LG Hydro Kit User manual

ENGLISH

РУССКИЙ ЯЗЫК

ITALIANO ESPAÑOL FRANÇAIS DEUTSCH

ΕΛΛΗΝΙΚΆ

ČEŠTINA

NEDERLANDS

POLSKI

LIMBA ROMÂNĂ

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.

[

Representative

] LG Electronics Inc. EU Representative : LG Electronics European Shared

Service Center B.V. Krijgsman 1, 1186 DM Amstelveen, The Netherlands

[Manufacturer] LG Electronics Inc. Changwon 2nd factory 84, Wanam-ro, Seongsan-gu,

Changwon-si, Gyeongsangnam-do, KOREA

INSTALLATION MANUAL

AIR-TO-WATER

HEAT PUMP

Hydro Kit

Original instruction

www.lg.com

MFL67086712

Rev.03_082119

Table of contents

Hydro Kit

3 SAFETY PRECAUTIONS

7 INSTALLATION PARTS

8 GENERAL INFORMATION

8 Model Information

10 General Information

11 INSTALLATION

11 Transporting the Unit

12 Selection of the best location

12 Installation Space

14 Foundation for Installation

15 Water Piping and Water Circuit Connection

18 Installation Scenes

25 Refrigerant Piping

28 How to connect wirings

29 Wiring Connection

31 Connecting Cables

34 Independent Power Module

36 ACCESSORIES INSTALLATION

36 Location of Accessories and External Parts Connection

38 Main Pump Connection

38 Water tank temperature sensor Connection

39 Thermostat

43 Remote Temperature Sensor

44 3Way Valve

46 2Way Valve

47 Dry Contact

49 External Controller

50 External pump

51 Wi-fi Modem

52 Smart Grid

53 SYSTEM SET-UP

53 DIP Switch Setting

56 Group Control Setting

60 Installer Setting

73 TEST RUN

73 Caution before Operation Test

73 Operation Test of Water Pipe

74 Troubleshooting

76 Airborne Noise Emission

76 Limiting concentration

76 Model Designation

TABLE OF CONTENTS

Safety Precautions

Hydro Kit

Installation Manual 3

ENGLISH

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 unit.

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.

nMeanings 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.

Safety Precautions

Installation

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

appliance on a dedicated circuit.

- There is risk of fire or electric shock.

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

or an Authorized Service Center.

- There is risk of fire or electric shock.

• Always ground the unit.

- 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.

• Always install a dedicated circuit and breaker.

- Improper wiring or installation may cause fire or electric shock.

• Use the correctly rated breaker or fuse.

- There is risk of fire or electric.

• Do not modify or extend the power cable.

- There is risk of fire or electric shock.

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

- There is risk of fire, electric shock, explosion, or injury.

WARNING

CAUTION

WARNING

Safety Precautions

Hydro Kit

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

center.

- Almost the antifreeze is a toxic product.

• The refrigerant of this product is R410A.

- The installation tool such as manifold gauge should be complied

with R410A.

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

Center.

- There is risk of fire, electric shock, explosion, or injury.

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

- It may cause injury, accident, or damage to the unit.

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

- If the base collapses, the unit could fall with it, causing property

damage, unit failure, and personal injury.

• Do not install the unit outdoor.

- It may cause damage to the unit.

• 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.

- There is the risk of death, injury, fire or explosion.

• Means for disconnection must be incorporated in the fixed wiring in

accordance with the wiring rules.

• This equipment shall be provided with a supply conductor

complying with the national regulation.

Operation

• 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.

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

- There is risk of fire or electric shock.

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

- There is risk of fire or electric shock.

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

- There is risk of fire or electric shock.

Safety Precautions

Hydro Kit

Installation Manual 5

ENGLISH

• Do not allow water to run into electric parts.

- There is risk of fire, failure of the unit, or electric shock.

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

- There is risk of fire or failure of unit.

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

- It may cause damage to the unit.

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

ventilation before turning the unit on.

- There is risk of explosion or fire.

• If strange sounds, or smell or smoke comes from unit, turn the

breaker off or disconnect the power supply cable.

- There is risk of electric shock or fire.

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

possible, remove the unit from the window before the hurricane

arrives.

- There is risk of property damage, failure of unit, or electric shock.

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

touch the electrostatic filter, if the unit is so equipped.)

- There is risk of physical injury, electric shock, or unit failure.

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

Authorized Service Center.

- There is risk of fire or electric shock.

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

- There is risk of fire, electric shock, or unit damage.

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

a stove, etc.

- There is risk of fire or electric shock.

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

- There is risk of electric shock.

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

- This could result in personal injury and unit damage.

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

Center.

- There is risk of fire, electric shock, explosion, or injury.

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

switch off the power supply to the unit.

- There is risk of water freezing.

Safety Precautions

Hydro Kit

Installation

• Always check for gas (refrigerant) leakage after installation or

repair of unit.

- Low refrigerant levels may cause failure of unit.

• Keep level even when installing the unit.

- To avoid vibration or water leakage.

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

- Avoid personal injury.

Operation

• Do not lay on the cooled floor for long time when the unit is in

cooling operation.

- This could harm to your health.

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

works of art, etc.

- There is risk of damage or loss of property.

• Use a soft cloth to clean. Do not use harsh detergents, solvents,

etc.

- There is risk of fire, electric shock, or damage to the plastic parts

of the unit.

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

- There is risk of personal injury and failure of unit.

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

- Be careful and avoid personal injury.

• Do not unplug the power supply plug of Hydro Kit when stopping

Hydro Kit operation. Always turn Hydro Kit off, using the wired

remote controller.

- A plate heat exchanger burst may happen because of

disconnection of communication between Hydro Kit and the

outdoor unit.

CAUTION

Installation Parts

Hydro Kit

Installation Manual 7

ENGLISH

Item Image Quantity

Remote Cotroller

/ Cable

Sensor Holder 1

Water Tank Temperature

Sensor 1

Strainer 1

Independent

Power Module

(For Medium Temperature)

Installation Manual 1

Owner's Manual 1

CN_EXT Cable 1

Installation Parts

Thank you for choosing LG Electronics

Hydro Kit

Before starting installation, please make it sure that all parts are found inside the unit box.

Please readthis install ation manual completelybefore installing the product.

Installation work must be performed in accordancewith the national wiring

standardsby authorized personnel only.

Please retainthis install ation manual for futurereference after reading it thoroughly

[

Representative

]LG Electronics Inc. EU Representative : LG Electronics EuropeanShared

ServiceCenter B.V. Krijgsman 1, 1186 DM Amstelveen,The Netherlands

[Manufacturer]LG Electronics Inc. Changwon 2nd factory 84, Wanam-ro, Seongsan-gu,

Changwon-si,Gyeongsangnam-do, KOREA

INSTALLATIONMANUAL

AIR-TO-WATER

HEAT PUMP

Hydro Kit

Originalinstruction

www.lg.com

MFL67086712

Rev.00_101118

001

ENGLISH

ɊɍɋɋɄɂɃəɁɕɄ

ITALIANO ESPAÑOL FRANÇAIS DEUTSCH

ǼȁȁǾȃǿȀǱ

ČEŠTINA

NEDERLANDS

POLSKI

LIMBAROMÂNĂ

www.lg.com

P/NO:MFL67870215

Pleaseread thismanual carefully beforeoperating your set and retainitfor future

reference.

HydroKit(ForHigh Temperature)

Originalinstruction

OWNER’SMANUAL

AIR

CONDITIONER

[

Representative

]

LGElectronicsInc. EURepresentative:LGElectronics European Shared

ServiceCenter B.V. K rijgsman 1, 1186 DM Amstelveen, The Netherlands

[Manufacturer]LGElectronics Inc. Changwon 2nd factory 84, Wanam-ro, Seongsan-

gu,Changwon-si, Gyeongsangnam-do, KOREA

ITALIANO ESPAÑOL

FRANÇAIS

DEUTSCH

фъъцьшщُ

ČEŠTINA

NEDERLANDS

POLSKI

LIMBA ROMÂNĂ

ENGLISH

General Information

Hydro Kit

Model Information

With advanced inverter technology,

Hydro Kit

is suitable for applications like under floor heating,

and hot water generation. By Interfacing to various accessories user can customize the range of the

application.

Model name and related information

• For Medium Temperature

*1 : Tested under Eurovent Heating condition

(water temperature 30 °C → 35 °C at outdoor ambient temperature 7 °C / 6 °C)

*2 : Tested under Eurovent Cooling condition

(water temperature 23 °C → 18 °C at outdoor ambient temperature 35 °C / 24 °C)

- Max Allowable pressure

High side : 4.2 MPa / Low Side : 2.4 MPa

- Max Allowable water temperature

High side : 50 °C / Low side : 10 °C

- Max Allowable water pressure 0.98 MPa (0.3~10 kgf/cm2)

Type Hydro Kit

Power Supply Ø, V, Hz

Capacity

Cooling

kcal/h

Btu/h

Heating

kcal/h

Btu/h

General Information

10 4

1, 220-240, 50

28 12.3

24 100 10 580

95 900 42 000

31.5 13.8

27 100 11 870

107 500 47 000

General Information

Hydro Kit

Installation Manual 9

ENGLISH

• For High Temperature

*1 : Tested under Eurovent Heating condition

(Water temperature 55 ℃ → 65 ℃ at outdoor ambient temperature 7 ℃ / 6 ℃)

- Max Allowable pressure

High side : 4.2 MPa / Low Side : 2.4 MPa

- Max Allowable water temperature

High side : 80 °C / Low side : 10 °C

- Max Allowable water pressure 0.98 MPa (0.3~10 kgf/cm2)

Type

Hydro Kit

Power Supply Ø, V, Hz

Capacity Heating

kcal/h

Btu/h

Refrigerant Type

Quantity kg(lbs)

1, 220-240, 50

25.2 13.8

21 700 11 870

85 900 47 000

R134a

3(6.6) 2.3(5.04)

General Information

Hydro Kit

General Information

Accessories supported by LG Electronics

To extend the functionality of

Hydro Kit

, there are various external auxiliary apparatus called as

"accessories".

They are classified by "accessories" and "3rd party accessories" according to the manufacturer.

Accessories are presented LG Electronics, and 3rd party accessories are presented by related

manufacturers.

Accessories supported by 3rd party Companies

Item Purpose Specification

Solar

Thermal System

To generate auxiliary

heating energy for water tank

Thermostat To control the unit by air

temperature

Heating-Only type

(230 V AC or 24 V AC)

Cooling/Heating type

(230 V AC or 24 V AC

with Mode selection switch)

3way valve

and actuator

To control water flow for hot

water heating or floor heating

3 wire, SPDT (Single Pole Double

Throw) type, 230 V AC

2way valve

and actuator

To control water flow for

Fan Coil Unit

2 wire, NO(Normal Open) or NC

(Normal Closed) type, 230 V AC

Item Purpose Model

(Medium Temperature)

Model

(High Temperature)

Remote Air

Sensor

To control the unit by air

temperature PQRSTA0 PQRSTA0

Dry Contact To receive on & off external

signal

PDRYCB000 /

PDRYCB100 /

PDRYCB300

PDRYCB000 /

PDRYCB100 /

PDRYCB300

Solar Thermal Kit To operate with sanitary

water tank PHLLA

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