LG HN1639.NK3 User Manual

INSTALLATION MANUALAIR-TO-WATERHEAT PUMPwww.lg.comPlease read this installation manual completely before installing the product. Installation work mus

10IMPORTANT SAFETY INSTRUCTIONSENGLISH• The appliance shall be stored so as to prevent mechanicaldamage from occurring.• Servicing shall only be perfo

100INSTALLER SETTINGENGLISHDHW set temp Determine heating setting temperature range when DHW temperature is selected as settingtemperature• In the in

101INSTALLER SETTINGENGLISHOKScreed dryingThis function is a unique feature of AWHP that, when AWHP is installed in a new concretestructure, controls

102INSTALLER SETTINGENGLISHNOTE!• During Screed drying operation, button input except for installer function and temperaturedisplay is restricted.• Wh

103INSTALLER SETTINGENGLISHHeater on temperature Depending on local climatic conditions, it is necessary to change the temperature condition inwhich

104INSTALLER SETTINGENGLISHNOTE!• Heater on temperatureUsing Half capacity of electric heater : when DIP Switch No. 6 and 7 is set as ‘OFF-ON’ :- Exam

105INSTALLER SETTINGENGLISHWater supply off temp. during cooling Determine leaving water temperature when the unit is turned off. This function is use

106INSTALLER SETTINGENGLISH- Stop temp. : cut-off temperature. Stop temp. is valid when FCU is installed.- FCU : determines if FCU is installed or not

107INSTALLER SETTINGENGLISHTank disinfection setting 1, 2• Disinfection operation is special DHW tank operation mode to kill and to prevent growth ofv

108INSTALLER SETTINGENGLISHTank setting 1• In the installer setting list, select tank setting 1 category, and press [OK] button to move to thedetail s

109INSTALLER SETTINGENGLISHTank setting 2 • In the installer setting list, select tank setting 2 category, and press [OK] button to move to thedetail

11IMPORTANT SAFETY INSTRUCTIONSENGLISH• Use a firm stool or ladder when cleaning or maintaining theunit.- Be careful and avoid personal injury.• Do no

110INSTALLER SETTINGENGLISH• Tank setting 1, 2Descriptions for each parameters are as following.- Min temp. : temperature gap from Max outdoor temp. -

111INSTALLER SETTINGENGLISHHeater priority• Heater priority : determine electric heater and DHW tank heater on and off.• Example : If Heater priority

112INSTALLER SETTINGENGLISHDHW time settingDetermine following time duration : operation time of DHW tank heating, stop time of DHW tankheating, and d

113INSTALLER SETTINGENGLISHTH on/off Variable, heating airIt is a function to adjust the heating air temperature Thermal On / Off temperature accordin

114INSTALLER SETTINGENGLISHTH on/off Variable, heating waterIt is a function to adjust the heating water temperature Thermal On / Off temperature acco

115INSTALLER SETTINGENGLISHValueDescriptionTH On TH OffType0 0.5 °C -0.5 °CType1 1 °C -1 °CType2 2 °C -2 °CType3 3 °C -3 °CTH on/off Variable, cooling

116INSTALLER SETTINGENGLISHTH on/off Variable, cooling waterIt is a function to adjust the cooling water temperature Thermal On / Off temperature acco

117INSTALLER SETTINGENGLISHPump setting in heating• It is a function to help the water pump's mechanical life by putting the water pump's re

118INSTALLER SETTINGENGLISHPump setting. in cooling• It is a function to help the water pump's mechanical life by putting the water pump's r

119INSTALLER SETTINGENGLISHForced operation• If the product is not used for a long time, the product will be forced to operate to prevent pumpfailure

12INSTALLATION PARTENGLISHThank you for choosing LG Electronics Air-to-Water Heat Pump Before starting installation, please make it sure that all par

120INSTALLER SETTINGENGLISHCN_CCIt is the function to set the usage of the unit’s CN_CC port.• Change setting values using [<,>(left/right)] but

121INSTALLER SETTINGENGLISHPump frequency setting (RPM)It is a function to enable installer to control pump RPM of BLDC pump application model.• In th

122INSTALLER SETTINGENGLISHValue ModeNot use (Default) -UseStep 0Step 1Step 2Smart Grid(SG)It is the function to enable / disable the SG Ready functio

123INSTALLER SETTINGENGLISHOKSeasonal auto tempIt is the function to set the operation reference value in Seasonal Auto mode.• In the installer settin

124INSTALLER SETTINGENGLISHIn this mode, setting temperature will follow outdoor temperature automatically. This mode addsthe cooling season function

125INSTALLER SETTINGENGLISHModbus AddressIt is function to set the address of the Modbus device that is externally linked to the product.Modbus addres

126INSTALLER SETTINGENGLISHCN_EXTIt is a function to control external input and output according to DI type set by customer usingCN-EXT Port.• In the

127INSTALLER SETTINGENGLISHAdd ZoneFunction to set whether or not to use a installed 2nd circuit function using mixing kit. You can set valve closing

128INSTALLER SETTINGENGLISHUse External PumpThis function can be set to control the external water pump.• In the installer setting list, select Use Ex

129INSTALLER SETTINGENGLISH3rdParty BoilerThis function is to configure the 3rd party boiler to be controlled.If the status of this function is “Use”,

13GENERAL INFORMATIONENGLISHGENERAL INFORMATIONWith advanced inverter technology, is suitable for applications like under floor

130INSTALLER SETTINGENGLISHMeter InterfaceIt is the function that can check the status of energy and power on screen. It collects andcalculates power

131INSTALLER SETTINGENGLISHPump Prerun/OverrunPump Prerun operates to ensure sufficient flow before the compressor is operated. This is afunction that

132INSTALLER SETTINGENGLISHData loggingIt is the function to set the operation reference value in Seasonal Auto mode.• In the installer setting list,

133INSTALLER SETTINGENGLISHPassword Initialization It is the function to initialize (0000) when you forgot the password set in the remote controller.•

134INSTALLER SETTINGENGLISH0:0 [Normal Operation] The heat pump works at maximumefficiency.1:0 [Switch-off command, Utility lock] Deactivates the heat

135INSTALLER SETTINGENGLISHOverview settingsMenu StructureMenuSub functionService contactModel informationOpen source licenseRMC version lnformation3

136INSTALLER SETTINGENGLISHTH on/off Variable, cooling airTH on/off Variable, cooling waterPump setting in heatingPump setting. in coolingForced opera

137COMMISSIONINGENGLISHCOMMISSIONINGIf everything is going well until now, it is time to start the operation and to take advantages of.Before starting

138COMMISSIONINGENGLISHTo assure best performance of , it is required to perform periodical check andmaintenance. It is recommended to proceed follow

139COMMISSIONINGENGLISHIs cold water discharged formore than 3 minutes ?STARTOperate the unit in heating mode.Does Test operation start?Check whether

14GENERAL INFORMATIONENGLISHModel name and related information*1 : tested under Eurovent Heating condition (water temperature 30°C ’ 35°C at outdoor a

140COMMISSIONINGENGLISHTroubleshootingIf operates not properly or it does not start operation, please check following list.Troubleshooting for Proble

141COMMISSIONINGENGLISHTroubleshooting for Error CodeCode No.Description Cause Normal Condition1Problem in remote room air sensor • Incorrect connecti

142COMMISSIONINGENGLISHDisplay codeTitle Cause of error Check point & Normal condition21DC PEAK(IPM Fault)• Instant over current• Over Rated curre

143COMMISSIONINGENGLISHDisplay codeTitle Cause of error Check point & Normal condition43Sensor error of highpressureAbnormal value of sensor(Open/

144COMMISSIONINGENGLISHDisplay codeTitle Cause of error Check point & Normal condition73AC input instant overcurrent error(Matter of software)(HM*

[Representative] LG Electronics Inc. EU Representative : LG Electronics European Shared ServiceCenter B.V. Krijgsman 1, 1186 DM Amstelveen, The Nether

15GENERAL INFORMATIONENGLISHParts and DimensionsIndoor unit(External)(unit : mm)850315490490315DescriptionNo Name Remark1 Control Panel Built-in Remot

16GENERAL INFORMATIONENGLISH(unit : mm)484139101268141543216161548412311684.563.436.946.476 41847.8711289.6Indoor unit(Internal)

17GENERAL INFORMATIONENGLISHNo Name Remark1 Leaving Water Pipe Male PT 1 inch2 Entering Water Pipe Male PT 1 inch3 Refrigerant Pipe Ø9.52mm4 Refrigera

18GENERAL INFORMATIONENGLISHProduct HeatingCapacity :12kW,14kW,16kWU3 Chassis(unit : mm)Supporter490Outdoor unit(External)No Name1 Liquid-side Service

19GENERAL INFORMATIONENGLISHProduct HeatingCapacity :5kW,7kW,9kWU4 Chassis(unit : mm)SupporterNo Name1 Liquid-side Service Valve2 Gas-side Service Val

TABLE OF CONTENTS2ENGLISH4 PREFACE5 IMPORTANT SAFETY INSTRUCTIONS12 INSTALLATION PART13 GENERAL INFORMATION13 Model Information14 Model name and relat

20GENERAL INFORMATIONENGLISHControl PartsControl Box : Indoor Unit1Ø Electric Heater Model 3Ø Electric Heater ModelDescriptionNo Name Remark1 Terminal

21GENERAL INFORMATIONENGLISHControl PanelOperation display window Operation and Settings status displayBack button When you move to the previous stage

22GENERAL INFORMATIONENGLISHWiring Diagram : Indoor and Outdoor Unit(Including Field wiring)(Indoor : Electric Heater 1Ø, Outdoor : 1Ø)

23GENERAL INFORMATIONENGLISHWiring Diagram : Indoor and Outdoor Unit(Including Field wiring)(Indoor : Electric Heater 3Ø, Outdoor : 3Ø)

24GENERAL INFORMATIONENGLISHCASE 1: Connecting Heat Emitters for Heating and Cooling (Under floor loop, Fan Coil Unit, and Radiator)Typical Installati

25GENERAL INFORMATIONENGLISHCASE 2: Connecting DHW TankNOTE!• DHW tank- It should be equipped with internal electric heater to generate sufficient hea

26GENERAL INFORMATIONENGLISHCASE 3: Connecting Solar thermal systemNOTE!• DHW tank- It should be equipped with internal electric heater to generate su

27GENERAL INFORMATIONENGLISHCASE 4: Connecting 2ndCircuitNOTE!• Mix Kit- You can install it when you want to set the temperature of two rooms individu

28GENERAL INFORMATIONENGLISHCASE 5: Connecting 3rdPartyNOTE!• DHW tank- 3rd Party Boiler- You can control the boiler automatically and manually by com

29GENERAL INFORMATIONENGLISHCategory Symbol MeaningPCBConnectorRemarksIndoorUnitTh1 Remote air temperature sensor CN_ROOM- Optional accessory(being so

3TABLE OF CONTENTSENGLISH83 How to enter service setting83 Service setting84 Service contact85 Model information86 RMC version lnformation87 Open sour

30GENERAL INFORMATIONENGLISHWater cycleBasic installation (IDU + ODU) SolarThermalComponetsDHW TankFanCoilUnitUnderfloorHeatingIndoor Unit(Hydro-Kit)EX

31GENERAL INFORMATIONENGLISHDescriptionCategory Symbol Meaning PCB Connector RemarksIndoorUnitTH1 Refrigerant temperature sensor (Gas side) CN_PIPE_OU

32INSTALLATION OF OUTDOOR UNITENGLISHMinimum service space(unit : mm)Drill a Hole in the Wall- If making a hole to the wall is required to connect pip

33INSTALLATION OF OUTDOOR UNITENGLISH- In case, to install the outdoor unit on the seaside, set up a windbreak not to be exposed to thesea wind.- It s

34INSTALLATION OF INDOOR UNITENGLISHINSTALLATION OF INDOOR UNITThe indoor unit of is installed inside where terminal of under f

35INSTALLATION OF INDOOR UNITENGLISHMounting to WallStep 1. Disconnect the remote control case from the front panel and disconnect the remotecontrol c

36INSTALLATION OF INDOOR UNITENGLISHStep 4. Detach the Installation sheet. Screw bolts at the hole marks on the wall.When screwing bolts, use M8 ~ M11

37INSTALLATION OF INDOOR UNITENGLISHElectrical WiringTwo kind of cables should be connected to the outdoor unit : One is ‘Power cable’, the other onei

38INSTALLATION OF INDOOR UNITENGLISHUse round pressure terminals for connections to the power terminal block.When none are available, follow the instr

39INSTALLATION OF INDOOR UNITENGLISHPoint for attention regarding quality of the public electric power supplyThis equipment complies with respectively

PREFACE4ENGLISHPREFACEThis installation manual is to present information and guide about understanding, installing, and checking

40PIPING AND WIRING FOR OUTDOOR UNITENGLISHPIPING AND WIRING FOR OUTDOOR UNITProcedures about refrigerant piping and electric wiring at the outdoor ar

41PIPING AND WIRING FOR OUTDOOR UNITENGLISHStep 1. Cut the pipes and the cable.- Use the accessory piping kit or the pipespurchased locally.- Measure

42PIPING AND WIRING FOR OUTDOOR UNITENGLISHConnecting Pipe to Outdoor UnitConnecting pipe to the outdoor unit is five steps including PCB setting.Step

43PIPING AND WIRING FOR OUTDOOR UNITENGLISHStep 2. Tightening- Align the center of the pipes and sufficientlytighten the flare nut by hand.- Tighten t

44PIPING AND WIRING FOR OUTDOOR UNITENGLISHWiring Procedure for Power Cable and Connecting CableStep 1. : Disassemble the side panel from the outdoor

45PIPING AND WIRING FOR OUTDOOR UNITENGLISHCAUTIONThe Power cord connected to the unit should be selected according to the following specifications.!F

46PIPING AND WIRING FOR OUTDOOR UNITENGLISHLeakage test and EvacuationAir and moisture remaining in the refrigerant system have undesirable effects as

47PIPING AND WIRING FOR OUTDOOR UNITENGLISHEvacuation- Connect the charge hose end described inthe preceding steps to the vacuum pump toevacuate the t

48PIPING AND WIRING FOR OUTDOOR UNITENGLISHCAUTION• Before starting wiring job, the main electricity supply should be turned off until wiring iscomple

49PIPING AND WIRING FOR OUTDOOR UNITENGLISHTerminal Block InformationSymbols used below pictures are as follows :- L, L1, L2 : Live (230 V AC) - N : N

5IMPORTANT SAFETY INSTRUCTIONSENGLISHIMPORTANT SAFETY INSTRUCTIONSREAD ALL INSTRUCTIONS BEFORE USING THE APPLIANCE.Always comply with the following pr

50PIPING AND WIRING FOR OUTDOOR UNITENGLISHConnecting with Outdoor UnitElectric Heater WiringCAUTIONYou should separate the communication wiring, inca

51PIPING AND WIRING FOR INDOOR UNITENGLISHPIPING AND WIRING FOR INDOOR UNITProcedures about water piping and electric wiring at the indoor unit are de

52PIPING AND WIRING FOR INDOOR UNITENGLISHWARNINGInstalling shut-off valve • While assembling two shut-off valves, that are found inside ‘AWHP Install

53PIPING AND WIRING FOR INDOOR UNITENGLISHWater ChargingFor water charging, please follow below procedures.Step 1. Open all valves of whole water circ

54PIPING AND WIRING FOR INDOOR UNITENGLISHPressure DropNOTE!• To secure enough water flow rate, do not set water pump capacity as Minimum.It can lead

55PIPING AND WIRING FOR INDOOR UNITENGLISHPerformance test based on standard ISO 9906 with pre-pressure 2.0bar and liquid temperature20°C.WARNINGSelec

56PIPING AND WIRING FOR INDOOR UNITENGLISHCAUTION• If the product is installed at existing hydraulic water loop, it is important to clean hydraulicpip

57PIPING AND WIRING FOR INDOOR UNITENGLISHWater Volume and Expansion Vessel PressureInside expansion vessel is included which is 8 liter capacity wit

58ACCESSORIES INSTALLATIONENGLISHACCESSORIES INSTALLATIONcan interface to various accessories to extend its functionality and to improve userconvenien

59ACCESSORIES INSTALLATIONENGLISHAccessories supported by 3rd party CompaniesItem Purpose SpecificationSolar Heating SystemTo generate auxiliary heati

6IMPORTANT SAFETY INSTRUCTIONSENGLISH• Always install a dedicated circuit and breaker.- Improper wiring or installation may cause fire or electricshoc

60ACCESSORIES INSTALLATIONENGLISHFollowing location should be avoid to secure proper operation :- Height from floor is approximately 1.5 m.- Thermosta

61ACCESSORIES INSTALLATIONENGLISHGeneral InformationThe Heat Pump supports following thermostats.(1) There is no electric circuit inside the thermosta

62ACCESSORIES INSTALLATIONENGLISHHow to wire thermostatFollow below procedures Step 1 ~ Step 5.Step 1. Uncover front cover of the unit and open the co

63ACCESSORIES INSTALLATIONENGLISHFinal check• DIP switch setting : Set DIP switch No. 8 to ‘ON’. Otherwise, the unit can not recognize the thermostat.

64ACCESSORIES INSTALLATIONENGLISHHow to Wire 2ndCircuitFollow below procedures Step 1 ~ Step 2.Step 1. Uncover front cover of the unit.Step 2. Find te

65ACCESSORIES INSTALLATIONENGLISHCentral ControllerThe product can communicate and control through the central controller. The following functionscan

66ACCESSORIES INSTALLATIONENGLISHDHW Tank and DHW Tank Kit/Solar Thermal KitTo establish DHW circuit, 3way valve and DHW tank kit is required. If sola

67ACCESSORIES INSTALLATIONENGLISHWARNINGInstalling recirculation pumpWhen is used with DHW tank, it is STRONGLY recommended to installrecirculation p

68ACCESSORIES INSTALLATIONENGLISHHow to Wire DHW Tank HeaterStep 1. Uncover heater cover of the DHW tank. It is located side of the tank.Step 2. Find

69ACCESSORIES INSTALLATIONENGLISHHow to install DHW tank kitFellow bellow procedures Spet 1 ~ Step 6Step 1. Find magnetic switch and ELB(MCCB) in the

IMPORTANT SAFETY INSTRUCTIONS7ENGLISH• A brazed, welded, or mechanical connection shall be madebefore opening the valves to permit refrigerant to flow

70ACCESSORIES INSTALLATIONENGLISH1Ø Electric Heater Modelʶʸʶʶʹʹʷʷʺʺʶʶʷʹʺ3Ø Electric Heater ModelʸʶʹʷʺʶʶʶʶʷʷʹʹʺʺCheck Polarity1Ø Electric Heater Model-

71ACCESSORIES INSTALLATIONENGLISHRelay contactorport no. assignmentELB(MCCB) port no.assignment1 32 4DHW tankNOTE!Some models are using MCCB instead o

72ACCESSORIES INSTALLATIONENGLISHHow to Install Solar Thermal KitStep 1. Check the diameter of pre-installed pipes. (symbol Ⓐ and Ⓑ)Step 2. If the dia

73ACCESSORIES INSTALLATIONENGLISHDry ContactLG Dry Contact is a solution for automatic control of AWHP at the owner's behest. In simplewords, it&

74ACCESSORIES INSTALLATIONENGLISH2Way Valve2way valve is required to control water flow while cooling operation. Role of 2way valve is to cutoff water

75ACCESSORIES INSTALLATIONENGLISH3Way Valve3way valve is required to operate sanitary water tank. Role of 3way valve is flow switchingbetween under fl

76ACCESSORIES INSTALLATIONENGLISHFinal check• Flow direction : - Water should flow from water outlet of the unit to sanitary tank water inlet when san

77ACCESSORIES INSTALLATIONENGLISHFinal checkNo. Check point Description1Connection of WaterInlet/Outlet- Check if the shut-off valves should be assemb

78CONFIGURATIONENGLISHCONFIGURATIONAs is designed to satisfy various installation environment, it is important to set upsystem correctly. If not conf

79CONFIGURATIONENGLISHDIP Switch InformationDescriptionDescriptionSettingSettingDefaultDefaultRole when centralcontroller is equipped11As MasterAs Sla

8IMPORTANT SAFETY INSTRUCTIONSENGLISH• Do not touch (operate) the unit with wet hands.- There is risk of fire or electric shock.• Do not place a heate

80CONFIGURATIONENGLISHOption Switch 1DescriptionDescription SettingSetting DefaultDefaultMODBUSMODBUSFunctionReservedReserved11As MasterAs Slave22Comm

81CONFIGURATIONENGLISHNOTE!Emergency Operation• Definition of terms- Trouble : a problem which can stop system operation, and can be resumed temporall

82CONFIGURATIONENGLISHNOTE!• Duplicated trouble : Option trouble with slight or heavy trouble- If option trouble is occurred with slight (or heavy) tr

83CONFIGURATIONENGLISHSERVICE SETTINGHow to enter service settingTo enter the menu displayed at the bottom, you need to enter the service setting menu

84SERVICE SETTINGENGLISHService contactCheck and input the service center phone number that you can call when there is service issue.• In the service

85SERVICE SETTINGENGLISHModel informationCheck product and capacity information to which the remote controller is connected.• In the service setting l

86SERVICE SETTINGENGLISHRMC version lnformationView the remote controller software version.• In the service setting list, select the RMC version infor

87SERVICE SETTINGENGLISHOpen source licenseView the remote controller’s open source license.• In the service setting list, select the open source lice

88SERVICE SETTINGENGLISH• In the menu screen, press [<,>(left/right)] button to select the setting category, and press[∧(up)] button for 3 secon

89INSTALLER SETTINGENGLISHInstaller setting• You can set the product user functions.• Some functions may not be displayed/operated in some product typ

9IMPORTANT SAFETY INSTRUCTIONSENGLISH• Turn the main power on 6 hours ago before the productstarting operation.- Otherwise, it may cause compressor da

90INSTALLER SETTINGENGLISHFunction DescriptionTH on/off Variable, coolingair settingCooling air temperature TH On / Off Type settingTH on/off Variable

91INSTALLER SETTINGENGLISH3 Minutes DelayTemporarily eliminates the 3-minute delay function of the outdoor unit Comp- Factory use only• In the install

92INSTALLER SETTINGENGLISHSelect Temperature SensorThe product can be operated according to air temperature or leaving water temperature. Theselection

93INSTALLER SETTINGENGLISHDry Contact ModeDry contact function is the function that can be used only when the dry contact devices isseparately purchas

94INSTALLER SETTINGENGLISHCentral Control Address When connecting the central control, set the central control address of the unit.• In the installer

95INSTALLER SETTINGENGLISHPump test runThe pump test run is the function to test run by operating the water pump. This function can beused for air ven

96INSTALLER SETTINGENGLISHAir cooling set temp. Determine cooling setting temperature range when air temperature is selected as settingtemperature. •

97INSTALLER SETTINGENGLISHWater cooling set temp Determine cooling setting temperature range when leaving water temperature is selected assetting tem

98INSTALLER SETTINGENGLISHAir heating set temp. Determine heating setting temperature range when air temperature is selected as settingtemperature• In

99INSTALLER SETTINGENGLISHWater heating set temp Determine heating setting temperature range when leaving water temperature is selected assetting tem