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INSTALLATION MANUAL

AIR CONDITIONER

• 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.

P/NO : MFL65003102

www.lg.com

TYPE: Vertical Air Handling Unit

ENGLISH

FRANÇAIS

ESP
A

ÑOL

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Summary of Contents for MFL65003102

Page 1: ...ng 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 P NO MFL65003102 www lg com TYPE Vertical Air Handling Unit ENGLISH FRANÇAIS ESPAÑOL ...

Page 2: ...2 Vertical Air Handling Unit ...

Page 3: ...n 8 Upflow Installation 9 Duct work 10 Horizontal left Installation 11 Connecting Pipes to the Indoor Unit 12 Preparation of Piping 12 Insulation 15 Condensate Drain 16 Wiring Connection 18 Installation of Wired Remote Controller 20 Name and function of wired remote controller Accessory 22 Name and function of wireless remote controller Accessory 23 Electric Heater 24 Dip Switch Setting of Indoor ...

Page 4: ...n Filter access Drain connections for upflow application Feature Accessories Accessory Model Name Wired remote controller PQRCVSL0 Black Color PQRCVSL0QW White Color Wireless remote controller PQWRCDF0 Heat pump PQWRHDF0 Cooling only Electric heater ANEH053B1 ANEH103B2 ANEH153B2 ANEH203B2 4 Vertical Air Handling Unit Features ...

Page 5: ...gerant Connections Pipe size A B C D E F G H I J Height Width Depth Power Commu nication Liquid Gas 18 1 5 48 5 8 1236 18 457 21 3 8 540 1 9 16 40 17 1 2 445 20 530 17 432 12 1 8 308 1 11 16 43 7 8 22 1 4 6 35 1 2 12 7 24 2 0 30 2 5 36 3 0 48 5 8 1236 18 457 21 3 8 540 1 9 16 40 17 1 2 445 20 530 17 432 12 1 8 308 1 11 16 43 7 8 22 3 8 9 52 5 8 15 88 42 3 5 48 4 0 54 4 5 55 1 8 1401 25 635 21 3 8 ...

Page 6: ...f 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 risk of fire or electric shock Always install a dedicated cir...

Page 7: ...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 Safely dispose of the packing materials Packing materials such as nails and other metal or wooden parts may cause stabs or other injuries Tear apart and throw away plastic packaging bags so that children may not play with them If children play with a plastic ...

Page 8: ...manual for the outdoor unit Vertical Air Handling Unit can be installed for upflow and horizontal left positions NOTE The primary and secondary drain line must be trapped to allow proper drainage of condensate water If the secondary drain line is not used it must be capped Selection of the best location More than 23 5 8 inch 600 mm clearance from access panels for Service More than 10 inch 250mm M...

Page 9: ... filter box The minimum height clearance is 14inches 350mm to maintain proper air flow Vibration isolators purchased locally must be placed between the unit and the pedestal An illustration showing an example of where a vibration isolator should be added would clarify what the installing contractor should do to properly position the isolator More than 6 screws M4 25L Field Supplied Return Plenum M...

Page 10: ...oned space Internal acoustical insulation lining may necessary for the metal duct system if it do not have 90 elbow and 10ft of main duct to first branch takeoff It is advised that a fibrous duct work could be used as a substitute if built and installed in accordance with the most recent edition of SMACNA construction standard on fibrous glass ducts Collectively fibrous duct work and acoustical li...

Page 11: ...he support should comparatively bigger than the unit and the unit must be place at centre of the support Locally available vibration isolators must be placed between the unit and the support The same installation method of up flow type has to be used in the case of Return Plenum and sup ply duct Installation Horizontal left Installation To ensure proper drainage for horizontal installations unit m...

Page 12: ...id dropping burrs into the tubing Copper pipe 90 Slanted Uneven Rough Pipe Reamer Point down Connecting Pipes to the Indoor Unit Cutting the Pipe for 3 8inch 9 52mm Cutting Position is less than 0 4inch 10mm Liquid pipe Brazing for Cut the e Liquid pipe Gas pip Upper front panel Air filter cover Top screw Bottom screw Lower front panel Refrigerant pipe cover 1 First detach the upper front panel fo...

Page 13: ...azing Brazing Brazing Cut the edge Cut the edge Liquid pipe Liquid pipe Gas pipe Gas pipe Cut the edge Liquid pipe Gas pipe ess m Lower front panel Upper front panel Refrigerant pipe cover Cut the edge Liquid pipe Gas pipe 4 Detach Liquid and Gas Pipe Gas Pipe Remove the Cap by Brazing Liquid Pipe There are 2 kinds of Liquid Pipe 3 Cut the refrigerant pipe Liquid Pipe edge and make sure the factor...

Page 14: ...ogen into pipe which is brazed Always use a non oxidizing brazing materi al for brazing the parts and do not use flux If not oxidized film can cause clogging or dam age to the compressor unit and flux can harm the copper piping or refrigerant oil Note The torch tip should be positioned at the opposite angle to shop the correct way to apply heat on the pipe coupling ...

Page 15: ...ipe Field supply Thermal insulator for Piping Field supply Hose crip for thermal insulator Field supply Classification Air conditioned location Non air conditioned location Note1 General location Note2 Special location Note3 General location Note4 Negative condition Liquid Pipe Ø1 4 6 35 Above t 3 8 9 52 Above t 3 8 9 52 Above t 3 8 9 52 Above t 3 8 9 52 Ø3 8 9 52 Above Ø1 2 12 7 Above t 1 2 12 7 ...

Page 16: ...downward Care should be taken to not use pipe joint connection or PVC CPVC for units drain line connection Use only Teflon tape For preventing winter freeze up on condensate line special means should be provided for drainage Note 1 General location When the pipe passes through indoors in which the indoor unit is operated Apartment classroom office mall hospital office tel etc Note 2 Special locati...

Page 17: ...CORRECT 3 4 inch 19 05mm connector Horizontal left Drain Knockout Air filter cover Main drain along with suitable trap Field supplied trap with sufficient depth can be used P traps of standard size are not sufficient Refer the figure for recommended condensate trap Supplementary drain with proper trap field supplied kit can be used The supplied flexible drain hose should not be strained A strained...

Page 18: ...al Block Indoor 1 L1 2 L2 3 A 4 B INDOOR POWER IDU IDU Outdoor unit Indoor unit Central controller SODU SODU DRY1 DRY2 GND INTERNET 12V Outdoor unit INPUT 208 230 1Φ 60Hz Wiring knockouts Control Box Cover Upper Front Panel Wiring Connection 1 Detach the upper panel control box cover And remove two wiring Knockouts Min wire size AWG Size of conduit inch mm Knockout diameter inch mm Power cable 22 ...

Page 19: ... between cable length and thickness 8 Never fail to equip GFCI breaker when installing the air handler near wet or moist loca tions 9 The following troubles would be caused by voltage drop down Vibration of a magnetic switch damage on the contact point fuse breaking disturbance by the normal function of an overload protection device Proper starting power is not given to the compressor HAND OVER Te...

Page 20: ...ler cable guide groove Remove guide groove with long nose Reclamation to the surface of the wall Upper part guide groove Right part guide groove Wall Side Wall Side Wall Side Wall Side Connecting order Separating order 3 Please fix remote controller upper part into the setup board attached to the surface of the wall as the picture below and then connect with setup board by pressing lower part Plea...

Page 21: ...ed remote controller do not bury it in the wall It can cause damage in the temperature sensor Do not exceed 50m 164 This would result in control signal degradation manifesting in a communication error code When installing the extension cable check the connecting direction of the connector of the remote controller side and the product side for correct installation If you install the extension cable...

Page 22: ...n please refer to Wide Wired Remote Control Manual Model PQRCVSL0 Black Color PQRCVSL0QW White Color 1 Operation indication screen 2 Set temperature button 3 Fan speed button 4 on off button 5 Opration mode selection button 6 Wireless remote controller receiver Some products don t receive the wireless signals 7 Air flow button 8 Subfunction button 9 Function setting button 10 Ventilation button 11...

Page 23: ...ty button Not working 6 Smart clean button Not working 7 Clear all button Used to clear all timer 8 Room temperature setting button Used to select the setting outlet temperature 9 on off button Used to turn off on the unit 10 Indoor fan speed selection button 11 Auto swing button Not working 12 Horizontal airflow direction control button Not working 13 Timer and time setting button Used to set the...

Page 24: ...anual Heater Model 5kW ANEH053B1 10kW ANEH103B2 15kW ANEH153B2 20kW ANEH203B2 Note Image shown above may vary depends on model capacity Available heater in model Capacity kBtu h RT Heater Capacity kW 5 10 15 20 18 1 5 Not available Not available Not available 24 2 0 Not available Not available 30 2 5 Not available Not available 36 3 0 Not available Not available 42 3 5 48 4 0 54 4 5 Feature Exampl...

Page 25: ... SW6 OFF Heater manual operation Ownerʼs involvement is required for on off operation But the heater operation would be as per the heater logic Function Description Setting Off Setting On Default SW1 SW2 SW3 SW4 SW5 SW6 SW7 SW8 Communication Cycle Group Control Dry Contact Mode Installation Heater linkage Ventilator linkage Vane selection Console Region selection Etc N A Default N A Default Select...

Page 26: ... connect serial signal and GND lines between slave indoor unit LGAP Network System No 3 Off No 3 On The Master indoor unit is possible to recognize Dry Contact and Central Controller only In case of Central controller and Group controller at the same time it is possible to connect standard 2series indoor units or later since Feb 2009 In case of Central controller setting the Central controller can...

Page 27: ...er LGAP Network System 6 In case of Group Control it is possible to use following functions Selection of operation options operation stop mode set temperature Control of flow rate High Middle Low It is not possible at some functions Master Slave setting of indoor units be set possible using a PCB Dip Switch It is possible to connect indoor units since Feb 2009 In the other cases please contact LGE...

Page 28: ... 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 of any error occurs at indoor unit display on the wired remote controller 6 There isnʼt limits of indoor unit function Maximum 2wired remote controllers can be connected with 1 indoor unit Wired remote controller 2 Indoor unit 1 GND Signal 12V Slave Slave ...

Page 29: ...ster Slave PZCWRC 2 Indoor unit 2 EA Wired remote controller PZCWRCG3 cable used for connection PZCWRC2 cable used for connection Indoor unit 1 EA Wired remote controller 2EA It is possible to set group control by using below accessories 4 Accessories for group control setting ...

Page 30: ... is the biggest 5 Function code 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 Th...

Page 31: ...low 6 Press button to exit After setup it automatically 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 8 Please be careful not to change the ESP value for each fan step It does not work to setup ESP value for very low power step for some products ESP value is available for specific range belongs to t...

Page 32: ...e CFM Setting Value ESP in wc 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 54 4 5 High 1475 77 82 87 93 98 102 110 115 115 115 Middle 1400 74 79 84 91 96 102 110 115 115 115 Low 1260 67 75 80 87 90 98 102 110 115 115 48 4 0 High 1400 74 79 84 91 96 102 110 115 115 115 Middle 1260 67 75 80 87 90 98 102 110 115 115 Low 1000 56 65 72 77 84 90 98 105 108 115 42 3 5 High 1250 67 75 80 87 90 98 102 110 115 115...

Page 33: ...ate the provided safety device will turn off the heater according to the airflow in wc inch Water Column inAq Product Data Minimum airflow by heater capacity Unit CFM Do not use less than minimum airflow There is risk of fire or damage to the product Capacity kBtu h RT Heater Capacity kW 5 10 15 20 18 1 5 380 Not available Not available Not available 24 2 0 480 480 Not available Not available 30 2...

Page 34: ...ating MERV 5 or above it can cause cooling heating capacity down 34 Vertical Air Handling Unit Capacity kBtu h RT Flow Rate CFM Static pressure drop in WC 18 1 5 High 530 0 02 Middle 480 0 02 Low 380 0 01 24 2 0 High 710 0 04 Middle 640 0 03 Low 480 0 02 30 2 5 High 880 0 05 Middle 800 0 05 Low 630 0 03 36 3 0 High 990 0 07 Middle 880 0 05 Low 800 0 05 42 3 5 High 1250 0 11 Middle 1100 0 09 Low 10...

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