LG A6UW368FA0 Installation Manual Download Page 28 | Manualshive

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Room Air Conditioner

Memo

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Summary of Contents for A6UW368FA0

Page 1: ...ly 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 3828A20567B ENGLISH ITALIANO ESPAÑOL FRANÇAIS DEUTSCH ...

Page 2: ...ing the Pipings and Long pipe Setting 19 20 Air Purging 21 22 Panel Front Assembly 23 Test running 24 Combination indoor units 25 Level gauge Screw driver Electric drill Hole core drill ø50mm Horizontal meter Flaring tool set Specified torque wrenches 1 8kg m 4 2kg m 5 5kg m 6 6kg m different depending on model No Spanner Half union A glass of water Screw driver Hexagonal wrench 4mm Gas leak detec...

Page 3: ...on Parts Provided Type A screws and plastic anchors Type B screws Holder Remote Control Installation plate Standard Type more than 70cm more than 30cm more than 30cm Air Outlet Air Intake side rear Connection pipe Drain hose Connecting wire Control cover more than 30cm ...

Page 4: ...ctric shock Do not use damaged power cable It will cause fire or electric shock For installation always contact the dealer or service center Otherwise it may cause fire electric shock explosion or injury Do not install the product on an defected installation stand Otherwise It may cause injury or accident Safety Precautions To prevent injury to the user or other people and property damage the foll...

Page 5: ...n and repair of product Otherwise it may cause failure of product Install the drain hose to ensure that drain can be securely done Otherwise it may cause water leakage Keep the level even in installing the product Otherwise it may cause vibration or water leakage Do not install the product where the noise or hot wind from the outdoor unit could give any casualty to the neighborhood Otherwise it ma...

Page 6: ... the spaces indicated by arrows around front back and side of the unit 3 Do not place animals and plants in the path of the warm air 4 Take the air conditioner weight into account and select a place where noise and vibration are minimum 5 Select a place so that the warm air and noise from the air conditioner do not disturb neighbors Rooftop Installations If the outdoor unit is installed on a roof ...

Page 7: ...ion 36k 100 40 60 20 30 15 42k 125 55 70 20 30 15 48k 135 55 80 20 30 15 54k 145 55 90 20 30 15 Capacity Btu h Total Length Max Main Pipe Length A B Total Branch Pipe Length Max Branch Pipe Length Max Elevation h1 In In Elevation h2 CAUTION Capacity is based on standard length and maximum allowance length is on the basis of reliability Oil trap should be installed every 5 7 meters ...

Page 8: ... A ex A7UW428FA0 A B C a b c 7k 9k 9k d e 9k 18k Standard length m Additional refrigerant g m Standard length m Additional refrigerant g m 30 35 40 45 Additional charge g Main piping additional refrigerant Branch piping additional refrigerant Main piping additional refrigerant Total main piping length standard length x Additional refrigerant Branch piping additional refrigerant Total branch piping...

Page 9: ...onfirmation of outdoor unit capacity and piping length 3 Reduction of the amount of refrigerant 4 2 or more security device installation of alarm for gas leakage Change indoor unit type installation position should be over 2m from the floor Wall mounted type Cassette type Adoption of ventilation system choose ordinary ventilation system or building ventilation system Limitation in piping work desi...

Page 10: ... is also important to use caution concerning the location of the installation plate routing of the wiring to power outlets is through the walls typically Drilling the hole through the wall for piping connections must be done safely How to fix installation plate Installation Plate Type A screw Installation plate Ø70mm Left rear piping Right rear piping C D B A Ø70mm SQ SR ST SU Left rear piping Rig...

Page 11: ... side 1 Remove two screws for fixing cover pipe 2 Pull up the cover side of desired connecting direction then cover side is separated 3 In case of connecting direction is left or right path through the hole of cover side CAUTION After removing the pipe hole cut the burr for safety When connecting pipe path through rear wall don t remove the hole NOTICE Drain hose junction 1 Remove the rubber stopp...

Page 12: ...rive the fore plastic anchors into drilled points Hang the hole of product at the upper screws In this time Remove the map Falling attention Check the fixed product with light power Adjust level even by level guage and fix to installation for reference on the well Drill the piercing part for connecting pipe as diameter 50mm In case of piercing rear surface Refer to No 5 on this page when making a ...

Page 13: ...cut cross section of pipe tube 2 Put the end of the copper tube pipe in a downward direction as you remove burrs in order to avoid dropping burrs into the tubing Putting nut on Remove 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 flaring work Flaring work Carry out flaring work using flaring tool as shown b...

Page 14: ...ndle Locating at the upper side can cause drain pan to overflow inside the unit Inclined Inside is shiny without scratches Smooth all round Even length all round Surface damaged Cracked Uneven thickness Improper flaring Connection of piping Indoor Drain hose Drain hose Drain hose Connecting pipe Connecting cable Tape Drain hose Connecting cable Gas side piping Liquid side piping Drain hose Loop Co...

Page 15: ... flare nut with a wrench 3 When extending the drain hose at the indoor unit install the drain pipe Wrap the insulation material around the connecting portion 1 Overlap the connection pipe insulation material and the indoor unit pipe insulation material Bind them together with vinyl tape so that there is no gap 2 Wrap the area which accommodates the rear piping housing section with vinyl tape Drain...

Page 16: ...rd slowly Bad case Following bending type from left to right could cause problem of pipe damage Align the center of the piping and sufficiently tighten the flare nut by hand Finally tighten the flare nut with torque wrench until the wrench clicks When tightening the flare nut with torque wrench ensure the direction for tightening follows the arrow on the wrench Socket Included in Outdoor Unit Outd...

Page 17: ...enter of the pipings and sufficiently tighten the flare nut by hand Gas Liquid Ø19 05 Ø15 88 Ø9 52 Ø6 35 Liquid Gas mm mm A B Adjust to indoor unit piping size Ø6 35 Ø15 88 3 Finally tighten the flare nut with torque wrench until the wrench clicks When tightening the flare nut with torque wrench ensure the direction for tightening follows the arrow on the wrench a b a b a b Connector Socket Includ...

Page 18: ...ion size A7UW42 A8UW48 A9UW548FA0 A7UW428FA0 A8UW488FA0 A9UW548FA0 A7UW428FA0 A8UW488FA0 A9UW548FA0 A9UW548FA0 Ø19 05 Gas mm Adjust to indoor unit piping size Ø 9 52 Liquid mm B A A B B BD Unit Branch unit A A A B B B B B B BD Unit Branch unit A A A A B B B B B B BD Unit B B B ...

Page 19: ...Indoor unit CAUTION The circuit diagram is not subject to change without notice Be sure to connect wires according to the wiring diagram Connect the wires firmly so that not to be pulled out easily Connect the wires according to color codes by referring the wiring diagram CAUTION Provide a circuit breaker between power source and the unit as shown below CAUTION The power cord connected to the outd...

Page 20: ...onditioner As for the method of wiring be guided by the circuit diagram posted on the inside of control cover 2 Firmly tighten the terminal screws to prevent them loosening After tightening pull the wires lightly to confirm that they do not move If they are loose the unit the unit will not operate normally or it can cause burn out of the wires 3 Specification of power source 4 Confirm that electri...

Page 21: ...a glass of water on the evaporator 2 Ensure the water flows through the drain hose of the indoor unit without any leakage and goes out the drain exit Drain piping 1 The drain hose should point downward for easy drain flow 2 Do not make drain piping Downward slope Do not raise Accumulated drain water Tip of drain hose dipped in water Air Waving Water leakage Water leakage Ditch Less than 50mm gap W...

Page 22: ...re the taped piping along the exterior wall Form a trap to prevent water entering the room 3 Fix the piping onto the wall by saddle or equivalent 1 Open the top cover of outdoor unit 2 Select one of the two selectable modes as follows 3 Move the Slide swithc to LONG position 4 Close the top cover and check whether the product works normally WARNING Do not open the top cover or Set the pipe length ...

Page 23: ...auges and dry nitrogen gas cylinder to this service port with charge hoses CAUTION Be sure to use a manifold valve for leakage test If it is not available use a stop valve for this purpose The Hi knob of the manifold valve must always be kept close Pressurize the system to no more than 427 P S I G with dry nitrogen gas and close the cylinder valve when the gauge reading reached 427 P S I G Next te...

Page 24: ... vacuum pump Finishing the job 1 With a service valve wrench turn the valve stem of liquid side valve counter clockwise to fully open the valve 2 Turn the valve stem of gas side valve counter clockwise to fully open the valve 3 Loosen the charge hose connected to the gas side service port slightly to release the pressure then remove the hose 4 Replace the flare nut and its bonnet on the gas side s...

Page 25: ...de cover assembly exactly Fix power cord in the bottom groove of cover side left 2 Assemble connecting lead wire with controller and first fix the upper part of panel front then match the lower part of panel front 3 Suspend hook of front panel in the groove after contract lower of 2 screws Panel Front Connector ...

Page 26: ... of the gas side service valve 2 Measure the temperature of the intake and discharge of air 3 Ensure the difference between the intake temperature and the discharge is more than 8 C 4 For reference the gas side pressure of optimum condition is as below Cooling If the actual pressure are higher than shown the system is most likely over charged and charge should be removed If the actual pressure are...

Page 27: ...xceeds the capacity of the outdoor unit will reduce the capacity of each indoor unit below the rated capacity during simultaneous operation Therefore if circumstances allows combine indoor units within the capacity of the outdoor unit NOTICE Type Standard Type SQ SR ST S4 S5 SZ SU SP1 TC TE TH BH BT BT1 VE VB Artcool Deluxe Type Artcool Type Ceiling Mounted Cassete Type 1Way Ceiling Mounted Casset...

Page 28: ...28 Room Air Conditioner Memo ...

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