LG HN0914.NK2 User Manual

www.lg.comPlease read this installation manual completely before installing the product.Installation work must be performed in accordance with the nat

10 Air-to-Water Heat PumpSafety Precautions For installation, alwayscontact the dealer or anAuthorized ServiceCenter.• There is risk of fire,electri

Installation Manual 11ENGLISHSafety Precautionsn InstallationAlways check for gas(refrigerant) leakageafter installation orrepair of unit.• Low refri

12 Air-to-Water Heat Pump2. Installation PartThank you for choosing LG Electronics Air-to-Water Heat Pump Before starting installation, please make i

Installation Manual 13ENGLISHGeneral Information3. General InformationModel InformationWith advanced inverter technology, is s

14 Air-to-Water Heat PumpGeneral Information*1 : tested under Eurovent Heating condition (water temperature 30°C ’ 35°C at outdoor ambient temperature

General InformationInstallation Manual 15ENGLISHIf is installed with pre-existing boiler, the boiler and should not beoperated together. If enterin

CASE 2: Connecting Sanitary Water TankOutdoor IndoorOutdoor UnitIndoor UnitFloor heating loopFan coil unit SanitarywatertankHot waterCity waterRadiato

General Information CASE 3: Connecting Solar thermal systemSolar heat sourceOutdoor IndoorOutdoor UnitIndoor UnitFloor heating loopFan coil unit San

18 Air-to-Water Heat PumpCycle DiagramDescriptionINDOOR UNIT OUTDOOR UNITIndoor UnitPlate HeatExchanger(Accessories)Outdoor UnitEEVHeat ExchangerCOMPR

General InformationWater cycleSanitary water tank is installed (Sanitary water tank kit is necessary) Solar thermal system is connected (Solar therma

Air-to-Water Heat Pump Installation ManualTABLE OF CONTENTSPREFACE...

General Information Description- Meaning is expressed based on Coolingmode.- TH3, TH4, and TH5 are connected at 6 pintype connector CN_TH3.- Heating

General InformationParts and DimensionsIndoor unit(External)315490850315.3474DescriptionNo Name Remarks1 Door Control panel is shown after this door i

General Information DescriptionIndoor unit(Internal)474848305663975.1100817610952474No Name Remarks1 Refrigerant Pipe Ø15.88mm(5~16kW), Ø12.7mm (3kW

General InformationOutdoor unit(External)Supporter490DescriptionNo Name123Liquid-side Service ValveGas-side Service ValveAir discharge GrillProduct He

DescriptionNo Name123Liquid-side Service ValveGas-side Service ValveAir discharge GrillGeneral Information Product HeatingCapacity : 3kWUE Chasis(un

General InformationSupporterDescriptionNo Name123Liquid-side Service ValveGas-side Service ValveAir discharge GrillProduct HeatingCapacity : 5kW,7kW,9

General Information Control PartsControl Box : Indoor Unit67 78561089815 43 21DescriptionNo Name Remarks12345678910Terminal blocksUnit ELBWater tank

General InformationControl Panel1023414WATERWATERTEMPTEMPOPEROPERHEATINGHEATINGMODEMODEڸۀڿھڽہڹںڻڼۂۃۄWiring Diagram : Indoor Unit- Refer to the wiring

General Information Wiring Diagram : Indoor and Outdoor Unit(Including Field wiring)(Indoor : Electric Heater 1Ø, Outdoor : 1Ø)28 Air-to-Water Heat

General InformationWiring Diagram : Indoor and Outdoor Unit(Including Field wiring)(Indoor : Electric Heater 3Ø 380-415V, Outdoor : 3Ø)Installation Ma

MOUNTING TO WALL ...33 WATER

Installation of Outdoor Unit 4. Installation of Outdoor UnitThe outdoor unit of is installed outside to exchange heat with a

Installation of Outdoor UnitInstallation at SeasideSeasonal wind and cautions in winter1. Air conditioners should not be installed in areas where corr

Installation of Indoor Unit 5. Installation of Indoor UnitThe indoor unit of is installed inside where terminal of under floo

Installation of Indoor UnitMounting to WallStep 1. After releasing eight screws, detach front cover from the indoor unit. While detaching thefront co

Installation of Indoor Unit 34 Air-to-Water Heat PumpWater volume and pump capacityThe water pump is three speed-adjustable (Maximum / Medium / Mini

Installation Manual 35ENGLISHAHNW16606A2, AHNW16809A2Pump model : UPML 25-95 130 AUTOSelecting a water flowrate outside the curves can cause damage t

36 Air-to-Water Heat PumpInstallation of Indoor Unit Pressure DropWhen installing the product, install additional pump in consideration of the press

Installation of Indoor UnitWater Volume and Expansion Vessel PressureInside expansion vessel is included which is 8 liter capac

Installation of Indoor Unit Water QualityWater quality should be complied with EN 98/83 EC Directives. Requirement for resolved chemicalingredients

Piping and Wiring for Outdoor Unit6. Piping and Wiring for Outdoor UnitProcedures about refrigerant piping and electric wiring at the outdoor are desc

SANITARY WATER TANK AND SANITARY WATER TANK KIT/SOLAR THERMAL KIT...61 GENERAL INFORMATION ...

Piping and Wiring for Outdoor Unit Step 1. Cut the pipes and the cable.• Use the accessory piping kit or the pipespurchased locally.• Measure the di

Piping and Wiring for Outdoor UnitConnecting Pipe to Indoor UnitConnecting pipe to the indoor unit is two steps. Read following directions carefully.C

Piping and Wiring for Outdoor Unit Step 2. Tightening• Align the center of the pipes and sufficientlytighten the flare nut by hand.• Tighten the fla

Piping and Wiring for Outdoor UnitConnecting Pipe to Outdoor Unit(Product Heating Capacity : 9kW)• Align the center of the pipings and sufficientlytig

Piping and Wiring for Outdoor Unit Two kind of cables should be connected to the outdoor unit : One is ‘Power cable’, the other one is ‘Connecting c

Piping and Wiring for Outdoor Unit• European/International Technical Standard setting the limits for voltage changes, voltagefluctuations and flicker

Piping and Wiring for Outdoor Unit After checking and confirming following conditions, start wiring work.1. Secure dedicated power source for the Ai

Piping and Wiring for Outdoor UnitAfter pipes are connected and electric cables are wired, pipe forming and some tests are remained. Especially,carefu

Piping and Wiring for Outdoor Unit Air and moisture remaining in the refrigerant system have undesirable effects as indicated below.1. Pressure in t

Piping and Wiring for Outdoor UnitEvacuation1. Connect the charge hose end described in thepreceding steps to the vacuum pump to evacuatethe tubing an

PrefaceInstallation Manual 5ENGLISHPrefaceThis installation manual is to present information and guide about understanding, installing, and checking

Piping and Wiring for Indoor Unit 7. Piping and Wiring for Indoor UnitProcedures about water piping and electric wiring at the indoor unit are descr

Piping and Wiring for Indoor UnitInstalling shut-off valve • While assembling two shut-off valves, that are found inside ‘AWHP Installation Kit(AET693

Piping and Wiring for Indoor Unit Water ChargingFor water charging, please follow below procedures.Step 1. Open all valves of whole water circuit. S

Piping and Wiring for Indoor UnitGeneral ConsiderationFollowings are should be considered before beginning indoor unit wiring.• Field-supplied electri

Piping and Wiring for Indoor Unit Terminal Block Information (1Ø Electric Heater)Symbols used below pictures are as follows :- L, L1, L2 : Live (230

Piping and Wiring for Indoor UnitTerminal Block Information (3Ø Electric Heater)Symbols used below pictures are as follows :- L, L1, L2 : Live (230V A

Piping and Wiring for Indoor Unit Connecting with Outdoor UnitElectric Heater Wiring1(L) 2(N) 3123Terminal block at outdoor unit123Terminal block at

Accessories Installation8. Accessories InstallationInstallation Manual 57ENGLISHAccessories supported by LG ElectronicsAccessories supported by 3rdpa

58 Air-to-Water Heat PumpThermostat is generally used to control the product by air temperature. When thermostat isconnected to the product, the produ

Installation Manual 59ENGLISHHow to wire thermostatFollow below procedures Step 1 ~ Step 5.Step 1. Uncover front cover of the unit and open the contr

Safety Precautions6 Air-to-Water Heat Pump1. Safety PrecautionsTo prevent injury to the user or other people and property damage, the following instru

Accessories Installation 60 Air-to-Water Heat PumpFinal check• DIP switch setting : Set DIP switch No. 8 to ‘ON’. Otherwise, the unit can not recogn

Accessories InstallationInstallation Manual 61ENGLISHTo establish sanitary water circuit, 3way valve and sanitary water tank kit is required. If sola

How to Install Sanitary Water TankFor more detail information about installing sanitary water tank, please refer installation manualprovided with sani

Accessories InstallationInstallation Manual 63ENGLISHʶʹʸʶʺTerminal Block 3Terminal Block 1ʸʶʶʷʹʺTerminal Block 1Terminal Block 3Relay contactorport n

Step 6. Find sanitary water tank sensor. Connect it to ‘CN_TH4’ (Red Connector) of the indoor unitPCB (symbol Ⓐat the picture). The sensor wire shoul

Accessories InstallationInstallation Manual 65ENGLISHHow to Wire Sanitary Water Tank HeaterStep 1. Uncover heater cover of the sanitary water tank. I

How to Install Solar Thermal KitStep 1. Check the diameter of pre-installed pipes. (symbol Ⓐ and Ⓑ)Step 2. If the diameter of pre-installed pipes is d

Accessories InstallationInstallation Manual 67ENGLISHFinal Check• Flow direction : - Water should flow from water outlet of the indoor unit to sanita

Dew Condensation• Wrong wiring can yield dew condensation on the floor. If radiator isconnected at the under floor water loop, dew condensation can be

Accessories InstallationInstallation Manual 69ENGLISHThermostatConditions if Accessories are InstalledThis section describes conditions about install

Safety PrecautionsInstallation Manual 7ENGLISHDo not install the waterpipe system as Openloop type.• It may cause failure ofunit.Use a vacuum pump or

70 Air-to-Water Heat PumpSanitary Water Tank and Sanitary Water Tank Kit /Solar Thermal KitInstalling sanitary water tank requires following considera

Installation Manual 71ENGLISHInstalling recirculation pumpWhen is used with sanitary water tank, it is STRONGLY recommended

72 Air-to-Water Heat Pump2Way(3way) Valve2Way(3way) valve should be located between the indoor unit and the water tank.• If enough space is not secure

Installation Manual 73ENGLISH9. System Set-UpAs is designed to satisfy various installation environment, it is important to set upsystem correctly.

DIP Switch InformationRole when centralcontroller is equipped11As MasterAs SlaveDescription Setting DefaultAccessory installationinformation23Indoor u

System Set-UpInstallation Manual 75ENGLISHEmergency Operation• Definition of terms- Trouble : a problem which can stop system operation, and can be r

System Set-Up 76 Air-to-Water Heat Pump• Following features are permitted in emergency operation. :- Operation On/Off- VIEW T

System Set-UpInstallation Manual 77ENGLISHInstaller SettingHow to enter installer setting modeInstaller setting mode is to set the detail function of

SummaryExample of Fuction Code DisplayFunction Code Value #1 Value #2Code Item Detail Remark01 Function Additional refrigerant chargingDescription Ins

System Set-UpInstallation Manual 79ENGLISHCode Item Detail Remark05 Function Setting temperature selectionDescription Selection for setting temperatu

8 Air-to-Water Heat PumpSafety Precautions Take care to ensurethat power cable couldnot be pulled out ordamaged duringoperation.• There is risk of f

Code Item Detail Remark12 Value #2 Note Lower limit of setting range(FCU is not equipped)Default 16 °CRange 16 ~ 18 °C13 Function Setting air temperat

System Set-UpInstallation Manual 81ENGLISHkrameRliateDmetIedoCedom gnilooc ni erutarepmet ffo-tuc gnitteSnoitcnuF22(FCU setting included)Description

Code Item Detail RemarkNote Starting date (Sunday:1,Monday:2, ···· ,Saturday:7)Default 06Range 01 ~ 07Value #2Value #1Note Starting time in 24 hours(0

System Set-UpInstallation Manual 83ENGLISHCode Item Detail Remark2B2E2F42Function Domestic hot water heating timersDescriptionValue #1 NoteDefaultRan

Common Setting• Function Code 01 : Test RunTest run should be performed when additional refrigerant charging is required. To charge therefrigerant, th

System Set-UpInstallation Manual 85ENGLISHTemperature range setting• Function Code 11 : Setting air temperature in cooling modeDetermine cooling sett

System Set-Up 86 Air-to-Water Heat Pump1Keep pressing programming button for 3 seconds to enter settingscreed drying mode. 2Press programming button

System Set-UpTemperature Control Parameter Setting • Function Code 21 : Setting Electric Heater On/Off temperatureUsing Half capacity of electric heat

System Set-Up • Function Code 23, 24, and 25 : Setting Weather-dependent operationWeather-dependent operation is that the product automatically adju

System Set-Up• Function Code 26 and 27 : Setting Disinfection operationDisinfection operation is special sanitary tank operation mode to kill and to p

Installation Manual 9ENGLISHSafety PrecautionsTurn the main power on6 hours ago before theproduct startingoperation.• Otherwise, it may causecompress

System Set-Up • Function Code 28 and 29 : Setting control parameter for Sanitary water heating operationDescriptions for each parameters are as foll

System Set-Up• Function Code 2A : Miscellaneous setting- Value #1 of Function Code 2A : determine electric heater and sanitary tank heater on and off.

Check Points, Maintenance and Troubleshooting 10. Check Points, Maintenance and TroubleshootingIf everything is going well until now, it is time to

Check Points, Maintenance and TroubleshootingTo assure best performance of , it is required to perform periodical check and m

Check Points, Maintenance and Troubleshooting If operates not properly or it does not start operation, please check followi

Check Points, Maintenance and TroubleshootingInstallation Manual 95ENGLISHTroubleshooting for Error CodeCodeNo.Description Cause Normal Condition1Pro

96 Air-to-Water Heat Pumpn Calculate refrigerant concentrationRefrigerant concentration = Total amount of replenished refrigerant in refrigerant facil