user may result in

water leakage, electric

shock, or fire.

Install the air unit at a place that can with-

stand its weight.

- Inadequate strength may

cause the unit to fall

down, resulting in

injuries.

Use the specified cables for wiring. Make the

connections securely so that the outside force

of the cable is not applied to the terminals.

- Inadequate connection and fastening may gen-

erate heat and cause a fire.

Prepare for typhoons and other strong winds

and earthquakes and install the unit at the

specified place.

- Improper installation may cause the unit to top-

ple and result in injury.

Cautions before installation

Always use accessories specified by LG

Electronics.

- Ask an authorized tech-

nician to install the

accessories. Improper

installation by the user

may result in water leak-

age, electric shock, or

fire.

Never repair the unit. If the air conditioner

must be repaired, consult the dealer.

- If the unit is repaired

improperly, water leak-

age, electric shock, or

fire may result.

Do not touch the heat exchanger fins.

- Improper handling may

result in injury.

If refrigerant gas leaks during installation

work, ventilate the room.

- If the refrigerant gas

comes into contact with

a flame, poisonous

gases will be released.

Installation Manual 5

ENGLISH

Safety Precautions

Install the air conditioner according to this

Installation Manual.

- If the unit is installed improperly, water leakage,

electric shock, or fire may result.

Have all electric work done by a licensed

electrician according to "Electric Facility

Engineering Standard" and "Interior Wire

Regulations" and the instructions given in

this manual and always use a special circuit.

- If the power source

capacity is inadequate or

electric work is per-

formed improperly, elec-

tric shock and fire may

result.

Securely install the cover of control box and

the panel.

- If the cover and panel are not installed properly,

dust or water may enter the outdoor unit and fire

or electric shock may result.

When installing and moving the air condition-

er to another site, do not charge it with a

refrigerant different from the refrigerant

(R407C) specified on the unit.

- If a different refrigerant or air is mixed with the

original refrigerant, the refrigerant cycle may

malfunction and the unit may be damaged.

If the air conditioner is installed in a small

room, measures must be taken to prevent the

refrigerant concentration from exceeding the

safety limit when the refrigerant leaks.

- Consult the dealer regarding the appropriate

measures to prevent the safety limit from being

exceeded. Should the refrigerant leak and cause

the safety limit to be exceeded, hazards due to

lack of oxygen in the room could result.

When moving and reinstalling the air condi-

tioner, consult the dealer or an authorized

technician.

- If the air conditioner is installed improperly, water

leakage, electric shock, or fire may result.

6Outdoor Unit

Safety Precautions

Cautions before installation Site

Do not install the unit where combustible gas

may leak.

- If the gas leaks and accumulates around the

unit, an explosion may result.

Do not use the air conditioner where food,

pets, plants, precision instruments, or art-

work are kept.

- The quality of the food, etc. may deteriorate.

Do not use the air conditioner in special envi-

ronments.

- Oil, steam, sulfuric smoke, etc. can significantly

reduce the performance of the air conditioner or

damage its parts.

When installing the unit in a hospital, com-

munication station, or similar place, provide

sufficient protection against noise.

- The inverter equipment, private power generator,

high-frequency medical equipment, or radio

communication equipment may cause the air

conditioner to operate erroneously, or fail to

operate. On the other hand, the air conditioner

may affect such equipment by creating noise

that disturbs medical treatment

or image broadcasting.

After completing installation work, make sure

that refrigerant gas is not leaking.

- If the refrigerant gas leaks and is exposed to a

fan heater, stove, oven, or other heat source, it

may generate noxious gases.

Do not reconstruct or change the settings of

the protection devices.

- If the pressure switch, thermal switch, or other

protection device is shorted and operated

forcibly, or parts other than those specified by

LG Electronics are used, fire or explosion may

result.

Gasolin

Installation Manual 7

Safety Precautions

ENGLISH

Do not install the outdoor unit at the outside

of apartment balcony or veranda or the site

of the same installation condition

Do not install the unit beside or on the footway

which may be flooded or submerged and may

be an obstructions for pedestrians to walk.

- In case that inevitably

install the unit beside the

footway, it may cause a

problem for your neigh-

bors.

Do not install the unit on a structure that may

cause leakage.

- When the room humidity

exceeds 80% or when the

drain pipe is clogged, con-

densation may drip from the

indoor unit. Perform collec-

tive drainage work together

with the outdoor unit, as

required.

Take measures to prevent children from

touching the unit.

- Injuries such as cuts could occur if a child

touches the surface of the fins on the heat

exchanger.

Cautions for electrical work and movement

Ground the unit.

- Do not connect the

ground wire to gas or

water pipes, lightning

rods, or telephone

ground lines. Improper

grounding may result in

electric shock.

Install the power cable so that tension is not

applied to the cable.

- Tension may cause the

cable to break and gen-

erate heat and cause a

fire.

Install a leakage circuit breaker, as required.

- If a leakage circuit breaker is

not installed,

electric shock may result.

Use power cables of sufficient current carry-

ing capacity and rating.

- Cables that are too small

may leak, generate heat,

and cause a fire.

8Outdoor Unit

Safety Precautions

Be careful that the installation base is not

damaged by long use.

- If the damage is left uncorrected, the unit may

fall and cause personal injury or property

damage.

Install the drain piping according to this

Installation Manual to ensure proper

drainage. Wrap thermal insulation around the

pipes to prevent condensation.

- Improper drain piping may cause water leakage

and damage to furniture and other possessions.

Be very careful about product transportation.

- Only one person should not carry the product if it weighs more than 20 kg.

- Some products use PP bands for packaging. Do not use any PP bands for a

means of transportation. It is dangerous.

- Do not touch the heat exchanger fins, which may result in injury.

- When transporting the outdoor unit, suspend it at the specified positions on

the unit base. Also support the outdoor unit at four points so that it cannot slip

sideways.

Safely dispose of the packing materials.

- Packing materials, such as nails and other metal or wooden parts, may cause

stabs or other injuries.

- Tear apart and throw away plastic packaging bags so that children will not play

with them. If children play with a plastic bag which was not torn apart, they

face the risk of suffocation.

Use only a circuit breaker and fuse of the

specified capacity.

- A fuse or circuit breaker of a larger capacity or a

steel or copper wire may result in a general unit

failure or fire.

Do not wash the air conditioner units.

- Washing them may cause an electric shock.

Installation Manual 9

Safety Precautions

ENGLISH

Cautions before the test run

Turn on the power at least 12 hours before

starting operation.

- Starting operation immediately after turning on

the main power switch can result in severe dam-

age to internal parts. Keep the power switch

turned on during the operational season.

Do not touch the switches with wet fingers.

- Touching a switch with wet fingers can cause an

electric shock.

Do not touch the refrigerant pipes during and

immediately after operation.

- During and immediately after operation, the

refrigerant pipes may be hot or cold, depending

on the condition of the refrigerant flowing

through the refrigerant piping, compressor, and

other refrigerant cycle parts. Your hands may

suffer burns or frost-bite if you touch the refriger-

ant pipes.

Do not operate the air conditioner with the

panels and guards removed.

- Rotating, hot, or high-voltage parts can cause

injuries.

Do not turn off the power immediately after stopping operation.

- Always wait at least five minutes before turning off the power.

Otherwise, water leakage and trouble may occur.

Indicate clearly who is to be responsible for switch settings.

Make relationship between outdoor, indoor, remote controller,

and option connections clear.(Prepare control circuit diagram)

Take account of gradient of drain piping.

Check model name to make sure the fitting is made correctly.

Special attention to dryness, cleanness and tightness.

Adjust to downward gradient.

Make sure airflow is sufficient.

Make sure no gaps are left where the insulating materials

are joined.

Multiple core cable must not be used.(suitable cable should

be selected)

The foundation must be level.

Avoid short circuits and ensure sufficient space is allowed

for service.

In the final check for 24hours at 3MPa(30.0 kg/cm2) there

must be no drop in pressure.

The vacuum pump must have a capacity of reaching at

least 5mmHg, 3hours

Recharge correctly as calculated in this manual,

and record the amount of additional refrigerant.

Make sure there are no gaps left between the facing mate-

rials used on the ceiling.

Refer to automatic addressing flowchart.

Run each indoor unit in turn to make sure the pipe work

has been fitted correctly.

Explain the use of the system as clearly as possible to your cus-

tomer and make sure all relevant documentation is in order.

10 Outdoor Unit

Installation Process

Determination of division work

Preparation of contract drawings

Sleeve and insert work

Installation of indoor unit

Refrigerant piping work

Drain pipe work

Duct work

Heat insulation work

Electrical work

(connection circuits and drive circuits)

Outdoor unit foundation work

Installation of outdoor unit

Automatic addressing of indoor unit

All tight test

Vacuum drying

Additional charge of refrigerant

Fit facing panels

Test run adjustment

Transfer to customer with explanation

The above list indicates the order in which the individual work operations are normally carried out but this order

may be varied where local conditions warrants such change.

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