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LG Therma V AHUW056A3 Engineering Product Data Book
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LG Therma V AHUW056A3 Engineering Product Data Book

Air-to-water heat pump/split type r410a/50hz, total hvac solution provider
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Air-to-Water Heat Pump / Split Type
R410A/50Hz
5BPU0-02B (Replaces 5BPU0-02A)
P/No. : MFL66101112

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Summary of Contents for LG Therma V AHUW056A3

  • Page 1 Air-to-Water Heat Pump / Split Type R410A/50Hz 5BPU0-02B (Replaces 5BPU0-02A) P/No. : MFL66101112...

  • Page 2: Split Type

    THERMA V Split Type General Information Indoor Unit Hydro Box Unit DHW Tank Integrated Unit Outdoor unit...

  • Page 3: General Information

    Split Type General Information THERMA V 1.Model Line Up 2.Nomenclature...

  • Page 4: Outdoor Units

    THERMA V Split Type General Information 1. Model line up 1.1 Indoor Units Model Name External Heater Capacity Category Type Heating Capacity class* (kW) Appearance [kW] 16.0 AHNW16606A3 [HN1616 NK3] Hydro Box Type AHNW16809A3 [HN1639 NK3] AWHP Split Type DHW Tank AHNW16606B0 Integrated Type [HN1616T NB0]...
  • Page 5 THERMA V Split Type General Information 2. Nomenclature 2.1 Indoor Unit Global Name Model Name Signification Air-to-Water Heat Pump for R410A Classification N : Indoor unit of Split type U : Outdoor unit of Split type B : Monobloc type Model Type W : Inverter Heat Pump H : Heat Pump...
  • Page 6 THERMA V Split Type General Information 2. Nomenclature European Name Model Name Signification Air-to-Water Heat Pump for R410A Classification N : Indoor unit of Split type U : Outdoor unit of Split type M : Monobloc type Heating Capacity (kW) Ex) 9kW '09', 12kW '12'...

  • Page 7: Outdoor Unit

    THERMA V Split Type General Information 2. Nomenclature 2.2 Outdoor Unit Global Name Model Name Signification Air-to-Water Heat Pump for R410A Classification N : Indoor unit U : Outdoor unit : Set Model Type W : Inverter Heat Pump H : Heat Pump Heating Capacity (kW) Ex) 5kW : ‘05’, 16kW : '16' Electrical ratings...
  • Page 8 THERMA V Split Type General Information 2. Nomenclature European Name Model Name Signification H : Air-to-Water Heat Pump for R410A Classification U : Outdoor unit Heating Capacity (kW) Ex) 5kW : ‘05’, 16kW : '16' Electrical ratings 1 : 1Ø, 220-240V AC 50 Hz 3 : 3Ø, 380-415V AC 50 Hz Classification N : Indoor unit of Split type...

  • Page 9: Indoor Unit

    Split Type Indoor Unit THERMA V Hydro Box Unit DHW Tank Integrated Unit...
  • Page 10 Split Type Hydro Box Unit THERMA V 1.Features 2.List of Functions 3.Specification 4.Dimensions 5.Wiring Diagram 6.Piping Diagram 7.Hydraulic Performance 8.Sound Levels 9.Installation 10.Accessories...
  • Page 11 THERMA V Split Type Hydro Box Unit 1. Features • Prividing eco-friendly heating • High energy efficiency • Easy installation • Space heating, cooling, and Domestic Hot Water heating...

  • Page 12: List Of Functions

    THERMA V Split Type Hydro Box Unit 2. List of Functions AHNW16606A3 [HN1616 NK3] Category Function AHNW16809A3 [HN1639 NK3] Drain pump E.S.P. control Installation Electric heater(operation) High ceiling operation Hot start Reliability Self diagnosis Soft dry operation Auto changeover Auto cleaning Auto operation(artificial intelligence) Auto restart operation Child lock...

  • Page 13: Specifications

    Power Supply Type Separated power source Separated power source DHW Tank** Thermal Protector Range Max. °C (Field Supply) Relay Contactor Needed Needed ELCB Sensor Adaptor Diameter mm(inch) 12.7 (1/2) 12.7 (1/2) Accessory Kit Model Name*** PHLTA (LG Supply) PHLTA (LG Supply) MCCB...
  • Page 14 THERMA V Split Type Hydro Box Unit 3. Specifications AHNW16606A3 AHNW16809A3 Electrical Specification [HN1616 NK3] [HN1639 NK3] Type Sheath Sheath Number of Heating Coil Capacity Combination 3.0 + 3.0 3.0 + 3.0 + 3.0 Operation Automatic Automatic Electric Heater Heating Steps Step Power Supply V, Ø, Hz...
  • Page 15 THERMA V Split Type Hydro Box Unit 4. Dimensions 4.1 Internal  AHNW16606A3 [HN1616 NK3], AHNW16809A3 [HN1639 NK3]...
  • Page 16 THERMA V Split Type Hydro Box Unit 4. Dimensions 4.2 External  AHNW16606A3 [HN1616 NK3], AHNW16606A3 [HN1616 NK3]...

  • Page 17: Wiring Diagrams

    THERMA V Split Type Hydro Box Unit 5. Wiring Diagrams AHNW16606A3 [HN1616 NK3]...
  • Page 18 THERMA V Split Type Hydro Box Unit 5. Wiring Diagrams AHNW16809A3 [HN1639 NK3]...

  • Page 19: Piping Diagram

    THERMA V Split Type Hydro Box Unit 6. Piping Diagram AHNW16606A3 [HN1616 NK3] / AHNW16809A3 [HN1639 NK3] City Water Shower B/HT 3Way V/V2 Solar W/Pump2 Fan Coil Unit W/TANK SOLAR THERMAL 3Way Indoor unit V/V_1 SYSTEM E/HT Radiator Ref. Out 2Way V/V_1 Ref.
  • Page 20 : Solar panel, Sensors, Thermostats, Interim heat exchanger, SOLAR Water pump, etc. - 3rd party accessory and Field installation THER- MAL (no connector) - To utilized hot water heated by (sold separately) SYSTEM SOLAR THERMAL SYSTEM, end-user must by LG AWHP Solar-Kit.

  • Page 21: Hydraulic Performance

    THERMA V Split Type Hydro Box Unit 7. Hydraulic Performance 7.1 Water Pump Capacity Water volume and pump capacity The water pump is BLDC, so it may be required to change default water pump speed in case of noise by waterflow. In most case, however, it is strongly recommended to set speed as Maximum.

  • Page 22: Water Volume And Expansion Vessel Pressure

    THERMA V Split Type Hydro Box Unit 7. Hydraulic Performance 7.2 Water Volume and Expansion Vessel Pressure Expansion vessel inside Hydro Box Unit is included which is 8 liter capacity with 1 bar pre-pressure. That means, according to the volume-pressure graph, total water volume of 230 liter is supported as default. If total water volume is changed because of installation condition, the pre-pressure should be adjusted to secure proper operation.

  • Page 23: Sound Power Level

    THERMA V Split Type Hydro Box Unit 8. Sound levels Sound Power Level Note 1. Data is valid at diffuse field condition. 2. Reference acoustic intensity 0dB = 10E-6μW/m 3. Sound power level is measured on the rated condition in the reverberation rooms. Refer to the Model Specifications for nominal conditions(Power source and Ambient temperature, etc) 4.

  • Page 24: Installation

    THERMA V Split Type Hydro Box Unit 9. Installation 9.1 Water Control 9.1.1 Water quality Water quality should be complied with EN 98/83 EC Directives. Detailed water quality condition can be found in EN 98/83 EC Directives. CAUTION • If the product is installed at existing hydraulic water loop, it is important to clean hydraulic pipes to remove sludge and scale.

  • Page 25: General Considerations

    THERMA V Split Type Hydro Box Unit 9. Installation 9.2 Water Piping and water Circuit Connection 9.2.1 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. •...
  • Page 26 THERMA V Split Type Hydro Box Unit 9. Installation WARNING • Water condensation on the floor While cooling operation, it is very important to keep leaving water temperature higher than 16 . Otherwise, dewcondensation can be occurred on the floor.If floor is in humid environment, do not set leaving water temperature below 18 °C.
  • Page 27 THERMA V Split Type Hydro Box Unit 9. Installation 9.3 Installation Scenes If is installed with pre-existing boiler, the boiler and THERMA V should not be operated together. If entering water temperature of THERMA V is above 57 °C, the system will stop operation to prevent mechanical damage of the unit.
  • Page 28 THERMA V Split Type Hydro Box Unit 9. Installation  CASE2 : Connecting DHW tank (Under floor loop, Fan coil unit and Radiator) Outdoor Indoor Outdoor Unit Indoor Unit Magnetic Filter (Recommended) Hot water Fan coil unit Floor heating loop Radiator Domestic hot water...
  • Page 29 THERMA V Split Type Hydro Box Unit 9. Installation 9.4 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 indoor unit, but also in the under floor water circuit, DHW tank circuit, FCU water circuit, and any other water circuitscontrolled by the product.
  • Page 30 THERMA V Split Type Hydro Box Unit 9. Installation 9.5 Dip switch information Turn off electric power supply before setting DIP switch • Whenever adjusting DIP switch, turn off electric power supply to avoid electric shock. Description Setting Default As Master Role when central controller is equipped As Slave Indoor unit + Outdoor unit...

  • Page 31: Test Run Flow Chart

    THERMA V Split Type Hydro Box Unit 9. Installation 9.6 Test Run • Before starting operation, pre-check points are described in this chapter. 9.6.1 Test run flow chart START Check whether the power cable and Operate the unit in cooling mode. communication cable are completely connected Does Test operation start? Is water discharged for...

  • Page 32: Check List Before Starting Operation

    THERMA V Split Type Hydro Box Unit 9. Installation 9.6.2 Check List before Starting Operation Turn off the power before changing wiring or handling unit. Problem Reason Solution • Setting target • Set target temperature correctly. temperature is not • Check if temperature is water-based or air-based. proper.

  • Page 33: Maintenance

    THERMA V Split Type Hydro Box Unit 9. Installation 9.6.3 Maintenance To assure best performance of THERMA V, it is required to perform periodical check and maintenance. It isrecommended to proceed following check list for once a year. Turn off the power before proceeding maintenance Category Item Check Point...

  • Page 34: Safety Precautions

    THERMA V Split Type Hydro Box Unit 10. Accessories 10.1 Dry Contact (PDRYCB500) 10.1.1 Safety Precautions To prevent injury to the user or other people and property damage, the following instructions must be followed. Incorrect operation due to ignoring instruction will cause harm or damage. The seriousness is classified by the followingindications.

  • Page 35: Name Of Each Part

    THERMA V Split Type Hydro Box Unit 10. Accessories 10.1.3 Name of each part Front Case Rear Case ISO View Side Side Cable(1 EA) Installation Manual (For Connecting with indoor unit) Modbus Gateway For Indoor Unit 1. CN-OUT : Indoor Unit Connector 2.

  • Page 36: Installation Inside Of The Indoor Unit

    THERMA V Split Type Hydro Box Unit 10. Accessories 10.1.4 Installation Inside of the indoor unit 1. Loosen and remove two screws that secure the product. 2. Loosen two screws that secure the PCB to separate rear of the case from the PCB. 3.

  • Page 37: Setting Address

    THERMA V Split Type Hydro Box Unit 10. Accessories Setting Address Address 1 Address 2 Address 3 Address 4 Address 5 Address 6 In case, connect a Modbus controller with several product, Address have to be set different from others. Address 7 Address 8 •...

  • Page 38: Remote Temperature Sensor (Pqrsta0)

    THERMA V Split Type Hydro Box Unit 10. Accessories 10.2 Remote Temperature Sensor (PQRSTA0) 10.2.1 Part Description Remote temperature sensor can be installed any place a user wants to detect the temperature. Remote Sensor Remote Sensor Connection Wire Parts Connection wire Fixing screw for Installation Manual 15m(1EA)

  • Page 39: Installation Method

    THERMA V Split Type Hydro Box Unit 10. Accessories 10.2.2 Installation Method How to use 1. After deciding where the remote temperature sensor is installed, decide the location and height of the fixing screws. (Interval between the screws : 60mm) Fixing screws 60mm 2.
  • Page 40 THERMA V Split Type Hydro Box Unit 10. Accessories 10.3 DHW Tank Kit (PHLTA) 10.3.1 Part Description DHW Tank Kit must be used for communication of DHW tank and indoor unit. It’s for communication with the DHW tank which has electric heater. Sensor (Thermister) : This sensor (RHRSTA0) can be supplied separately.
  • Page 41 THERMA V Split Type Hydro Box Unit 10. Accessories 10.4 Solar Thermal Kit (PHLLA / PHLLB) 10.4.1 Model Solar Thermal Kit Must be used for communication of solar thermal component and indoor unit. - PHLLA : Sensorʼs limit temperature 100 - PHLLB : Sensorʼs limit temperature 120 10.4.2 Part Description Sensor (Thermister)
  • Page 42 THERMA V Split Type Hydro Box Unit 10. Accessories 10.5 Drain Pan (PHDPB) 10.5.1 Part Description WARNING 1. Turn the main power off when cleaning, maintaining or installing drain pump. • There is risk of electric shock. CAUTION 1. Do not insert hands or other objects through the air inlet or outlet while the product is operated. •...

  • Page 43: How To Install

    THERMA V Split Type Hydro Box Unit 10. Accessories 10.5.2 Installation WARNING 1. Do not Install, remove, or re-install the unit by yourself (customer). • There is risk of fire, electric shock, explosion, or injury. 2. For installation, always contact the dealer or an Authorized Service Center. •...
  • Page 44 THERMA V Split Type Hydro Box Unit 10. Accessories CAUTION • Take care that drain pan is broken by sharp edge. • Power cable must not go through the knock-out. 8. Assemble the Drain pan (a). 7. Assemble the front panel. - And then connect the drain hose (field supply) to the Drain pan (a).
  • Page 45 THERMA V Split Type Hydro Box Unit 10. Accessories 10.5.3 Attention 1. Four pipes (two refrigerant pipes and two waterpipes) should be fastened to the Drain Pan (b)with ties. 2. The drain hose (field supply) should be wrappedby thermal insulator (field supply) with minimum10 mm thickness.
  • Page 46 Split Type DHW Tank Integrated Unit THERMA V 1.Features 2.List of functions 3.Specification 4.Drawing 5.Wiring Diagrams 6.Piping Diagrams 7.Performance Data 8.Water Pump Capacity 9.Installation 10.Accessories...
  • Page 47 THERMA V Split Type DHW Tank Integrated Unit 1. Features • Providing Eco-friendly heating • High energy efficiency – Pressure Control & Quick Operating Response • Quiet operation • All in one solution – Hydro Box for Space heating/cooling + Domestic How Water Tank + Buffer Tank –...

  • Page 48: List Of Functions

    THERMA V Split Type DHW Tank Integrated Unit 2. List of Functions  List of functions AHNW16606B0 Category Functions [HN1616T NB0] Electric heater Installation Domestic Hot Water Tank heater (Install Kit) Screed Drying Mode Reliability Self diagnosis Auto Restart operation Child lock Sleep mode Convenience...

  • Page 49: Technical Specifications

    THERMA V Split Type DHW Tank Integrated Unit 3. Specifications  Technical Specifications Indoor Unit Model Name AHNW16606B0 [HN1616T NB0] For Fan Coil Unit °C 7 ~ 25 Cooling Operation (Min.~Max.) For under floor °C 7 ~ 25 Range Heating For Fan Coil Unit /Radiator °C 25 ~ 58...

  • Page 50: Electrical Specifications

    THERMA V Split Type DHW Tank Integrated Unit 3. Specifications  Electrical Specifications Indoor Unit Model Name AHNW16606B0 [HN1616T NB0] Power Supply V, Ø, Hz 230, 1, 50 Power Cable (Included Earth)1) No. × mm² 3C × 4.0 (H07RN-F) L1,N,Earth Power connection wiring Heater Type Sheath...
  • Page 51 THERMA V Split Type DHW Tank Integrated Unit 4. Drawing AHNW16606B0 [HN1616T NB0]...

  • Page 52: Wiring Diagrams

    THERMA V Split Type DHW Tank Integrated Unit 5. Wiring diagrams AHNW16606B0 [HN1616T NB0]...
  • Page 53 THERMA V Split Type DHW Tank Integrated Unit 5. Wiring diagrams Connecting Elements mark Description Terminals A : Indoor unit Controller Basic input/output module MD1 Communication with I/O module MD2 Communication with the control electronics of the PLC screen module Set-up of bridges (without) Connecting terminal for communication with expansion module MD2 A+, B-...
  • Page 54 THERMA V Split Type DHW Tank Integrated Unit 5. Wiring diagrams  Indoor unit Controller...
  • Page 55 THERMA V Split Type DHW Tank Integrated Unit 5. Wiring diagrams Element Connecting Terminals Description Marks L1, L2, L3, N, PE Power cable A5, GND Temperature sensor for external temperature Q11, N Cooling valve Q12, N, PE Additional external source Q7, N, PE Circulation pump of heating cycle 1 (optional) Q8, N, PE...

  • Page 56: Piping Diagrams

    THERMA V Split Type DHW Tank Integrated Unit 6. Piping diagrams DHW Tank Integrated Unit Basic installation (IDU + ODU) Indoor Unit TANK (Optional) 3Way Valve Electric Heater Water Pump 1 : Ball valve 2 : Pressure reducing valve 3 : Check valve Buffer Tank 4 : Safety valve...
  • Page 57 THERMA V Split Type DHW Tank Integrated Unit 7. Performance Data 7.1 Domestic Hot Water Volume Water Volume means amount of water that can be tapped with a temperature of 40 when the DHW tank has been heated up to a indicated temperature. AHUW096A3 [HU091 U43] AHUW16*A3 [HU16* U33] AHUW14*A3 [HU14* U33]...
  • Page 58 THERMA V Split Type DHW Tank Integrated Unit 7. Performance Data 7.2 Domestic Hot Water Performance AHUW096A3 [HU091 U43] AHUW16*A3 [HU16* U33] AHUW14*A3 [HU14* U33] AHUW12*A3 [HU12* U33] Tank temperature [ ˚C] Note • Heat up time means time required to heat up the water in tank starting from a temperature of 10 up to the indicated temperature.
  • Page 59 THERMA V Split Type DHW Tank Integrated Unit 8. Water Pump Capacity The water pump is three speed-adjustable (Maximum / Medium / Minimum), but Minimum step is not used. It is recommended to use Maximum or Medium steps. In case of noise by water flow, it may be required to change default water pump speed.

  • Page 60: Installation

    THERMA V Split Type DHW Tank Integrated Unit 9. Installation 9.1 Water Control 9.1.1 Water quality Water quality should be complied with EN 98/83 EC Directives. Detailed water quality condition can be found in EN 98/83 EC Directives. CAUTION • If the product is installed at existing hydraulic water loop, it is important to clean hydraulic pipes to remove sludge and scale.

  • Page 61: Water Piping And Water Circuit Connection

    THERMA V Split Type DHW Tank Integrated Unit 9. Installation 9.2 Water Piping and water Circuit Connection 9.2.1 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. •...
  • Page 62 THERMA V Split Type DHW Tank Integrated Unit 9. Installation WARNING • Water condensation on the floor While cooling operation, it is very important to keep leaving water temperature higher than 16 . Otherwise, dewcondensation can be occurred on the floor.If floor is in humid environment, do not set leaving water temperature below 18 °C.
  • Page 63 THERMA V Split Type DHW Tank Integrated Unit 9. Installation 9.3 Installation Scenes If is installed with pre-existing boiler, the boiler and THERMA V should not be operated together. If entering water temperature of THERMA V is above 57 °C, the system will stop operation to prevent mechanical damage of the unit.
  • Page 64 THERMA V Split Type DHW Tank Integrated Unit 9. Installation  CASE2 : Connecting Solar thermal system Domestic Hot water Outdoor Indoor City water Outdoor Unit Indoor Unit Magnetic Filter (Recommended) Solar heat source Fan coil unit Floor heating loop Radiator Buffer tank...
  • Page 65 THERMA V Split Type DHW Tank Integrated Unit 10. Accessories 10.1 Modbus Converter (PP485B00K) 10.1.1 Part Description 1 2 3 4 5 6 7 8 Modbus Gateway For Indoor Unit • LED01G, 02G, 03G: Communication Status LED • LED1:RS-485 Status LED •...

  • Page 66: Dip Switch Configuration

    THERMA V Split Type DHW Tank Integrated Unit 10. Accessories Accessory Part List Multi-V 1 2 3 4 5 6 7 8 PP485B00K BRACKET (1EA) SCREW (4EA) Multi Multi-V WIRE ASSY 1(1EA) WIRE ASSY 2(1EA) WIRE ASSY 3(1EA) Others : Tie Wrap (3 EA) - Cable Tie Clamp (1 EA) 10.1.2 Installation Guide Connect CN_OUT with Outdoor Unit by the cable(provided).
  • Page 67 Split Type Outdoor unit THERMA V 1.List of functions 2.Specification 3.Dimensions 4.Wiring Diagram 5.Piping Diagram 6.Performance Data 7.Operation Range 8.Electric Characteristics 9.Sound Levels 10.Installation...
  • Page 68 THERMA V Split Type Outdoor unit 1. List of functions List of functions AHUW056A3 [HU051 U43] AHUW126A3 [HU121 U33] AHUW128A3 [HU123 U33] Category AHUW076A3 [HU071 U43] AHUW146A3 [HU141 U33] AHUW148A3 [HU143 U33] AHUW096A3 [HU091 U43] AHUW166A3 [HU161 U33] AHUW168A3 [HU163 U33] Defrost / Deicing High pressure switch Low pressure switch...
  • Page 69 THERMA V Split Type Outdoor unit 2. Specifications 2.1 Nominal Capacity and Power Input Combination with Hydro Box type Outdoor Unit AHUW056A3 [HU051 U43] AHUW076A3 [HU071 U43] Model Names Indoor Unit AHNW16606A3 [HN1616 NK3] AHNW16606A3 [HN1616 NK3] Cooling Capacity (Rated) Heating Cooling 1.09...
  • Page 70 THERMA V Split Type Outdoor unit 2. Specifications Outdoor Unit AHUW128A3 [HU123 U33] AHUW148A3 [HU143 U33] Model Names Indoor Unit AHNW16809A3 [HN1639 NK3] AHNW16809A3 [HN1639 NK3] Cooling 10.4 12.0 Capacity (Rated) Heating 12.0 14.0 Cooling 2.60 3.08 Power Input (Rated) Heating 2.64 3.18...
  • Page 71 THERMA V Split Type Outdoor unit 2. Specifications Combination with DHW tank Integrated type Outdoor Unit AHUW096A3 [HU091 U43] AHUW126A3 [HU121 U33] Model Names Indoor Unit AHNW16606B0 [HN1616T NB0] AHNW16606B0 [HN1616T NB0] Cooling 10.4 Capacity (Rated) Heating 12.0 Cooling 2.88 3.30 Power Input (Rated)
  • Page 72 THERMA V Split Type Outdoor unit 2. Specifications 2.2 Outdoor Unit Specifications Outdoor Units AHUW056A3 [HU051 U43] AHUW076A3 [HU071 U43] Cooling Min. ~ Max. °C DB 5 ~ 48 5 ~ 48 Operation Range Heating Min. ~ Max. °C DB -20 ~ 35 -20 ~ 35 (Outdoor Tempera-...
  • Page 73 THERMA V Split Type Outdoor unit 2. Specifications Outdoor Units AHUW096A3 [HU091 U43] AHUW126A3 [HU121 U33] Cooling Min. ~ Max. °C DB 5 ~ 48 5 ~ 48 Operation Range Heating Min. ~ Max. °C DB -20 ~ 35 -20 ~ 35 (Outdoor Tempera- Domestic Hot ture)
  • Page 74 THERMA V Split Type Outdoor unit 2. Specifications Outdoor Units AHUW146A3 [HU141 U33] AHUW166A3 [HU161 U33] Cooling Min. ~ Max. °C DB 5 ~ 48 5 ~ 48 Operation Range Heating Min. ~ Max. °C DB -20 ~ 35 -20 ~ 35 (Outdoor Tempera- Domestic Hot ture)
  • Page 75 THERMA V Split Type Outdoor unit 2. Specifications Outdoor Units AHUW128A3 [HU123 U33] AHUW148A3 [HU143 U33] Cooling Min. ~ Max. °C DB 5 ~ 48 5 ~ 48 Operation Range Heating Min. ~ Max. °C DB -20 ~ 35 -20 ~ 35 (Outdoor Tempera- Domestic Hot ture)
  • Page 76 THERMA V Split Type Outdoor unit 2. Specifications Outdoor Units AHUW168A3 [HU163 U33] Cooling Min. ~ Max. °C DB 5 ~ 48 Operation Range Heating Min. ~ Max. °C DB -20 ~ 35 (Outdoor Tempera- Domestic Hot ture) Min. ~ Max. °C DB Water Type...
  • Page 77 THERMA V Split Type Outdoor unit 3. Dimensions AHUW056A3 [HU051 U43], AHUW076A3 [HU071 U43], AHUW096A3 [HU091 U43]...
  • Page 78 THERMA V Split Type Outdoor unit 3. Dimensions AHUW146A3 [HU141 U33], AHUW166A3 [HU161 U33], AHUW128A3 [HU123 U33], AHUW148A3 [HU143 U33], AHUW168A3 [HU163 U33], AHUW126A3 [HU121 U33]...
  • Page 79 THERMA V Split Type Outdoor unit 4. Wiring Diagrams AHUW056A3 [HU051 U43], AHUW076A3 [HU071 U43], AHUW096A3 [HU091 U43]...
  • Page 80 THERMA V Split Type Outdoor unit 4. Wiring Diagrams AHUW126A3 [HU121 U33], AHUW146A3 [HU141 U33], AHUW166A3 [HU161 U33]...
  • Page 81 THERMA V Split Type Outdoor unit 4. Wiring Diagrams AHUW128A3 [HU123 U33], AHUW148A3 [HU143 U33], AHUW168A3 [HU163 U33]...
  • Page 82 THERMA V Split Type Outdoor unit 5. Piping Diagram LIQUID SIDE Service Indoor Unit Valve Plate Heat (3 way) Exchanger Water. Out Outdoor Unit Heat Exchanger Water. In Pressure 4 way Sensor Valve GAS SIDE Service (Accessories) Valve (3 way) Accumulator Compressor ...
  • Page 83 THERMA V Split Type Outdoor unit 6. Performance Data 6.1 Cooling Operation 6.1.1 Combination with Hydro Box type AHUW056A3 [HU051 U43] + AHNW16606A3 [HN1616 NK3] Outdoor LWT 7°C LWT 10°C LWT 13°C LWT 15°C LWT 18°C LWT 20°C LWT 22°C Temperature 3.65 0.67...

  • Page 84: Performance Data

    THERMA V Split Type Outdoor unit 6. Performance Data AHUW166A3 [HU161 U33] + AHNW16606A3 [HN1616 NK3] LWT 7°C LWT 10°C LWT 13°C LWT 15°C LWT 18°C LWT 20°C LWT 22°C Outdoor Temperature 8.54 1.97 10.69 2.36 11.89 2.52 12.91 2.68 13.98 2.85 14.97...
  • Page 85 THERMA V Split Type Outdoor unit 6. Performance Data 6.1.2 Combination with DHW tank Integrated type AHUW096A3 [HU091 U43] + AHNW16606B0 [HN1616T NB0] LWT 7°C LWT 10°C LWT 13°C LWT 15°C LWT 18°C LWT 20°C LWT 22°C Outdoor Temperature 7.30 2.51 8.09 2.54...
  • Page 86 THERMA V Split Type Outdoor unit 6. Performance Data AHUW148A3 [HU143 U33] + AHNW16606B0 [HN1616T NB0] LWT 7°C LWT 10°C LWT 13°C LWT 15°C LWT 18°C LWT 20°C LWT 22°C Outdoor Temperature 7.43 2.58 8.53 2.60 9.62 2.62 10.35 2.64 11.45 2.66 12.18...
  • Page 87 THERMA V Split Type Outdoor unit 6. Performance Data 6.2 Heating Operation 6.2.1 Combination with Hydro Box type AHUW056A3 [HU051 U43] + AHNW16606A3 [HN1616 NK3]  Peak Capacity (Not included defrost effect) Outdoor LWT 30 LWT 35 LWT 40 LWT 45 LWT 50 LWT 55 Temperature...
  • Page 88 THERMA V Split Type Outdoor unit 6. Performance Data AHUW076A3 [HU071 U43] + AHNW16606A3 [HN1616 NK3]  Peak Capacity (Not included defrost effect) Outdoor LWT 30 LWT 35 LWT 40 LWT 45 LWT 50 LWT 55 Temperature 4.26 1.90 4.34 2.46 4.42 3.02...
  • Page 89 THERMA V Split Type Outdoor unit 6. Performance Data AHUW126A3 [HU121 U33] + AHNW16606A3 [HN1616 NK3]  Peak Capacity (Not included defrost effect) Outdoor LWT 30 LWT 35 LWT 40 LWT 45 LWT 50 LWT 55 Temperature 11.36 2.62 11.36 3.31 11.36 4.99...
  • Page 90 THERMA V Split Type Outdoor unit 6. Performance Data AHUW146A3 [HU141 U33] + AHNW16606A3 [HN1616 NK3]  Peak Capacity (Not included defrost effect) Outdoor LWT 30 LWT 35 LWT 40 LWT 45 LWT 50 LWT 55 Temperature 12.84 3.67 12.50 4.12 12.06 5.30...
  • Page 91 THERMA V Split Type Outdoor unit 6. Performance Data AHUW166A3 [HU161 U33] + AHNW16606A3 [HN1616 NK3]  Peak Capacity (Not included defrost effect) Outdoor LWT 30 LWT 35 LWT 40 LWT 45 LWT 50 LWT 55 Temperature 13.45 4.53 12.76 4.91 12.06 5.30...
  • Page 92 THERMA V Split Type Outdoor unit 6. Performance Data AHUW128A3 [HU123 U33] + AHNW16809A3 [HN1639 NK3]  Peak Capacity (Not included defrost effect) Outdoor LWT 30 LWT 35 LWT 40 LWT 45 LWT 50 LWT 55 Temperature 11.36 2.62 11.36 3.31 11.36 4.99...
  • Page 93 THERMA V Split Type Outdoor unit 6. Performance Data AHUW148A3 [HU143 U33] + AHNW16809A3 [HN1639 NK3]  Peak Capacity (Not included defrost effect) Outdoor LWT 30 LWT 35 LWT 40 LWT 45 LWT 50 LWT 55 Temperature 12.84 3.67 12.50 4.12 12.06 5.30...
  • Page 94 THERMA V Split Type Outdoor unit 6. Performance Data AHUW168A3 [HU163 U33] + AHNW16809A3 [HN1639 NK3]  Peak Capacity (Not included defrost effect) Outdoor LWT 30 LWT 35 LWT 40 LWT 45 LWT 50 LWT 55 Temperature 13.45 4.53 12.76 4.91 12.06 5.30...
  • Page 95 THERMA V Split Type Outdoor unit 6. Performance Data 6.2.2 Combination with DHW tank Integrated type AHUW096A3 [HU091 U43] + AHNW16606B0 [HN1616T NB0]  Peak Capacity (Not included defrost effect) Outdoor LWT 30 LWT 35 LWT 40 LWT 45 LWT 50 LWT 55 Temperature 7.38...
  • Page 96 THERMA V Split Type Outdoor unit 6. Performance Data AHUW126A3 [HU121 U33] + AHNW16606B0 [HN1616T NB0]  Peak Capacity (Not included defrost effect) Outdoor LWT 30 LWT 35 LWT 40 LWT 45 LWT 50 LWT 55 Temperature 10.66 2.68 10.77 3.31 11.12 5.26...
  • Page 97 THERMA V Split Type Outdoor unit 6. Performance Data AHUW146A3 [HU141 U33] + AHNW16606B0 [HN1616T NB0]  Peak Capacity (Not included defrost effect) Outdoor LWT 30 LWT 35 LWT 40 LWT 45 LWT 50 LWT 55 Temperature 12.30 3.69 11.98 4.12 11.55 5.46...
  • Page 98 THERMA V Split Type Outdoor unit 6. Performance Data AHUW166A3 [HU161 U33] + AHNW16606B0 [HN1616T NB0]  Peak Capacity (Not included defrost effect) Outdoor LWT 30 LWT 35 LWT 40 LWT 45 LWT 50 LWT 55 Temperature 12.88 5.01 12.22 5.23 11.55 5.46...
  • Page 99 THERMA V Split Type Outdoor unit 6. Performance Data AHUW128A3 [HU123 U33] + AHNW16606B0 [HN1616T NB0]  Peak Capacity (Not included defrost effect) Outdoor LWT 30 LWT 35 LWT 40 LWT 45 LWT 50 LWT 55 Temperature 10.66 2.68 10.77 3.31 11.12 5.26...
  • Page 100 THERMA V Split Type Outdoor unit 6. Performance Data AHUW148A3 [HU143 U33] + AHNW16606B0 [HN1616T NB0]  Peak Capacity (Not included defrost effect) Outdoor LWT 30 LWT 35 LWT 40 LWT 45 LWT 50 LWT 55 Temperature 12.30 3.69 11.98 4.12 11.55 5.46...
  • Page 101 THERMA V Split Type Outdoor unit 6. Performance Data AHUW168A3 [HU163 U33] + AHNW16606B0 [HN1616T NB0]  Peak Capacity (Not included defrost effect) Outdoor LWT 30 LWT 35 LWT 40 LWT 45 LWT 50 LWT 55 Temperature 12.88 5.01 12.22 5.23 11.55 5.46...

  • Page 102: Operation Range

    THERMA V Split Type Outdoor unit 7. Operation Range Cooling Cooling (Fan coil unit) (Under floor) Leaving Water Temperature( Leaving Water Temperature( Continuous Operation Continuous Operation Operative Operative Heating Leaving Water Temperature( Continuous Operation Operative...

  • Page 103: Electric Characteristics

    THERMA V Split Type Outdoor unit 8. Electric characteristics Wiring of Main Power Supply and Equipment Capacity 1. Use a separate power supply for the Outdoor Unit and Indoor Unit. 2. Bear in mind ambient conditions (ambient temperature,direct sunlight, rain liquid,etc.) when proceeding with the wiring and connections 3.
  • Page 104 THERMA V Split Type Outdoor unit 8. Electric characteristics Outdoor Unit and Hydro Box Unit Power Supply Model Power Supply for Heater for Heat Pump Back-up Heater DHW Tank Heater Circuit Breaker (A) Phase Circuit Breaker Back-up Indoor Unit Outdoor Unit Volts Back-up Capacity...
  • Page 105 THERMA V Split Type Outdoor unit 8. Electric characteristics DHW Tank integrated Unit Power Supply Model for Electric Heater Phase Combination of Circuit Breaker Electric Heater Indoor Unit Volts Capacity (kW) Power (kW) 220-240V 1~ 230V 50Hz 16.0 50Hz AHNW16606B0 2.0+2.0 220-240V 1~ 230V 50Hz...
  • Page 106 THERMA V Split Type Outdoor unit 9. Sound Levels Note 1. Data is valid at diffuse field condition. 2. Reference acoustic intensity 0dB = 10E-6μW/m 3. Sound power level is measured on the rated condition in the reverberation rooms. Refer to the Model Specifications for nominal conditions(Power source and Ambient temperature, etc) 4.

  • Page 107: Select The Best Location

    THERMA V Split Type Outdoor unit 10. Installation 10.1 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 108: Installation Space

    THERMA V Split Type Outdoor unit 10. Installation • When installing the unit in a place that is constantly exposed to a strong wind like a coast or on a high story of a building, secure a normal fan operation by using a duct or a wind shield. 1.
  • Page 109 THERMA V Split Type Outdoor unit 10. Installation 10.4 Lifting Method • When carrying the suspended unit, pass the ropes under the unit and use the two suspension points each at the front and rear. • Always lift the unit with ropes attached at four points so that impact is not applied to the unit. •...

  • Page 110: Foundation For Installation

    THERMA V Split Type Outdoor unit 10. Installation 10.5 Installation of outdoor units 10.5.1 Foundation for Installation • Check the strength and level of the installation ground so that the unit will not cause any operating vibration ornoise after installation. •...

  • Page 111: Finishing The Job

    THERMA V Split Type Outdoor unit 10. Installation operation time for evacuation varies with tubing length and capacity of the pump. The following table shows the time required for evacuation. Required time for evacuation when 30 gal/h vacuum pump is used If tubing length is less than 10 m(33 ft) If tubing length is longer than 10 m(33 ft) 30 min.
  • Page 112 THERMA V Split Type Outdoor unit 10. Installation 10.6 Electrical Wiring 10.6.1 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 accordance with regulations and this installation manual.
  • Page 113 THERMA V Split Type Outdoor unit 10. Installation Power Cable Specification The power cord connected to the outdoor unit should be complied with IEC 60245 or HD 22.4 S4 (Rubber insulated cord, type 60245 IEC 66 or H07RN-F) 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 114 THERMA V Split Type Outdoor unit 10. Installation 10.6.2 Wiring Procedure for Power Cable and Connecting Cable 1. Disassemble the side panel from the outdoor unit by loosing screws. 2. Connect Power cable to Main Power Terminal and Connecting cable to Control Terminal, respectively. See below figure for detailed information.
  • Page 115 LG Electronics Inc, 128, Yeoui-daero, Yeongdeungpo-gu, Seoul, Korea (07336) http://partner.lge.com The air conditioners manufactured by LG have received ISO9001 certificate for quality assurance Copyright © 2017-2018 LG Electronics Inc. and ISO14001 certificate for environmental management system. All Rights Reserved. The specifications, designs, and information in this brochure are subject to change without notice.

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