LG ARNU09GQAA4 Installation Manual Download Page 28

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Indoor Unit

Installation

Indoor unit 2 EA +Wired remote controller

Indoor unit 1 EA +Wired remote controller 2 EA

PZCWRCG3 cable used for connection

PZCWRC2 cable used for connection

Slave

Master

PZCWRCG3

Master

Slave

PZCWRC2

5. Accessories for group control setting

It is possible to set group control by using below accessories.

Apply totally enclosed noncombustible conduit in case of local building code
Requiring plenum cable usage.

CAUTION

Summary of Contents for ARNU09GQAA4

Page 1: ... Electronics Inc EU Representative LG Electronics European Shared Service Center B V Krijgsman 1 1186 DM Amstelveen The Netherlands Manufacturer LG Electronics Inc Changwon 2nd factory 84 Wanam ro Seongsan gu Changwon si Gyeongsangnam do KOREA INSTALLATION MANUAL AIR CONDITIONER MFL67798139 Rev 00_041619 www lg com Copyright 2017 2019 LG Electronics Inc All Rights Reserved ENGLISH РУССКИЙ ЯЗЫК УКР...

Page 2: ...0 INSTALLATION 10 Selection of the Best Location 12 Indoor unit installation 18 Flaring Work 19 Connecting the Piping 21 Wiring Connection 22 DIP Switch Setting 24 Group Control Setting 29 Model Designation 29 Airborne Noise Emission 29 Limiting concentration TABLE OF CONTENTS ...

Page 3: ...filter Air outlet Air inlet Remote Controller Accessory Installation Parts Name Quantity Shape Allergy Filter Fixing screw for Installation Plate 4 25 mm 5 EA Wood screw for indoor fixation 6 EA Owner s Manual Installation Manual Installation Plate 1 EA Other Drain Hose 1 EA Clamp Tie wrap 4 EA Installation Parts ENGLISH ...

Page 4: ...r Use this appliance on a dedicated circuit There is risk of fire or electric shock For electrical work contact the dealer seller a qualified electrician or an Authorized Service Center Do not disassemble or repair the product There is risk of fire or electric shock Always ground the product There is risk of fire or electric shock Install the panel and the cover of control box securely There is ri...

Page 5: ... gas when doing leakage test or air purge Do not compress air or Oxygen and Do not use Flammable gases Otherwise it may cause fire or explosion There is the risk of death injury fire or explosion Have all electric work done by a licensed electrician according to Electric Facility Engineering Standard and Interior Wire Regulations and the instructions given in this manual and always use a special c...

Page 6: ...is risk of fire or failure of product Do not use the product in a tightly closed space for a long time Oxygen deficiency could occur When flammable gas leaks turn off the gas and open a window for ventilation before turn the product on Do not use the telephone or turn switches on or off There is risk of explosion or fire If strange sounds smell or smoke comes from product Turn the breaker off or d...

Page 7: ...be re fabricated for R32 Periodic more than once year cleaning of the dust or salt particles stuck on the heat exchanger by using water Do not use means to accelerate the defrosting process or to clean other than those recommended by the manufacturer Do not pierce or burn refrigerant cycle part Be aware that refrigerants may not contain an odour Installation Always check for gas refrigerant leakag...

Page 8: ...t mechanical damage The installation of pipe work shall be kept to a minimum Pipe work shall be protected from physical damage A brazed welded or mechanical connection shall be made before opening the valves to permit refrigerant to flow between the refrigerating system parts Dismantling the unit treatment of the refrigerant oil and eventual parts should be done in accordance with local and nation...

Page 9: ...f batteries There is risk of fire or explosion Do not recharge or disassemble the batteries Do not dispose of batteries in a fire They may burn or explode If the liquid from the batteries gets onto your skin or clothes wash it well with clean water Do not use the remote if the batteries have leaked The chemicals in batteries could cause burns or other health hazards If you eat the liquid from the ...

Page 10: ...nstall the unit near the door way Ensure the spaces indicated by arrows from the wall ceiling or other obstacles The indoor unit must have the maintenance space Read completely then follow step by step More than 300 250 or below from the Floor More than 300 More than 300 Unit mm Installation Selection of the Best Location In case that the unit is installed near the sea the installation parts may b...

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

Page 12: ...the front panel while pulling it forward 2 Preparation For Moldings Side Piping and Concealed Installation 2 1 For Moldings 1 Remove the slit portions on the Rear Panel 2 2 For Concealed Installation 1 Remove the 6 screws 2 Remove the Upper Deco cover 3 Remove the Side Deco covers 2 3 For Side Piping Reference 2 2 1 Remove the Deco Covers 2 Remove the slit portions 3 Assemble the Deco Covers Remov...

Page 13: ...icated by symbol in the illustration as below Unit mm 45 90 75 Left bottom piping Right bottom piping Left right piping Right back piping 60 40 50 Wall 45 90 75 Left back piping Right back piping 45 3 Refrigerant Piping The suggested shortest pipe length is 5 m in order to avoid noise from the outdoor unit and vibration NOTICE ENGLISH Installation ...

Page 14: ...in pipe should be inclined downward so that water will flow smoothly without any accumulation NOTICE Do not raise Accumulated drain water Tip of drain hose dipped in water Air Waving Water leakage Water leakage Ditch Less than 50 mm gap Water leakage Drill the piping hole with a Ø 7 0mm hole core drill Drill the piping hole at either the right or the left with the hole slightly slanted to the outd...

Page 15: ... on the Wall 1 Fix up the installation plate using 5 screws and the indoor unit using 4 screws 2 The installation plate should be fixed on a wall which can support the weight of the indoor unit 6 screw M4 25L 64 159 700 Unit mm 26 647 180 140 600 574 170 170 210 30 5 30 5 140 160 Installation Plate Molding 4 screw M 25L ENGLISH Installation ...

Page 16: ...n be fixed with screws at the points shown in the Fig 2 Be sure to install the supplemental plate in accordance with the depth of the inner wall 670 45 585 200 150 Wall Hole Supplemental plate Field supply 200 150 95 Supplemental plate Field supply 647 170 140 170 140 Unit mm 1 Normal concealed 2 Deep concealed Unit mm Fig 1 Fig 2 Installation 16 Indoor Unit ...

Page 17: ...to the Wall hole 3 Secure using 6 screws shown in the illustration Check the horizon of Indoor unit with the wall Please use the leveler on the drain pan guide Wall Wall 75 50 35 75 Left bottom piping Left pipng 45 50 Unit mm Right bottom piping NOTICE Less than 5 mm Less than 5 mm Less than 5 mm Leveler Drain pan ENGLISH Installation ...

Page 18: ...emove flare nuts attached to indoor and outdoor unit then put them on pipe tube having completed burr removal not possible to put them on after finishing flare work Flaring work 1 Firmly hold copper pipe in a bar with the dimension shown in below table table below 2 Carry out flaring work with the flaring tool Copper pipe 90 Slanted Uneven Rough Pipe Reamer Point down Flare nut Copper tube Bar Cop...

Page 19: ...the Sensor Link 6 After connecting check the pipe arrangement as per illustration 7 The piping can be arranged in six ways as shown in the illustration below Connecting the Piping 3 1 2 6 5 4 Pipe Guide Pipe Guide Connecting Pipe must be placed inner than the pipe guide Connecting Connecting Pipe Pipe Connecting Pipe 6 7 8 1 2 4 5 3 ENGLISH Installation In case of The pipe banding can be used in h...

Page 20: ...pe sufficient enough to cover where they fit into the rear piping housing section mm inch kgf m Ø 6 35 1 4 1 8 2 5 Ø 9 52 3 8 3 4 4 2 Ø 12 7 1 2 5 5 6 5 Ø 15 88 5 8 6 3 8 2 Ø 19 05 3 4 9 9 12 1 Outside diameter Torque Insulation material Vinyl tape narrow Connection pipe Connecting cable Vinyl tape wide Wrap with vinyl tape Indoor unit pipe Pipe Wrap with vinyl tape Drain hose Pipe Vinyl tape wide...

Page 21: ...e 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 Check them and make sure that they are all tightly fastened If they are loose it could give rise to burn out of the wires 4 Confirm the Specification of power source 5 Confirm that electrical capacity is sufficient 6 Be sure that the starting vol...

Page 22: ...r or Slave Selection of Dry Contact Mode Fan continuous operation N A Selection of Ventilator linkage Selection of up down side Vane Selection tropical region Spare Master Wired Wireless remote controller Selection of Manual or Auto operation Mode Continuous operation Removall Linkage Removal Up side Down side Vane General model Slave Auto Working Up side Vane Only Tropical model Off Off Off Off O...

Page 23: ... function can start automatically with the improved speed by turning the DIP switch 3 of the outdoor unit and resetting the power Specific conditions All names of the indoor units are ARNU 4 The serial number of Multi V super IV outdoor units is after October 2013 DIP switch 7 segment Outdoor Unit PCB Outdoor Unit DIP Switch ...

Page 24: ... controller 1 It is possible to 16 indoor units Max by one wired remote controller Set only one indoor unit to Master set the others to Slave 2 It is possible to connect with every type of indoor units 3 It is possible to use wireless remote controller at the same time 4 It is possible to connect with Dry Contact and Central controller at the same time The Master indoor unit is possible to recogni...

Page 25: ...f master and slave h In case of Group Control it is possible to use following functions Selection of operation stop or mode Temperature setting and room temperature check Current time change Control of flow rate High Middle Low Reservation settings It is not possible to use some functions h It is possible to control 16 indoor units Max with the master wired remote control h Other than those it is ...

Page 26: ...AU Standard Standard FAU FAU Fresh Air Intake Unit Standard Standard Indoor Unit h In case of connecting with standard indoor unit and Fresh Air Intake Unit separate Fresh Air Intake Unit with standard units N M 16 Because setting temperature are different h Other than those it is same with Group Control 1 3 Group Control 3 n Mixture connection with indoor units and Fresh Air Intake Unit ...

Page 27: ...ne indoor unit to Master set the others to Slave Set only one wired remote controller to Master set the others to Slave 2 Every types of indoor unit is possible to connect two remote controller 3 It is possible to use wireless remote controller at the same time 4 It is possible to connect with Dry Contact and Central controller at the same time 5 In case that any error occurs at indoor unit the er...

Page 28: ...cable used for connection h PZCWRC2 cable used for connection Slave Master Master PZCWRCG3 Master Slave PZCWRC2 5 Accessories for group control setting It is possible to set group control by using below accessories Apply totally enclosed noncombustible conduit in case of local building code Requiring plenum cable usage CAUTION ...

Page 29: ...hout hurting human body when refrigerant leaks in the air The limiting concentration shall be described in the unit of kg m3 Freon gas weight per unit air volume for facilitating calculation n Calculate refrigerant concentration Refrigerant concentration Total amount of replenished refrigerant in refrigerant facility kg Capacity of smallest room where indoor unit is installed m3 Limiting concentra...

Page 30: ...30 Indoor Unit ...

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