LG HN Series Installation Manual Download Page 133

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133

INSTALLER SETTING

ENGLISH

Water supply off temp. during cooling

Determine the leaving water temperature which blocks the flow into underfloor coil in cooling
mode. This function 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.

Function

Value

Default

Setting Rang

cooling water

temperature

Water supply off temperature

25~16

FCU Use/ not use

use

Use / Not Use

Summary of Contents for HN Series

Page 1: ...e national wiring standards by authorized personnel only Please retain this installation manual for future reference after reading it thoroughly Original instruction Copyright 2020 LG Electronics Inc All Rights Reserved MFL68681818 Rev 00_070220 ENGLISH ITALIANO ESPAÑOL FRANÇAIS DEUTSCH ΕΛΛΗΝΙΚΆ ČEŠTINA NEDERLANDS POLSKI LIMBA ROMÂNĂ PORTUGUÊS MAGYAR БЪЛГАРСКИ SRPSKI HRVATSKI SLOVENŠČINA ...

Page 2: ...Unit is Installed 29 Drill a Hole in the Wall 30 Transporting the Unit 32 Installation at Seaside 32 Seasonal wind and cautions in winter Chapter 5 33 INSTALLATION OF INDOOR UNIT 33 Conditions where Indoor Unit is Installed 34 Transporting the Unit 35 Connecting Condensate drainage 35 Front Panel Removal 36 Floor area requirement indoor unit 37 Ventilation requirements 40 Electrical Wiring Chapter...

Page 3: ... Boiler 78 3rd Party Controller 79 Meter Interface 80 2 Zone Controller 81 Central Controller 83 Dry Contact 85 External Controller Setting up programmable digital input operation 86 Remote Temperature Sensor 88 External pump 89 Wi fi Modem 90 Smart Grid 91 2Way Valve 92 Final check Chapter 9 93 CONFIGURATION 93 DIP Switch Setting 99 SERVICE SETTING 99 How to enter service setting 99 Service setti...

Page 4: ...mp setting in cooling 138 Seasonal auto temp 140 DHW set temp 141 Tank disinfection setting 1 2 142 Tank setting 1 143 Tank setting 2 145 DHW time setting 146 Pump test run 147 Frost Protection Temp 148 Dry Contact Mode 149 Central Control Address 150 CN_CC 151 Smart Grid SG 152 Power Supply Blockage Smart Grid 153 Modbus Address 154 CN_EXT 155 3rd Party Boiler 156 Meter Interface 157 Zone 159 Pum...

Page 5: ...on 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 for refrigerant and wiring at the outdoor unit Refrigerant pipe connection between the indoor unit and the outdoor unit Electrical wiring at the outdoor unit Chapter 7 How to perform piping for water and wiring at t...

Page 6: ...ymbol 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 matter...

Page 7: ...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 failur...

Page 8: ...ed 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 an...

Page 9: ... 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 prope...

Page 10: ... 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 f...

Page 11: ...nt 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 devic...

Page 12: ...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 ser...

Page 13: ...n 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 ...

Page 14: ...nstallation please make it sure that all parts are found inside the product box INDOOR UNIT BOX INSTALLATION PART Item Image Outdoor Unit U4 Chassis 5 7 9kW Damper 4EA Drain Cap 2EA Drain Nipple Item Image Indoor Unit Installation Manual Shut off valve Shut off valve with integrated strainer OUTDOOR UNIT BOX ...

Page 15: ...nd find helpful information on installation Model Information Factory Model Name Outdoor unit Function I Integrated DHW tank 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 Z H U W 0 9 6 A 0 Series Number Function...

Page 16: ...Capacity Ex 05 5 kW 07 7 kW 09 9 kW Classification U Outdoor Unit H Air to Water Heat Pump 1 U H Indoor unit 09 6 T N B 1 Series Number Chassis Platform B DHW tank integrated Platform Classification N Indoor Unit T DHW tank integrated model Heater Capacity 6 6 kW Heater Heater Electrical ratings 1 1Ø 220 240 V 50 Hz Heating Capacity Ex 05 5 kW 07 7 kW 09 9 kW Classification N Indoor Unit H Air to ...

Page 17: ...der EN14511 water temperature 23 C 18 C at outdoor ambient temperature 35 C 24 C h All appliances were tested at atmospheric pressure Model Name Built In Backup Heater kW Capacity Power Source Unit Refrigerant Outdoor Unit Indoor Unit Heating kW 1 Cooling kW 2 Capacity kW Tank Capacity L R32 5 200 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 ...

Page 18: ...7 7 1 9 2 3 4 5 6 7 680 1810 71 602 8 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 Cable lead throughs ...

Page 19: ...t PCB 2 Electric heater 11 Terminal blocks 3 Flow sensor 12 Magnesium anode 4 Plate heat exchanger Refrigerant Water 13 DHW tank sensor 5 3 way valve DHW Heating 14 Plate heat exchanger Water DHW 6 Pressure gauge 15 DHW water pump 7 Expansion vessel for Heating 16 DHW strainer 8 Safety thermostat 17 Main water pump 9 Electric heater Relay 18 DHW Expansion vessel Accessory ...

Page 20: ... unit External Product Heating Capacity 5 kW 7 kW 9 kW U4 Chassis unit mm Supporter 4 holes for anchor bolts 390 834 165 165 390 620 950 809 330 No Name 1 Liquid side Service Valve 2 Gas side Service Valve 3 Air discharge Grille Description ...

Page 21: ...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 3 Safety thermostat for Electric heater The safety thermostat protects the backup heater against overload or short circuit 4 Electric heater Relay ...

Page 22: ...on 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 OK Operation display window On Off Button OK Button Back button Up Down Left Right Button ...

Page 23: ...nt 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 ...

Page 24: ...ccessory Expansion vessel Accessory Magnetic Filter Recommended Shut off valve with strainer Mix Kit Field supply Shut off valve M F NOTE Mix Kit You can install it when you want to set the temperature of two rooms individually When heating Circuit 2 can not be higher than Circuit 1 When cooling Circuit 2 can not be lower than Circuit 1 The types and specifications of the Mix Kit are to comply wit...

Page 25: ...e Room Thermostat Field supply By pass valve Field supply Air vent Field supply 2way valve Field supply Low Temperature Buffer tank Accessory Expansion vessel Accessory Aquastat V V Pump Field supply Shut off valve Magnetic Filter Recommended Check valve M F Shut off valve with strainer NOTE DHW tank 3rd Party Boiler You can control the boiler automatically and manually by comparing the outside te...

Page 26: ...ategory Symbol Meaning PCB Connector Refrigerant side S1 Compressor suction pipe temperature sensor CN_SUCTION S2 Inlet IHEX temperature sensor CN_VI_IN S3 Outdoor air temperature sensor CN_AIR S4 Outdoor HEX temp sensor CN_C_PIPE S5 Compressor discharge pipe temperature sensor CN_DISCHARGE S6 Outdoor HEX middle temp sensor CN_MID S9 PHEX gas temp sensor CN_PIPE OUT S10 PHEX liquid temp sensor CN_...

Page 27: ... system components and their location It does not include all necessary components and safety devices according to DIN EN 12828 and eventually required equipment for maintenance and service Local national regulation needs to be followed Subject to technical changes The following diagram shows an exemplary installation scene For other examples please ask your local LG Partner for support LG supply ...

Page 28: ...of the distribution system that are not designed for cooling Refer to chapter 3 4 13 for information how to connect the valve Install external dew point monitor relay in combination with dry contact The relative humidity shall not exceed 65 Use reversible control valves heating cooling for individual room control e g underfloor thermostats If the unit is connected to an old piping system A magneti...

Page 29: ...rtant to secure proper space around the outdoor unit and care for specific external conditions This chapter presents a guide to install the outdoor unit make a route to connect with the indoor and what to do when installed around seaside Conditions where Outdoor Unit is Installed If a sunroof is built over the unit to prevent direct sunlight or rain exposure make sure that heat radiation from the ...

Page 30: ...d at four points so that impact is not applied to the unit Attach the ropes to the unit at an angle Ⓐ of 40 or less Use only accessories and parts which are of the designated specification when installing Sub line 40º or less Air outlet grille Intake hole Corner Handle Forklift Always hold the unit by the corners as holding it by the side intake holes on the casing may cause them to deform ...

Page 31: ...may get a cut in your hands Tear plastic packaging bag and scrap it so that children cannot play with it Otherwise plastic packaging bag may suffocate children to death When carrying in Unit be sure to support it at four points Carrying in and lifting with 3 point support may make Outdoor Unit unstable resulting in a fall Use 2 belts of at least 8 m long Place extra cloth or boards in the location...

Page 32: ...act your supplier for the additional anti corrosion treatment Seasonal wind and cautions in winter Sufficient measures are required in a snow area or severe cold area in winter so that product can be operated well Get ready for seasonal wind or snow in winter even in other areas Install a suction and discharge duct not to let in snow or rain Install the outdoor unit not to come in contact with sno...

Page 33: ...ns such as rain snow wind frost etc 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 ...

Page 34: ...ing transport to prevent damage The device must not be stacked and other objects must not be placed on it Appropriate transport equipment must be used for installing the device Safety regulations and good practice have to be applied When lifting the unit use the dedicated carrying handles at bottom and backside of the product Tilt over the unit carefully with at least two persons Service Space Ens...

Page 35: ...e remote control to its original state Step 3 Before connecting any pipes level the indoor unit with supplied adjustable levelling feet CAUTION Attaching the hose for the condensate drain to the sewer hose can cause corrosion of the appliance s internal components The drain pipe must have an odor trap Connecting Condensate drainage Step 1 Before the indoor unit s final positioning attach the flexi...

Page 36: ...refrigerant charge allowed for room Amax kg Determine The adjacent room B area B Room m2 Calculate based on Table 2 The total minimum floor area required for the total refrigerant charge mc Amin m2 Calculate based on Table 3 The minimum opening area for natural ventilation between room A and room B according to the value of mc and A Room Amin m2 The unit can be installed in room A when the followi...

Page 37: ...ore than 50 of AVmin Opening must be located 1500mm above the floor The height of the openings between the wall and floor which connect the rooms are not less than 20 mm Ventilation openings to the outside are NOT considered suitable ventilation openings the user can block them when it is cold Table 1 Maximum refrigerant charge allowed in a room Ventilation requirements A room m2 Maximum refrigera...

Page 38: ...38 12 05 2 40 12 26 2 42 12 46 2 44 12 67 2 46 12 88 2 48 13 09 2 50 13 30 2 52 13 51 2 54 13 73 2 56 13 94 2 58 14 16 2 60 14 38 2 62 14 61 2 64 14 83 2 66 15 05 2 68 15 28 2 70 15 51 NOTE The value of Release height h0 in this unit is considered 1200 mm to comply to IEC 60335 2 40 2013 A1 2016 Clause GG2 For intermediate mc values the value that corresponds to the higher mc value from the table ...

Page 39: ... 9 202 170 139 107 76 45 13 10 171 139 107 74 42 10 11 140 107 74 41 8 12 109 76 42 8 13 78 44 9 14 47 12 15 16 NOTE The value of Release height h0 in this unit is considered 1200 mm to comply to IEC 60335 2 40 2013 A1 2016 Clause GG2 For intermediate Aroom values the value that corresponds to the lower Aroom value from the table is considered If Aroom 10 5 m2 consider the value that corresponds t...

Page 40: ...ed to the outdoor unit should be complied with IEC 60245 or HD 22 4 S4 This equipment shall be provided with a cord set complying with the national regulation The connecting cable connected to the outdoor unit should 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 resettin...

Page 41: ...e thickness do as shown in the figure below Round pressure terminal Power wire Precautions when laying power wiring WARNING Make sure that the screws of the terminal are free from looseness For wiring use the designated power wire and connect firmly then secure to prevent outside pressure being exerted on the terminal block Use an appropriate screwdriver for tightening the terminal screws A screwd...

Page 42: ...nts produced by equipment connected to public low voltage systems with input current 16 A of 75 A per phase Circuit Breaker Speciﬁcation Perform the electrical wiring work according to the electrical wiring connection All wiring must comply with local requirements Select a power source that is capable of supplying the current required by the air conditioner Use a recognized ELCB Earth Leakage Circ...

Page 43: ...r than 10 m additional charge of the refrigerant is required according to the table Example If R32 9 kW model is installed at a distance of 50 m 1 200 g of refrigerant should be added according to following formula 50 10 x 30 g 1 200 g 2 Rated capacity of the product is based on standard length and maximum allowable length is based on the product reliability in the operation 3 Improper refrigerant...

Page 44: ...ing work using dedicated flaring tool 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 the following...

Page 45: ...model Step 1 Pre tightening Align the center of the pipes and sufficiently tighten the flare nut by hand Step 2 Tightening Tighten the flare nut with a wrench Tightening torque is as following Indoor unit tubing Flare nut Pipings Torque wrench Indoor unit tubing Open end wrench fixed Connection pipe Flare nut Outside diameter mm inch Torque kgf m 6 35 1 4 1 8 2 5 9 52 3 8 3 4 4 2 12 7 1 2 5 5 6 6 ...

Page 46: ...ping Wiring Procedure for Power Cable and Connecting Cable Step 1 Disassemble the side panel from the outdoor unit by loosing screws Step 2 Connect Power cable to Main Power Terminal and Connecting cable to Control Terminal respectively See below figure for detailed information When connecting earth cable the diameter of cable should be bigger than 1 6 mm2 to secure safety The earth cable is conne...

Page 47: ... Check the specification of power source such as phase voltage frequency etc Confirm that electrical capacity is sufficient Be sure that the starting voltage is maintained at more than 90 percent of the rated voltage marked on the name plate Confirm that the cable thickness is as specified in the power sources specification Particularly note the relation between cable length and thickness Provide ...

Page 48: ...h thermal insulation material and secure it with two kinds of vinyl tape Tape the refrigerant pipe power cable and connecting cable from down to up Secure the taped pipe is along with the exterior wall Form a trap to prevent water entering the room and electrical part Fix the taped pipe onto the wall by saddle or equivalent Trap is required to prevent water from entering into electrical parts mini...

Page 49: ...essure gauges and dry nitrogen gas cylinder to this service port with charge hoses CAUTION Be sure to use a manifold valve for leakage test If it is not available use a stop valve for this purpose The Hi knob of the manifold valve must always be kept close Pressurize the system to no more than 3 0 MPa with dry nitrogen gas and close the cylinder valve when the gauge reading reached 3 0 MPa Next te...

Page 50: ...the valve stem of gas side valve counter clockwise to fully open the valve Loosen the charge hose connected to the gas side service port slightly to release the pressure then remove the hose Replace the flare nut and its bonnet on the gas side service port and fasten the flare nut securely with an adjustable wrench This process is very important to prevent leakage from the system Replace the valve...

Page 51: ...ermitted Cable lead throughs 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 animal For example mice s wire attacking or frog s entering into the indoor...

Page 52: ...C Supporting type Heating only or Heating Cooling THERMOSTAT Default 230 V AC OUTDOOR UNIT L N L1 L2 1 L 3 2 N 9 10 11 12 13 15 16 14 Power supply for Indoor unit and communication Connecting external electric power supply for internal backup heater POWER SUPPLY L3 1Ø 220 240V 50Hz 2kW 16A L3 L2 1Ø 220 240V 50Hz 4kW 20A L3 L2 L1 3Ø 380 415V 50Hz 6kW 16A L1 L2 L3 N Terminal Block 2 Terminal Block 3...

Page 53: ...SH Connecting with Outdoor Unit CAUTION You should separate the communication wiring in case of communication wiring length is over 40 M L N Separation Power Supply Communication Wiring Shield cable 1 L 2 N 3 1 2 3 Terminal block at outdoor unit ...

Page 54: ...ied persons in order to avoid a hazard 20 mm GN YL 1 Phase Ø NORMAL CROSS SECTIONAL AREA 4 mm2 For 2kW 4kW For 6kW For 4kW Additional bridge Wire from L3 to L2 NORMAL CROSS SECTIONAL AREA 4 mm2 3 Phase Ø 20 mm GN YL N L G L1 L2 L3 N G N L G L1 L2 L3 N G T S L N G L1 L2 L3 N G External power supply 1Ø Electric Heater 2kW 3Ø Electric Heater 6kW 1Ø Electric Heater 4kW Terminal Block 3 at Indoor unit ...

Page 55: ...ollowings should be considered While inserting or putting water pipes close the end of the pipe with pipe cap to avoid dust entering When cutting or welding the pipe always be careful 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 Th...

Page 56: ...eep 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 cold water enters to the radiator dew generation on the surface of the radiator can be occurred Drainage treatment...

Page 57: ...To prevent water leakage install a drain through the floor below the level of the device The following picture shows the correct hydraulic connection of the device Water Piping Connect the hot water pipe the cold water supply and optionally the re circulation pipe as shown below If a re circulation pipe is not used close it with a cap Use a counter wrench to tighten the connections firmly 1 2 3 Ho...

Page 58: ...We recommend placing galvanic isolators made of red brass the length of at least twice the diameter of the pipe on the connections The DHW tank is intended for storing drinking water this is why the water has to be in accordance with the national regulations on drinking water in force otherwise damage to the device and a termination of the warranty can arise The unit is equipped with a safety valv...

Page 59: ...pressure reducing valve on the DHW supply to the building The pressure in the expansion vessel must be set according to the following formula p0 prv 0 2 bar p0 pressure in the expansion vessel prv setting of the pressure reducing valve NOTE 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 stand...

Page 60: ...m water flow rate Water Piping Assemble the supplied ball valves before connecting the Inlet and Outlet pipes Use a counter wrench to tighten the connections firmly Water Volume and Expansion Vessel Pressure The expansion vessel must be dimensioned in accordance with standard EN 12828 The integrated vessel has a volume of 12 liters If the expansion volume is not enough and additional vessel must b...

Page 61: ...ting system from expansion vessel to the highest heating body in the building If the calculation shows a pressure lower than 1 bar set the pressure of the expansion vessel to 1 bar Set the amount of pressure in the expansion vessel by releasing or adding dry nitrogen Record the new value of the pressure p0 on the data label Open the closing valve of the expansion vessel carefully open the vents an...

Page 62: ...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 are satisfactory then go to step 7 p...

Page 63: ...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 Above data is valid at Rated flow rate with delta temperature of 5 K Capacity kW Rated flow rate LPM Pump Head m at rated ...

Page 64: ...64 HYDRAULIC CONNECTION FOR INDOOR UNIT ENGLISH Performance curve Indoor HN0916T NB1 Pump model heating WILO Para KU 25 130 8 75 12 iPWM1 ...

Page 65: ...FOR INDOOR UNIT ENGLISH WARNING Selecting a water flowrate outside the curves can cause damage to or malfunction of the unit ZRS 6 3 Ku Water flow m3 h Head m 0 0 0 5 1 1 5 2 2 5 3 1 2 3 4 5 6 Pump model DHW WILO ZRS 15 6 3 KU ...

Page 66: ...system it is necessary to degrease them the interior of the pipe before connecting them to the heat pump The water in the heating system has to be in accordance with the requirements of standard VDI 2035 and must not contain microorganisms The heating system has to be filled with soft water which has been added anti corrosion and antibacterial agents for preventing corrosion Before filling the hea...

Page 67: ...ntrol temperature of Mixing circuit PRSTAT5K10 Extension Wire To connect remote controller with Indoor PCB for communication PZCWRC1 Cover Plate To relocate remote controller from indoor unit PDC HK10 Remote air sensor To control the unit using Room air as reference temperature PQRSTA0 Extension cable To extend Wi Fi modem cable PWYREW000 RS3 remote controller To control unit with 2 remote control...

Page 68: ...nstallation with wet hands Domestic hot water expansion vessel integrated into the unit How to install DHW expansion vessel Parts of DHW expansion vessel Step 1 The vessel is delivered with a connection pipe Screw the pipe to the dedicated port inside of the unit DHW expansion vessel Connection pipe The port for DHW expansion vessel The Holder for DHW expansion vessel Domestic hot water outlet pip...

Page 69: ... Buffer tank integrated into the unit How to install Buffer tank Parts of Buffer tank Step 1 Attach the buffer tank at the backside of the indoor unit and secure the provided holder with one screw on each side Insulated buffer tank Outlet pipe assembly Inlet pipe assembly Buffer tank holder Double nipple 1 Connection part ...

Page 70: ...NGLISH Step 2 Use the Shut off valve with strainer supplied with the indoor unit and mount it to the inlet pipe assembly Then screw the double nipple to the bottom part of the valve Then attach the assembly as shown in the picture ...

Page 71: ...ect the outlet pipe assembly and the Shut off valve provided with the indoor unit as shown below Step 4 Finally assemble the Return pipe from the Heating system at the free connector Shut off valve with strainer Shut off valve Outlet pipe Inlet pipe ...

Page 72: ...operation is controlled by the thermostat Installation condition CAUTION USE 220 240 V Thermostat Some electro mechanical type thermostat has internal delay time to protect compressor In that case mode change can takes time more than 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...

Page 73: ...nal according to user s heating 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 CAUTION Choosing heating cooling thermostat Heating cooling thermostat must have Mode Selection feature to distinguish operation mode Heating cooling thermostat must be able to assi...

Page 74: ...l from PCB to thermostat 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 o...

Page 75: ...x Kit The mix kit must be installed in the main zone Circuit 2 zone where the water temperature is lowest when heating Circuit 1 The other zone Install Guide Mixing circuit Heating h To use a floor combination during cooling operation the flow through the floor of the flow must be blocked by the 2 way valve Install Guide Mixing circuit Cooling Circuit 2 Circuit 1 Floor 35 C Convector FCU 45 C Radi...

Page 76: ...ve L2 Live signal for Normal Open type from PCB to mixing valve N1 Neutral signal from PCB to mixing valve Closed NOT Mixed Step3 Insert the temperature sensor to CN_MIX_OUT Brown of the main PCB as shown below The sensor should be mounted correctly to discharge pipe of mix pump as shown below CN_MIX_OUT Indoor PCB Floor heating loop Mix 2nd circuit temp sensor Mix Kit Room B Circuit 1 High Temp R...

Page 77: ... and Distinguish terminal block in Indoor PCB Step 3 Connect Power cable to terminal block TB_BOILER fully 3rd party boiler Voltage free TB_BOILER Indoor PCB Thermistor for 2nd circuit Sensor Sensor Holder Sensor Connector Follow below procedures step 1 step 4 Step 1 Install sensor connector to discharge pipe of mix pump Welding must be performed to connect the sensor connector to the pipe Step 2 ...

Page 78: ... How to wire 3rd party controller Follow below procedures step 1 step 4 1 L 2 N A B 17 18 CN_COM 3rd PARTY CONTROOLER or METER INTERFACE LG CN_COM Indoor PCB 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 Check if the harness White is inserted fully to the indoor unit PCB CN_COM Step 4 Connect the 3rd party ...

Page 79: ...pump to terminal block 4 17 18 Meter Interface This product can be used by connecting the meter interface module supplied in the field The meter interface module can communicate with the wired remote controller The meter interface module lets you know the amount of power generated by the product For detailed installation method refer to meter interface Installation Manual How to wire Meter Interfa...

Page 80: ...er module supplied in the field The 2 zone controller module can communicate with the wired remote controller The 2 zone controller module lets you enable the individual control of each zone For detailed installation method refer to 2 zone controller installation manual How to wire 2 Zone controller Parts of 2 zone controller CN_COM A B 17 18 17 Black 18 White CN_COM 2 Zone controller Indoor PCB ڼ...

Page 81: ...for central controller Fix the PI485 PCB as shown in below images For detailed installation method refer to PI485 Installation Manual Product Heating Capacity 5 kW 7 kW 9 kW U4 Chassis For detailed installation instructions refer to the manual included in the accessories Item Purpose Model ACP 5 To control AWHP using LG central controller PACEZA000 AC Smart 5 PACS5A000 ACP Ez Touch PACP5A000 Item ...

Page 82: ...detailed installation method refer to Modbus gateway Installation Manual SW1 RST_2 12VDC CH1 DI1 DI2 DI3 DI4 GND GND A B RS485 CH2 DO1 DO2 A B RS485 DIGITAL OUPUT DIGITAL INPUT ON SW_01M LD01M LD02M 1 2 3 4 1 2 3 4 SW_02M ON LD04M LD03M LD06M LD05M BMS 3rd party controller PI485 CN_CENTRAL CN_OUT Outdoor unit PCB Modbus gateway ...

Page 83: ...ures step 1 step 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 ins...

Page 84: ...t 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 85: ...eration on off 2 Dry contact simple contact 3 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 Installation example 2 SW Single pole switch Select a part with contacts for extremely low amperage DC 5 V 12 V is used at the contact point Switch load is approximately 0 5 1 ...

Page 86: ...wire does not matter if you change the color of the wire because of nonpolar Remote Temperature Sensor Remote temperature sensor can be installed any place a user wants to detect the temperature The function is not available for some products Installation condition Role and constraint while installation of remote air temperature sensor is very similar to that of thermostat Distance between the uni...

Page 87: ... place where the cooling heating devices do not affect the remote sensor Choose the place where the outlet of the cooling fan do not affect the remote sensor Choose the place where the remote sensor isn t affected when door is open Fixing screws 60 mm BK WH Sensor CN_ROOM Indoor PCB fig 1 fig 2 NOTE For more information about installing Remote Temperature Sensor Please refer installation manual pr...

Page 88: ...rnal pump is installed with buffer tank to retain sufficient capacity How to wire external pump Follow below procedures step 1 step 3 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 signal cable to terminal block TB_EXT_PUMP fully External pump Voltage free TB_EXT_PUMP Indoor PCB ...

Page 89: ...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 90: ...ration SG1 SG2 Heating Domestic How Water SGN Open Open Normal Operation Normal Price Maintain operation status Maintain operation status SG1 Close Open Operation Off Utility lock High Price Forced internal operation off Forced internal operation off SG2 Open Close Operation On Recommend Low Price Target temperature change automatically depend on SG Mode value in installer setting Step 0 maintain ...

Page 91: ...g Yes De energize Valve opening Energize Valve closing 230 V AC NO 2 wire 1 Supported Operating Mode Power Type 2way valve NO NC N 2WAY VALVE A L1 L2 N 6 7 8 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 92: ...Piping and Water Circuit Connection 4 Transmission line and power source wiring Check if Transmission line and power source wiring are separated from each other If it is not electronic noise may occur from the power source 5 The power cord specifications Check the power cord specifications Refer to Chapter 4 Connecting Cables 7 2Way Valve Water should not flow into under floor loop in cooling mode...

Page 93: ...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 94: ...llation information 2 3 6 7 2 3 6 7 2 3 6 7 2 3 6 7 Unit Outdoor unit DHW tank is installed Reserved Cycle 4 4 Heating Only Heating Cooling Reserved 5 Reserved 5 Reserved Selecting electric heater capacity Electric heater is not used Reserved Electric heater is used Thermostat installation information 8 8 Thermostat is NOT installed Thermostat is installed 1 2 3 4 5 6 7 8 ...

Page 95: ...Option Switch 3 Description Setting Default Description Description Setting Setting Default Default Remote Room air sensor Accessory Antifreeze agent Reserved Reserved 1 1 Remote sensor is not installed Remote sensor is installed 2 2 Antifreeze agent is not used Antifreeze agent is used 3 3 4 4 Reserved Not Use 1 2 3 4 Possibility to allow colder water temperature by setting Bridge at CN_FLOW2 on ...

Page 96: ... Mode Peak Control To limit maximum current Power saving 3 2 DIP Switch Information h Only DIP switch no 2 and no 3 has a function Others have no function h When setting the limited low noise mode Mode can be exited to secure capacity after operating for a certain time NOTE Input current value can be limited by DIP Switch operation Capacity Mode Max Mode Running Current A Peak Control Mode Running...

Page 97: ... 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 trou...

Page 98: ...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 99: ...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 100: ...t 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 101: ...ed 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 102: ...SERVICE SETTING ENGLISH RMC version information 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 103: ...VICE 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 104: ...001 OK OK INSTALLER SETTING How to enter installer setting CAUTION The installer setting mode is the mode to set the remote controller s detail function If the installer setting mode is incorrectly set it may cause product failure user s injury or property damage It must be set by the installation specialist with the installation license and if it is installed or changed without installation licen...

Page 105: ...ater pump by itself Pump Capacity Function to change Main water pump Capacity Pump Prerun Overrun Set to reach the optimum flow rate by circulating the heating water with the water pump before heat exchange After the operation stop additional water pump is activated to circulate the heating water Password Reset It is the function to reset 0000 the password when you forgot the password set in the r...

Page 106: ...oom Cooling Function Description DHW set temp Setting DHW set temperature Tank disinfection setting 1 Setting start maintain time for disinfection Tank disinfection setting 2 Setting disinfection temperature Tank setting1 Setting minimum and maximum temperature using heat pump cycle for DHW heating Tank setting2 Setting temperature hysteresis DHW time setting Determine follow time duration operati...

Page 107: ...xternally linked to the product Modbus address setting function is available from indoor unit 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 3rd Party Boiler Configuration to control 3rd party boiler Meter Interface When installing the meter...

Page 108: ...ariable heating water Pump setting in heating Heater on temperature Screed drying Installer TH on off Variable heating air 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 100 101 102 103 Configuration Select Temperature Sensor Use Heating Tank Heater Use External Pump RMC master slave LG Therma V Configuration Mixing Circuit General Forced operation Pump Capacity Password R...

Page 109: ... Cooling Dry Contact Mode Central Control Address CN_CC Modbus Address CN_EXT 3rd Party Boiler Meter Interface Zone Smart Grid SG 148 149 150 151 153 154 155 156 157 Connectivity DHW set temp Tank disinfection setting 1 Tank disinfection setting 2 Tank setting2 DHW time setting Tank setting1 140 141 141 142 143 145 Domestic Hot Water Pump test run Frost Protection Temp 146 147 Service Seasonal aut...

Page 110: ...110 INSTALLER SETTING ENGLISH Pump operation time IDU operation time Current Flow Rate Data logging 159 160 161 162 Information ...

Page 111: ...eaving water temperature is determined In the installer setting list Select Temperature Sensor category and press OK button to move to the detail screen OK OK Type Value Water Default Air Remote Control Indoor Unit Air Water Remote Control Indoor Unit NOTE Air temperature as setting temperature is ONLY available when Remote Air Sensor Connection is enabled and Remote Air Sensor Connection is set a...

Page 112: ...unction to determine the delay time of the electric heater for water tank In the installer setting list Select Configuration category and press OK button to move to the detail screen Function Unit Default Value Delay time minute 30 10 20 30 40 50 60 90 120 1440 OK OK ...

Page 113: ... Activating this function It allows 2 zones Circuit1 Circuit2 temperature to be controlled separately In case of heating the temperature of Circuit2 can not be set higher than Circuit1 temperature In case of cooling the temperature of Circuit2 can not be set lower than Circuit1 temperature Setting range Mixing circuit setting Use Not Use Value Closing Time 60 999 s Default 240 Hysteresis Thermal O...

Page 114: ...GLISH Use External Pump This function can be set to control the external water pump In the installer setting list select Use External Pump category and press OK button to move to the detail screen Value Not use Default Use OK ...

Page 115: ...function can be select Master Slave on remote controller to use 2 Remote Control environment In the Installer setting list and select RMC master slave setting category and press left right button to following setting values Value Master Default Slave OK ...

Page 116: ... This function can be set to save the installation settings of the product for use in LG Therma V Configurator through SD Card LG heating configurator In the Installer setting list and select LG Therma V Configuration setting category and press OK button to move to the detail screen OK OK ...

Page 117: ...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 Type Use Default Not use Oper Cycle 20 180 hours Default 20 hours Oper Time 1 10 min Default 10 min OK OK ...

Page 118: ... function to enable installer to control the main water pump capacity application model In the installer setting list select Pump Capacity category and press OK button to move to the detail screen Value Description 100 Default 10 100 Change unit 5 OK OK ...

Page 119: ...ure sufficient flow before the compressor 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 Value Default Setting Range Prerun 1 min 1 10 min Overrun 1 min 1 10 min OK OK ...

Page 120: ...rd set in the remote controller In the installer setting list select the password reset setting category and press OK button to move to the detail screen When you press reset button a popup screen appears and when you press check button password reset starts and the user password is changed to 0000 OK OK ...

Page 121: ...ing 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 OK ...

Page 122: ... to move to the detail screen CAUTION It is possible to control the unit based on room air temperature by using either remote air temperature sensor or wired remote controller RS3 Remote room air sensor is an accessory PQRSTA0 and sold separately Dip switch setting should be set properly in order to control the unit based on room air temperature Value Default Range Max 30 30 24 Min 16 22 16 Upper ...

Page 123: ...ure In the installer setting list select Water heating set temp category and press OK button to move to the detail screen NOTE When the E heater is not used the minimum temperature of the water temperature can be set from 34 C to 20 C and default value is 20 C Value Default Range Max 65 65 35 Min 15 34 15 Upper lower limit default value is in C OK OK ...

Page 124: ...ating air temperature Thermal On Off temperature according to the field environment in order to offer optimized heating operation You can set the following setting values using left right button Value Description TH On TH Off Type0 Default 0 5 C 1 5 C Type1 1 C 2 C Type2 2 C 3 C Type3 3 C 4 C OK ...

Page 125: ...heating water temperature Thermal On Off temperature according to the field environment in order to offer optimized heating operation You can set the following setting values using left right button Value Description TH On TH Off Type0 Default 2 C 2 C Type1 3 C 3 C Type2 4 C 4 C Type3 1 C 1 C OK ...

Page 126: ...est time Installer setting function to set water pump on off interval option during thermo off condition in heating mode In the installer setting list select Pump setting in heating category and press OK button to move to the detail screen Type On Off Time setting Default 1 60 min Default 2 min 1 60 min Default 1 min Operation continue OK OK ...

Page 127: ...c conditions it is necessary to change the temperature condition in which electric heater turns on off In the installer setting list Heater on temperature category and press OK button to move to the detail screen Upper lower limit default value is in C Default Range 5 18 25 OK OK ...

Page 128: ...ature display The step in progress at the bottom of the display is displayed Setting value Start up step 1 11 Maximum temperature 35 C 55 C Default 55 C Step 8 Holding time 1 days 30 days Default 7 days Function operation It is performed by the following procedure from the selected starting step After all steps are completed turn off the cement curing operation If the upper limit setting value of ...

Page 129: ...occurs When error is cleared restart cement Screed drying However if the wired remote control is reset to the error occurrence state it is compensated in the unit of one day Upon releasing after an error Screed drying operation may take up to 1 minute of waiting time after boot up The Screed drying operation status is judged as 1 minute cycle During Screed drying operation installer function Scree...

Page 130: ...ing 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 OK ...

Page 131: ...n to move to the detail screen Upper lower limit default value is in C Value Default Range Max 30 30 24 Min 16 22 16 NOTE It is possible to control the unit based on room air temperature by using either remote air temperature sensor or wired remote controller RS3 Remote room air sensor is an accessory PQRSTA0 and sold separately Dip switch setting should be set properly in order to control the uni...

Page 132: ...eration 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 flow to the radiator If cold water enters to the radiator dew generation on the surface of the radia...

Page 133: ...ling mode This function 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 Function Value Default Setting Rang cooling water temperature Water supply off temperature 16 25 16 FCU Use not use use Use Not Use OK OK ...

Page 134: ...caused by cold water in the underfloor coil Example If Stop temp is set as 20 and FCU is set as Not use and actually FCU is installed in the water loop then the Stop temp is used and the unit stops operation in cooling mode when the leaving water temperature is below 20 C As a result the unit may not offer enough cooling since the cold water with desired temperature doesn t flow into the FCU CAUTI...

Page 135: ... C 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 order to offer optimized heating operation You can set the following setting values using left right button OK ...

Page 136: ...oling water temperature Thermal On Off temperature according to the field environment in order to offer optimized heating operation You can set the following setting values using left right button Value Description TH On TH Off Type0 Default 0 5 C 0 5 C Type1 1 C 1 C Type2 2 C 2 C Type3 3 C 3 C OK ...

Page 137: ...est time Installer setting function to set water pump on off interval option during thermo off condition in cooling mode In the installer setting list select Pump setting in cooling category and press OK button to move to the detail screen Type On Off Time setting Default 1 60 min Default 2 min 1 60 min Default 1 min Operation continue OK OK ...

Page 138: ... Out2 Out3 5 Outdoor3 Cool Out3 Cooling lower ambient temp 10 43 C 30 C Out3 Out2 5 Out3 Out4 1 Outdoor4 Cool Out4 Cooling higher ambient temp 40 C Out4 Out3 1 Water1 Heat LW1 Heating higher water temp 15 57 C 35 C LW1 LW2 Water 2 Heat LW2 Heating lower water temp 28 C LW1 LW2 Water3 Cool LW3 Cooling higher water temp 5 25 C 20 C LW3 LW4 Water4 Cool LW4 Cooling lower water temp 16 C LW3 LW4 Air 1 ...

Page 139: ...4 Set point 5 Set point 6 Set point 7 Set point 8 Outdoor air temperature Temperature profile of weather dependent operation Heating Cooling o Setting range Celsius Seasonal Auto Driving mode Heating Cooling If heating mode is selected heating cooling or cooling can not be selected Depending on the air outflow control selection value the water air related setting value is displayed on the screen I...

Page 140: ...emperature 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 Value Default Range Max 55 80 50 Min 40 40 30 Upper lower limit default value is in C OK OK ...

Page 141: ... date when the disinfection mode is running Start time Determining the time when the disinfection mode is running Max temp Target temperature of disinfection mode Duration time Duration of disinfection mode Time Start time Max temp Duration time Water temperature Inside DHW Temperature profile of Disinfection operation NOTE DHW heating should be enable If Disinfection active is set as Not use that...

Page 142: ...SETTING ENGLISH Tank setting 1 In the installer setting list select tank setting 1 category and press OK button to move to the detail screen Value Default Range Min temp 5 C 30 1 C Comp Limit Temp 55 C 58 40 C OK OK ...

Page 143: ...143 INSTALLER SETTING ENGLISH Tank setting 2 In the installer setting list select tank setting 2 category and press OK button to move to the detail screen OK OK Value Default Range Hysteresis 3 C 4 2 C ...

Page 144: ... 70 C Example If Heating priority is set as DHW that means heating priority is on DHW heating DHW is heated by AWHP compressor cycle and electric heater In this case the under floor can not be heated while DHW heating On the other hand if the Heating priority is set as Floor heating that means heating priority is on under floor heating DHW tank is ONLY heated by electric heater In this case the un...

Page 145: ...time gap between DHW tank heating cycle Electric heater delay time This time duration defines how long time electric heater will not be turned on in DHW heating operation The electric heater delay time setting can be set in the Use Heating Tank Heater cartegory Example of timing chart DHW tank heating is enabled DHW tank heater is enabled DHW tank heating operation DHW tank heater operation 1 acti...

Page 146: ...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 OK ...

Page 147: ...events frostbite from happening In the range of 25 to 5 degree celsius Change setting values using left right button 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 OK Indoor PCB OFF ON 1 2 3 4 SW3 CN_FLOW2 Antifreeze short Pin 1 2 3 4 1 2 3 4 1 2 3 4 5 6 7 8 ...

Page 148: ...alues using left right button 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 Value Auto Default manual OK ...

Page 149: ...ol address of the unit In the installer setting list select Central Control Address category and press OK button to move to the detail screen NOTE Enter address code as hexadecimal value Front Central Control Gr No Back side Central control indoor the number NOTE This function is not available for monobloc OK OK ...

Page 150: ... the device connected to the unit to recognize and control the external contact point Value Description D C Automatic Default 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 OK ...

Page 151: ...Use Step 0 Step 1 Step 2 Smart Grid SG It is the function to enable disable the Smart Grid function and to set the reference value at SG2 status In the installer setting list select Smart Grid SG category and press OK button to move to the detail screen OK OK ...

Page 152: ...ncreased depending on the parameter Mode SG Mode SG set temperature α depending on the below parameter Step 0 DHW 5 C Step 1 H P 2 C DHW 5 C Step 2 H P 5 C DHW 7 C 1 1 Switch on command The command activates the compressor Optionally electrical booster heaters can be activated to utilize electricity surpluses Power Supply Blockage Smart Grid The heat pump operated automatically by the power supply...

Page 153: ...s device that is externally linked to the product Modbus address setting function is available from indoor unit In the installer setting list select Modbus Address and press OK button to move to the detail screen NOTE To use this function switch No 1 of option switch 1 must be turned ON OK OK ...

Page 154: ...ernal 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 Default Simple Operation Simple Dry Contact Single emergency stop OK OK ...

Page 155: ...ing turn off the indoor unit and operate the external boiler External boiler OFF condition If External air temperature external boiler operation temperature value installer setting Hysteresis installer setting turn off external boiler operation and operate indoor unit If the mode of this function is set to Auto you can set temperature of the boiler and hysteresis respectively OK This function is t...

Page 156: ...a to create data for energy monitoring and energy warning alarm pop ups This function can be activated in installer mode There are 2 options modbus address and unit in this function Activating the modbus address option you choose one address B0 or B1 or don t use Then you set the port and specification in range of 0000 0 9999 9 pulse kW as shown in the figure below OK ...

Page 157: ...essary for control such as the number of use and address setting Function Value Range Step1 Number of Zones Number of Modules Not use 1 4 Number of Zones Up to two zones can be used for one module Step2 Address Address for each module C0 C3 It can be set as many as the number of modules Step3 Control device selection Type selection for zone Sensor Thermostat Step4 TH on off variable Heat Type0 Typ...

Page 158: ...ck if each valve works properly after installing setting the zone module Value1 Value2 Description Start Stop Open Close When selecting zone the status is OPEN NOTE If the test is not stopped after the start of valve test the test is automatically terminated after 60 minutes ...

Page 159: ...ISH Pump operation time It is a function to show the main water pump s operation time for check mechanical life In the Installer setting list and select Information category and press OK button to move to the detail screen OK OK ...

Page 160: ...GLISH IDU operation time It is a function to show the Indoor Unit s operation time for check mechanical life In the Installer setting list and select Information category and press OK button to move to the detail screen OK OK ...

Page 161: ...unction 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 OK ...

Page 162: ...detail screen 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 operation OK OK ...

Page 163: ...e tightened 6 Water Charged water pressure After water charging the pressure gauge in front of the unit should indicate 2 0 2 5 bar Do not exceed 3 0 bar 7 Air purge During water charging air should be taken out through the hole of the air purge If water does not splash out when the tip at the top of the hole is pressed then air purging is not completed yet If well purged the water will splash out...

Page 164: ...gerant accumulation in the internal compressor If the insulation resistance is less than 2 0 MΩ turn on the main power supply 3 When the power is applied for the first time operate the product after preheating for 2 hours To protect the unit by increasing the oil temperature of the compressor CAUTION Turn off the power before proceeding maintenance No Category Item Check Point 1 Water Water pressu...

Page 165: ... 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 the work room ...

Page 166: ...sure gauge Open Close SVC Port Manifold gauge When selecting a vacuum you should select one which is capable of achieving 0 2 Torr of ultimate vacuum Degree of vacuum is expressed in Torr micron mmHg and Pascal Pa The units correlate as follows Unit Standard atmospheric pressure Perfect vacuum Gauge Pressure Pa 0 1 033 Absolute Pressure Pa 1 033 0 Torr Torr 760 0 Micron Micron 760 000 0 mmHg mmHg ...

Page 167: ...der SVC Port Manifold gauge 2 Charge of refrigerant You should be charged after vacuum You can see amount of refrigerant at quality label Please to charge at cooling mode when there is not full charging Refrigerant cylinder Refrigerant cylinder ...

Page 168: ...3 Location of SVC port 1Ø 5 kW 7 kW 9 kW SVC Port COMMISSIONING 168 ENGLISH ...

Page 169: ...house gas covered in the Kyoto protocol You have to prevent leakage of the gas into the atmosphere During a maintenance procedure or removal of the device make sure that the gas is removed in accordance with the current regulations for the use of substances harmful to the ozone and fluorinated greenhouse gases 2 Draining the unit Heating system Use the drain valve below to drain the Heating system...

Page 170: ...he power supply of the heat pump before draining the unit Turn off the unit Close the Cold water supply line Connect a hose to the drain cock and lead it into a sink Open the drain valve Open the tap at the highest level of the DHW system If necessary dismount the DHW plate heat exchanger and push out the water by using air pressure The drain valve ...

Page 171: ...it does not operated 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...

Page 172: ... by foreign material 3 Bad communication between remote controller and unit Incorrect connection between sensor and PCB Heater PCB Heater fault Sensor fault Wire connection between 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 tr...

Page 173: ...eck CN_ L CN_ N Connection Check Input Voltage Check PCB DC Link voltage sensor parts 26 DC Compressor Position Compressor Starting fail error Check the connection of comp wire U V W Malfunction of compressor Check the component of IPM detection parts 27 AC Input Instant over Current Error PCB Inverter input current is over 100 A peak for 2 us 1 Overload operation Pipe clogging Covering EEV defect...

Page 174: ...outdoor PCB Inverter 45 Problem in Cond middle pipe temperature sensor Open Short Soldered poorly Internal circuit error 1 Bad connection of thermistor connector 2 Defect of thermistor connector Open Short 3 Defect of outdoor PCB Inverter 46 Problem in suction pipe temperature sensor Open Short Soldered poorly Internal circuit error 1 Bad connection of thermistor connector 2 Defect of thermistor c...

Page 175: ...r fan is driving rightly 65 Problem in Heatsink Temperature sensor Abnormal value of sensor Open Short Check if there is defect of thermistor connector Open Short Check defect of outdoor PCB Inverter 67 Fan lock error Fan RPM is less than 10 for 5 seconds from start up operation Fan RPM is less than 40 in operation except for start up operation 1 Fan motor damage 2 Assembly condition abnormal 3 Ja...

Page 176: ...ackup heater to work using the Emergency mode refer to the Owner s manual for more detail Determine if you can feel by hand the difference between the supply line and the return line The electrical heater works if the supply line is warmer In case the electrical heater does not work because of one of the aforementioned reasons the Safety thermostat has to be reset manually after the problem is res...

Page 177: ...free access website https www lg com global support cedoc cedoc Representative LG Electronics Inc EU Representative LG Electronics European Shared Service Center B V Krijgsman 1 1186 DM Amstelveen The Netherlands Manufacturer KRONOTERM d o o Tranava 5E 3303 Gomilsko Brezovica Slovenia ...

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LG HN Series, Installation Manual, Page: 133 / 177

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Summary of Contents for HN Series

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