LG MULTI V JRNU48GBGA4 Installation Manual Download Page 1 | Manualshive

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CEILING CONCEALED DUCT - HIGH STATIC

INSTALLATION MANUAL

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.

ENGLISH

P/No.: MFL66302102_v0

www.lg.com/in

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Summary of Contents for MULTI V JRNU48GBGA4

Page 1: ...nstallationmanualcompletelybeforeinstallingtheproduct Installationworkmustbeperformedinaccordancewiththenationalwiringstandards byauthorizedpersonnelonly Pleaseretainthisinstallationmanualforfuturereferenceafterreadingitthoroughly ENGLISH P No MFL66302102_v0 www lg com in ...

Page 2: ...depending on model No qSpanner Half union qA glass of water qScrew driver qHexagonal wrench qGas leak detector qVacuum pump qGauge manifold qOwner s manual qThermometer Features 3 Safety Precautions 4 Installation Selection the best location 7 Ceiling opening dimension and hanging bolt location 8 Indoor Unit Installation 9 Wiring Connection 9 Checking the Drainage 10 Installation of Remote con tro...

Page 3: ...roller Air intake vents Air outlet vents Features Name Quantity Shape for gas pipe for liquid pipe Clamp metal 1 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 ENGLISH ...

Page 4: ...the possibility of injury or damage to properties only Be sure not to do Be sure to follow the instruction Installation Do not use a defective or underrated circuit breaker Use this appliance on a dedi cated 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 T...

Page 5: ... case edges and the fins on the condenser and evapo rator For installation always con tact the dealer or an Authorized Service Center There is risk of fire electric shock explosion or injury Do not install the product on a defective installation stand It may cause injury accident or damage to the product Be sure the installation area does not deteriorate with age If the base collapses the air cond...

Page 6: ...s Use two or more people to lift and transport the product Avoid personal injury Do not install the product where it will be exposed to sea wind salt spray directly It may cause corrosion on the product Corrosion particularly on the condenser and evapora tor fins could cause product malfunction or inefficient opera tion 90º If you eat the liquid from the batteries brush your teeth and see doctor D...

Page 7: ...at source or steam near the unit Read completely then follow step by step Top view unit mm Front view H 600 600 Front Inspection hole 600X600 Control box 1000 Installation Selection of the best location 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 Minimu...

Page 8: ...ersing 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 install...

Page 9: ... 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 plastic clamp to the...

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: ... fittings The air conditioner uses a drain pump to drain water Use the following procedure to test the drain pump operation Connect the main drain pipe to the exterior and leave it pro visionally until the test comes to an end Feed water to the flexible drain hose and check the piping for leakage Be sure to check the drain pump for normal operation and noise when electrical wiring is complete When...

Page 12: ...gnetic 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 WIRED REMOTE CONTROLLER INSTALLATION Since the room temperature sensor is in the ...

Page 13: ...s Please set up remote controller board fit to the reclamation box if there is a reclamation box 2 Can set up Wired remote controller cable into three directions Setup direction the surface of wall reclamation upper right If setting up remote controller cable into upper and right side please set up after removing remote controller cable guide groove Remove guide groove with long nose Reclamation t...

Page 14: ...g holes Please individually separate one at a time Please be careful not to damage the inside components when separating 4 Please connect indoor unit and remote controller using connection cable Please check if connector is normally connected Connecting cable Indoor Unit side When installing the wired remote controller do not bury it in the wall It can cause damage in the temperature sensor Do not...

Page 15: ...tomatically gets out of setup mode if there is no button input for 25 seconds When exiting without pressing set button the manipulated value is not reflected The function of 2TH has different operation characteristics according to the product Temperature sensor selection Function 01 Remote controller Operation in remote controller temperature sensor 02 Indoor unit Operation in indoor unit temperat...

Page 16: ...ode ESP code ESP value If pressing button long for 3 seconds it enters into remote controller setter setup mode If pressing once shortly it enters into user setup mode Please press more than 3 seconds for sure 1 Function Code ESP value ESP step If you set ESP incorrectly the air conditioner may malfunction This setting must be carried out by a certificated technician This is the function that deci...

Page 17: ...5 Setting Value 32 01 32 02 32 03 32 04 32 05 32 06 32 07 32 08 32 09 32 10 32 11 JRNU76GB8A4 LOW 50 0 71 74 77 80 83 87 91 95 98 100 102 MID 50 0 71 74 77 80 83 87 91 95 98 100 102 HIGH 60 0 74 77 80 83 86 90 94 98 102 103 105 JRNU96GB8A4 LOW 64 0 78 81 84 87 89 94 97 100 102 102 102 MID 64 0 78 81 84 87 89 94 97 100 102 102 102 HIGH 72 0 83 86 89 92 94 97 100 103 105 105 105 Model Step CMM Stati...

Page 18: ...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 JRNU54GBRA4 Unit CMM JRNU76GB8A4 JRNU96GB8A4 Unit CMM Unit CMM Setting Value Static Pressure mmAq Pa 3 29 4 39 5 49 6 59 9 88 12 118 15 147 18 177 20 196...

Page 19: ...on selection Etc N A Default N A Default Selection of Master or Slave Selection of Dry Contact Mode Fan continuous operation N A Selection of Ventilator link age 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 Aut...

Page 20: ...P No MFL66302102_v0 MFL66302102 ...

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