LG THERMA V HN0916T Bedienungsanleitung

INSTALLATION MANUAL

AIR-TO-WATER

HEAT PUMP

www.lg.com

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.

Original instruction

MFL68681818

Rev.00_070220

ENGLISH ITALIANO ESPAÑOL FRANÇAIS DEUTSCH

ΕΛΛΗΝΙΚΆ

ČEŠTINA

NEDERLANDS

POLSKI

LIMBA ROMÂNĂ

PORTUGUÊS

MAGYAR

БЪЛГАРСКИ

SRPSKI

HRVATSKI

SLOVENŠČINA

TABLE OF CONTENTS

ENGLISH

5PREFACE

[Chapter 1]

6SAFETY INSTRUCTIONS

[Chapter 2]

14 INSTALLATION PART

[Chapter 3]

15 GENERAL INFORMATION

15 Model Information

17 Model name and related information

18 Parts and Dimensions

21 Control Parts

22 Control Panel

23 Typical Installation Example

26 Cycle Diagram : Internal

27 Cycle Diagram : External

28 System planning and preparation

[Chapter 4]

29 INSTALLATION OF OUTDOOR UNIT

29 Conditions where Outdoor Unit is Installed

29 Drill a Hole in the Wall

30 Transporting the Unit

32 Installation at Seaside

32 Seasonal wind and cautions in winter

[Chapter 5]

33 INSTALLATION OF INDOOR UNIT

33 Conditions where Indoor Unit is Installed

34 Transporting the Unit

35 Connecting Condensate drainage

35 Front Panel Removal

36 Floor area requirement : indoor unit

37 Ventilation requirements

40 Electrical Wiring

[Chapter 6]

43 PIPING AND WIRING FOR OUTDOOR UNIT

43 Refrigerant Piping

44 Preparation for Piping

45 Connecting Pipe to Indoor Unit

45 Connecting Pipe to Outdoor Unit

48 Finalizing

49 Leakage test and Evacuation

51 Electrical Wiring

TABLE OF CONTENTS

ENGLISH

[Chapter 7]

55 HYDRAULIC CONNECTION FOR INDOOR UNIT

55 General Considerations

57 Connection to the Domestic hot water system

60 Connection to the Heating system

62 Water Charging

63 Water pump Capacity

63 Pressure Drop

64 Performance curve

66 Water Quality

66 Frost protection

[Chapter 8]

67 ACCESSORIES INSTALLATION

68 Before Installation

68 Domestic hot water expansion vessel – integrated into the unit

69 Buffer tank – integrated into the unit

72 Thermostat

77 3rd Party Boiler

78 3rd Party Controller

79 Meter Interface

80 2 Zone Controller

81 Central Controller

83 Dry Contact

85 External Controller - Setting up programmable digital input operation

86 Remote Temperature Sensor

88 External pump

89 Wi-ﬁ Modem

90 Smart Grid

91 2Way Valve

92 Final check

[Chapter 9]

93 CONFIGURATION

93 DIP Switch Setting

99 SERVICE SETTING

99 How to enter service setting

99 Service setting

100 Service contact

101 Model information

102 RMC version information

103 Open source license

104 INSTALLER SETTING

104 How to enter installer setting

105 Installer setting

108 Overview settings

111 Select Temperature Sensor

112 Use Heating Tank Heater

113 Mixing circuit

114 Use External Pump

TABLE OF CONTENTS

ENGLISH

115 RMC master/slave

116 LG Therma V Conﬁguration

117 Forced operation

118 Pump Capacity

119 Pump Prerun/Overrun

120 Password Reset

121 Heating temp. setting

122 Air heating set temp.

123 Water heating set temp

124 TH on/off Variable, heating air

125 TH on/off Variable, heating water

126 Pump setting in heating

127 Heater on temperature

128 Screed drying

130 Cooling temp. setting

131 Air cooling set temp

132 Water cooling set temp

133 Water supply off temp. during cooling

135 TH on/off Variable, cooling air

136 TH on/off Variable, cooling water

137 Pump setting in cooling

138 Seasonal auto temp

140 DHW set temp

141 Tank disinfection setting 1, 2

142 Tank setting 1

143 Tank setting 2

145 DHW time setting

146 Pump test run

147 Frost Protection Temp.

148 Dry Contact Mode

149 Central Control Address

150 CN_CC

151 Smart Grid (SG)

152 Power Supply Blockage (Smart Grid)

153 Modbus Address

154 CN_EXT

155 3rd Party Boiler

156 Meter Interface

157 Zone

159 Pump operation time

160 IDU operation time

161 Current ﬂow rate

162 Data logging

[Chapter 10]

163 COMMISSIONING

163 Check List before Starting Operation

164 Starting Operation

165 Starting Operation ﬂow chart

165 Airborne Noise Emission

166 Vacuum & Charge of Refrigerant

169 Decommissioning and Recycling

171 Troubleshooting

176 Reset of the thermal protection of the electric heater

PREFACE

ENGLISH

PREFACE

This installation manual is to present information and guide about understanding, installing,

and checking .

Your careful reading before installation is highly appreciated to make no mistake and to prevent

potential risks. The manual is divided into ten chapters. These chapters are classified according to

installation procedure. See the table below to get summarized information.

REMARK : ALL CONTENTS OF THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT NOTICE.

TO GET THE LATEST INFORMATION, PLEASE VISIT LG ELECTRONICS WEB SITE.

Chapters Contents

Chapter 1

• Warning and Caution concerned with safety.

• This chapter is directly related with human safety. We strongly recommend reading this

chapter carefully.

Chapter 2

• Items Inside product Box

• Before starting installation, please make it sure that all parts are found inside the product

box.

Chapter 3

• Fundamental knowledge about

• Model identification, accessories information, cycle diagram, parts and dimensions, etc.

• This chapter is important to understand

Chapter 4

• Installation about the outdoor unit.

• Installation location, constraints on installation site, etc

Chapter 5

• Installation about the indoor unit.

• Installation location, constraints on installation site, etc

Chapter 6

• How to perform piping (for refrigerant) and wiring at the outdoor unit.

• Refrigerant pipe connection between the indoor unit and the outdoor unit.

• Electrical wiring at the outdoor unit.

Chapter 7

• How to perform piping (for water) and wiring at the indoor unit.

• Water pipe connection between the indoor unit and pre-built under floor water loop pipe.

• Electrical wiring at the indoor unit.

• System set-up and configuration.

• As many control parameters of is adjustable by control panel, deep

understanding about this chapter is required to secure the operation flexibility of

• For more detailed information, please read the separate operation manual to use control

panel and adjust control parameters.

Chapter 8

• Information about supported accessories

• Specification, Constraints, and wiring are described.

• Before purchasing accessories, please find supported specification to buy proper one.

Chapter 9

• Information about installation setting.

• Dip switch, service, installer setting etc.

Chapter 10

• Check points before starting operation are explained.

• Troubleshooting, maintenance, and error code list are presented to correct problems.

SAFETY INSTRUCTIONS

ENGLISH

WARNING

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.

Read the precautions in this

manual carefully before

operating the unit.

This appliance is filled with

flammable refrigerant (R32)

This symbol indicates that

the Operation Manual should

be read carefully.

This symbol indicates that a

service personnel should be

handling this equipment with

reference to the Installation

Manual.

SAFETY INSTRUCTIONS

WARNING

This indicates that the failure to follow the instructions can

cause serious injury or death.

CAUTION

This indicates that the failure to follow the instructions can

cause the minor injury or damage to the product.

This symbol is displayed to indicate matters and

operations that can cause risk. Read the part with this

symbol carefully and follow the instructions in order to

avoid risk.

The following safety guidelines are intended to prevent

unforeseen risks or damage from unsafe or incorrect operation

of the appliance. The guidelines are separated into ‘WARNING’

and ‘CAUTION’ as described below.

SAFETY INSTRUCTIONS

ENGLISH

• 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

• For antifreeze, always contact the dealer or an authorized

service center.

- Almost the antifreeze is a toxic product.

• 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 water pipe system as Open loop type.

- It may cause failure of 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.

• Make sure the connected condition of connector in product

after maintenance.

- Otherwise, it may cause product damage.

• Do not touch leaked refrigerant directly.

- There is risk of frostbite.

SAFETY INSTRUCTIONS

ENGLISH

• Copper in contact with refrigerants shall be oxygen-free or

deoxidized, for example Cu-DHP as specified in EN 12735-1

and EN 12735-2.

• Compliance with national gas regulations shall be observed.

• Refrigerant tubing shall be protected or enclosed to avoid

damage.

• The installation of pipe-work shall be kept to a minimum.

• A brazed, welded, or mechanical connection shall be made

before opening the valves to permit refrigerant to flow

between the refrigerating system parts. A vacuum valve shall

be provided to evacuate the interconnecting pipe and/or any

uncharged refrigerating system part.

•

Any person who is involved with working on or breaking into a

refrigerant circuit should hold a current valid certificate from an

industry-accredited assessment authority, which authorises

their competence to handle refrigerants safely in accordance

with an industry recognised assessment specification.

• Do not use means to accelerate the defrosting process or to

clean, other than those recommended by the manufacturer.

• Do not pierce or burn.

• Be aware that refrigerants may not contain an odour.

• Dismantling the unit, treatment of the refrigerant oil and

eventual parts should be done in accordance with local and

national standards.

• Flexible refrigerant connectors (such as connecting lines

between the indoor and outdoor unit) that may be displaced

during normal operations shall be protected against mechanical

damage.

• Pipe-work shall be protected from physical damage.

• Mechanical connections (mechanical connectors or flared

joints) shall be accessible for maintenance purposes.

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.

SAFETY INSTRUCTIONS

ENGLISH

• 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.

• 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.

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

power off 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.

SAFETY INSTRUCTIONS

ENGLISH

• 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.

• Turn the main power on 6 hours ago before the product

starting operation.

- Otherwise, it may cause compressor damage.

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

off.

- There is risk of physical injury, electric shock.

• 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.

- There is risk of physical injury or burns.

• 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.

• 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.

• The appliance shall be stored in a well-ventilated area where

the room size corresponds to the room area as specified for

operation.

• The appliance shall be stored in a room without continuously

operating open flames (for example an operating gas

appliance) and ignition sources (for example an operating

electric heater).

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