LG HU143.U33 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 Pump2. Installation PartThank you for choosing LG Electronics Air-to-Water Heat Pump Before starting installation, please make i

Installation Manual 11ENGLISHGeneral Information3. General InformationModel InformationWith advanced inverter technology, is s

12 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 13ENGLISHIf is installed with pre-existing boiler, the boiler and should not beoperated together. If enterin

CASE 2: Connecting DHW TankOutdoor IndoorOutdoor UnitIndoor UnitFloor heating loopFan coil unit DHWtankHot waterCity waterRadiatorHigh TemperatureRoom

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

16 Air-to-Water Heat PumpCycle DiagramDescriptionGAS SIDEServiceValve(3 way)EEVServiceValve(3 way)Indoor UnitPlate HeatExchangerTh2Th3Water. OutWater.

General InformationWater cycleBasic installation (IDU + ODU) SolarThermalComponetsDHW TankFanCoilUnitUnderfloorHeatingRadiatorDHW Tank isInstalled(DHW

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)850315490490315DescriptionInstallation Manual 19ENGLISHNo Name Remark1 Control Panel Buil

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

General Information Indoor unit(Internal)484289.648412311684.563.436.946.476 41847.820 Air-to-Water Heat Pump(unit:mm)1,MFL68681810,영영 2017. 7. 1.

General InformationDescriptionInstallation Manual 21ENGLISHNo Name Remark1 Leaving Water Pipe Male PT 1 inch2 Entering Water Pipe Male PT 1 inch3 Ref

General Information 22 Air-to-Water Heat PumpOutdoor unit(External)Supporter490DescriptionNo Name123Liquid-side Service ValveGas-side Service ValveA

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

General Information Control PartsControl Box : Indoor UnitDescription1Ø Electric Heater Model 3Ø Electric Heater Model24 Air-to-Water Heat PumpNo Na

General InformationControl PanelWiring Diagram : Indoor Unit- Refer to the wiring diagram inside the control box.Circuit Diagram : Indoor Unit- Refer

General Information Wiring Diagram : Indoor and Outdoor Unit(Including Field wiring)(Indoor : Electric Heater 1Ø, Outdoor : 1Ø)26 Air-to-Water Heat

Installation Manual 27ENGLISHWiring Diagram : Indoor and Outdoor Unit(Including Field wiring)(Indoor : Electric Heater 3Ø, Outdoor : 3Ø)General Infor

28 Air-to-Water Heat Pump4. Installation of Outdoor UnitThe outdoor unit of is installed outside to exchange heat with ambient

Installation of Outdoor UnitInstallation Manual 29ENGLISHInstallation at SeasideSeasonal wind and cautions in winter1. Air conditioners should not be

MOUNTING TO WALL ...31 WATER

Installation of Indoor Unit30 Air-to-Water Heat Pump5. Installation of Indoor UnitThe indoor unit of is installed inside where

Installation of Indoor UnitInstallation Manual 31ENGLISHMounting to WallStep 2. After releasing five screws, detach front cover from the indoor unit.

Self drilling screw can be used as alternatives of M8 ~ M11 anchorbolts. But M8 ~ M11 anchor bolts are more preferred.Step 5. Hang the indoor unit at

Installation of Indoor UnitInstallation Manual 33ENGLISHAHNW16606A3, AHNW16809A3Pump model : PY-122NDDD3WARNINGSelecting a water flowrate outside the

CapacityRated flow-rate[LPM]Pump Head [m] (at rated flow-rate)Product pressuredrop [m] (Plate heatexchanger)Serviceable Head [m]Installation of Indoo

Installation Manual 35ENGLISHInstallation of Indoor UnitWater Volume and Expansion Vessel PressureInside expansion vessel is i

36 Air-to-Water Heat PumpInstallation of Indoor Unit Water QualityWater quality should be complied with EN 98/83 EC Directives. Requirement for res

Piping and Wiring for Outdoor UnitInstallation Manual 37ENGLISH6. Piping and Wiring for Outdoor UnitProcedures about refrigerant piping and electric

Piping and Wiring for Outdoor Unit38 Air-to-Water Heat PumpStep 1. Cut the pipes and the cable.• Use the accessory piping kit or the pipespurchased lo

Piping and Wiring for Outdoor UnitInstallation Manual 39ENGLISHConnecting Pipe to Indoor UnitConnecting pipe to the indoor unit is two steps. Read fo

HOW TO INSTALL DHW TANK...58 HOW TO INSTA

Piping and Wiring for Outdoor Unit 40 Air-to-Water Heat PumpStep 2. Tightening• Align the center of the pipes and sufficientlytighten the flare nut

Piping and Wiring for Outdoor UnitInstallation Manual 41ENGLISHThe power cord connected to the outdoor unit should be complied withIEC 60245 or HD 22

• European/International Technical Standard setting the limits for voltage changes, voltagefluctuations and flicker in public low-voltage supply syste

Piping and Wiring for Outdoor UnitInstallation Manual 43ENGLISHAfter checking and confirming following conditions, start wiring work.1. Secure dedica

After pipes are connected and electric cables are wired, pipe forming and some tests are remained. Especially,careful attention is required while proc

Piping and Wiring for Outdoor UnitInstallation Manual 45ENGLISHAir and moisture remaining in the refrigerant system have undesirable effects as indic

Evacuation1. Connect the charge hose end described in thepreceding steps to the vacuum pump to evacuatethe tubing and indoor unit.Confirm the "Lo

Piping and Wiring for Indoor UnitInstallation Manual 47ENGLISH7. Piping and Wiring for Indoor UnitProcedures about water piping and electric wiring a

Installing shut-off valve • While assembling two shut-off valves, that are found inside ‘AWHP Installation Kit(AET69364401)’, pop sound will be heard

Piping and Wiring for Indoor UnitInstallation Manual 49ENGLISHWater ChargingFor water charging, please follow below procedures.Step 1. Open all valve

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

General ConsiderationFollowings are should be considered before beginning indoor unit wiring.• Field-supplied electrical components such as power swit

Piping and Wiring for Indoor UnitInstallation Manual 51ENGLISHTerminal Block InformationSymbols used below pictures are as follows :- L, L1, L2 : Liv

Piping and Wiring for Indoor Unit 52 Air-to-Water Heat PumpConnecting with Outdoor UnitElectric Heater Wiring123Terminal block at outdoor unitNLExte

Accessories InstallationInstallation Manual 53ENGLISH8. Accessories InstallationAccessories supported by LG ElectronicsAccessories supported by 3rdpa

Accessories Installation54 Air-to-Water Heat PumpThermostat is generally used to control the product by air temperature. When thermostat isconnected t

Accessories InstallationInstallation Manual 55ENGLISHHow to wire thermostatFollow below procedures Step 1 ~ Step 5.Step 1. Uncover front cover of the

56 Air-to-Water Heat PumpAccessories InstallationFinal check• DIP switch setting : Set DIP switch No. 8 to ‘ON’. Otherwise, the unit can not recognize

Installation Manual 57ENGLISHAccessories InstallationTo establish DHW circuit, 3way valve and DHW tank kit is required. If solar thermal system is pr

Accessories Installation 58 Air-to-Water Heat PumpHow to Install DHW TankFor more detail information about installing DHW tank, please refer install

Accessories InstallationInstallation Manual 59ENGLISHHow to Install DHW Tank KitFellow bellow procedures Spet 1 ~ Step 6Step 1. Find magnetic switch

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 PumpRelay contactorport no. assignmentELB(MCCB) port no.assignment1 32 4Note: Some models are using MC

Accessories InstallationInstallation Manual 61ENGLISHHow to Wire DHW Tank HeaterStep 1. Uncover heater cover of the DHW tank. It is located side of t

Accessories Installation 62 Air-to-Water Heat PumpHow to Install Solar Thermal KitStep 1. Check the diameter of pre-installed pipes. (symbol Ⓐ and Ⓑ

Accessories InstallationInstallation Manual 63ENGLISHFinal Check• Flow direction : - Water should flow from water outlet of the indoor unit to DHW ta

Accessories Installation 64 Air-to-Water Heat PumpDew Condensation• Wrong wiring can yield dew condensation on the floor. If radiator isconnected at

Accessories InstallationInstallation Manual 65ENGLISHThermostatConditions if Accessories are InstalledThis section describes conditions about install

Accessories Installation 66 Air-to-Water Heat PumpDHW Tank and DHW Tank Kit / Solar Thermal KitInstalling DHW tank requires following considerations

Accessories InstallationInstallation Manual 67ENGLISHInstalling recirculation pumpWhen is used with DHW tank, it is STRONGLY recommended to install

68 Air-to-Water Heat PumpSystem Set-Up9. System Set-UpAs is designed to satisfy various installation environment, it is important to set upsystem cor

Installation Manual 69ENGLISHSystem Set-UpDIP Switch InformationDescription Setting DefaultRole when centralcontroller is equipped11As MasterAs Slave

Safety PrecautionsInstallation Manual 7ENGLISH• Do not install the unit on a defective installation stand.- It may cause injury, accident, or damage

70 Air-to-Water Heat PumpSystem Set-UpEmergency Operation• Definition of terms- Trouble : a problem which can stop system operation, and can be resume

Installation Manual 71ENGLISHSystem Set-Up• Duplicated trouble : Option trouble with slight or heavy trouble- If option trouble is occurred with slig

System Set-Up 72 Air-to-Water Heat PumpInstaller SettingHow to enter installer setting mode• In the menu screen, press [<,>(left/right)] butto

System Set-UpInstallation Manual 73ENGLISHSummaryNote: Some contents may not be displayed depending on DIP switch setting in the main PCB assembly 1.

System Set-Up 74 Air-to-Water Heat PumpCommon Setting• 3 Minutes DelayFactory use only.• Remote sensor activeIf user connects remote air sensor to c

System Set-UpInstallation Manual 75ENGLISHTemperature range setting• Air cooling set temp.Determine cooling setting temperature range when air tempe

System Set-Up 76 Air-to-Water Heat PumpTemperature Control Parameter Setting • Heater on temperatureUsing Half capacity of electric heater : when DI

System Set-UpInstallation Manual 77ENGLISH• Seasonal auto modeWeather dependent mode in heating and cooling, auto change over in heating, cooling and

System Set-Up 78 Air-to-Water Heat Pump• Tank disinfection setting 1, 2Disinfection operation is special DHW tank operation mode to kill and to prev

System Set-UpInstallation Manual 79ENGLISH• Tank setting 1, 2Descriptions for each parameters are as following.- Min temp. : temperature gap from Max

8 Air-to-Water Heat PumpSafety Precautions • Do not touch refrigerant pipe and water pipe or any internal parts while the unit is operating orimmedi

System Set-Up 80 Air-to-Water Heat Pump• Heater priority- Heater priority : determine electric heater and sanitary tank heater on and off.- Example

Check Points, Maintenance and TroubleshootingInstallation Manual 81ENGLISH10. Check Points, Maintenance and TroubleshootingIf everything is going wel

Check Points, Maintenance and Troubleshooting82 Air-to-Water Heat PumpTo assure best performance of , it is required to perfo

Check Points, Maintenance and TroubleshootingInstallation Manual 83ENGLISHIf operates not properly or it does not start oper

Check Points, Maintenance and Troubleshooting84 Air-to-Water Heat PumpTroubleshooting for Error CodeCodeNo.Description Cause Normal Condition1Problem

Check Points, Maintenance and TroubleshootingInstallation Manual 85ENGLISHn Calculate refrigerant concentrationRefrigerant concentration = Total amou

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Installation Manual 9ENGLISHSafety PrecautionsCAUTIONInstallation• Always check for gas (refrigerant) leakage after installation or repair of unit.-