LG HN0916T INSTALLATION MANUAL

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.02_050621

ENGLISH

ITALIANO

ESPAÑOL

FRANÇAIS DEUTSCH

ΕΛΛΗΝΙΚΆ

ČEŠTINA

NEDERLANDS

POLSKI

LIMBA ROMÂNĂ

PORTUGUÊS

MAGYAR

БЪЛГАРСКИ

SRPSKI

HRVATSKI

SLOVENŠČINA

DANSK

TABLE OF CONTENTS

ENGLISH

5 PREFACE

[Chapter 1]

6 SAFETY INSTRUCTIONS

[Chapter 2]

14 INSTALLATION PART

[Chapter 3]

17 GENERAL INFORMATION

17 Model Information 20 Model name and related information 20 How to ﬁnd additional model information 21 Parts and Dimensions 27 Control Parts 29 Control Panel 30 Typical Installation Example 33 Cycle Diagram (For Split IWT) 34 Cycle Diagram (For Hydrosplit IWT) 35 Piping Diagram (For Split IWT) 36 Piping Diagram (For Hydrosplit IWT) 37 System planning and preparation

[Chapter 4]

38 INSTALLATION OF OUTDOOR UNIT

38 Conditions where Outdoor Unit is Installed 38 Drill a Hole in the Wall (For Split) 39 Transporting the Unit 41 Installation at Seaside 41 Seasonal wind and cautions in winter

[Chapter 5]

42 INSTALLATION OF INDOOR UNIT

42 Conditions where Indoor Unit is Installed 43 Transporting the Unit 44 Connecting Condensate drainage 44 Front Panel Removal 45 Floor area requirement : Indoor unit (For Split IWT) 46 Ventilation requirements 49 Electrical Wiring

[Chapter 6]

53 PIPING AND WIRING FOR OUTDOOR UNIT

53 Refrigerant Piping (For Split IWT) 57 Water Piping (For Hydrosplit IWT) 58 Wiring Procedure for Power Cable and Connecting Cable 61 Finalizing (For Split) 62 Finalizing (For Hydrosplit) 63 Leakage test and Evacuation (For Split IWT) 65 Electrical Wiring

TABLE OF CONTENTS

ENGLISH

[Chapter 7]

70 HYDRAULIC CONNECTION FOR INDOOR UNIT

70 General Considerations 72 Connection to the Domestic hot water system 75 Connection to the Heating system 77 Water Charging 78 Water pump Capacity 78 Pressure Drop 79 Performance curve 81 Water Quality 81 Frost protection

[Chapter 8]

82 ACCESSORIES INSTALLATION

83 Before Installation 84 Domestic hot water expansion vessel – integrated into the unit 85 Buffer tank – integrated into the unit 88 Thermostat 96 3rd Party Boiler 97 3rd Party Controller 98 Meter Interface 99 Central Controller 101 Dry Contact 104 External Controller - Setting up programmable digital input operation 105 Remote Temperature Sensor 108 External pump 109 Wi-ﬁ Modem 111 Smart Grid (For Split IWT) 112 Energy State (For Hydrosplit IWT) 113 Digital Input for energy saving (ESS, Smart Grid)(For Hydrosplit IWT) 114 2Way Valve 115 Final check

[Chapter 9]

116 CONFIGURATION

116 DIP Switch Setting (For Split IWT) 120 DIP Switch Setting (For Hydrosplit IWT)

126 SERVICE SETTING

126 How to enter service setting 126 Service setting 127 Service contact 128 Model information 129 RMC version information 130 Open source license

131 INSTALLER SETTING

131 How to enter installer setting 132 Installer setting (For Split IWT) 135 Installer setting (For Hydrosplit IWT) 138 Overview settings (For Split IWT) 141 Overview settings (For Hydrosplit IWT) 144 Select Temperature Sensor 145 Use Heating Tank Heater 146 Mixing circuit (For Split IWT) 147 Mixing Circuit (For Hydrosplit IWT) 148 Use External Pump (For Split IWT) 149 Use External Pump (For Hydrosplit IWT)

TABLE OF CONTENTS

ENGLISH

150 RMC master/slave 151 LG Therma V Conﬁguration 152 Forced operation 153 Pump Capacity (For Split IWT) 154 Pump Prerun/Overrun 155 Water Flow Control (For Hydrosplit IWT) 156 Password Reset 157 Heating temp. setting 158 Air heating set temp. 159 Water heating set temp 160 TH on/off Variable, heating air (For Split IWT) 161 TH on/off Variable, heating water (For Split IWT) 162 Hysteresis Heating Water (For Hydrosplit IWT) 163 Hysteresis Room Air(Heating) (For Hydrosplit IWT) 164 Pump setting in heating 165 Heater on temperature 166 Screed drying 168 Cooling temp. setting 169 Air cooling set temp. 170 Water cooling set temp 171 Water supply off temp. during cooling 173 TH on/off Variable, cooling air (For Split IWT) 174 TH on/off Variable, cooling water (For Split IWT) 175 Hysteresis Cooling Water (For Hydrosplit IWT) 176 Hysteresis Room Air(Cooling) (For Hydrosplit IWT) 177 Pump setting in cooling 178 Seasonal auto temp. (For Split IWT) 180 Seasonal auto temp. (For Hydrosplit IWT) 182 DHW set temp 183 Tank disinfection setting 1, 2 184 Tank setting 1 185 Tank setting 2 187 DHW time setting 189 Pump test run 190 Frost Protection Temp. 192 Dry Contact Mode 193 Central Control Address 194 CN_CC 195 Smart Grid (SG) (For Split IWT) 196 Power Supply Blockage (Smart Grid) (For Split IWT) 197 Modbus Address 198 Modbus gateway memory map (For Hydrosplit IWT) 201 CN_EXT 202 3rd Party Boiler 203 Meter Interface 204 Energy state (For Hydrosplit IWT) 205 Thermostat control type (For Hydrosplit IWT) 206 Pump operation time 207 IDU operation time 208 Current ﬂow rate 209

Data logging

[Chapter 10]

210 COMMISSIONING

210 Check List before Starting Operation 211 Starting Operation 212 Starting Operation ﬂow chart 212 Airborne Noise Emission 213 Vacuum & Charge of Refrigerant 216 Decommissioning and Recycling 218 Replacing magnesium anode 219 Troubleshooting 224 Reset of the thermal protection of the electrical heater 225 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.

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 and wiring at the outdoor unit.

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

• Water pipe connection between the indoor unit and 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).

SAFETY INSTRUCTIONS

ENGLISH

• The appliance shall be stored so as to prevent mechanical damage from occurring.

• Servicing shall only be performed as recommended by the equipment manufacturer. Maintenance and repair requiring the assistance of other skilled personnel shall be carried out under the supervision of the person competent in the use of flammable refrigerants.)

• When mechanical connectors are reused indoors, sealing parts shall be renewed. When flared joints are reused indoors, the flare part shall be re-fabricated.

• Periodic(more than once/year) cleaning of the dust or salt particles stuck on the heat exchangers by using water.

• Keep any required ventilation openings clear of obstruction.

CAUTION

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.

• In order to avoid a hazard due to inadvertent resetting of the thermal cut-out, this appliance must not be supplied through an external switching device, such as a timer, or connected to a circuit that is regularly switched on and off by the utility.

• Do not install the unit in potentially explosive atmospheres.

• The water may drip from the discharge pipe of the pressurerelief device and that this pipe must be left open to the atmosphere.

• The pressure-relief device is to be operated regularly to remove lime deposits and to verify that it is not blocked.

• A discharge pipe connected to the pressure-relief device is to be installed in a continuously downward direction and in a frost-free environment.

SAFETY INSTRUCTIONS

ENGLISH

Operation

• 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 turn on the breaker or power under condition that front panel cabinet, top cover, control box cover are removed or opened.

- Otherwise it may cause fire, electric shock, explosion or

death.

• The appliance shall be disconnected from its power source during service and when replacing parts.

• Means for disconnection must be incorporated in the fixed wiring in accordance with the wiring rules.

• The Installation kit supplied with the appliance are to be used and that old Installation kit should not be reused.

• If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or similarly qualified persons in order to avoid a hazard. Installation work must be performed in accordance with the national wiring standards by authorized personnel only.

• This equipment shall be provided with a supply conductor complying with the national regulation.

• The instructions for service to be done by specialized personnel, mandated by the manufacturer or the authorized representative may be supplied in only one Community language which the specialized personnel understand.

SAFETY INSTRUCTIONS

ENGLISH

• 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.

INSTALLATION PART

ENGLISH

(For Split IWT)

INDOOR UNIT BOX

Thank you for choosing LG Electronics Air-to-Water Heat Pump Before starting installation, please make it sure that all parts are found inside the product box.

INSTALLATION PART

Item Image Quantity

Outdoor Unit

U36A Chassis

Damper 4

Drain Cap 2

Drain Nipple 1

OUTDOOR UNIT BOX

Item Image Quantity

Indoor Unit 1

Installation

Manual

Owner's /

Installation

manual

Item Image Quantity

Shut-off valve 1

Shut-off valve

with integrated

strainer

Gasket (G1”)

Gasket (G3/4”)

INSTALLATION PART

ENGLISH

Item Image Quantity

Shut-off valve 1

Shut-off valve

with integrated

strainer

Gasket (G1”)

Gasket (G3/4”)

Item Image Quantity

Indoor Unit 1

Installation

Manual

Owner's /

Installation

manual

(For Hydrosplit IWT)

INDOOR UNIT BOX

OUTDOOR UNIT BOX

Item Image Quantity

Outdoor Unit U60A Chassis

Drain Cap 4

Drain Nipple 1

Strainer 1

Damper 4

INSTALLATION PART

ENGLISH

INSTALLATION TOOLS

Figure Name Figure Name

Screw driver Ohmmeter

Electric drill Hexagonal wrench

Measuring tape, Knife Ammeter

Hole core drill Leak detector

Spanner

Thermometer,

Horizontal meter

Torque wrench Flaring tool set

Manifold Gauge Vacuum Pump

GENERAL INFORMATION

ENGLISH

GENERAL INFORMATION

With advanced inverter technology, is suitable for applications like under floor heating, under floor cooling, and hot water generation. By Interfacing to various accessories user can customize the range of the application.

In this chapter, general information of is presented to identify the installation procedure. Before beginning installation, read this chapter carefully and find helpful information on installation.

Model Information

Factory Model Name

Outdoor unit (For Split IWT)

Z HUW 0 9 6 A 0

Series Number Function

A : General heating heat pump Electrical ratings

6 : 1 phase 220-240 V~ 50 Hz Heating Capacity

05 : 5 kW 07 : 7 kW 09 : 9 kW Model Type

W : Inverter Heat Pump Classification

U : Outdoor Unit ZH : Air-to-Water-Heat Pump for R32

Outdoor unit (For Hydrosplit IWT)

Z HBW 1 6 8 B 0

Series Number Function

B : Hydrosplit Type Electrical ratings

6 : 1 phase 220-240 V~ 50 Hz 8 : 3 phase 380-415 V~ 50 Hz

Heating Capacity 12 : 12 kW 14 : 14 kW 16 : 16 kW

Model Type W : Inverter Heat Pump

Classification B : Monobloc

ZH : Air-to-Water-Heat Pump for R32

GENERAL INFORMATION

ENGLISH

Function I : Split IWT Y : Hydrosplit IWT

Z H N W 2 0 6 0 6 I 0

Heater Electrical ratings

6 : 1 phase 220-240 V~ 50 Hz

Water Tank Capacity 20 : 200L

Heater Capacity

06 : 6 kW

Model Type

W : Inverter Heat Pump

Classification

N : Indoor Unit

ZH : Air-to-Water-Heat Pump for R32

Series Number

Indoor unit

Buyer Model Name

Outdoor unit (For Split IWT)

09 M R U 4 4

Series Number

Chassis U36A

Classification U : Outdoor Unit

Refrigerant R : R32

M : Middle Temperature

Electrical ratings 1 : 1Ø, 220-240 V AC 50 Hz

Heating Capacity Ex) “05” : 5 kW, “07” : 7 kW, “09” : 9 kW

Classification U : Outdoor Unit

H : Air to Water Heat Pump

1UH

- IWT : Integrated water tank Indoor unit

GENERAL INFORMATION

ENGLISH

Indoor unit

09 6 T N B 1

Series Number Chassis (Platform)

B : DHW tank integrated Platform Classification

N : Indoor Unit Function

T : Split IWT Y : Hydrosplit IWT

Heater Capacity 6 : 6 kW Heater

Heater Electrical ratings 1 : 1Ø, 220-240 V, 50 Hz

Heating Capacity Ex) “09” : 9 kW “16” : 16 kW

Classification N : Indoor Unit

H : Air to Water Heat Pump

1NH

Outdoor unit (For Hydrosplit IWT)

H U163 M R B U 3 0

Series Number Chassis

U60A Classification

U : Outdoor unit B : Hydrosplit Type Refrigerant

R : R32

M : Middle Temperature Electrical ratings

1 : 1Ø, 220-240 V~ 50 Hz 3 : 3Ø, 380-415 V~ 50 Hz

Heating capacity Ex) 12 kW : “12”, 14 kW : “14”, 16 kW : “16”

U : Outdoor unit

Classification

H : Air to water Heat Pump

- IWT : Integrated water tank Indoor unit

- DHW : Domestic hot water

GENERAL INFORMATION

ENGLISH

*1 : tested under EN14511

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

*2 : tested under EN14511

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

h All appliances were tested at atmospheric pressure.

How to ﬁnd additional model information

Energy Labels and Product Fiches for all possible combinations can be found at https://www.lg.com/global/support/cedoc/cedoc.

Search for outdoor unit name in cedoc page.

Model Name

Built-In Electric

Heater(kW)

Capacity

Power Source

(Unit)

Type

Refrigerant

Outdoor Unit Indoor Unit

Heating

(kW)*

Cooling

(kW)*

Phase (Ø)

Capacity (kW)

Tank Capacity (L)

Split

R32

200

1Ø 2 (2)

1Ø 4 (2+2)

3Ø 6 (2+2+2)

5.5 5.5 220-240 V

50 Hz

7 7.0 7.0 9 9.0 9.0

Hydrosplit

12 12.0 12.0

220-240 V

50 Hz

14 14.0 14.0 16 16.0 16.0

12 12.0 12.0

380-415 V

50 Hz

14 14.0 14.0 16 16.0 16.0

Model name and related information

GENERAL INFORMATION

ENGLISH

Parts and Dimensions

Indoor unit (For Split IWT) : External

(unit : mm)

Description

1 SAE 5/8" Refrigerant gas pipe 2 SAE 3/8" Refrigerant liquid pipe 3 G3/4" Domestic hot water outlet 4 G3/4" Domestic cold water Inlet 5 G3/4" DHW Re-circulation 6 G1" Heating circuit inlet 7 G1" Heating circuit outlet 8 Built-in Remote controller 9 Electrical conduits

12 3 45 67

1812 87

65 108 63 63 108 65

198

551

1249

542

685

601

GENERAL INFORMATION

ENGLISH

(unit : mm)

Indoor unit (For Split IWT) : Internal

Description

No Item No Item

Domestic hot water tank

DHW water pump

Electric heater

DHW strainer

Flow sensor

Main water pump

3-way-valve DHW / Heating

DHW Expansion vessel (Accessory)

Pressure gauge

Control box

Expansion vessel for Heating

Air vent

Magnesium anode

Drain cock

DHW tank sensor

Conduits for electrical wiring

Plate-heat-exchanger (Water/DHW)

18 Plate-heat-exchanger (Refrigerant/Water)

GENERAL INFORMATION

ENGLISH

Outdoor unit (For Split IWT) : External

Product Heating Capacity :

5 kW,7 kW,9 kW

U36A Chassis

(unit : mm)

No Name

1 Liquid-side Service Valve

2 Gas-side Service Valve

3 Air discharge Grille

Description

4-holes for anchor bolts

390

330

Supporter

834

809

165 165

620

950

390

GENERAL INFORMATION

ENGLISH

Indoor unit (For Hydrosplit IWT) : External

Description

1 G1” Inlet from outdoor unit 2 G1” Outlet to outdoor unit 3 G3/4" Domestic hot water outlet 4 G3/4" Domestic cold water Inlet 5 G3/4" DHW Re-circulation 6 G1" Heating circuit inlet 7 G1" Heating circuit outlet 8 Built-in Remote controller 9 Electrical conduits

(unit : mm)

1812

198

12 3 45 67

551

66 107 63 63 108 65

614

1249

542

685

601

GENERAL INFORMATION

ENGLISH

(unit : mm)

Indoor unit (For Hydrosplit IWT) : Internal

Description

No Item No Item

Domestic hot water tank

DHW water pump

Electric heater

DHW strainer

Flow sensor

Main water pump

3-way-valve DHW / Heating

DHW Expansion vessel (Accessory)

Water pressure sensor

Control box

Expansion vessel for Heating

Air vent

Magnesium anode

Drain cock

DHW tank sensor

Conduits for electrical wiring

Plate-heat-exchanger (Water/DHW)

J K

C B

GENERAL INFORMATION

ENGLISH

Outdoor unit (For Hydrosplit IWT) : External

No Name

1 Entering Water Pipe

2 Leaving Water Pipe

3 Air discharge Grille

Description

Product Heating Capacity :

12 kW, 14 kW, 16 kW

U60A Chassis

(unit : mm)

165 619

330

390

360

4-holes for anchor bolts (M10)

834

165 166

619

950

405

137

390

GENERAL INFORMATION

ENGLISH

Control Parts

Control Box : Indoor Unit (For Split IWT)

Description

No Name Remark

1 Main PCB

The main PCB(Printed Circuit Board) controls the functioning of the unit

2 Terminal blocks The terminal blocks allow easy connection of field wiring

Safety thermostat for Electric heater

The safety thermostat protects the backup heater against overload or short circuit

4 Electric heater Relay -

5 Holes for dry contact -

GENERAL INFORMATION

ENGLISH

Control Box : Indoor Unit (For Hydrosplit IWT)

Description

No Name Remark

1 Main PCB

The main PCB(Printed Circuit Board) controls the functioning of the unit

2 Terminal blocks The terminal blocks allow easy connection of field wiring

Safety thermostat for Electric heater

The safety thermostat protects the backup heater against overload or short circuit

4 Electric heater Relay -

5 Holes for dry contact -

GENERAL INFORMATION

ENGLISH

Control Panel

Operation display window Operation and Settings status display

Back button When you move to the previous stage from the menu’s setting stage

Up/down/left/right button When you change the menu’s setting value

OK button When you save the menu’s setting value

On/Off button When you turn ON/OFF the AWHP

Operation display window

Back button

Up/Down/Left/Right Button

On/Off Button

OK Button

GENERAL INFORMATION

ENGLISH

CASE 1 : Connecting Heat Emitters for Heating and Cooling & DHW

(Under floor loop, Fan Coil Unit, Radiator, and Domestic hot water)

Typical Installation Example

CAUTION

If is installed with pre-existing boiler, the boiler and should not be operated together. If entering water temperature of is above 55 °C, the system will stop operation to prevent mechanical damage of the product. For detailed electric wiring and water piping, please contact authorized installer. Some installation scenes are presented for example. As these scenes are conceptual figures, installer should optimize the installation scene according to the installation conditions.

Outdoor Indoor

Outdoor Unit

Indoor Unit

Floor

heating loop

Fan coil unit

Radiator

M / F

City water

Domestic hot water

NOTE

• Room thermostat

- Type of thermostat and specification should be complied with chapter 8 and chapter 9 of installation manual.

• 2way valve

- It is important to install 2way valve to prevent dew condensation on the floor and radiator while

cooling mode.

- Type of 2way control valve and specification should be complied with chapter 8 and chapter 9

of installation manual.

- 2way valve should be installed at the supply side of the collector.

• By-pass valve

- To secure enough water flow rate, by-pass valve should be installed at the collector.

- By-pass valve should guarantee minimum water flow rate in any case. Minimum water flow

rate is described in water pump characteristics curve.

• DHW Expansion vessel

- The cold DHW connection must be fitted with an expansion vessel suitable for drinking water.

The selection and installation must be in accordance with the standard DIN 4807 T5.

- An expansion vessel of 8 l volume that can be integrated into the unit is available as

accessory [OSHE-12KT]. the installation method of Expansion vessel can be found in chapter 8 of installation manual.

High Temperature Room Thermostat (Field supply)

2way valve (Field supply)

By-pass valve(Field supply)

Low Temperature

DHW Expansion vessel (Accessory)

Magnetic Filter (Recommended)

Shut-off valve with strainer

Shut-off valve

M / F

+ 197 hidden pages