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LG HM031M Engineering Product Data Book

LG HM031M Engineering Product Data Book

Air-to-water heat pump

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Air-to-Water Heat Pump
(50Hz, R410A)
5BPM0-01G (Replace: 5BPM0-01F)
P/No. : MFL66101106

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Summary of Contents for LG HM031M

  • Page 1 Air-to-Water Heat Pump (50Hz, R410A) 5BPM0-01G (Replace: 5BPM0-01F) P/No. : MFL66101106...
  • Page 2 CONTENTS Part 1. Monobloc Unit Part 2. Design and installation Part 3. Accessories...
  • Page 3 Part 1. Monobloc Unit 1. Features 2. Nomenclature 3. List of functions 4. Specification 5. Drawing 6. Wiring Diagram 7. Piping Diagram 8. Operation Range 9. Performance Data 10. Electric characteristics 11. Noise Criteria 12. Controller 13. Water Pressure Drop...
  • Page 4 1. Features • High energy efficiency • Easy installation • Total solution for cooling, heating & hot water • No refrigerant piping work • Fit for renovation of old boiler system • Low operating cost and CO2 emission Air-to-Water Heat Pump...
  • Page 5 2. Nomenclature 2.1 Global Model Name Serial Number Function A: Heating and Cooling function H: Heating only model T : High temperature heating heat pump Product electric power rating 6 : 220-240V, 1Ø, 50Hz 8 : 380-415V, 3Ø, 50Hz Heating capacity (kW) Ex) 16 : 16kW Model Type W: DC Inverter Heat Pump...
  • Page 6: List Of Functions

    3. List of functions 3.1 Water side AHBW056A0 [HM051M] Category Functions AHBW036H0 [HM031M] AHBW076A0 [HM071M] AHBW096A0 [HM091M] Drain pump E.S.P. control Installation Electric heater High ceiling operation Auto Elevation Grille Hot start Reliability Self diagnosis Soft dry operation Auto changeover...
  • Page 7 3. List of functions AHBW126A0 [HM121M] AHBW128A0 [HM123M] Category Functions AHBW146A0 [HM141M] AHBW148A0 [HM143M] AHBW166A0 [HM161M] AHBW168A0 [HM163M] Drain pump E.S.P. control Installation Electric heater High ceiling operation Auto Elevation Grille Hot start Reliability Self diagnosis Soft dry operation Auto changeover Auto cleaning Auto operation(artificial intelligence) Auto Restart...
  • Page 8 3. List of functions 3.2 Refrigerant side AHBW056A0 [HM051M] Category Functions AHBW036H0 [HM031M] AHBW076A0 [HM071M] AHBW096A0 [HM091M] Defrost / Deicing High pressure switch Low pressure switch Reliability Phase protection Restart delay (3-minutes) Self diagnosis Soft start Test function Wiring Error Check...
  • Page 9 4. Specification Nominal Capacity and Nominal Input AHBW036H0 [HM031M] Cooling Capacity Heating 3.00 Cooling Power Input Heating 0.73 Cooling Heating 4.10 Technical Specifications AHBW036H0 [HM031M] For Fan Coil Unit Min. ~ Max. °C DB Cooling Operation For under floor Min. ~ Max.
  • Page 10 4. Specification Nominal Capacity and Nominal Input AHBW056A0 [HM051M] AHBW076A0 [HM071M] AHBW096A0 [HM091M] Cooling 4.99 7.00 9.00 Capacity Heating 4.99 7.00 9.00 Cooling 1.38 2.00 2.65 Power Input Heating 1.13 1.63 2.20 Cooling 3.61 3.50 3.40 Heating 4.40 4.30 4.10 Technical Specifications AHBW056A0 [HM051M] AHBW076A0 [HM071M]...
  • Page 11 4. Specification Nominal Capacity and Nominal Input AHBW126A0 [HM121M] AHBW146A0 [HM141M] AHBW166A0 [HM161M] Cooling 14.50 15.50 16.10 Capacity Heating 12.00 14.00 16.00 Cooling 4.00 4.69 5.07 Power Input Heating 2.67 3.15 3.81 Cooling 3.63 3.30 3.18 Heating 4.49 4.44 4.20 Technical Specifications AHBW126A0 [HM121M] AHBW146A0 [HM141M]...
  • Page 12 4. Specification Nominal Capacity and Nominal Input AHBW128A0 [HM123M] AHBW148A0 [HM143M] AHBW168A0 [HM163M] Cooling 14.50 15.50 16.10 Capacity Heating 12.00 14.00 16.00 Cooling 4.00 4.69 5.07 Power Input Heating 2.67 3.15 3.81 Cooling 3.63 3.30 3.18 Heating 4.49 4.44 4.20 Technical Specifications AHBW128A0 [HM123M] AHBW148A0 [HM143M]...
  • Page 13 5. Drawing 10 _ Air-to-Water Heat Pump...
  • Page 14 5. Drawing _ 11 Air-to-Water Heat Pump...
  • Page 15 5. Drawing 12 _ Air-to-Water Heat Pump...
  • Page 16 6. Wiring Diagram Models : AHBW036H0 [HM031M] _ 13 Air-to-Water Heat Pump...
  • Page 17 6. Wiring Diagram Models : AHBW056A0 [HM051M] / AHBW076A0 [HM071M] / AHBW096A0 [HM091M] 14 _ Air-to-Water Heat Pump...
  • Page 18 6. Wiring Diagram Models : AHBW126A0 [HM121M] / AHBW146A0 [HM141M] / AHBW166A0 [HM161M] _ 15 Air-to-Water Heat Pump...
  • Page 19 6. Wiring Diagram Models : AHBW128A0 [HM123M] / AHBW148A0 [HM143M] / AHBW168A0 [HM163M] 16 _ Air-to-Water Heat Pump...
  • Page 20: Piping Diagram

    7. Piping Diagram n Refrigerant side / Water side Models : AHBW036H0 [HM031M] : Heating <Refrigerant Side> <Water Side> Th7 (Air) 4 way Valve Pressure Sensor W/Pump_1 [Accumulator] [PHE] ❈ EXP/Tank, E/Heater, Strainer, F/Switch are <Inside of Monobloc Product> not provided in product...
  • Page 21 7. Piping Diagram n Field Installation Models : AHBW036H0 [HM031M] <LG Supply> <Field Installation> Remote Room Shower Temperature Sensor (accessory) B / HT W / TANK Th11 Solar panel 3WAY V / V_2 Th13 EXP / TANK Solar thermal component...
  • Page 22 7. Piping Diagram n Description Models : AHBW036H0 [HM031M] Category Symbol Meaning Remarks Connector - Discription is expressed based on Condenser temperature sensor CN_TH4 cooling mode. Outlet evaporator temperature CN_PIPE/OUT sensor - Discription is expressed based on cooling mode Inlet evaporator temperature...
  • Page 23 Thermostats, Interim heat - 3rd party accessory and Field THERMAL exchanger, Water pump,etc. (no connector) installation (sold separately) SYSTEM - To utilized hot water heated by SOLAR THERMAL SYSTEM, end-user must by LG AWHP Solar-Kit. 20 _ Air-to-Water Heat Pump...
  • Page 24 7. Piping Diagram Models : AHBW056A0 [HM051M] / AHBW076A0 [HM071M] / AHBW096A0 [HM091M] AHBW126A0 [HM121M] / AHBW146A0 [HM141M] / AHBW166A0 [HM161M] AHBW128A0 [HM123M] / AHBW148A0 [HM143M] / AHBW168A0 [HM163M] Category Symbol Meaning Remarks Connector - Discription is expressed based on Condenser temperature sensor CN_TH4 cooling mode.
  • Page 25 Water pump, etc. (no connector) installation (sold separately) - To utilized hot water heated by SYSTEM SOLAR THERMAL SYSTEM, end-user must by LG AWHP Solar-Kit. Water to be heated by unit and City Water (no connector) - Field installation...
  • Page 26: Operation Range

    8. Operation Range 8.1 Cooling Operation Fan Coil Unit Under Floor Leaving Water Temperature(°C) Leaving Water Temperature(°C) Continuous Operation Operative 8.2 Heating Operation 5kW-16kW Leaving Water Temperature(°C) Leaving Water Temperature(°C) Continuous Operation Continuous Operation Operative Operative Electric heater operation only Note : DHW heat pump operation : max 50℃...
  • Page 27: Performance Data

    9. Performance Data 9.1 Cooling Operation Model: AHBW056A0 [HM051M] LWT 7℃ LWT 10℃ LWT 13℃ LWT 15℃ LWT 18℃ LWT 20℃ LWT 22℃ Outdoor Temperature 20℃ DB 3.65 0.85 4.11 0.91 4.57 0.97 4.96 1.04 5.38 1.10 5.76 1.16 30℃ DB 4.15 1.32 4.35...
  • Page 28 9. Performance Data Model: AHBW126A0 [HM121M] LWT 7℃ LWT 10℃ LWT 13℃ LWT 15℃ LWT 18℃ LWT 20℃ LWT 22℃ Outdoor Temperature 20℃ DB 10.59 2.44 11.92 2.62 13.26 2.81 14.40 2.98 15.60 3.16 16.70 3.34 30℃ DB 12.02 3.80 12.61 3.85 13.64...
  • Page 29 9. Performance Data Model: AHBW128A0 [HM123M] LWT 7℃ LWT 10℃ LWT 13℃ LWT 15℃ LWT 18℃ LWT 20℃ LWT 22℃ Outdoor Temperature 20℃ DB 12.80 3.49 13.98 3.55 15.14 3.62 15.95 3.66 15.60 3.16 16.70 3.34 30℃ DB 12.33 4.00 13.39 4.06 14.45...
  • Page 30 9. Performance Data 9.2 Heating Operation Model: AHBW036H0 [HM031M] LWT 30℃ LWT 35℃ LWT 40℃ LWT 45℃ LWT 50℃ LWT 55℃ Outdoor Temperature -20℃ DB 2.02 1.15 1.86 1.13 1.63 1.17 1.56 1.09 -15℃ DB 2.52 1.12 2.33 1.10 2.04 1.14...
  • Page 31 9. Performance Data Model: AHBW096A0 [HM091M] LWT 30℃ LWT 35℃ LWT 40℃ LWT 45℃ LWT 50℃ LWT 55℃ Outdoor Temperature -20℃ DB 6.04 3.28 5.58 3.23 4.90 3.35 4.68 3.11 -15℃ DB 7.55 3.20 6.98 3.15 6.13 3.27 5.85 3.19 5.66 3.44 -7℃...
  • Page 32 9. Performance Data Model: AHBW166A0 [HM161M] LWT 30℃ LWT 35℃ LWT 40℃ LWT 45℃ LWT 50℃ LWT 55℃ Outdoor Temperature -20℃ DB 10.68 5.90 9.84 5.88 8.58 5.86 8.16 5.56 -15℃ DB 13.35 5.75 12.30 5.73 10.73 5.71 10.20 5.70 10.00 5.88 -7℃...
  • Page 33 9. Performance Data Model: AHBW168A0 [HM163M] LWT 30℃ LWT 35℃ LWT 40℃ LWT 45℃ LWT 50℃ LWT 55℃ Outdoor Temperature -20℃ DB 11.27 6.11 10.38 6.13 9.10 6.16 8.66 5.87 -15℃ DB 14.09 5.96 12.98 5.98 11.37 6.01 10.83 6.02 10.10 5.92 -7℃...
  • Page 34 9. Performance Data 9.3 NF PAC Test Result Humidification Correction Factor for Heating Operation The capacity table does not consider reduction in capacity when humidification effect in the outdoor temperature below zero. The capacity values considered these factors, in other words the integrated heating capacity values, can be obtained as follow : Formula Integrated Heating capacity = A...
  • Page 35: Electric Characteristics

    Power Supply Unit Ref. side Fan motor For electric heater Model names COMP Electric Heater For Unit Output (Without DHW) Volts Voltage-range MSC RLA AHBW036H0 [HM031M] 0.124 0.475 10.0 AHBW056A0 [HM051M] 13.0 AHBW076A0 [HM071M] 0.124 0.475 2 + 2 18.7 14.0 18.7...
  • Page 36: Sound Pressure Level

    - The operating conditions are assumed to be standard. Sound Pressure Level [dB(A)] Sound Pressure Level [dB(A)] Model Model Cooling Heating Cooling Heating AHBW036H0 [HM031M] AHBW146A0 [HM141M] AHBW056A0 [HM051M] AHBW166A0 [HM161M] AHBW076A0 [HM071M] AHBW128A0 [HM123M] AHBW096A0 [HM091M] AHBW148A0 [HM143M] AHBW126A0 [HM121M]...
  • Page 37 11. Noise Criteria AHBW146A0 [HM141M] AHBW126A0 [HM121M] AHBW166A0 [HM161M] AHBW128A0 [HM123M] ▲ Cooling ▲ Cooling ▲ Cooling Heating Heating Heating NC-65 NC-65 NC-65 NC-60 NC-60 NC-60 NC-55 NC-55 NC-55 NC-50 NC-50 NC-50 NC-45 NC-45 NC-45 NC-40 NC-40 NC-40 NC-35 NC-35 NC-35 NC-30 NC-30...
  • Page 38 2. Sound level will vary depending on a range of factors such as the construction (acoustic absorption coefficient) of particular room in which the equipment in installed. Sound power level dB(A) Sound power level dB(A) Model Model Heating Heating AHBW036H0 [HM031M] AHBW146A0 [HM141M] AHBW056A0 [HM051M] AHBW166A0 [HM161M] AHBW076A0 [HM071M] AHBW128A0 [HM123M] AHBW096A0 [HM091M] AHBW148A0 [HM143M]...
  • Page 39 2. Sound level will vary depending on a range of factors such as the construction (acoustic absorption coefficient) of particular room in which the equipment in installed. Sound power level dB(A) Sound power level dB(A) Model Model Heating Heating AHBW036H0 [HM031M] AHBW146A0 [HM141M] AHBW056A0 [HM051M] AHBW166A0 [HM161M] AHBW076A0 [HM071M] AHBW128A0 [HM123M] AHBW096A0 [HM091M] AHBW148A0 [HM143M]...
  • Page 40: Wired Remote Controller

    12. Controller Wired Remote Controller Name Display Change Temperature Button Water Heating Enable / Disable Button Power Button Operation Mode Selection Button Silent Mode On / Off Button Temperature Setting Mode Button Temperature View Mode Button Function Setting Button Programming Button Direction Button (Up, Down, Left, Right) Set / Clear button ESC Button...
  • Page 41 12. Controller Electric heater STEP one Electric heater STEP two These icons indicate that the backup electric heater is operating. Domestic hot water tank heater This icon indicates that Domestic hot water tank electric heater which is located inside Domestic hot water tank is active.
  • Page 42 12. Controller Installation of Remote Controller 1. Please fix tightly using provided screw after placing remote controller setup board on the place where you like to setup. - Please set it up not to bend because poor setup could take place if setup board bends. Please set up remote controller board fit to the reclama- tion box if there is a reclamation box.
  • Page 43 12. Controller 4. Please connect Main PCB (Heater) and remote controller using connection cable. Please check if connector is normally connected. PCB assembly 1 of unit side Connecting cable 5. Please use extension cable if the distance between wired remote controller and unit is more than 10m. CAUTION When installing the wired remote controller, do not bury it in the wall.
  • Page 44: Water Pressure Drop

    13. Water Pressure Drop AHBW036H0 [HM031M], AHBW056A0 [HM051M] 50.0 45.0 40.0 35.0 30.0 25.0 20.0 15.0 10.0 10.0 20.0 30.0 40.0 Flow rate [ /min] AHBW076A0 [HM071M], AHBW096A0 [HM091M] 50.0 45.0 40.0 35.0 30.0 25.0 20.0 15.0 10.0 10.0 20.0 30.0...
  • Page 45 13. Water Pressure Drop AHBW126A0 [HM121M], AHBW146A0 [HM141M], AHBW166A0 [HM161M], AHBW128A0 [HM123M], AHBW148A0 [HM143M], AHBW168A0 [HM163M] 50.0 45.0 40.0 35.0 30.0 25.0 20.0 15.0 10.0 10.0 20.0 30.0 40.0 50.0 60.0 Flow rate [ /min] 42 _ Air-to-Water Heat Pump...
  • Page 46 Part 2. Design and installation 1. Alternative Refrigerant R410A 2. Select the Best Location 3. Installation Space 4. Water Control 5. Lifting Method 6. Installation 7. Electrical Wiring 8. Test Run...
  • Page 47 1. Alternative Refrigerant R410A • The refrigerant R410A has the property of higher operating pressure in comparison with R22. Therefore, all materials have the characteristics of higher resisting pressure than R22 ones and this characteristic should be also considered during the installation. R410A is an azeotrope of R32 and R125 mixed at 50:50, so the ozone depletion potential (ODP) of R410A is 0.
  • Page 48: Select The Best Location

    2. Select the Best Location 1. Select space for installing unit, which will meet the following conditions: • No direct thermal radiation from other heat sources • No possibility of annoying neighbors by noise from unit• No exposition to strong wind •...
  • Page 49: General Considerations

    3. Installation Space 3.1 General considerations • If a sunroof is built over the unit to prevent direct sunlight or rain exposure, make sure that heat radiation from the heat exchanger is not restricted. • Ensure that the spaces indicated by arrows around front, More than back and side of the unit.
  • Page 50 The water pump is three speed-adjustable (Maximum / Medium / Minimum), so it may be required to change default water pump speed in case of noise by water flow. In most case, however, it is strongly recommended to set speed as Maximum. AHBW036H0[HM031M] AHBW076A0 [HM071M] AHBW056A0 [HM051M]...
  • Page 51: Water Quality

    4. Water Control 4.2 Water quality Water quality should be complied with EN 98/83 EC Directives. Requirement for resolved chemical ingredients is following table. Detailed water quality condition can be found in EN 98/83 EC Directives. Parameter Value Parameter Value Acrylamide 0.10 μg/ Fluoride...
  • Page 52: Lifting Method

    5. Lifting Method • When carrying the suspended unit, pass the ropes between legs of base panel under the unit. • Always lift the unit with ropes attached at four points so that impact is not applied to the unit. •...
  • Page 53 6. Installation 6.1 Foundation for Installation • Check the strength and level of the installation ground so that the unit will not cause any operating vibration or noise after installation. • Fix the unit securely by means of the foundation bolts. (Prepare 4sets of M12 foundation bolts, nuts and wash- ers each which are available on the market.) •...
  • Page 54 6. Installation 6.2 Water Piping and Water Circuit Connection 1) General considerations Followings are should be considered before beginning water circuit connection. • Service space should be secured. • Water pipes and connections should be cleaned using water. • Space for installing external water pump should be provided if internal water pump capacity is not enough for installation field.
  • Page 55 6. Installation WARNING Water condensation on the floor While cooling operation, it is very important to keep leaving water temperature higher than 16 ℃. 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.
  • Page 56 6. Installation 2) CASE 2: Connecting sanitary water tank (Under floor loop, Fan coil unit, and Radiator) Outdoor Indoor Fan coil unit Floor heating loop Radiator Hot water Domestic hot water tank City water 3) CASE 3: Connecting Solar thermal system Outdoor Indoor Solar heat source...
  • Page 57: Pipe Insulation

    6. Installation 6.4 Water charging For water charging, please follow below procedures. Step 1. Open all valves of whole water circuit. Supplied water should be charged not only inside the unit, but also in the under floor water circuit, sanitary water tank circuit, FCU water circuit, and any other water circuits controlled by the product.
  • Page 58 6. Installation 6.5 Vacuum To work of vacuum action. when the leak of refrigerant. Gas Pipe (At cooling mode) SVC Port Manifold gauge Manifold valve Pressure gauge Open Close Vacuum pump (0.5 ~ 1HP) 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).
  • Page 59 6. Installation 6.6 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. Gas Pipe (At cooling mode) SVC Port Manifold gauge Refrigerant cylinder...
  • Page 60: Electrical Wiring

    7. Electrical Wiring 7.1 Areas of Caution 1. Follow ordinance of your governmental organization for technical standard related to electrical equipment, wiring regulations and guidance of each electric power company. WARNING Be sure to have authorized electrical engineers do the electric work using special circuits in accor- dance with regulations and this installation manual.
  • Page 61 7. Electrical Wiring ◆ Wire specification Power cable specification : The power cord connected to the unit should be complied with IEC 60245 or HD 22.4 S4 (Rubber insulated cord, type 60245 IEC 66 or H07RN-F) 1 Phase(Ø) If the supply cord is damaged, it must be replaced by the manufacturer, its service agent or similarly qualified persons in order to avoid a hazard.
  • Page 62 7. Electrical Wiring 7.2 Wiring procedure for power cable This cable is generally connected between external power source (such as main electric power distribution panel of user's house) and the unit. Before starting wiring, check if wire specification is suitable and read following directions and cautions VERY carefully.
  • Page 63 7. Electrical Wiring 7.3 DIP switch information • If you set Dip switch when power is on, the changed setting will not be applied immediately. The changed setting will be enabled only when Power is reset or by pressing Reset button. 8 7 6 5 4 3 2 1 Description Setting...
  • Page 64: Test Run

    8. Test Run • Before starting operation, pre-check points are described in this chapter. 8.1 Test run flow chart START Check whether the power cable and Operate the unit in heating mode. communication cable are completely connected Does Test operation start? Is cold water discharged for * Check the load (In/Out Temp.) more than 3 minutes ?
  • Page 65 • There should be no apparently damaged parts inside the unit. • Refrigerant leakage degrades the performance. If leakage found, Refrigerant leakage contact qualified LG air conditioning installation person. Unit Installation • While cooling operation, condensed dew can drop down to the bottom Drainage treatment of the unit.
  • Page 66 8. Test Run 8.3 Maintenance To assure best performance of , it is required to perform periodical check and maintenance. It is recommended to proceed following check list for once a year. Turn off the power before proceeding maintenance Category Item Check Point •...
  • Page 67 Part 3. Accessories 1. Dry Contact (PQDSA)* Supplied by accessory 2. Remote Temperature Sensor (PQRSTA0) 3. Domestic Hot Water Tank Kit(PHLTB) 4. Solar Thermal Kit(PHLLA)
  • Page 68 1.1 Overview LG Dry Contact is a solution for automatic control of air conditioning system at the owner’s behest. In simple words, it’s a switch which can be used to turn the unit On/Off after getting the signal from external sources like key-in lock, door or window switch etc specially used in Hotel rooms.
  • Page 69 • So before using these things Please check the connector type first and use cables on proper indoor unit. 1.3 Installation Guide 1.3.1 Step 1 - DRY CONTACT PCB is installed as factory default. - Connection of Dry contact & LG Central Controller in case of single constant models. Connection PCB (6871A30056A) DRY CONTACT...
  • Page 70 DRY CONTACT Operation Display Error Check Display CN-CC Dry contact Controller CN_DRY INPUT LG does not AC 220V supply this section - To apply power source directly to external source. DRY CONTACT DRY CONTACT Operation Display Error Check Display CN-CC...
  • Page 71 2. Remote Temperature Sensor (PQRSTA0) 2.1 Part Description Remote temperature sensor can be installed any place a user wants to detect the temperature. 2.1.1 Remote Sensor 70mm Remote Sensor Connection Wire 2.1.2 Parts Connection wire Fixing screw for Installation Manual 15m(1EA) Remote Sensor(2EA) Air-to-Water Heat Pump...
  • Page 72 2. Remote Temperature Sensor (PQRSTA0) 2.2 Installation Method 2.2.1 How to use 1. After deciding where the remote temperature sensor is installed, decide the location and height of the fixing screws. Fixing screws 60mm (Interval between the screws : 60mm) 2.
  • Page 73 3. Domestic Hot Water Tank Kit(PHLTB) Must be used for communication of Domestic Hot Water Tank and AWHP Unit. 3.1 Model < PHLTB > * When connecting PHLTB, please refer to the manual supplied with. 3.2 Part Description Sensor (Thermister) – Th12 Water tank kit Installation Manual Multi harness (only AHBWXXXA0 model use)
  • Page 74 3. Domestic Hot Water Tank Kit(PHLTB) 3.3 Installation Method How to Install Domestic Hot Water Tank Kit Follow below procedures Step 1 ~ Step 5. Step 1. Uncover the water tank kit and locate it on the wall. Step 2. Connect the water tank kit to the main power like the below figure 2. Step 3.
  • Page 75 4. Solar Thermal Kit(PHLLA) - Must be used for communication of solar thermal component and indoor unit PCB. 4.1 Model - PHLLA : Sensor’s limit temperature 100℃ * When connecting PHLTB, please refer to the manual supplied with. 4.2 Part Description Sensor (Thermister) –...
  • Page 76 Yeouido P.O.Box 335 Seoul, 150-721, Korea. http://www.lgeaircon.com All rights reserved The air conditioners manufactured by LG have received ISO9001 certificate for Printed in Korea April / 2015 quality assurance and ISO14001 certificate for environmental management system. The specifications, designs, and information in this brochure are subject to change without notice.

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