LG THERMA V HM141MR Bedienungsanleitung

INSTALLATION MANUAL

AIR-TO-WATER

HEAT PUMP

www.lg.com

MFL68026607

Rev.16_092722

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.

PORTUGUÊS

MAGYAR

БЪЛГАРСКИ

SRPSKI

HRVATSKI

SLOVENŠČINA

DANSK

ENGLISH ITALIANO ESPAÑOL

FRANÇAIS

DEUTSCH

ΕΛΛΗΝΙΚΆ

ČEŠTINA

NEDERLANDS

POLSKI

LIMBA ROMÂNĂ

TABLE OF CONTENTS

ENGLISH

7PREFACE

[Chapter 1]

8SAFETY INSTRUCTIONS

[Chapter 2]

16 INSTALLATION PART

[Chapter 3]

17 GENERAL INFORMATION

17 Model Information

19 Model name and related information

20 Parts and Dimensions

26 Control Parts

28 Remote Controller

29 Typical Installation Example

35 Cycle Diagram

38 Water cycle

[Chapter 4]

41 INSTALLATION

41 Transporting the Unit

42 Installation places

43 Multiple installation

45 Installation at Seaside

45 Seasonal Wind and Cautions in Winter

46 Foundation for Installation

47 Electrical Wiring

57 Wiring of main power supply and equipment capacity

58 Water Piping and Water Circuit Connection

59 Pipe Insulation

60 Water Charging

61 Water pump Capacity

61 Pressure Drop

62 Performance curve

63 Water Quality

63 Frost protection by antifreeze

TABLE OF CONTENTS

ENGLISH

64 Frost protection by antifreeze valve

66 Water Volume and Expansion Vessel Pressure

[Chapter 5]

67 ACCESSORIES INSTALLATION

67 Accessories supported by LG Electronics

69 Accessories supported by 3rd party Companies

70 Before Installation

70 Thermostat

75 2nd Circuit

80 3rd Party Boiler

81 3rd Party Controller

82 Meter Interface

83 Central Controller

84 Remote Controller

88 DHW Tank

93 DHW Tank Kit

95 Solar Thermal Kit

97 Dry Contact

99 External Controller - Setting up programmable digital input operation

100 Remote Temperature Sensor

103 Solar pump

104 External pump

105 Wi-ﬁ Modem

106 Energy State

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

108 2Way Valve

110 3Way Valve(A)

111 3Way Valve(B)

112 Electric Heater

118 Typical Installation Example

120 Final check

[Chapter 6]

121 CONFIGURATION

121 DIP Switch Setting

[Chapter 7]

131 SERVICE SETTING

131 How to enter service setting

131 Service setting

TABLE OF CONTENTS

ENGLISH

132 Service Contact

133 Model Information

134 RMC Version lnformation

135 Open Source License

[Chapter 8]

136 INSTALLER SETTING (For 3 Series)

136 How to enter installer setting

137 Installer setting (For 3 Series)

139 3 Minutes Delay

140 Select Temperature Sensor

141 Dry Contact Mode

142 Central Control Address

143 Pump test run

144 Air cooling set temp

145 Water cooling set temp

146 Air heating set temp

147 Water heating set temp

148 DHW set temp

149 Screed drying

151 Heater on temperature

153 Water supply off temp. during cooling

155 Tank disinfection setting 1, 2

156 Tank setting1

157 Tank setting2

159 Heater priority

160 DHW time setting

162 TH on/off Variable, heating air

163 TH on/off Variable, heating water

164 TH on/off Variable, cooling air

165 TH on/off Variable, cooling water

166 Heating temp. setting

167 Cooling temp. setting

168 Pump setting in heating

169 Pump setting. in cooling

170 Forced operation

171 CN_CC

172 Pump Capacity

173 Seasonal auto temp

175 Modbus Address

176 CN_EXT

177 Anti-freezing Temperature

TABLE OF CONTENTS

ENGLISH

178 Add Zone

179 Use External Pump

180 3rd Party Boiler

181 Meter Interface

182 Pump Prerun/Overrun

183 Solar Thermal System

185 Energy state

188 Data logging

189 Password Initialization

190 INSTALLER SETTING (For 4 Series)

193 Select Temperature Sensor

194 Use Heating Tank Heater

195 Mixing Circuit

197 Use External Pump

198 RMC master/slave

199 LG Therma V Conﬁguration

200 Forced operation

201 Pump Prerun/Overrun

202 Water Flow Control

203 Energy Monitoring

204 Anti-Freezing Option 1

205 Password Reset

206 Screed drying

208 Heater on temperature

209 Air heating set temp.

210 Water heating set temp.

211 Hysteresis Room Air(Heating)

212 Hysteresis Heating Water

213 Heating temp. setting

214 Pump setting in heating

215 Air cooling set temp.

216 Water cooling set temp.

217 Water supply off temp. during cooling

219 Hysteresis Room Air(Cooling)

220 Hysteresis Cooling Water

221 Cooling temp. setting

222 Pump setting in cooling

223 Seasonal auto temp.

226 Heater priority

227 DHW set temp.

228 Tank disinfection setting 1, 2

229 Tank setting1

TABLE OF CONTENTS

ENGLISH

230 Tank setting2

232 DHW time setting

234 Recirculation time

235 Solar Thermal System

237 Pump test run

238 Frost Protection Temp.

239 Dry Contact Mode

240 Central Control Address

241 CN_CC

242 LG Therma V Conﬁguration

243 Energy state

246 Thermostat control type

247 Pump operation time

248 IDU operation time

249 Modbus Address

250 Modbus gateway memory map

253 CN_EXT

254 3rd Party Boiler

255 Meter Interface

256 Current ﬂow rate

257 Data logging

[Chapter 9]

258 COMMISSIONING

258 Check List before Starting Operation

259 Starting Operation

260 Starting Operation ﬂow chart

260 Airborne Noise Emission

261 Vacuum & Charge of Refrigerant

263 How to drain remaining water in the product

264 Troubleshooting

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 nine chapters. These chapters are classified according

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

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 unit.

• Installation location, constraints on installation site, etc

• Electrical wiring at the unit.

• System set-up and configuration.

• Information about water pump

Chapter 5

• Information about supported accessories

• Specification, Constraints, and wiring are described.

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

one.

Chapter 6

• Information about DIP switch setting

Chapter 7

• check and input service contact

• information about model and open source license

Chapter 8

• Information on the installer setup mode that sets the detailed functions of the

remote control

• Incorrectly setting the installer setup mode may result in product failure, personal

injury, or property loss, so this chapter requires a deeper understanding

Chapter 9

• 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 (for 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.

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.

• 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 authorizes

their competence to handle refrigerants safely in accordance

with an industry recognized assessment specification.

• Pipe-work shall be protected from physical damage and shall

not be installed in an unventilated space, if that space is

smaller than

1) The minimum floor area : 49.4 m2

2) The maximum refrigerant charge amount : 2.4 kg

• 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.

• Ducts connected to an appliance shall not contain an ignition

source.

• 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.

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