LG MULTI V ARNU48GBRZ4 Manual

Indoor unit
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Indoor Unit
Fresh Air Intake Unit
MULTI V
1.List of functions
2.Specifications
3.Dimensions & Gravity Point
4.Piping Diagrams
5.Wiring Diagrams
6.Capacity Tables and Air Flow
7.External Static Pressrue(E.S.P) & Air Flow
8.Electric Characteristics
9.Sound Levels
10.Installation
Table of Contents
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Summary of Contents for LG MULTI V ARNU48GBRZ4

  • Page 1 Indoor Unit Fresh Air Intake Unit MULTI V 1.List of functions 2.Specifications 3.Dimensions & Gravity Point 4.Piping Diagrams 5.Wiring Diagrams 6.Capacity Tables and Air Flow 7.External Static Pressrue(E.S.P) & Air Flow 8.Electric Characteristics 9.Sound Levels 10.Installation...
  • Page 2: List Of Functions

    MULTI V Indoor Unit Fresh Air Intake Unit 1. List of functions Category Function ARNU48GBRZ4,ARNU76GB8Z4, ARNU96GB8Z4 Air supply outlet Airflow direction control(left & right) Airflow direction control(up & down) Auto swing(left & right) Auto swing(up & down) Air flow Airflow steps(fan/cool/heat) 2/2/2 Chaos swing Chaos wind(auto wind)
  • Page 3: Specifications

    MULTI V Indoor Unit Fresh Air Intake Unit 2. Specifications Type Fresh Air Intake Unit Model Unit ARNU48GBRZ4 14.1 Cooling Capacity kcal/h 12,100 Btu/h 48,100 13.5 Heating Capacity kcal/h 11,620 Btu/h 46,115 Power Input (H / M / L) 169 / 126 / 126 Casing Galvanized Steel Plate 1,230 x 380 x 590...
  • Page 4 MULTI V Indoor Unit Fresh Air Intake Unit 2. Specifications Type Fresh Air Intake Unit Model Unit ARNU76GB8Z4 ARNU96GB8Z4 22.4 Cooling Capacity kcal/h 19,300 24,100 Btu/h 76,400 95,900 21.4 26.7 Heating Capacity kcal/h 18,410 23,000 Btu/h 73,080 91,360 Power Input (H / M / L) 230 / 200 / 200 360 / 230 / 230 Casing...
  • Page 5 MULTI V Indoor Unit Fresh Air Intake Unit 3. Dimensions & Gravity point ARNU48GBRZ4...
  • Page 6 MULTI V Indoor Unit Fresh Air Intake Unit 3. Dimensions & Gravity point ARNU76GB8Z4 / ARNU96GB8Z4...
  • Page 7: Piping Diagrams

    MULTI V Indoor Unit Fresh Air Intake Unit 4. Piping Diagrams Filter Cooling Heating Heat Exchanger Filter Sirocco Fan Distributor Solenoid Valve Check Valve Filter Capillary Tube Fresh Air Intake Unit  Refrigerant pipe connection port diameter Liquid Model [mm(inch)] [mm(inch)] ARNU48GBRZ4 Ø15.88(5/8)
  • Page 8: Wiring Diagrams

    MULTI V Indoor Unit Fresh Air Intake Unit 5. Wiring Diagrams BR Chassis...
  • Page 9 MULTI V Indoor Unit Fresh Air Intake Unit 5. Wiring Diagrams B8 Chassis...
  • Page 10 MULTI V Indoor Unit Fresh Air Intake Unit 6. Capacity tables and air flow 6.1 Capacity tables ARNU48GBRZ4  Cooling 59 WB 63 WB 69 WB 73 WB 79 WB 82 WB 86 WB 90 WB 95 WB 100 WB Outdoor air temperature 15 WB...
  • Page 11 MULTI V Indoor Unit Fresh Air Intake Unit 6. Capacity tables and air flow ARNU76GB8Z4  Cooling 59 WB 63 WB 69 WB 73 WB 79 WB 82 WB 86 WB 90 WB 95 WB 100 WB Outdoor air temperature 15 WB 17 WB 20 WB...
  • Page 12 MULTI V Indoor Unit Fresh Air Intake Unit 6. Capacity tables and air flow ARNU96GB8Z4  Cooling 59 WB 63 WB 69 WB 73 WB 79 WB 82 WB 86 WB 90 WB 95 WB 100 WB Outdoor air temperature 15 WB 17 WB 20 WB...
  • Page 13 MULTI V Indoor Unit Fresh Air Intake Unit 6. Capacity tables and air flow 6.2 Air Flow ARNU48GBRZ4 ESP (mmAq) Setting Value 15.8 18.7 16.0 22.2 19.9 13.6 24.2 23.4 17.8 25.2 24.1 19.6 26.8 25.5 21.9 15.9 28.1 27.0 22.8 18.2 10.6...
  • Page 14 MULTI V Indoor Unit Fresh Air Intake Unit 7. External Static Pressure(E.S.P) & Air Flow  ARNU48GBRZ4 Lower Limit of External Upper Limit of External Standard ESP Capacity Mode Set value Static Static (Btu/h) (mmAq(Pa)) Pressure(mmAq(Pa)) Pressure(mmAq(Pa)) High 18.8 High 10(98) 20(196) (factory set)
  • Page 15: Electric Characteristics

    MULTI V Indoor Unit Fresh Air Intake Unit 8. Electric Characteristics Units PowerSupply Model Type volts VoltageRange Cooling Heating ARNU48GBRZ4 0.20 0.78 Max: 264 ARNU76GB8Z4 220-240 0.38 1.36 Min: 198 ARNU96GB8Z4 0.38 2.15 ARNU48GBRZ4 0.20 0.78 Max: 242 ARNU76GB8Z4 0.38 1.36 Min: 198 ARNU96GB8Z4...
  • Page 16 MULTI V Indoor Unit Fresh Air Intake Unit 9. Sound Levels 9.1 Sound Pressure Levels Overall Note 1.Sound measured at some distance away from the center of the unit. DISCHARGE SUCTION 2.Data is valid at free field condition. 3.Reference accoustic pressure 0dB = 20μPa. DUCT DUCT 4.Data is valid at nominal operation condition.
  • Page 17 MULTI V Indoor Unit Fresh Air Intake Unit 9. Sound Levels 9.2 Sound Power Levels Note • Data is valid at diffuse field condition • Data is valid at nominal operating condition • Sound level can be increased in static pressure mode or used air guide. •...
  • Page 18: Operation Details

    MULTI V Indoor Unit Fresh Air Intake Unit 10. Operation Details  Operation range FAU will operate in the below range. Hot outdoor temperature (over 43 ) or cold outdoor temperature (under -5 ) will make customer feel uncomfortable because FAU outlet discharge temperature might be not enough controlled in that region. * FAU : Fresh Air Intake Unit Outdoor Air Temperature (Toa) ℃...
  • Page 19 MULTI V Indoor Unit Fresh Air Intake Unit 11. Installation • Please read the instruction sheets completely before installing the product. • When the power cord is damaged, replacement work shall be performed by authorized personnel only. • Installation work must be performed in accordance with the national wiring standards. •...
  • Page 20 MULTI V Indoor Unit Fresh Air Intake Unit 11. Installation 11.1 Installation Limit Read completely, then follow step by step. 1. Fresh Air Intake Unit Combination Connection Condition Combination 1.The total capacity of Fresh Air Intake Unit should be 50~100% Only Fresh Air Intake Unit of outdoor unit.
  • Page 21: Intake Air Duct

    MULTI V Indoor Unit Fresh Air Intake Unit 11. Installation 3. Installation of intake air duct Min. 2m ⓒ ⓑ ⓐ 1/30 Slope Outlet Air ⓓ ⓔ Exhaust air Inlet Hood Inlet Hood should be installed such that no water enter inside the unit Intake Air Duct The Intake Air Duct must have down-slope about 1/30.
  • Page 22 ZONE 2 5. Cycle check and SVC • For Fresh Intake Unit cycle check and SVC, LG MV 5.8 or later version should be used. 11.2 Selection of the best location • The place where room air circulation is good.
  • Page 23 MULTI V Indoor Unit Fresh Air Intake Unit 11. Installation • Make sure that ventilation fan is enough to cover all noxious gases from this place. • Ensure enough distance from the cooking room to install the air conditioner in such a place where it may not suck oily steam.
  • Page 24 MULTI V Indoor Unit Fresh Air Intake Unit 11. Installation CAUTION In case that the unit is installed near the sea, the installation parts may be corroded by salt, The installation parts (and the unit) should be taken appropriate anti-corrosion measures.
  • Page 25: Installation Of Unit

    MULTI V Indoor Unit Fresh Air Intake Unit 11. Installation 11.3 Ceiling dimension and hanging bolt location Installation of Unit Install the unit above the ceiling correctly. BR Chassis (48k) B8 Chassis (76/96k) Drainage hole Dimension (mm) Capacity(Btu/h) 1282 1230 1006 BR Chassis(48k) Dimension (mm)
  • Page 26 MULTI V Indoor Unit Fresh Air Intake Unit 11. Installation Ceiling Level gauge ※ According to type of indoor unit, external appearance could be different. 1. The dimensions of the paper model for installation are the same as those of the ceiling opening dimensions. 2.
  • Page 27: Wiring Connection

    MULTI V Indoor Unit Fresh Air Intake Unit 11. Installation 11.4 Wiring Connection 11.4.1 General instructions • All field supplied parts and materials, electric works must conform to local codes. Use copper wire only. • Follow the "WIRING DIAGRAM” attached to the unit body to wire the outdoor unit, indoor units and the remote controller.
  • Page 28: Wired Remote Controller Installation

    MULTI V Indoor Unit Fresh Air Intake Unit 11. Installation WARNING • Make sure that the screws of the terminal are fixed tightly. • The screw which fasten the wiring in the casing of electrical fittings are liable to come loose from vibrations to which the unit is subjected during the course of transportation.
  • Page 29: Connecting The Refrigerant Piping

    MULTI V Indoor Unit Fresh Air Intake Unit 11. Installation 11.5 Connecting the refrigerant piping Refrigerant piping work To detail information for connecting the refrigerant pipes, please refer to the installation manual included withproduct. Piping insulation work • Perform heat insulation work completely on both gas and the liquid pipe. Because improper insulation will result condensate formation over pipe.
  • Page 30 MULTI V Indoor Unit Fresh Air Intake Unit 11. Installation CAUTION 1. Install declination of the indoor unit is very important for the drain of the duct type air conditioner. 2. Minimum thickness of the insulation for the connecting pipe shall be 5mm. Front of view •...
  • Page 31 MULTI V Indoor Unit Fresh Air Intake Unit 11. Installation 11.6.2 Drain pipe connection without drain pump • Drain piping must have down-slope (1/50 to 1/100). Be sure not to provide up-and-down slope to prevent reversal flow. • During drain piping connection, be careful not to exert force on the drain port on the indoor unit. •...
  • Page 32 MULTI V Indoor Unit Fresh Air Intake Unit 11. Installation 11.6.3 Method of Drainage test  Drainage test of indoor unit Use the following procedure to test the drainage. 1.In case that there are air filter, remove the air filter first. 2.Spray one or two glasses of water on the evaporator.
  • Page 33 MULTI V Indoor Unit Fresh Air Intake Unit 11. Installation 11.6.5 Ground drain piping • It is standard work practice to make connections to the main pipe from above. The pipe down from the combination should be as large as possible. •...

This manual is also suitable for:

Multi v arnu76gb8z4Multi v arnu96gb8z4

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