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LG ARNU24GTYA4, Installation Manual, Page: 30 / 33

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30

Indoor Unit

Installation

Indoor unit 2 EA + Wired remote controller 1 EA

Indoor unit 1 EA + Wired remote controller 2 EA

h

PZCWRCG3 cable used for connection

h

PZCWRC2 cable used for connection

Slave

Master

Master

PZCWRCG3

Master

Slave

PZCWRC2

CAUTION

• Apply totally enclosed noncombustible conduit in case of local building code Requiring

plenum cable usage.

!

5. Accessories for group control setting

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

Summary of Contents for ARNU24GTYA4

Page 1: ...efore installing the product Installation work must be performed in accordance with the national wiring standards by authorized personnel only Please retain this installation manual for future reference after reading it thoroughly INSTALLATION MANUAL AIR CONDITIONER www lg com MFL68686515 Rev 03_062520 Copyright 2017 2020 LG Electronics Inc All Rights Reserved РУССКИЙ ЯЗЫК УКРАÏНСЬКА ҚАЗАҚ ТІЛІ БЕ...

Page 2: ...hanging bolt location 17 Wiring Connection 20 Installation of Decoration Panel 4 Way 21 Installation of Decoration Panel 2 Way 22 Installation of Decoration Panel 1 Way 23 Drain Piping 24 Ceiling Height Selection 25 DIP Switch Setting 26 Group Control Setting 31 Model Designation 31 Airborne Noise Emission 31 Limiting concentration TABLE OF CONTENTS ...

Page 3: ...ccessory Air Intake Air Intake Air Outlet Air Outlet Air Outlet Air Intake Wired Remote Controller Accessory Air filter Air Intake Wired Remote Controller Accessory Air filter Air Outlet Installation Parts Name Quantity Shape Clamp metal 2 EA Drain hose 1 EA for gas pipe for liquid pipe Insulation for fitting 1 SET 8 EA Washer for hanging Bracket Clamp Tie Wrap 4 EA Screws for fixing panels are at...

Page 4: ...arefully This symbol indicates that a service personnel should be handling this equipment with reference to the Installation Manual The following safety guidelines are intended to prevent unforeseen risks or damage from unsafe or incorrect operation of the appliance The guidelines are separated into WARNING and CAUTION as described below WARNING This indicates that the failure to follow the instru...

Page 5: ...e or re install the unit by yourself customer There is risk of fire electric shock explosion or injury Be cautious when unpacking and installing the product Sharp edges could cause injury Be especially careful of the case edges and the fins on the condenser and evaporator For installation always contact the dealer or an Authorized Service Center There is risk of fire electric shock explosion or in...

Page 6: ...e stored in a well ventilated area where the room size corresponds to the room area as specified for operation for R32 The appliance shall be stored in a room without continuously operating ignition sources for example open flames an operating gas appliance or an operating electric heater Keep any required ventilation openings clear of obstruction Mechanical connections shall be accessible for mai...

Page 7: ... 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 disconnect the power supply cable There is risk of electric shock or fire Stop operation and close the window in storm or hurricane I...

Page 8: ...This could result in personal injury and product damage When mechanical connectors are reused indoors sealing parts shall be renewed for R32 When flared joints are reused indoors the flare part shall 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 clea...

Page 9: ...ty which authorises their competence to handle refrigerants safely in accordance with an industry recognised assessment specification for R32 The appliance shall be stored so as to prevent mechanical damage from occurring Refrigerant tubing shall be protected or enclosed to avoid damage Flexible refrigerant connectors such as connecting lines between the indoor and outdoor unit that may be displac...

Page 10: ... the metal parts of the product when removing the air filter They are very sharp There is risk of personal injury Do not step on or put anything on the product outdoor units There is risk of personal injury and failure of product Always insert the filter securely Clean the filter every two weeks or more often if necessary A dirty filter reduces the efficiency of the air conditioner and could cause...

Page 11: ...eaked The chemicals in batteries could cause burns or other health hazards If you eat the liquid from the batteries brush your teeth and see doctor Do not use the remote if the batteries have leaked The chemicals in batteries could cause burns or other health hazards Servicing shall only be performed as recommended by the equipment manufacturer Maintenance and repair requiring the assistance of ot...

Page 12: ...00 or less 1 000 or more 500 or more 10 or more 500 or more 300 or less Floor F F F F 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 h Please use an annexed sheet or the corrugated cardboard on the bottom of packing as installation sheet h When using the b...

Page 13: ... 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 14: ...The dimensions of the paper model for installation are the same as those of the ceiling opening dimensions Unit mm TT Chassis TU Chassis 1 285 Hanging bolt 1 385 Ceiling opening 50 250 600 50 466 Ceiling opening 1 180 448 600 250 965 Hanging bolt 1 065 Ceiling opening 50 50 860 448 306 400 40 40 400 40 40 306 354 Hanging bolt 466 Ceiling opening 354 Hanging bolt 410 Hanging bolt 600 116 642 Ceilin...

Page 15: ... air conditioner in such places where cooking oil or iron powder is generated 3 Avoid places where inflammable gas is generated 4 Avoid place where noxious gas is generated 5 Avoid places near high frequency generators NOTICE CAUTION This air conditioner uses a drain pump Install the unit horizontally using a level gauge During the installation care should be taken not to damage electric wires Sel...

Page 16: ...paper pattern Air Conditioner body Ceiling board Ceiling board Ceiling board Keep the length of the bolt from the bracket to 40 mm Set screw of paper model 4 pieces Paper model for installation Ceiling board 105 mm TM TM A TN TP TP B chassis 180 mm TQ TR chassis Ceiling board Ceiling Keep the length of the bolt from the bracket to 40 mm Open the ceiling board along the outer edge of the paper mode...

Page 17: ...outdoor unit connection Ensure that the color of the wires of outdoor unit and the terminal No are the same as those of indoor unit respectively Wiring Connection CAUTION Tighten the nut and bolt to prevent the unit from falling When mechanical connectors are reused indoors sealing parts shall be renewed for R32 When flared joints are reused indoors the flare part shall be re fabricated for R32 Wh...

Page 18: ...Indoor 1 L 2 N 3 4 INDOOR POWER INPUT A B A B A B GND 12 V DRY2 DRY1 INTERNET Terminal Block of outdoor unit IDU SODU Outdoor Unit TM A TP B B4 Chassis COMMUNICATION LINE IDU ODU Terminal Block Indoor L L1 N L2 A B A B GND 12 V DRY2 DRY1 Terminal Block of outdoor unit IDU SODU Outdoor Unit Terminal Block Indoor 3 A 4 B TM A A4 Chassis COMMUNICATION LINE IDU ODU Terminal Block Indoor L L1 N L2 INDO...

Page 19: ...sufficient 6 Be sure that the starting voltage is maintained at more than 90 of the rated voltage marked on the name plate 7 Confirm that the cable thickness is as specified in the power sources specification Particularly note the relation between cable length and thickness 8 Do not install the leakage breaker in a place which is wet or moist Water or moist may cause short circuit 9 The following ...

Page 20: ...e air inlet grille including the air filter The decoration panel has its installation direction Before installing the decoration panel always remove the paper template Air conditioner unit Ceiling board Decoration panel Decoration panel Fit the insulator this part and be careful for cool air leakage Good example Air Cool air leakage no good Bad example Ceiling board Air conditioner unit CAUTION In...

Page 21: ...ter drops fall 1 Temporarily fix two decoration panel fixing screws hexagon M5 screw on the unit body Tighten by amount 10 mm in length The fixing screws hexagon M5 screw are included the indoor unit box 2 Remove the air inlet grille from the decoration panel Remove the hook for the air inlet grille cord 3 Hook the decoration panel key hole on the screws fixed in step above and slide the panel so ...

Page 22: ...er Decorative panel fixing screws hexagon M6 screws tightening about 20 mm Air inlet panel Air outlet vane Plasma filter applied only to plasma model Mesh Control box cover Decorative panel Decorative panel fixing screws hexagon M6 screws tightening about 20 mm Air inlet grille Air outlet vane The decoration panel has its installation direction Before installing the decoration panel always remove ...

Page 23: ... the flexible drain hose and check the piping for leakage Be sure to check the drain pump for normal operating and noise when electrical wiring is complete When the test is complete connect the flexible drain hose to the drain port on the indoor unit Heat insulation material Polyethylene foam with thickness more than 8 mm Drain test Maintenance drain port Upward routing not allowed Pipe clamp Indo...

Page 24: ...Way 4 Way 4 Way Round 1 8 2 0 m 2 0 2 3 m 2 5 2 7 m Decrease the indoor airflow rate 1 step from standard level 2 0 2 4 m 2 3 2 7 m 2 7 3 2 m Set the indoor airflow rate as standard level 2 4 2 8 m 2 7 3 1 m 3 2 3 6 m Increase indoor airflow rate 1 step from standard level 2 8 3 3 m 3 1 3 6 m 3 6 4 2 m Increase indoor airflow rate 2 steps from standard level 1 Possible drain head height is up to 7...

Page 25: ...ion tropical region Spare Master Wired Wireless remote controller Selection of Manual or Auto operation Mode Continuous operation Removal Linkage Removal Up side Down side Vane General model Slave Auto Working Up side Vane Only Tropical model Off Off Off Off Off Off Off Off 2 Outdoor Unit 1 Indoor Unit In case that the products meet specific conditions Auto addressing function can start automatica...

Page 26: ...ssible 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 recognize Dry Contact and Cen...

Page 27: ...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 28: ...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 29: ...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 30: ...3 cable used for connection h PZCWRC2 cable used for connection Slave Master Master PZCWRCG3 Master Slave PZCWRC2 CAUTION Apply totally enclosed noncombustible conduit in case of local building code Requiring plenum cable usage 5 Accessories for group control setting It is possible to set group control by using below accessories ...

Page 31: ...t of Freon gas concentration where immediate measures can be taken without 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...

Page 32: ...32 Indoor Unit ...

Page 33: ...Eco design requirement The information for Eco design is available on the following free access website https www lg com global support cedoc cedoc ...

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