LG THERMA V Series Bedienungsanleitung

Air-to-Water Heat Pump

Original instruction

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.

INSTALLATION MANUAL

AIR-TO-WATER

HEAT PUMP

MFL69676201

Rev.01_050219

www.lg.com

ENGLISH ITALIANO ESPAÑOL FRANÇAIS DEUTSCH

ΕΛΛΗΝΙΚΆ

ČEŠTINA

NEDERLANDS

POLSKI

LIMBA ROMÂNĂ

2Air-to-Water Heat Pump

Table of contents

3 IMPORTANT INFORMATION

3 Symbols

4 General

4 Safety warnings and instructions

8 Obligations of the manufacturer

8 Obligations of the installer during installation

8 Obligations of the user

9 INSTALLATION PART

10 GENERAL INFORMATION

10 Model Information

12 Parts and Dimensions

15 INSTALLATION OF OUTDOOR UNIT

15 Conditions where Outdoor Unit is Installed

16 Set up and connection of the external sensor

16 Drill a Hole in the Wall

17 Installation at Seaside

17 Seasonal wind and cautions in winter

18 INSTALLATION OF INDOOR UNIT

18 General

19 Location of the device

21 Connection with the outdoor unit

25 Hydraulic connection

34 Electrical connection

47 Refrigerant Piping

47 PIPING AND WIRING FOR OUTDOOR UNIT

56 Finalizing

57 Leakage test and Evacuation

59 SYSTEM SET-UP

59 DIP Switch Setting

60 CHECK POINTS, MAINTENANCE AND

TROUBLESHOOTING

60 Check List before Starting Operation

61 Care and Maintenance

63 Test Run

63 Limiting concentration

64 SEARCH THE MANUAL USING YOUR MOBILE

64 Airborne Noise Emission

TABLE OF CONTENTS

Installation Manual 3

ENGLISH

The manual describes the process of installation and maintenance of the device. The installation

and maintenance can only be performed by qualified personnel. Read the manual carefully before

the installation, this way you will be informed about the intended use, functionality and process of

handling the device.

• The manual has to be handed over to the end user after installation.

• If this product is being handed over to a third person, ensure that you provide them with this

manual too.

Definitions

• An informed person is a person who reads this manual.

• A qualified person has a certificate of expert qualifications.

• The authorized technician is trained and authorized by the manufacturer to perform maintenance

and servicing of the device.

• The user uses the device according to its use.

• The installer is a person professionally trained for performing hardware and/or electric installation

work and mounting of the device.

Incorrect use of the device can lead to damage to the device, property or injury to the user. To

reduce risk, the manual points out important information with the use of symbols.

These symbols indicate various risks for the user or the device.

A notice holding important information regarding requirements of the manufacturer

and the device.

Important information

Symbols

Important information

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.

Important information

4Air-to-Water Heat Pump

• Read Owner’s manual and Installation manual before installation.

• Any altering or replacement of original components of the device voids the

manufacturer’s guarantee for safe and functional operation. The

manufacturer is not responsible for the consequences and will not

acknowledge claims for damages in these cases of undesignated and

incorrect use of the device. The user is solely responsible for injuries and

damages on the device itself or on other objects resulting from undesignated

and incorrect use of the device.

• The installation of the device has to be performed in accordance with the

manual; otherwise the manufacturer does not acknowledge the warranty.

• High pressure can cause to safety valve to leak water. Make sure the

drainage pipe is open to atmospheric pressure.

• Failure to comply with the manual and good practice while connecting the

device to the power supply can lead to serious injury or death.

• Connecting the device to the power source can only be performed by a

qualified personnel.

• It is prohibited to move, shift, clean or service the device while in operation.

• It is prohibited to play with the device. Children are not allowed to clean the

device without supervision.

• The device can be operated independently only by informed persons who

are familiar with the safe operation of the device and understand possible

hazards of its operation. Children older than 8 and people with reduced

physical and mental capacities and with lack of experience and knowledge

can only operate the device under the supervision of an informed person.

• Before installation and any further adjustments to the device it is necessary

to consider the manual for safe use and maintenance.

• The installation has to be performed in accordance with national regulations

on electrical installations and with the instructions of the manufacturer. It has

to be performed by a professionally trained person.

• It has to be made sure that the device does not endanger anybody. Access

Safety warnings and instructions

General

Important information

Installation Manual 5

ENGLISH

to the device has to be denied to children and persons who are not informed

about the operation of the device.

• The device must never be cleaned with cleaning agents containing sand,

soda, acid or chlorides because these might damage the surface of the

device.

• The device contains fluorinated greenhouse gas. Hence, installation,

servicing and working with the coolant/device can only be performed by the

authorised personnel. While performing works on the device it is necessary

to prevent the leaking of the refrigerant into the atmosphere.

• It is necessary to consider all technical data and instructions in this manual

including all warnings and notes during planning, design, installation and use

of the device.

• Electrical installations have to be inspected in accordance with regulations

on requirements for low voltage in buildings by a qualified personnel.

• Connecting the devices power cable must be performed by a qualified

electrician. The device must be disabled during the procedure.

• In case the power cable of the device is damaged, it has to be replaced. The

replacement can only be performed by the manufacturer and authorized

maintenance worker.

• Before opening the device disconnect all electrical circuits and make sure

the device is not under voltage.

• Do not use a defective or underrated circuit breaker. Use this appliance on a

dedicated circuit.

• For electrical work, contact the dealer, seller, a qualified electrician, or an

Authorized Service Center.

• Always ground the unit.

• Install the panel and the cover of control box securely.

• Always install a dedicated circuit and breaker.

• Use the correctly rated breaker or fuse.

• Do not modify or extend the power cable.

• Do not install, remove, or reinstall the unit by yourself (customer).

• For antifreeze, always contact the dealer or an authorized service center.

• For installation, always contact the dealer or an Authorized Service Center.

• Do not install the unit on a defective installation stand.

• Be sure the installation area does not deteriorate with age.

• Do not install the water pipe system as Open loop type.

• Use a vacuum pump or inert (nitrogen) gas when doing leakage test or

purging air. Do not compress air or oxygen and do not use flammable gases.

• Make sure the connected condition of connector in product after

maintenance.

6Air-to-Water Heat Pump

• Do not touch leaked refrigerant directly.

• Take care to ensure that power cable could not be pulled out or damaged

during operation.

• Do not place anything on the power cable.

• Do not plug or unplug the power supply plug during operation.

• Do not touch (operate) the unit with wet hands.

• Do not place a heater or other appliances near the power cable.

• Do not allow water to run into electric parts.

• Do not store or use flammable gas or combustibles near the unit.

• Do not use the unit in a tightly closed space for a long time.

• When flammable gas leaks, turn off the gas and open a window for

ventilation before turning the unit on.

• If strange sounds, or small or smoke comes from unit, turn the breaker off or

disconnect the power supply cable.

• Stop operation and close the window in storm or hurricane. If possible,

remove the unit from the window before the hurricane arrives.

• Do not open the front cover of the unit while operation. (Do not touch the

electrostatic filter, if the unit is so equipped.)

• Do not touch any electric part with wet hands. you should be power off

before touching electric part.

• Do not touch refrigerant pipe and water pipe or any internal parts while the

unit is operating or immediately after operation.

• If you touch the pipe or internal parts, you should be wear protection or wait

time to return to normal temperature.

• Turn the main power on 6 hours ago before the product starting operation.

• Do not touch electric parts for 10 minutes after main power off.

• The inside heater of product may operate during stop mode. It is intended to

protect the product.

• Be careful that some part of the control box are hot.

• When the unit is soaked (flooded or submerged), contact an Authorized

Service Center.

• Be cautious that water could not be poured to the unit directly.

• Ventilate the unit from time to time when operating it together with a stove,

etc.

• Turn the main power off when cleaning or maintaining the unit.

• Take care to ensure that nobody could step on or fall onto the unit.

• For installation, always contact the dealer or an Authorized Service Center.

• If the unit is not used for long time, we strongly recommend not to switch off

the power supply to the unit.

Important information

Installation Manual 7

ENGLISH

Important information

• Putting any kinds of items on or next to the device is prohibited.

• The device must not be placed in a room where it cannot be removed. Later

walling or setting up of other obstacles next to the device is forbidden.

• For the correct operation of the device, the electrical distributor has to

provide electricity of adequate quality (SIST EN 50160). In normal conditions

this is within ± 10 % of the rated voltage. The data about the state of the

electrical grid have to be acquired from the electrical distributor.

• Connecting the device to the electric grid has to be performed in accordance

with the standards. The device has to be connected to the electric grid via

the power supply cut-off which is installed into the electrical installation

under the regulations in force. The power supply cut-off has to separate all

contacts under the regulations of the overvoltage category III.

• Always check for gas (refrigerant) leakage after installation or repair of unit.

• Keep level even when installing the unit.

• Use two or more people to lift and transport the unit.

• Do not use the unit for special purposes, such as preserving foods, works of

art, etc.

• Use a soft cloth to clean.

Do not use harsh detergents, solvents, etc.

• Do not step on or put anything on the unit.

• Use a firm stool or ladder when cleaning or maintaining the unit.

• Do not turn on the breaker or power under condition that front panel cabinet,

top cover, control box cover are removed or opened.

• The drainage hole of the safety valve must be directed downwards. Make

sure it does not freeze A yearly inspection of the safety valve is necessary to

ensure its proper operation; when performing it, remove lime deposits and

make sure the safety valve is not blocked.

• In order to avoid a hazard due to inadvertent resetting of the thermal cut-out,

this appliance must not be supplied through an external switching device,

such as a timer, or connected to a circuit that is regularly switched on and off

by the utility.

8Air-to-Water Heat Pump

Important information

The manufacturer guarantees that the device is in accordance with current European directives and

standards. The device is marked with the mark CE and it has all the necessary documentation.

We reserve the right to make changes to the manual without prior notice.

As manufacturer we do not take responsibility for the consequences arising from:

• Non-compliance with the manual for the device.

• Incorrect and/or inadequate maintenance of the device.

• Non-compliance with the manual for the installation of the device.

The installer is responsible for installing the device in accordance with the following requirements:

• To thoroughly study the instructions for use and installation accompanying the device before

installation.

• To install the device in accordance with the instructions and national legislation, policies and

standards in force.

For ensuring unobstructed and effective operation of the device the user has to follow the following

instructions:

• To thoroughly study the instructions for use and installation accompanying the device before use.

• To have a qualified and authorized installer perform the installation of the device.

• Ensure regular yearly inspections and maintenance of the device by the authorized maintenance

worker.

• Store this manual in an appropriate dry place close to the device.

Obligations of the user

Obligations of the installer during installation

Obligations of the manufacturer

Installation Manual 9

ENGLISH

Installation Part

Thank you for choosing LG Electronics Air-to-Water Heat Pump

Before starting installation, please ensure that all parts are found inside the product box.

INDOOR UNIT BOX

Item Image Quantity

Indoor unit

Installation Manual

www.lg.com

Pleaseread this installation manual completely before installing the product.

Installationwork must be performed in accordance with the national wiring

standardsby authorized personnel only.

Pleaseretain this installation manual for future reference after reading it

thoroughly.

INSTALLATIONMANUAL

AIR

CONDITIONER

Owner's Manual

www.lg.com

Pleaseread this manual carefully before operating

yourset and retain it for future reference.

OWNER’S MANUAL

AIR

CONDITIONER

OUTDOOR UNIT BOX

Item Image Quantity

Outdoor Unit

(Product heating capacity : 9 kW)

Outdoor Unit

(Product heating capacity :

12 kW, 14 kW, 16 kW)

Accessory Box

Item Image Quantity

Modbus Converter

(PP485B00K)

12345678

10 Air-to-Water Heat Pump

General Information

With advanced inverter technology, is suitable for applications like under floor heating,

under floor cooling, and hot water generation. By Interfacing to various accessories user can

customize the range of the application.

In this chapter, general information of is presented to identify the installation procedure.

Before beginning installation, read this chapter carefully for useful hints on installation techniques.

Model number nomenclature

Factory Model Name

AH N W 1660 6 B 0

Series Number

Function

B: DHW tank inegrated with Buffer tank

D: DHW tank integrated

Heater Capacity (kW)

06 : 6 kW

Heater Electrical ratings

6 : 1 phase 220-240 V AC 50 Hz

Heating Capacity (kW)

16 : 16 kW

Model Type

W : Inverter Heat Pump H : Heat Pump

Classification

N : Indoor Unit

Air-to-Water Heat Pump for R410A

AHUW 0 9 6 A 3

Series Number

Function

A : General heating heat pump

Electrical ratings

6 : 1 phase 220-240 V AC 50 Hz 8 : 3 phase 380-415 V AC 50 Hz

Heating Capacity (kW)

09 : 9 kW 12 : 12 kW

14 : 14 kW 16 : 16 kW

Model Type

W : Inverter Heat Pump

Classification

U : Outdoor Unit

Air-to-Water Heat Pump for R410A

3. Series

Model Information

General Information

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