LG THERMA V Manuel utilisateur

OWNER’S MANUAL

AIR CONDITIONER

Please read this manual carefully before operating

your set and retain it for future reference.

P/NO : MFL57490703 www.lg.com

TYPE : (Air-to-Water Heat Pump)

ENGLISH SWEDISH NORWEGIAN FINNISH DANISH

2Air-to-Water Heat Pump

Air-to-Water Heat Pump Ownerʼs 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.

Installer's Name

Purchased Date

■

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 AWHP properly. Just a little preventive

care on your part can save you a great deal of time and

money over the life of your product.

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.

• AWHP 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 AWHP.

• When the power cable 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

Product Introduction ..........................6

Owner's Instruction ............................8

Using Thermostat .............................24

Maintenance and Service.................27

Safety Precaution

Ownerʼs Manual 3

ENGLISH

Safety Precautions

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

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

the following indications.

WARNING

CAUTION

This symbol indicates the possibility of death or serious injury.

This symbol indicates the possibility of injury or damage.

WARNING

Always ground the product.

• There is a risk of electric shock.

Do not use a defective or underrated

circuit breaker. Use the correctly rated

breaker and fuse.

• There is risk of fire or electric shock .

Do not use a multi outlet. Always use

this appliance on a dedicated circuit and

breaker.

• Otherwise it can cause electric shock or fire.

For electrical work, contact the dealer, seller,

a qualified electrician, or an Authorized

Service Center. Do not disassemble or repair

the product by yourself.

• There is risk of fire or electric shock.

Always ground the product as per the

wiring diagram. Do not connect the

ground wire to gas or water pipes

lightening rod or telephone ground wire.

• There is risk of fire or electric shock.

Install the panel and the cover of control

box securely.

• There is risk of fire or electric shock due to

dust , water etc.

Use the correctly rated breaker or fuse.

• There is risk of fire or electric shock.

Do not modify or extend the power

cable. If the power cable or cord has

scratches or skin peeled off or

deteriorated then it must be replaced.

• There is risk of fire or electric shock.

For installation, removal or reinstall ,

always contact the dealer or an

Authorized Service Center.

• There is risk of fire, electric shock, explosion,

or injury.

Do not install the product on a defective

installation stand. Be sure that the

installation area does not deteriorate with

age.

• It may cause product to fall.

Never install the outdoor unit on a

moving base or a place from where it

can fall down.

• The falling outdoor unit can cause damage

or injury or even death of a person.

When the product is soaked (flooded or

submerged) in water , contact an

Authorized Service Center for repair

before using it again.

• There is risk of fire or electric shock.

Be sure to check the refrigerant to

be used. Please read the label on the

product.

• Incorrect refrigerant can prevent the normal

operation of the unit.

Don't use a power cord, a plug or a

loose socket which is damaged.

• Otherwise it may cause a fire or electrical

shock.

Do not touch , operate, or repair the

product with wet hands.

• There is risk of electric shock or fire.

Do not place a heater or other heating

appliances near the power cable.

• There is risk of fire and electric shock.

Do not allow water to run into electric

parts. Install the unit away from water

sources.

• There is risk of fire, failure of the product, or

electric shock.

Do not store or use or even allow

flammable gas or combustibles near the

product.

• There is risk of fire.

Safety Precaution

4Air-to-Water Heat Pump

Indoor/outdoor wiring connections must

be secured tightly and the cable should

be routed properly so that there is no

force pulling the cable from the

connection terminals.

• Improper or loose connections can cause

heat generation or fire.

Safely dispose off the packing materials.

Like screws, nails, batteries, broken

things etc after installation or service

and then tear away and throw away the

plastic packaging bags.

• Children may play with them and cause

injury.

Make sure to check that the power

device is not dirty, loose or broken and

then Turn on the power.

• Dirty, loose or broken power device can

cause electric shock or fire.

Do not use the product in a tightly

closed space for a long time. Perform

ventilation regularly.

• Oxygen deficiency could occur and hence

harm your health.

Do not open the front cover or grille of the

product during operation. (Do not touch the

electrostatic filter, if the unit is so equipped.)

• There is risk of physical injury, electric

shock, or product failure.

If strange sounds, smell or smoke comes

from product, immediately turn the breaker

off or disconnect the power supply cable.

• There is risk of electric shock or fire.

Ventilate the product room from time to

time when operating it together with a

stove, or heating element etc.

• Oxygen deficiency can occur and hence

harm your health.

Turn the main power off when cleaning

or repairing the product.

• There is risk of electric shock.

Take care to ensure that nobody

especially kids could step on or fall onto

the outdoor unit.

• This could result in personal injury and

product damage.

Take care to ensure that power cable

could not be pulled out or damaged

during operation.

• There is risk of fire or electric shock.

Do not place ANYTHING on the power

cable.

• There is risk of fire or electric shock.

When flammable gas leaks, turn off the

gas and open a window for ventilation

before turn the product on.

• Do not use the telephone or turn switches on

or off. There is risk of explosion or fire.

In outdoor unit the step-up capacitor

supplies high voltage electricity to the

electrical components. Be sure to

discharge the capacitor completely

before conducting the repair work.

• An charged capacitor can cause electrical

shock.

When installing the unit, use the

installation kit provided with the product.

• Otherwise the unit may fall and cause severe

injury.

Be sure to use only those parts which

are listed in the service parts list. Never

attempt to modify the equipment.

• The use of inappropriate parts can cause an

electrical shock, excessive heat generation

or fire.

Safety Precaution

Ownerʼs Manual 5

ENGLISH

CAUTION

Two or more people must lift and

transport the product.

• Avoid personal injury.

Do not install the product where it will be

exposed to sea wind (salt spray) directly.

• It may cause corrosion on the product.

Keep level even when installing the

product.

• To avoid vibration or noise.

Do not install the product where the noise

or hot air from the outdoor unit could

damage or disturb the neighborhoods.

• It may cause a problem for your neighbors

and hence dispute.

Always check for gas (refrigerant)

leakage after installation or repair of

product.

• Low refrigerant levels may cause failure of

product.

Do not use the product for special

purposes, such as preserving foods,

works of art, etc. It is a consumer AWHP,

not a precision refrigeration system.

• There is risk of damage or loss of property.

Do not block the inlet or outlet of air

flow.

• It may cause product failure.

Use a soft cloth to clean. Do not use

harsh detergents, solvents or splashing

water etc .

• There is risk of fire, electric shock, or

damage to the plastic parts of the product.

Do not step on or put anyting on the

product. (outdoor units)

•

There is risk of personal injury and failure of product.

Do not insert hands or other objects

through the air inlet or outlet while the

product is operating.

• There are sharp and moving parts that could

cause personal injury.

Be cautious when unpacking and

installing the product.

• Sharp edges could cause injury.

If the refrigerant gas leaks during the

repair, do not touch the leakaing

refrigerant gas.

• The refrigernat gas can cause frostbite (cold

burn)

Do not tilt the unit when removing or

uninstalling it.

• The condensed water inside can spill .

Do not mix air or gas other than the

specified refrigerant used in the system .

• If air enters the refrigerant system, an

excessively high pressure results, causing

equipment damage or injury.

If the refrigerant gas leaks during the

installation, ventilate the area immediately.

• Otherwise it can be harmfull for your health.

Dismantling the unit, treatment of the

refrigerant oil and eventual parts should

be done in accordance with local and

national standards.

Do not expose your skin or kids or

plants to the cool or hot air draft.

• This could harm to your health.

Use a firm stool or ladder when cleaning,

maintaining or repairing the product at

an height.

• Be careful and avoid personal injury.

6Air-to-Water Heat Pump

Product Introduction

1. Indoor unit

2. Outdoor unit

3. Refrigerant pipe and connecting cable

4. Water pipe

5. Ground wire to ground outdoor unit to prevent electrical shocks.

The shape of products can be chaged according to the model capacity and type.

Water

Inlet Water

Outlet

Typical Installation Scene

Product Introduction

Ownerʼs Manual 7

ENGLISH

❊Some functions may not be operated and displayed depending on the model.

Control Panel

1. Display panel

2. Change temperature button

3. Silent mode On/Off button

4. Operation mode selection button

5. Water heating Enable/Disable

button

6. ESC button

7. Direction button

(Up, Down, Left, Right)

8. Power button

9. Function setting button

10. Temperature setting mode

button

11. Temperature view mode button

12. Programming button

13. Set/Clear button

8Air-to-Water Heat Pump

Owner's instruction

ELECTRIC HEATER STEP ONE

ELECTRIC HEATER STEP TWO

These icons indicate that the backup electric heater which is located inside the indoor unit is

operating.

SANITARY WATER TANK HEATER

This icon indicates that sanitary water tank electric heater which is located inside sanitary

water tank is active.

The icon is not used when sanitary water tank is not installed.

WATER PUMP

This icon indicates that the water pump inside the indoor unit is active.

AUXILIARY SOLAR THERMAL PUMP

This icon indicates that auxiliary solar thermal pump is active.

NOTE : As installation of auxiliary solar thermal pump is not compulsory but

recommendation according to field condition, this icon can be seen although no auxiliary

solar thermal pump is installed.

DEFROSTING

This icon indicates that the defrost mode is active.

In space heating operation or sanitary water tank heating operation, freezing of the outdoor

heat exchanger may be occured due to low outdoor temperature and humidity. If this risk

occurs, the product goes into defrost operation. It reverses the cycle and takes heat from the

indoor system to prevent freezing of the outdoor system. This mode is automatically

operating.

MAINTAIN LOWEST TEMPERATURE

The purpose of this mode is maintaining the temperature to prevent damage by freezing of

water pipe.

DISINFECTION

This icon indicates disinfecting operation is ongoing in sanitary water tank.

OUTDOOR

This icon indicates that the outdoor unit is active.

CHILD LOCK

NO FUNCTION

Monitoring Information

Owner's Instruction

Owner's instruction

Ownerʼs Manual 9

ENGLISH

CENTRAL CONTROLLER

This icon indicates that the product is controlled by the central controller.

THERMOSTAT

This icon indicates connection with thermostat.

SLIGHT TROUBLE

This icon indicates that slight trouble is occurred.

HEAVY TROUBLE

This icon indicates that heavy trouble is occurred.

10 Air-to-Water Heat Pump

Selecting Target Temperature

❊Note

: Decrease 1°C or 2°F per one time pressing

: Increase 1°C or 2°F per one time pressing

• We can change the temperature range of each mode on installation setting mode. Please refer

Function Code 11 to 15.

• Room Temperature setting is available when Remote Room Air Sensor (sold separately) is

installed. Please refer Function Code 03.

• Sanitary Water Tank temperature setting is available when Sanitary Water Tank is installed.

Owner's instruction

Mode Change

Turn on the product and select operation mode.

Operation Mode

• Cooling Operation - The product yields cool water to use in under floor cooling or FCU cooling.

• Heating Operation - The product yields hot water to use in under floor heating or FCU heating.

• Weather dependent Heating Operation - In this mode, heating setpoint is automatically determined

by pre-defined temperature profile.

Press Power Button to turn on the product.

Press OPER MODE Button to select each operation mode.

Cooling operation Heating operation Weather dependent

operation

Press SET TEMP Button to select each operation mode.

Adjust desired temperature by pressing Change Temperature buttons on each mode.

To raise the Temperature

To lower the Temperature

Room temperature Leaving Water

temperature

Sanitary Water Tank

temperature

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