LG THERMA V HN0913T 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

MFL68681836

Rev.02_101123

ENGLISH ITALIANO ESPAÑOL FRANÇAIS DEUTSCH

ΕΛΛΗΝΙΚΆ

ČEŠTINA

NEDERLANDS

POLSKI

LIMBA ROMÂNĂ

PORTUGUÊS

MAGYAR

БЪЛГАРСКИ

SRPSKI

HRVATSKI

SLOVENŠČINA

DANSK

TABLE OF CONTENTS

ENGLISH

6PREFACE

[Chapter 1]

7SAFETY INSTRUCTIONS

[Chapter 2]

15 INSTALLATION PART

[Chapter 3]

17 GENERAL INFORMATION

17 Model Information

19 Related Information

20 Parts and Dimensions

25 Control Parts

26 Control Panel

27 Typical Installation Example

30 Cycle Diagram

31 Water cycle

[Chapter 4]

32 INSTALLATION OF OUTDOOR UNIT

32 Conditions where Outdoor Unit is Installed

32 Drill a Hole in the Wall

33 Transporting the Unit

35 Installation at Seaside

36 Seasonal wind and cautions in winter

[Chapter 5]

37 INSTALLATION OF INDOOR UNIT

37 Conditions where Indoor Unit is Installed

39 Transporting the Unit

40 Connecting Condensate drainage

40 Front Panel Removal

41 Floor area requirement : Indoor unit

TABLE OF CONTENTS

ENGLISH

42 Ventilation requirements

45 Electrical Wiring

[Chapter 6]

48 PIPING AND WIRING FOR OUTDOOR UNIT

48 Refrigerant Piping

49 Preparation for Piping

50 Connecting Pipe to Indoor Unit

50 Connecting Pipe to Outdoor Unit

53 Finalizing

54 Leakage test and Evacuation

56 Electrical Wiring

[Chapter 7]

60 PIPING AND WIRING FOR INDOOR UNIT

60 Water Piping and Water Circuit Connection

62 Connection to the Domestic hot water system

65 Connection to the Heating system

67 Water Volume and Expansion Vessel Pressure

68 Water Charging

70 Water pump Capacity

70 Pressure Drop

71 Performance curve

72 Water Quality

72 Frost protection by antifreeze

[Chapter 8]

73 ACCESSORIES INSTALLATION

74 Before Installation

75 Thermostat

78 2nd Circuit

81 3rd Party Boiler

82 3rd Party Controller

83 Meter Interface

84 Central Controller

86 Dry Contact

89 External Controller - Setting up programmable digital input operation

90 Remote Temperature Sensor

92 External pump

TABLE OF CONTENTS

ENGLISH

93 Wi-ﬁ Modem

94 Energy State

95 Digital Input for energy saving (ESS, Smart Grid)

96 2Way Valve

97 Domestic hot water expansion vessel – integrated into the unit

98 Final check

[Chapter 9]

99 CONFIGURATION

99 DIP Switch Setting

105 SERVICE SETTING

105 How to enter service setting

105 Service setting

106 Service contact

107 Model information

108 RMC version information

109 Open source license

110 INSTALLER SETTING

110 How to enter installer setting

111 Installer setting

115 Select Temperature Sensor

116 Use Heating Tank Heater

117 Mixing Circuit

120 Use External Pump

121 RMC master/slave

122 LG Therma V Conﬁguration

123 Forced operation

124 Pump Prerun/Overrun

125 Water Flow Control

126 Energy Monitoring

127 Anti-Freezing Option 1

128 Password Reset

129 Heating temp. setting

130 Air heating set temp.

131 Water heating set temp.

132 Hysteresis Heating Water

133 Hysteresis Room Air(Heating)

134 Pump setting in heating

135 Heater on temperature

136 Screed drying

TABLE OF CONTENTS

ENGLISH

138 Cooling temp. setting

139 Air cooling set temp.

140 Water cooling set temp.

141 Water supply off temp. during cooling

143 Hysteresis Cooling Water

144 Hysteresis Room Air(Cooling)

145 Pump setting in cooling

146 Seasonal auto temp.

148 DHW set temp.

149 Tank disinfection setting 1, 2

150 Tank setting 1

151 Tank setting 2

153 DHW time setting

155 Recirculation time

156 Pump test run

157 Frost Protection Temp.

158 Dry Contact Mode

159 Central Control Address

160 CN_CC

161 Modbus Address

162 Modbus gateway memory map

165 CN_EXT

166 3rd Party Boiler

167 Meter Interface

168 Energy state

169 Thermostat control type

170 Pump operation time

171 IDU operation time

172 Current ﬂow rate

173 Data logging

[Chapter 10]

174 COMMISSIONING

174 Check List before Starting Operation

175 Starting Operation

176 Starting Operation ﬂow chart

176 Airborne Noise Emission

177 Vacuum & Charge of Refrigerant

179 Decommissioning and Recycling

181 Reset of the thermal protection of the electrical heater

182 Troubleshooting

187 Open Source Software Notice Information

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.

* The feature may be vary according to the type of model.

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, refrigerant and water cycle diagram, parts

and dimensions, electrical wiring diagrams, 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

• Constrains when accessories are installed

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

• Test operation and check point while test running.

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.

SAFETY INSTRUCTIONS

ENGLISH

• Do not touch leaked refrigerant directly.

- There is risk of frostbite.

• 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.

(for R32)

• Refrigerant tubing shall be protected or enclosed to avoid

damage. (for R32)

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

R32)

• 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. (for R32)

• 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. (for

R32)

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

clean, other than those recommended by the manufacturer.

(for R32)

• Do not pierce or burn. (for R32)

• Be aware that refrigerants may not contain an odour. (for R32)

• Dismantling the unit, treatment of the refrigerant oil and

eventual parts should be done in accordance with local and

national standards. (for R32)

• 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. (for R32)

SAFETY INSTRUCTIONS

ENGLISH

• Pipe-work shall be protected from physical damage. (for R32)

• Mechanical connections (mechanical connectors or flared

joints) shall be accessible for maintenance purposes. (for R32)

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.

• 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.

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