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ENGLISH

www.lg.com

Ceiling Concealed Duct - High Static

Original instruction

Please read this installation manual completely before 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

P/NO : MFL68320319

Summary of Contents for ARNU09GBHA4

Page 1: ...n manual completely before 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 P NO MFL68320319 ...

Page 2: ...Spanner Half union A glass of water Screw driver Hexagonal wrench Gas leak detector Vacuum pump Gauge manifold Owner s manual Thermometer Features 3 Safety Precautions 4 Installation 7 Selection the best location 7 Ceiling opening dimension and hanging bolt location 8 Indoor Unit Installation 9 Wiring Connection 9 Checking the Drainage 10 Indoor Unit Drain Piping 11 Dip Switch Setting 13 Group Con...

Page 3: ...ccessory Air intake vents Air outlet vents Remote Controller TEMP Features Name Quantity Shape for gas pipe for liquid pipe Clamp metal 2 EA Insulation for fitting 1 SET Drain hose 1 EA Clamp Tie Wrap 8 EA Washer for hanging backet 4 EA Other Owner s manual Installation manual ...

Page 4: ...shock Install the panel and the cover of control box securely There is risk of fire or electric shock Always install a dedicated circuit and breaker Improper wiring or installation may cause fire or electric shock Use the correctly rated break er or fuse There is risk of fire or electric shock Do not modify or extend the power cable There is risk of fire or electric shock Do not let the air condit...

Page 5: ...to time when oper ating it together with a stove etc There is risk of fire or electric shock Turn the main power off when cleaning or main taining the product There is risk of electric shock Do not plug or unplug the power supply plug during operation There is risk of fire or electric shock Do not touch operate the prod uct with wet hands There is risk of fire or electrical shock Do not place a he...

Page 6: ...r damage to the plastic parts of the product Do not touch 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 anyting 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 reduc...

Page 7: ... will be good There should not be any heat source or steam near the unit Read completely then follow step by step Top view unit mm H 20 or more Front view 600 600 Front Inspection hole 600X600 Control box 1000 ENGLISH Installation Selection of the best location 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 ...

Page 8: ... dispersing of water drops etc In these cases take the following actions Make sure that the ventilation fan for smoke collecting hood on a cooking table has sufficient capacity so that it draws oily steam which should not flow into the suction of the air conditioner Make enough distance from a cooking room to install the air conditioner in such a place where it may not suck in oil steam 2 Avoid in...

Page 9: ...or unit and the terminal No are the same as those of indoor unit respectively Clamping of cables 1 Arrange 2 power cables on the control panel 2 First fasten the steel clamp with a screw to the inner boss of control panel 3 For the cooling model fix the other side of the clamp with a screw strongly For the heat pump model put the 0 75mm2 cable thinner cable on the clamp and tighten it with a plast...

Page 10: ... insulation must comply with local requirement INDOOR UNIT THERMAL INSULATION Make sure that there is no clearance here Overlap with thermal insulator for piping Thermal insulator for refrigerant pipe Local supply Thermal insulator for piping Local supply Hose crip for thermal insulator Local supply Union for liquid pipe Refrigerant pipe and thermal insulator Local supply Union for gas pipe Therma...

Page 11: ...areful not to exert extra force on the drain port on the indoor unit The outside diameter of the drain connection on the indoor unit is 32mm Be sure to install heat insulation on the drain piping Piping material Polyvinyl chloride pipe inner diometes Ø 25mm and pipe fittings Heat insulation material Polyethylene foam with thickness more than 8 mm Maintenance drain port Upward routing not allowed P...

Page 12: ...llowing troubles would be caused by voltage drop down Vibration of a magnetic switch damage on the contact point fuse breaking disturbance by the nor mal function of an overload protection device Proper starting power is not given to the compressor HAND OVER Teach the customer the operation and maintenance procedures using the operation manual air filter cleaning temperature control etc The air co...

Page 13: ...de 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 Off Off Off Off ENGLISH 2 Outdoor Unit In case that the products meet specific conditions Auto addressing function can start a...

Page 14: ...ller instead of DIP switch For the details of the setting please refer to the manual of the wireless remote controller or 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 GND Signal 12V Master Slave Slave Slave Master Display Error Mess...

Page 15: ...nits except the error units It is possible to connect indoor units since Feb 2009 It can be the cause of malfuctions when there is no setting of master and slave 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 ...

Page 16: ...resh Air Intake Unit with standard units N M 16 Because setting temperature are different Other than those it is same with Group Control 1 GND Signal 12V LGAP Network System Display Error Message FAU Master FAU Slave Master Master Master Slave FAU Standard Standard FAU FAU Standard Standard FAU FAU Fresh Air Intake Unit Standard Standard Indoor Unit or 3 Group Control 3 ...

Page 17: ...Contact and Central controller at the same time 5 In case of any error occurs at indoor unit display on the wired remote controller 6 There isnʼt limits of indoor unit function LGAP Network System Display Error Message Master Master Slave or 4 2 Remote Control Slave Master Master PZCWRC G3 Master Slave PZCWRC 2 Indoor unit 2 EA Wired remote controller PZCWRCG3 cable used for connection PZCWRC2 cab...

Page 18: ...ken 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 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 conc...

Page 19: ...38 0 36 0 34 5 32 1 30 1 26 3 22 4 18 2 160 38 2 36 1 35 0 34 6 31 1 26 8 23 3 3 30 4 40 5 50 6 60 7 70 8 80 9 90 10 100 12 120 14 140 16 160 Static Pressure mmAq Pa Unit CMM Unit CMM Setting Value 70 2 7 80 5 3 90 7 8 6 1 3 6 2 9 100 10 2 8 1 6 0 3 8 3 3 110 12 6 11 6 8 8 7 3 5 9 4 2 120 15 7 14 2 11 9 10 1 8 4 6 5 5 0 4 4 130 17 9 16 5 15 5 13 2 11 8 9 6 7 6 6 1 4 3 140 20 5 19 0 17 6 16 1 15 3 ...

Page 20: ...4 27 3 25 2 17 8 8 9 6 1 106 51 4 51 2 50 4 44 4 43 1 33 3 32 1 28 9 21 0 17 9 8 3 111 53 6 53 7 52 9 49 9 48 3 40 6 40 2 32 8 31 5 27 2 17 5 116 55 7 50 8 44 8 42 6 40 1 37 6 32 5 27 6 121 52 2 50 8 50 3 45 7 44 6 38 8 32 2 126 54 4 51 2 50 4 46 0 43 5 5 50 6 60 8 80 10 100 12 120 14 140 15 150 16 160 17 170 18 180 20 200 Static Pressure mmAq Pa ARNU28GBRA4 ARNU36GBRA4 ARNU42GBRA4 ARNU48GBRA4 ARN...

Page 21: ...tronics Inc Changwon 2nd factory 84 Wanam ro Seongsan gu Changwon si Gyeongsangnam do KOREA ARNU28GBRA4 ARNU36GBRA4 ARNU42GBRA4 ARNU48GBRA4 ARNU54GBRA4 ا ل ض غ ط ا ال س ت ا ت ي ك ي م ي ك ر و ب ا ر إ ل ى م ل ل ي م ت ر م ا ء ب س ك ا ل ق ي م ة ا ل ض ب ط 20 200 18 180 17 170 16 160 15 150 14 140 12 120 10 100 8 80 6 60 5 50 3 7 9 14 23 2 31 3 38 2 43 7 46 5 91 2 6 9 13 7 18 4 31 1 33 5 43 46 1 49 9 96...

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