LG Hydro Kit ARNH30GK1A4 Installation Instructions Manual Download Page 1 | Manualshive

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INSTALLATION MANUAL

AIR

CONDITIONER

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.

Copyright © 2020 LG Electronics Inc. All Rights Reserved.

MFL67086714

Rev.00_072120

Hydro Kit

Wall mounted (medium temperature)

Original instruction (R32)

ENGLISH

ITALIANO

ESPAÑOL

FRANÇAIS

DEUTSCH

ΕΛΛΗΝΙΚΆ

ČEŠTINA

NEDERLANDS

POLSKI

LIMBA ROMÂNĂ

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Summary of Contents for Hydro Kit ARNH30GK1A4

Page 1: ...he national wiring standards by authorized personnel only Please retain this installation manual for future reference after reading it thoroughly Copyright 2020 LG Electronics Inc All Rights Reserved MFL67086714 Rev 00_072120 Hydro Kit Wall mounted medium temperature Original instruction R32 ENGLISH ITALIANO ESPAÑOL FRANÇAIS DEUTSCH ΕΛΛΗΝΙΚΆ ČEŠTINA NEDERLANDS POLSKI LIMBA ROMÂNĂ ...

Page 2: ...pacity 26 Pressure Drop 28 Typical Installation Example 31 Water cycle For R32 33 Water Quality 33 Frost protection 34 Preparation for Piping 35 Electrical Wiring 36 Wiring Connection 39 Connecting Cables 40 ACCESSORIES INSTALLATION 40 Before Installation 40 Thermostat 44 DHW Tank 47 DHW Tank Kit 49 Solar Thermal Kit 50 Dry Contact 52 External Controller Setting up programmable digital input opera...

Page 3: ...emp 81 DHW set temp 82 Water supply off temp during cooling 84 Heater priority 85 DHW time setting 86 TH on off Variable heating air 87 TH on off Variable heating water 88 TH on off Variable cooling air 89 TH on off Variable cooling water 90 Heating temp setting 91 Cooling temp setting 92 Pump setting in heating 93 Pump setting in cooling 94 Forced operation 95 CN_CC 96 Pump frequency setting RPM ...

Page 4: ...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...

Page 5: ...e 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 installa...

Page 6: ... a room without continuously operating ignition sources for example open flames an operating gas appliance or an operating electric heater Means for disconnection must be incorporated in the fixed wiring in accordance with the wiring rules This equipment shall be provided with a supply conductor complying with the national regulation Have all electric work done by a licensed electrician according ...

Page 7: ...ulled out or damaged during operation There is risk of fire or electric shock 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 powe...

Page 8: ...ry electric shock or unit failure 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 enter the product There is risk of fire electric shock or product 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 pow...

Page 9: ...njury 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 for R32 The appliance shall be stored so as to prevent mechanical damage from occurring If a...

Page 10: ...ment of the refrigerant oil and eventual parts should be done in accordance with local and national standards Do not install the unit in potentially explosive atmospheres Operation Do not lay on the cooled floor for long time when the unit is in cooling operation This could harm to your health Do not use the unit for special purposes such as preserving foods works of art etc There is risk of damag...

Page 11: ...onnel shall be carried out under the supervision of the person competent in the use of flammable refrigerants for R32 Do not unplug the power supply plug of Hydro Kit when stopping Hydro Kit operation Always turn Hydro Kit off using the wired remote controller A plate heat exchanger burst may happen because of disconnection of communication between Hydro Kit and the outdoor unit ...

Page 12: ...ectronics Air to Water Heat Pump Hydro Kit Before starting installation please make it sure that all parts are found inside the product box INDOOR UNIT BOX INSTALLATION PART Item Image Indoor unit Owner s Installation manual Shut off valve Installation Sheet ...

Page 13: ...ation Accessories To extend the functionality of Hydro Kit there are various external auxiliary apparatus called as accessories They are classified by accessories and 3rd party accessories according to the manufacturer Accessories are presented LG Electronics and 3rd party accessories are presented by related manufacturers Model Name Built In Electric Heater kW Power Source Electric Heater Power S...

Page 14: ...Hz 3 kW Electric Heater PHS02060320 200 liter Double Heating Coil 1Ø 230 V 50 Hz 3 kW Electric Heater PHS03060310 300 liter Single Heating Coil 1Ø 230 V 50 Hz 3 kW Electric Heater PHS03060320 300 liter Double Heating Coil 1Ø 230 V 50 Hz 3 kW Electric Heater Thermistor for DHW Tank To control hot water temperature of DHW tank PHRSTA0 Drain Pan To prevent drain water drop PHDPB Central Controller Mu...

Page 15: ... Heating type 230 V AC with Mode selection switch 3rd Party Controller To connect external controller using modbus protocol 3way valve and actuator A To control water flow for hot water heating or floor heating To control water flow when installing 3rd party boiler B To control close open mode of solar circuit 3 wire SPDT Single Pole Double Throw type 230 V AC 2way valve and actuator To control wa...

Page 16: ...it be sure to support it at 6 points Carrying and lifting the unit with 4 point support may make it unstable resulting in a fall Select space for installing the unit which will meet the following conditions The place where the unit shall be installed inside The place shall easily bear a load exceeding four times of the unit weight The place where the unit shall be leveled The place shall allow eas...

Page 17: ... 197 70 5 214 51 5 2 232 02 5 4 250 21 5 6 269 09 5 8 288 65 6 308 90 6 2 329 84 6 4 351 46 6 6 373 77 6 8 396 76 7 420 45 7 2 444 81 7 4 469 87 7 6 495 61 7 8 522 04 Wall mounted m kg Amin m2 1 224 1 224 1 43 1 4 1 87 1 6 2 44 1 8 3 09 2 3 81 2 2 4 61 2 4 5 49 2 6 6 44 2 8 7 47 3 8 58 3 2 9 76 3 4 11 02 3 6 12 36 3 8 13 77 4 15 25 4 2 16 82 4 4 18 46 Wall mounted m kg Amin m2 4 6 20 17 4 8 21 97 ...

Page 18: ...m opening The area of any openings above 300 mm from the floor shall not be considered in determining compliance with Anvmin At least 50 of the required opening area Anvmin shall be below 200 mm from the floor The bottom of the lowest openings shall not be higher than 100 mm from the floor If the openings starts from the floor the height must be higher than 20 mm Top opening The total size of the ...

Page 19: ...um air flow a product can be installed in the room smaller than the minimum floor area The room shall comply with machinery room s requirements of ISO 5149 m kg Amin m2 1 224 1 224 1 43 1 3 1 61 1 4 1 87 1 5 2 15 1 6 2 44 1 7 2 76 1 8 3 09 1 9 3 44 2 3 81 2 1 4 20 2 2 4 61 2 3 5 04 2 4 5 49 2 5 5 96 2 6 6 44 2 7 6 95 ...

Page 20: ...tc Choose the place where is water resistant or good drainage Service space should be secured No flammable materials around the indoor unit Mice can not be appeared to prevent entering the indoor unit or attacking wires Do not place anything in front of the indoor unit to ensure air circulation around the indoor unit Do not locate anything under the indoor unit to be free from unexpected water out...

Page 21: ...s of the front cover Then pull into upward direction Step 3 Attach Installation Sheet to the wall and mark the location of bolts This sheet helps to find correct location to the bolts Bottom screws Upper screw CAUTION After installation is completed return the remote control to its original state CAUTION The sheet should be attached level If not the supporting plate and the indoor unit will not be...

Page 22: ...bolts at the hole marks on the wall When screwing bolts use M8 M11 anchor bolts to secure hanging the indoor unit Step 5 Hang the indoor unit at the supporting plate NOTE Self drilling screw can be used as alternatives of M8 M11 anchor bolts But M8 M11 anchor bolts are more preferred ...

Page 23: ...l that inner section of the pipe should not be defective For example no weldments or no burrs are found inside the pipe Drain piping should be provided in case of water discharge by the operation of the safety valve This situation can be happened when the internal pressure is over 3 0 bar and water inside the indoor unit will be discharged to drain hose While connecting water pipes followings shou...

Page 24: ...utlet pipe of the indoor unit Water condensation on the floor While cooling operation it is very important to keep leaving water temperature higher than 16 C Otherwise dew condensation can be occurred on the floor If floor is in humid environment do not set leaving water temperature below 18 C Water condensation on the radiator While cooling operation cold water may not flow to the radiator If col...

Page 25: ... If air is exist inside the water circuit then performance degrade noise at the water pipe mechanical damage at the surface of electric heater coil Step 4 Stop water supplying when the pressure gauge located in front of the control panel indicates 2 0 bar Step 5 Close drain valve and fill valve Then wait for 20 30 seconds to observe water pressure being stabilized Step 6 If following conditions ar...

Page 26: ...y as Rated flow rate NOTE To secure enough water flow rate do not set water pump capacity as Minimum It can lead unexpected flow rate error CH14 NOTE When installing the product install additional pump in consideration of the pressure loss and pump performance If flow rate is low overloading of product can occur Capacity kW Rated flow rate LPM Pump Head m at rated flow rate Product pressure drop m...

Page 27: ...formance test based on standard ISO 9906 with pre pressure 2 0bar and liquid temperature 20 C WARNING Selecting a water flowrate outside the curves can cause damage to or malfunction of the unit MGQ62321902 UPM3K GEO 20 75 CHBL 5 kW 7 kW 9 kW for R32 ...

Page 28: ...ptual 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 NOTE 2way valve It is important to install 2way valve to prevent dew condensation on the floor and radiator while cooling mode 2way valve should be installed at the supply side of the collector By pass valve To...

Page 29: ...Domestic Hot Water CASE 2 Connecting DHW Tank Outdoor Indoor Outdoor Unit Indoor Unit Floor heating loop Fan coil unit Hot water City water Radiator M F DHW DHW tank tank DHW tank High Temperature Room Thermostat Field supply 2way valve Field supply 3way valve Field supply By pass valve Field supply Low Temperature Shut off valve Magnetic Filter Recommended M F DHW tank ...

Page 30: ...HW tank High Temperature Room Thermostat Field supply 2way valve Field supply 3way valve Field supply By pass valve Field supply Low Temperature Shut off valve Pump Field supply Magnetic Filter Recommended M F DHW tank NOTE DHW tank It should be equipped with internal electric heater to generate sufficient heat energy in very cold season DHW Domestic Hot Water Pump Maximum power consumption of pum...

Page 31: ...ANK W PUMP_1 Ref Out F S Backup Heater Remote Room Temp Sensor Solar Panel 3WAY V V_1 2WAY V V_1 City Water Shower 3WAY V V_2 SOLAR THERMAL SYSTEM W PUMP_2 Booster Heater Ref In Radiator DHW Tank is Installed DHW tank is Necessary Solar thermal system is connected Solar thermal kit is necessary M F Magnetic Filter Recommended S7 S8 S11 S13 S14 S12 S9 S S10 Check Valve Bypass Valve EEV ...

Page 32: ... connector 3rd party accessory and Field installation sold separately Generating and storing DHW by AWHP or built in electric heater B HT Booster Heater CN_B_HEAT_A 3rd party accessory and Field installation usually built in at W TANK Supplying additional water heating capacity 3WAY V V_1 Flow control for water which is leaving from indoor unit Flow direction switching between underfloor and water...

Page 33: ...uct is installed at existing hydraulic water loop it is important to clean hydraulic pipes to remove sludge and scale Installing sludge strainer in the water loop is very important to prevent performance degrade Chemical treatment to prevent rust should be performed by installer It is strongly recommended to install an additional filter on the heating water circuit Especially to remove metallic pa...

Page 34: ...ng dedicated flaring tool for R 410A refrigerant as shown below Firmly hold copper tube in a bar or die as indicated dimension in the table above Step 5 Check Compare the flared work with right figure If flare is seemed to be defective cut off the flared section and do flaring work again Preparation for Piping Main cause of gas leakage is defect in flaring work Carry out correct flaring work in th...

Page 35: ...ck of the control box Hole B for DC line wire which is connected to the PCB of the control box A B CAUTION Before starting wiring job the main electricity supply should be turned off until wiring is completed When adjusting or changing wiring the main electricity supply should be turned off and ground wire should be connected securely Installation place should be free from the attack of wild anima...

Page 36: ...Ø 220 240 V 50 Hz Terminal Block 2 Terminal Block 3 1Ø Electric Heater Terminal Block 1 Terminal Block 2 Terminal Block 4 5 Terminal Block 3 Wiring Connection Connect the wires to the terminals on the control board individually according to the outdoor unit connection Ensure that the wire color of the outdoor unit and terminal No are same as those of the indoor unit respectively WARNING Make sure ...

Page 37: ...ould be complied with IEC 60245 or HD 22 4 S4 This equipment shall be provided with a cord set complying with the national regulation 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 If the supply cord ...

Page 38: ...se note the relation between cable length and thickness 8 Do not install the earth leakage breaker in a place which is wet or moist Water or moisture may cause a short circuit 9 The following troubles could be caused by voltage drop down Vibration of a magnetic switch damage on the contact point there of fuse breaking disturbance to the normal function of a an overload protection device Proper sta...

Page 39: ...securing the distance increase the distance h When several power cables are inserted into the transmission line or tied together make sure to consider the following issues Power cables and communication cable shall not be in the same transmission line Power cables and communication cable shall not be tied together WARNING Are all of the indoor units and outdoor units grounded If grounding is not p...

Page 40: ...an user s expectation Please read thermostat manual carefully if the unit does not response quickly Setting temperature range by thermostat can be different with that of the unit The heating or cooling set temperature should be chosen within the setting temperature range of the unit It is highly recommended that the thermostat should be installed where space heating is mainly applied WARNING Follo...

Page 41: ... and cooling target temperature Yes Heating Cooling 4 Yes Heating Cooling 4 Yes Heating Only 3 230 V Electrical 2 Yes Heating Only 3 230 V Mechanical 1 Supported Operating Mode Power Type 5 ft 1 5 m Direct Sun ray contact area no no no yes Thermostat CAUTION Choosing heating cooling thermostat Heating cooling thermostat must have Mode Selection feature to distinguish operation mode Heating cooling...

Page 42: ...ostat N Neutral signal from PCB to thermostat H Heating signal from thermostat to PCB Step 5 Find terminal block and connect wire as below L Live signal from PCB to thermostat N Neutral signal from PCB to thermostat C Cooling signal from thermostat to PCB H Heating signal from thermostat to PCB CAUTION Do not connect external electric loads Wire L and N should be used only for operation electric t...

Page 43: ...LATION ENGLISH Final check DIP switch setting Set DIP switch No 8 to ON Otherwise the unit can not recognize the thermostat Remote Controller Thermostat text is displayed on the remote controller Button input is prohibited ...

Page 44: ...irectives As this water tank is sanitary water tank indirect heat exchange do not use anti water freezing treatment like ethylene grycol It is highly recommend to wash out inside of the sanitary water tank after installation It ensures generating clean hot water Near the sanitary water tank there should be water supply and water drain to easy access and maintenance Set the maximum value of the tem...

Page 45: ...Out WARNING Installing recirculation pump When Hydro Kit is used with DHW tank it is STRONGLY recommended to install recirculation pump to prevent flooding out cold water at the end of hot water supply and to stabilize the water temperature inside DHW tank The recirculation pump should be operated when DHW demand is not required Therefore external time scheduler to determine when the recirculation...

Page 46: ...tem L Live signal from PCB to Heater N Neutral signal from PCB to Heater Adjusting thermostat temperature To guarantee proper operation it is recommended to set temperature of thermostat to maximum temperature symbol at the picture 1Ø Electric Heater Model and 3Ø Electric Heater Model are set by same method as below L N A WATER TANK HEATER L N WARNING Wire specification Cross sectional area of the...

Page 47: ...elow procedures step 1 step 4 Step 1 Uncover DHW tank kit and locate it on the wall Step 2 Connect Harness of Main PCB assembly TB1 6 7 to CN_B_Heat_A of the Main PCB like following fig 1 Step 3 Insert DHW tank sensor to CN_TH4 Red of the Main PCB refer as below Step 4 Connect power supply to the DHW tank kit as shown fig 1 h The sensor should be mounted correctly to the sensor hole of DHW water t...

Page 48: ...ATION ENGLISH Inside DHW tank DHW tank outer wall DHW Tank Temperature Sensor Sensor holder Fig 2 CAUTION Sensor mounting Insert sensor into sensor socket and bolt it tightly Insert sensor until the cable tie as shown below ...

Page 49: ...hermal kit How to Install Solar Thermal Kit Parts of Solar Thermal Kit Water Pipe Tube connector Solar thermal sensor CN_TH4 Indoor PCB Holder sensor Tube Connector Solar Thermal Sensor 12 m 1 EA Follow below procedures step 1 step 4 Step 1 Install tube connector it is necessary to reduce or extend diameter of pipe the pipe and solar thermal kit Step 2 Check if the power of the unit is turned off ...

Page 50: ...p 4 Step 1 Check if the power of the unit is turned off Step 2 Disassemble front panels and distinguish terminal block in Indoor PCB Step 3 Connect cable to the unit PCB CN_CC fully Step 4 Then Insert harness to the dry contact PCB CN_INDOOR firmly as shown below CN_INDOOR Dry contact CN_CC Indoor PCB Dry Contact body Cable for connecting with IDU NOTE For more information about installing Dry Con...

Page 51: ... does not supply this section Field supply For input contact voltage DC 12 V 24 V Notes Do not input the voltage signal in NON VOLT setting mode otherwise it will cause serious damage jvtt v jvtt mhu olh jvvs sv tpkksl opno Thermostat LG does not supply this section Field supply For input contact closure only No power input Setting of Contact Signal Input ...

Page 52: ... Emergency stop only for indoor unit 4 Reattachment absence 5 Emergency stop of all indoor units It can be set only when indoor unit has emergency stop function CN_EXT Indoor PCB Adapter Cable Indoor Unit Supplied Part X 0 5 m Max 10 m X Relay Circuit Power supply of relay SW PCB Field Installation Part Installation example 2 SW Single pole switch Select a part with contacts for extremely low ampe...

Page 53: ...ture sensor is very similar to that of thermostat Distance between the unit and the remote air temperature sensor should be less than 15 m due to length of the connection cable of remote air temperature sensor For other constraints please refer to previous page where constraints about thermostat is described 5 ft 1 5 m Direct Sun ray contact area no no no yes 5 ft 1 5 m Direct Sun ray contact area...

Page 54: ...nstalling Remote Temperature Sensor Please refer installation manual provided with Remote Temperature Sensor For system set up please read chapter 8 Especially function code No 3 How to Install Remote Temperature Sensor Parts of Remote Temperature Sensor Sensor Screw to fix remote sensor Follow below procedures step 1 step 5 Step 1 Decide where the remote temperature sensor is Installed Then Deter...

Page 55: ...eck if the power of the unit is turned off Step 2 Disassemble front panels and distinguish control box Indoor of the unit Step 3 Check if the harness Black is inserted fully to the indoor unit PCB CN_W_PUMP_B Step 4 Connect the external pump to terminal block 1 4 5 h It is possible to un use solar pump depending on installation environment L N BR BL 4 5 WATER PUMP B CN_W_PUMP_B Solar pump AC 230 V...

Page 56: ...odem Follow below procedures step 1 step 5 Step 1 Check if the power of the unit is turned off Step 2 Disassemble front panels and distinguish control box Indoor of the unit Step 3 Connect the USB cable to the indoor unit PCB CN_WF Blue until it clicks into place Step 4 Connect the Wi Fi modem to the USB cable fully Step 5 Refer to the image below to install the Wi Fi modem in the marked position ...

Page 57: ... flow Yes Opening water flow Yes Closing water flow 230 V AC NO 2 wire 1 Supported Operating Mode Power Type 2way valve NO NC N 2WAY VALVE A L1 L2 N 14 15 16 NO Live signal for Normal Open type from PCB to 2way valve NC Live signal for Normal Closed type from PCB to 2way valve N Neutral signal from PCB to 2way valve Final Check Flow direction Water should not flow into under floor loop in cooling ...

Page 58: ...he unit to DHW water tank How to wire 3way valve A Follow below procedures Step 1 Step 2 Step 1 Uncover front cover of the unit Step 2 Find terminal block and connect wire as below W Live signal Water tank heating from PCB to 3way valve U Live signal Under floor heating from PCB to 3way valve N Neutral signal from PCB to 3way valve Type Power Operating Mode Supported SPDT 3 wire 1 220 240 V Select...

Page 59: ... open mode of circuit How to wire 3way valve B Follow below procedures Step 1 Step 2 Step 1 Uncover front cover of the unit Step 2 Find terminal block and connect wire as below W Live signal close solar circuit from PCB to 3way valve U Live signal open solar circuit from PCB to 3way valve N Neutral signal from PCB to 3way valve Type Power Operating Mode Supported SPDT 3 wire 1 220 240 V Selecting ...

Page 60: ...s not electronic noise may occur from the power source 5 The power cord specifications Check the power cord specifications 6 3Way Valve Water should flow from Water outlet of the unit to sanitary tank Water inlet when sanitary tank heating is selected To verify the flow direction Make sure that the water outlet temperature of the unit and water inlet temperature of sanitary Water tank are similar ...

Page 61: ...oper operation or degrade of performance can be expected DIP Switch Setting General Information Indoor PCB OFF ON SW1 1 2 3 4 OFF ON 1 2 3 4 OFF is selected ON is selected OFF ON SW2 1 2 3 4 5 6 7 8 SW3 1 2 3 4 1 2 3 4 1 2 3 4 5 6 7 8 CAUTION Turn off electric power supply before setting DIP switch Whenever adjusting DIP switch turn off electric power supply to avoid electric shock ...

Page 62: ...3 6 7 Unit Outdoor unit is installed Unit Outdoor unit DHW tank is installed Unit Outdoor unit DHW tank Solar thermal system is installed Reserved Full capacity is used Cycle 4 4 Heating Only Heating Cooling Selecting electric heater capacity Electric heater is not used Reserved 1Ø model Half capacity is used 3Ø model 1 3 capacity is used Thermostat installation information 8 8 Thermostat is NOT i...

Page 63: ... Description Description Setting Setting Default Default Remote Air Sensor ANTIFREEZE Reserved Reserved 1 1 Remote sensor is not installed Remote sensor is installed 2 2 Antifreeze mode not use Antifreeze mode 3 3 4 4 Reserved Not Use 1 2 3 4 ...

Page 64: ...ensor problems The outdoor unit is operating under emergency mode operation condition which is configured by DIP switch No 4 of the unit PCB Heavy trouble a problem is found inside the outdoor unit As the outdoor unit has problem the emergency mode operation is performed by electric heater located in the unit Option Trouble a problem is found for option operation such as water tank heating In this...

Page 65: ...emergency operation mode When DHW is not warming up while emergency operation please check if DHW sensor and related wiring are all Ok Emergency operation is not automatically restarted after main electricity power is reset In normal condition the product operating information is restored and automatically restarted after main electricity power is reset But in emergency operation automatic re star...

Page 66: ...ting category and press OK button to move to the service setting list Service setting You can set the product service functions Some functions may not be displayed operated in some product types OK Menu Description Service contact Check and input the service center phone number that you can call when there is service issue Model information View product and capacity information RMC Version Informa...

Page 67: ... you can call when there is service issue In the service setting list select the service contact point and press OK button to move to the detail screen While edit button is selected press OK button to move to the edit screen change it and press OK button to change the service contact point OK OK ...

Page 68: ...d In the service setting list select model information category and press OK button to move to the detail screen The unit capacity 1 kWh 1 kBtu 0 29307 kWh is the result calculated based on Btu There may be a small difference between calculated and actual capacity Ex If the unit capacity is 18 kBtu it is displayed as 5 kWh OK ...

Page 69: ...ERVICE SETTING ENGLISH RMC version lnformation View the remote controller software version In the service setting list select the RMC version information and press OK button to move to the detail screen OK ...

Page 70: ...ICE SETTING ENGLISH Open source license View the remote controller s open source license In the service setting list select the open source license category and press OK button to move to the detail screen OK ...

Page 71: ...ng Leaving Water Temperature in cooling mode Air heating set temp Adjusting range of Setting Air Temperature in heating mode Water heating set temp Adjusting range of Setting Heating Flow Temperature in heating mode DHW Set Temp Setting DHW set temperature Water supply off temp during cooling Determine leaving water temperature when the unit is turned off This function is used for preventing conde...

Page 72: ...act installation but it is a function to set the usage of the unit s CN_CC port Pump frequency setting RPM Function to change Water Pump RPM Pump Capacity Function to change Water Pump Capacity CN_EXT Function to set external input and output control according to DI DO set by customer using dry contact port of indoor unit Determine the use of the contact port CN_EXT mounted on the indoor unit PCB ...

Page 73: ...SH 3 Minutes Delay Temporarily eliminates the 3 minute delay function of the outdoor unit Comp Factory use only In the installer setting list select 3 Minutes Delay category and press OK button to move to the detail screen OK ...

Page 74: ...ing temperature as air temperature or leaving water temperature is determined In the installer setting list Select Temperature Sensor category and press OK button to move to the detail screen OK Value Water Air NOTE Air temperature as setting temperature is ONLY available when Remote Air Sensor Connection is enabled and Remote Air Sensor Connection is set as 02 ...

Page 75: ...ng values using left right button Value Auto manual NOTE For dry contact mode related detail functions refer to the individual dry contact manual What is dry contact It means the contact point signal input when the hotel card key human body detection sensor etc are interfacing with the air conditioner Added system functionality by using external inputs dry contacts and wet contacts ...

Page 76: ...The pump test run is the function to test run by operating the water pump This function can be used for air vents flow sensors and others In the installer setting list Pump Test run category and press OK button to move to the detail screen OK ...

Page 77: ...staller setting list select Air cooling set temp category and press OK button to move to the detail screen Upper lower limit default value is in C OK Value Default Range Max 30 24 30 Min 16 16 22 NOTE Only available when remote air temperature sensor is connected Accessory PQRSTA0 should be installed Also Remote air sensor connection should be set properly ...

Page 78: ...K Value Default Range Max 24 20 25 Min 16 16 20 NOTE Water condensation on the floor While cooling operation it is very important to keep leaving water temperature higher than 16 C Otherwise dew condensation can be occurred on the floor If floor is in humid environment do not set leaving water temperature below 18 C NOTE Water condensation on the radiator While cooling operation cold water may not...

Page 79: ...taller setting list select Air heating set temp category and press OK button to move to the detail screen Upper lower limit default value is in C OK Value Default Range Max 30 24 30 Min 16 16 22 CAUTION Only available when remote air temperature sensor is connected Accessory PQRSTA0 should be installed Also Remote air sensor connection should be set properly ...

Page 80: ... setting temperature In the installer setting list select Water heating set temp category and press OK button to move to the detail screen Upper lower limit default value is in C OK Value Default Range Max 50 35 50 Min 20 20 34 NOTE When the E heater is not used the minimum temperature of the water temperature can be set from 34 C to 20 C ...

Page 81: ... setting temperature range when DHW temperature is selected as setting temperature In the installer setting list select DHW set temp category and press OK button to move to the detail screen Upper lower limit default value is in C OK Value Range Max 50 Min 40 ...

Page 82: ...ction is used for preventing condensation on the floor in cooling mode In the installer setting list select Water supply off temp during cooling category and press OK button to move to the detail screen OK Function Value Default Setting Rang cooling water temperature Water supply off temperature 16 25 16 FCU Use not use use Use Not Use ...

Page 83: ...when the leaving water temperature is below 10 C Example If Stop temp is set as 10 and FCU is Not use and actually FCU is installed in the water loop the Stop temp is not used and the unit do NOT stop operation in cooling mode when the leaving water temperature is below 10 C CAUTION FCU Installation If FCU is used related 2way valve should be installed and connected to the unit PCB If FCU is set a...

Page 84: ...tric heater and DHW tank heater are on and off according to control logic If Heater priority is set as Boost heater only ON then electric heater is never turned on and only DHW tank heater is on and off according to control logic In the installer setting list heater priority category and press OK button to move to the detail screen OK Value Boost heater only ON Main Boost heater ON ...

Page 85: ...duration defines how long time DHW tank heating can be stopped It is also regarded as time gap between DHW tank heating cycle Boost heater delay time This time duration defines how long time DHW tank heater will not be turned on in DHW heating operation Example of timing chart DHW tank heating is enabled DHW tank heater is enabled DHW tank heating operation DHW tank heater operation 1 active 0 not...

Page 86: ...he heating air temperature Thermal On Off temperature according to the field environment in preparation for heating or heating claim You can set the following setting values using left right button Value Description TH On TH Off Type0 0 5 C 1 5 C Type1 1 C 2 C Type2 2 C 3 C Type3 3 C 4 C ...

Page 87: ... the heating water temperature Thermal On Off temperature according to the field environment in preparation for heating or heating claim You can set the following setting values using left right button Value Description TH On TH Off Type0 2 C 2 C Type1 3 C 3 C Type2 4 C 4 C Type3 1 C 1 C ...

Page 88: ...1 C Type2 2 C 2 C Type3 3 C 3 C TH on off Variable cooling air It is a function to adjust the cooling air temperature Thermal On Off temperature according to the field environment in preparation for cooling or cooling claim You can set the following setting values using left right button ...

Page 89: ...he cooling water temperature Thermal On Off temperature according to the field environment in preparation for cooling or cooling claim You can set the following setting values using left right button Value Description TH On TH Off Type0 0 5 C 0 5 C Type1 1 C 1 C Type2 2 C 2 C Type3 3 C 3 C ...

Page 90: ...heating mode the control reference water temperature position setting If the air leaving water temperature selection setting is set to leaving water temperature Change setting values using left right button The function is not available for some products Value Outlet Default Inlet ...

Page 91: ...cooling mode the control reference water temperature position setting If the air leaving water temperature selection setting is set to leaving water temperature Change setting values using left right button The function is not available for some products Value Outlet Default Inlet ...

Page 92: ...t time Installer setting function to set water pump operation delay time option in heating mode In the installer setting list select Pump setting in heating category and press OK button to move to the detail screen OK Type Time setting Operation continue On 1 min 60 min Off 1 min 60 min 92 SERVICE SETTING ENGLISH ...

Page 93: ...utting the water pump s rest time installer setting function to set water pump operation delay time option in cooling mode In the installer setting list select Pump setting in cooling category and press OK button to move to the detail screen OK Type Time setting Operation continue On 1 min 60 min Off 1 min 60 min ...

Page 94: ... prevent pump failure and PHEX freezing Water pump off After 20 consecutive hours disable enable the logic that drives the water pump by itself In the installer setting list select Forced operation category and press OK button to move to the detail screen OK Type Use Not use Oper Cycle 20 hours 180 hours Oper Time 1 min 10 min ...

Page 95: ...cription D C Automatic When power is applied to the product the unit when the contact point is on in Dry Contact installed state recognizes Dry Contact installation D C Not Installed Do not use install Dry Contact D C Installed Use install Dry Contact NOTE CN_CC is the device connected to the unit to recognize and control the external contact point ...

Page 96: ...nstaller to control pump RPM of AC pump application model In the installer setting list select Pump frequency setting RPM category and press OK button to move to the detail screen The function is not available for some products OK Value Description 3 500 500 3 700 RPM Change unit 10 ...

Page 97: ...le installer to control Pump capacity application model In the installer setting list select Pump Capacity category and press OK button to move to the detail screen The function is not available for some products OK Value Description 100 Default 10 100 Change unit 5 ...

Page 98: ... external input and output according to DI type set by customer using CN EXT Port In the installer setting list select CN EXT Port category and press OK button to move to the detail screen Value Not use Simple Operation Simple Dry Contact Single emergency stop OK ...

Page 99: ...n installer mode It prevents frostbite from happening In the range of 25 to 5 degree celsius Change setting values using left right button The function is not available for some products NOTE To use this function the antifreeze short pin CN_FLOW2 must be open and switch No 2 in Option SW 3 must be on ...

Page 100: ...is operated This is a function that allows heat exchange to work smoothly Pump Overrun is a function to prevent water pump failure and to help mechanical life If the water pump has been off for 20 hours Water pump will operate for the set time OK Value Default Setting Range Prerun 1 min 1 10 min Overrun 1 min 1 10 min ...

Page 101: ...on reference value in Solar Thermal System In the installer setting list select Solar thermal system category and press OK button to move to the detail screen NOTE To use this function switch No 2 of option switch 2 must be turned ON and No 3 of option switch 2 must be turned OFF ...

Page 102: ...hat can be reached by solar thermal system Boost Heater Enable DHW tank heater can be used when operating the Solar Thermal system Disable DHW tank heater cannot be used when operating the Solar Thermal system Solar pump flush schedule It is the function to circulate the solar water pump intermittently for solar collector temperature detection when the solar water pump does not operate for a long ...

Page 103: ...function to check the current flow rate In the installer setting list select Current Flow Rate category and press OK button to move to the detail screen The current flow rate can be checked Range 7 80 L min The function is not available for some products OK ...

Page 104: ...ove to the detail screen OK NOTE Error history lookup range 50 Error history information Item date time mode including Off set temperature incoming temperature outgoing temperature room temperature Hot water operation stop Hot water set temperature Hot water temperature Outdoor unit On Off Error code Number of Display Within 50 Save criteria ν ν Error occurred released ON OFF of outdoor unit opera...

Page 105: ... in the remote controller In the installer setting list select the password initialization setting category and press OK button to move to the detail screen When you press initialization button a popup screen appears and when you press check button password initialization starts and the user password is changed to 0000 OK ...

Page 106: ...for the sake of system protection Wait while unit warms up to 18 C the water inlet temperature If you are not using the back up heater accessory HA 1M E1 increase the water temperature with the external heat source heater boiler If the problem persists contact your dealer If you want to use the screed drying function be sure to purchase and install back up hater accessories HA 1M E1 3 Water pump n...

Page 107: ...etween remote controller and Main PCB assembly Heater should be tight Output voltage of PCB should be 12 V DC 5 Bad communication between Main PCB assembly Heater and Main PCB assembly Inverter of the unit The connector for transmission is disconnected The connecting wires are misconnected The communication line is broken Main PCB assembly Inverter is abnormal Main PCB assembly Heater is abnormal ...

Page 108: ...is above 57 C R410A 65 C R32 If there is no problem in electric heater control possible maximum leaving water temperature is 57 C R410A 65 C R32 20 Thermal fuse is damaged Thermal fuse is cut off by abnormal overheating of internal electric heater Mechanical fault at thermal fuse Wire is damaged This error will not be happened if temperature of electric heater tank is below 80 C ...

Page 109: ...ow 70 dB The noise level can vary depending on the site The figures quoted are emission level and are not necessarily safe working levels Whilst there is a correlation between the emission and exposure levels this cannot be used reliably to determine whether or not further precautions are required Factor that influence the actual level of exposure of the workforce include the characteristics of th...

Page 110: ...110 ENGLISH ...

Page 111: ...Center B V Krijgsman 1 1186 DM Amstelveen The Netherlands Manufacturer LG Electronics Inc Changwon 2nd factory 84 Wanam ro Seongsan gu Changwon si Gyeongsangnam do KOREA The information for Eco design is available on the following free access website https www lg com global support cedoc cedoc ...

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