LG THERMA V Bedienungsanleitung

Please read this manual carefully before operating your set and retain it for future

reference.

(Air-to-Water Heat Pump)

Original instruction

OWNER’S MANUAL

AIR-TO-WATER

HEAT PUMP

MFL69676301

Rev.00_050219

www.lg.com

ENGLISH ITALIANO ESPAÑOL FRANÇAIS DEUTSCH ΕΛΛΗΝΙΚΆ ČEŠTINA

NEDERLANDS

POLSKI

LIMBA ROMÂNĂ

Table of contents

2Air-to-Water Heat Pump

TABLE OF CONTENTS

3 Safety Precautions

8 Instructions for the use of

owner’s manual

8 Important information

9 Glossary of used terms and conceptions

10 TERMOTRONIC controller

10 General

10 Controlling the device and heating system

11 Activating the device

11 Operation of the device

12 Standby

12 Operation HP STOP

12 Device HP STOP

13 Power outage

13 Display of the state of the device

14 Setting parameters

15 Setting the language

16 Quick settings

16 Setting the temperature of heating/cooling

18 Setting the temperature of heated water

21 Setting the temperature of DHW

22 Changing the operational mode -

winter/summer mode

24 Setting the cooling temperature

25 Switching on the additional heat source

26 Manual activation of the additional heat

source

28 Advanced settings

29 Heating settings

37 Operating mode

37 Setting the cooling system

38 Schedules

42 Alternative source

43 Programme for drying screeds

44 Meters for operating hours

45 Setting the date, hour and day of the week

45 Remote turn on/off

46 PV signal

46 Silent operation mode

47 User menus and parameters

47 Menu structure

54 Information display of

operation

55 Diagnostic displays

56 Display of the state of the device

58 Disruptions in operation,

alarms and troubleshooting

58 Troubleshooting

60 Maintenance and Service

60 Maintenance Activities

60 When the unit is not Operating

60 Call the service immediately in the following

situations

61 Settings of your heating

system at start-up

62 Search the Manual Using

Your Mobile

Safety Precautions

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

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

the following indications.

This symbol indicates the possibility of death or serious injury.

This symbol indicates the possibility of injury or damage.

ENGLISH

Owner’s Manual 3

• This appliance is not intended for use by persons (including children) with

reduced physical, sensory or mental capabilities, or lack of experience and

knowledge, unless they have been given supervision or instruction

concerning use of the appliance by a person responsible for their safety.

Children should be supervised to ensure that they do not play with the

appliance.

• This appliance can be used by children aged from 8 years and above and

persons with reduced physical, sensory or mental capabilities or lack of

experience and knowledge if they have been given supervision or

instruction concerning use of the appliance in a safe way and understand

the hazards involved. Children shall not play with the appliance. Cleaning

and user maintenance shall not be made by children without supervision.

• 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.

- There is risk of fire or electric shock.

• 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.

WARNING

CAUTION

WARNING

4Air-to-Water Heat Pump

Safety Precautions

• 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 unit on a moving base or a place from where it can fall

down.

- The falling 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.

• 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.

Safety Precautions

ENGLISH

Owner’s Manual 5

• 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.

• In 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.

• 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 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.

- Almost the antifreeze is a toxic product.

Safety Precautions

6Air-to-Water Heat Pump

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

before touching electric part.

- There is risk of electric shock or fire.

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

unit is operating or immediately after operation.

- There is risk of burns or frostbite, personal injury.

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

time to return to normal temperature.

- Otherwise , it may cause burns or frostbite, personal injury.

• Do not touch leaked refrigerant directly.

- There is risk of frostbite.

• Make sure to install mixing valve (field supply). The mixing valve is setting

the water temperature. The hot water temperature maximum values shall be

selected according to the applicable legislation.

• Do not heated to a temperature of more than provided by the product.

- Otherwise, it may cause fire or damage of product.

• 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 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.

CAUTION

Safety Precautions

ENGLISH

Owner’s Manual 7

• 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.

- 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.

• The hot water may not be available immediately, during disinfection

operation or depending on the amount of hot water.

• During floor heating operation it is important to limit the minimum/maximum

water temperature.

Instructions for the use of owner’s manual

8Air-to-Water Heat Pump

Before first use, read owner’s manual thoroughly and learn its content. You will learn the purpose,

functions and the handling procedures for the device.

In case of malfunctions of the heating system, firstly, read the sections(Disruptions in operation,

alarms and troubleshooting) and consult your installer who will find the reason for the malfunction

and resolve it. In case the malfunction cannot be resolved, he will contact the customer service of the

manufacturer who will resolve the malfunction.

Important information

The instructions are written to give you information on all the needed activities before the first and

further use. The manual describes the process of setting up and use of the device.

Incorrectly set parameters of the control unit can lead to stoppage or incorrect operation of the

device. To avoid risks, make note of what each symbol denotes as described below. Follow all

general safety instructions and warnings associated with the operation.

NOTE

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

manual too.

Instructions for the use of owner’s manual

ENGLISH

Owner’s Manual 9

Glossary of used terms and conceptions

- ALTERNATIVE SOURCE: The heat source is used for systems with solar collectors, masonry

heaters and wood stoves when we either do not have a heat source on hand at any moment or an

automatic switch through the signal from the controller of the device (i.e. in a wood stove) is not

possible.

- AUXILIARY EXTERNAL SOURCE: The heat source (i.e. oil/gas/pellet/external heater furnace) that

can be used with the device alternately-for example, for the controller of the device, the signal is

alternately transmitted by the automatic switch. In case of device malfunctioning(in the anti-freeze

programme), the alternative source can take over the task of heating for a short time.

- ADDITIONAL SOURCE or Backup source: The electric flow heater installed in the device and turns

on in the case of device malfunctioning (in the antifreeze program). This ensures temporary

operation for bridging the time until an authorized person from the service company arrives to

correct the error. The additional source can also be used for bivalent heating operation. This means

that in case the heat pump no longer has the heating capacity that could cover the heat losses of

the building (very low ambient temperatures), the electrical heater turns on to provide additional

heat. Both heat sources work in bivalent parallel operation.

- HEATING WATER: The liquid which flows inside the heating system (pipelines, floor, wall and

radiator heating).

- DHW: The water intended for sanitary use (cleaning, showering, washing ...).

- HEAT PUMP (HP): The device which takes energy from the environment and supplied mechanical

work and adds warmth to heating and DHW. In the text below the term ‘device’ will be used for the

heat pump.

- AW: The device takes heat from the air.

- Parameter NORMAL: The desired temperature of heating in the Normal mode of operation.

- Parameter ECO: Lowering the desired temperature in the Eco mode of operation.

- Parameter COMFORT: Raising the desired temperature in the Comfort mode of operation.

TERMOTRONIC controller

10 Air-to-Water Heat Pump

Controlling the device and heating system

The device and heating system can be controlled with the use of 4 buttons on the controller interface

TERMOTRONIC. The controller interface has a 4-line LCD screen which displays the current state of

the device or controller and a LCD light indicator of malfunctions operation of the device ALARM).

The controller interface TERMOTRONIC in devices:

General

TERMOTRONIC is a self-adapting controller for controlling the heat pump (DEVICE) and the heating

system. It controls operation of the device to ensure the most efficient way to produce the desired

temperature of the building based on the of the heating system and outside temperature.

The TERMOTRONIC controller offers controlling the device and the heating system of the building

(not more than 4 heating circuits) as well as controlling the heating with an alternative heat source,

active cooling with the device, heating DHW with the device and/or alternative heat source and/or

backup source.

Possibility of controlling the elements of the heating system with the controller TERMOTRONIC:

- 1 x Direct circuit,

- 1 x direct or mixing circuit,

- Domestic Hot Water,

- Heat curve (based on outside temperature),

- Cooling (floor, fan coil),

- Control of additional external heat source (oil or gas boiler).

With the optional expansion module, you can expand the functionality to:

- 2 x additional direct or mixing circuits,

- DHW circulation,

- Alternative heat source (Thermo-solar Collectors or Biomass furnace) for heating only.

- Display of Buffer tank temperatur

TERMOTRONIC controller

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