LG MFL39817303 Installation Manual Download Page 30 | Manualshive

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Room Air Conditioner

Memo

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Summary of Contents for MFL39817303

Page 1: ...y before installing the product When the power cord is damaged replacement should be performed by authorized personnel only 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 FRANÇAIS ESPAÑOL ...

Page 2: ...Air purging 25 Test running 27 Installation guide at the seaside 29 Four type A screws plastic anchors Connecting cable Installation guide map Pipes Gas side Liquid side Insulation materials Additional drain pipe Outer diameter 15 5mm 0 61in Two type B screws Level gauge Screw driver Electric drill Hole core drill ø70mm 2 76in Horizontal meter Flaring tool set Specified torque wrenches 1 8kg m 4 2...

Page 3: ...ack Sharp edges or thin aluminum fins on the air conditioner can cut your finger When installing in a wall Make sure the wall is strong enough to hold the unit s weight It may be necessary to construct a strong wood or metal frame to provide added support in a room Properly insulate any tubing run inside a room to prevent sweating that can cause dripping and water damage to wall and floors in mois...

Page 4: ... plug or a loose socket which is damaged Otherwise it may cause a fire or electrical shock For installation of the product always contact the service center or a professional installation agency Otherwise it may cause a fire electrical shock explosion or injury Securely attach the electrical part cover to the indoor unit and the service panel to the outdoor unit If the electrical part cover of the...

Page 5: ... and may cause injury Do not share the outlet with other appliances It will cause an electric shock or a fire due to heat generation Do not use the damaged power cord Otherwise it may cause a fire or electrical shock Do not modify or extend the power cord randomly Otherwise it may cause a fire or electrical shock Take care so that the power cord may not be pulled during operation Otherwise it may ...

Page 6: ...Keep level parallel in installing the product Otherwise it may cause vibration or water leakage Avoid excessive cooling and perform ventilation sometimes Otherwise it may do harm to your health Use a soft cloth to clean Do not use wax thinner or a strong detergent The appearance of the air conditioner may deteriorate change color or develop surface flaws Do not use an appliance for special purpose...

Page 7: ... symbol alerts you to hazards that may cause harm to the air conditioner This symbol indicates special notes NOTICE Introduction Symbols used in this Manual Features Air Intake Vents Base Plate Air Outlet Vents Connecting Wires Drain Hose Air Filter Air Inlet Front Panel Plasma Filter Signal Receptor ...

Page 8: ... Type 2 Installation plate Installation plate Figure Figure Name Screw driver Electric drill Measuring tape Knife Hole core drill Spanner Torque wrench Ohmmeter Hexagonal wrench Ammeter Gas leak detector Thermometer Horizontal meter Flaring tool set Name Installation Parts Installation Tools Installation Read carefully and then follow step by step ...

Page 9: ...dle Forced Operation Button Gas side piping Optional Parts Liquid side piping Optional Parts Additional drain pipe Vinyl tape Narrow Drain Hose Base Plate Air Outlet Vents Air Inlet Vents Connecting cable Optional Parts Installation plate Sleeve Bushing Sleeve Putty Gum Type Sealer Bend the pipe as closely on the wall as possible but be careful that it doesn t break NOTICE Air Discarge Vertical Ai...

Page 10: ...unit 1 If an awning is built over the unit to prevent direct sunlight or rain exposure make sure that heat radiation from the condenser is not restricted 2 Ensure that the space around the back and sides is more than 30cm 11 8in The front of the unit should have more than 70cm 27 6in of space 3 Do not place animals and plants in the path of the warm air 4 Take the weight of the air conditioner int...

Page 11: ...s based on standard length and maximum allowance length is on the basis of reliability Oil trap should be installed every 5 7 meters 16 4 23 0ft 9k 12k 9 52 3 8 6 35 1 4 7 5 25 7 23 15 49 20 0 22 18k 12 7 1 2 6 35 1 4 7 5 25 7 23 15 49 20 0 22 24k 15 88 5 8 9 52 3 8 7 5 25 15 49 30 98 30 0 33 Pipe Size Capacity Btu h GAS LIQUID Max Length A m ft Additional Refrigerant g m oz ft Max Elevation B m f...

Page 12: ...be done safely 3 Install after removing one of the indicated cutting phase according to the installation location of the indoor unit s piping Fixing Installation Plate Chassis Hook Installation Plate Type A Chassis Hook Installation Plate Type A Installation plate Left rear piping Right rear piping Ø70mm Ø70mm D B A C Installation plate Left rear piping Right rear piping Ø70mm 133mm Ø70mm 100mm Dr...

Page 13: ...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 1 Firmly hold copper pipe in a Bar in the dimension shown in the table below 2 Carr...

Page 14: ...unit through the piping hole Do not connect the cable to the indoor unit Make a small loop with the cable for easy connection later 3 Tape the tubing drain hose and the connecting cable Be sure that the drain hose is located at the lowest side of the bundle Locating at the upper side can cause drain pan to overflow inside the unit If the drain hose is routed inside the room insulate the hose with ...

Page 15: ...round 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 may be no gap 2 Wrap the area which accommodates the rear piping housing section with vinyl tape 3 Bundle the piping and drain hose together by wrapping them with vinyl tape for enough to cover where they fit into the rear pipi...

Page 16: ...lation plate and separate the bottom of the indoor unit from the wall Connecting the piping to the indoor unit and the drain hose to drain pipe 1 Align the center of the pipes and sufficiently tighten the flare nut by hand 2 Tighten the flare nut with a wrench 3 When extending the drain hose at the indoor unit install the drain pipe For left rear piping Drain pipe Connecting cable Installation pla...

Page 17: ... into the rear piping housing section Reroute the pipings and the drain hose across the back of the chassis Indoor unit installation 1 Remove the spacer 2 Ensure that the hooks are properly seated on the installation plate by moving it left and right 3 Press the lower left and right sides of the unit against the installation plate until the hooks engage into their slots clicking sound Plastic band...

Page 18: ...n Good case Press on the upper side of clamp and unfold the tubing to downward slowly Bad case Following bending type from right to left may cause damage to the tubing Installation Information For left piping Follow the instruction below ...

Page 19: ...meter Torque wrench mm inch kgf m lbf ft Ø6 35 1 4 1 8 2 5 13 18 Ø9 52 3 8 3 4 4 2 24 6 30 4 Ø12 7 1 2 5 5 6 6 39 8 47 7 Ø15 88 5 8 6 3 8 2 45 6 59 3 Ø19 05 3 4 9 9 12 1 71 6 87 5 Outside diameter Torque Indoor Connect the cable to the indoor unit by connecting the wires to the terminals on the control board individually according to the outdoor unit connection Ensure that the color of the wires o...

Page 20: ...cord connected to the outdoor unit should be complied with the following specifications ETL recognized and CSA certified The power connecting cable connected to the indoor and outdoor unit should be complied with the following specifications ETL recognized and CSA certified Air Conditioner Main power source Circuit Breaker Use a circuit breaker or time delay fuse GN YL 20mm AWG_ B Connecting cable...

Page 21: ...lectrical wiring capable of withstanding temperature up to 75 C 167 F 3 Use outdoor and waterproof connection cable rated more than 300V for the connection between indoor and outdoor unit For example Type SJO WA Be sure to comply with local codes while running the wire from the indoor unit to the outdoor unit size of wire and wiring method etc Every wire must be connected firmly No wire should be ...

Page 22: ...ide of control cover 2 The screw which fasten the wiring in the casing of electrical fittings are liable to come loose from vibrations to which the unit is subjected during the course of transportation Check them and make sure that they are all tightly fastened If they are loose it could cause burn out of the wires 3 Specification of power source 4 Confirm that electrical capacity is sufficient 5 ...

Page 23: ...t 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 like the following Drain pan Drain hose Leakage checking Connecting area drain hose Leakage checking 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 Water le...

Page 24: ... wall using saddle or equivalent In cases where the Outdoor unit is installed above the Indoor unit perform the following 1 Tape the piping and connecting cable from down to up 2 Secure 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 Taping Drain hose Pipings Connecting cable Trap is required to prevent ...

Page 25: ... with pressure gauges and dry nitrogen gas cylinder to this service port with charge hoses Be sure to use a manifold valve for air purging 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 150 P S I G with dry nitrogen gas and close the cylinder valve when the gauge reading reached 150 P S I G ...

Page 26: ...close the Lo and Hi knob of the manifold valve and stop the 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 ho...

Page 27: ... When installing on the wall roof or rooftop anchor the mounting base securely with a nail or wire assuming the influence of wind and earthquake 3 If the vibration of the unit is transmitted to the hose secure the unit with an anti vibration rubber Evaluation of the performance Operate the unit for 15 20 minutes then check the system refrigerant charge 1 Measure the pressure of the gas side servic...

Page 28: ...efrigerant Be sure to perform Pump Down procedure in the cooling mode Pump Down Procedure 1 Connect a low pressure gauge manifold hose to the charge port on the gas side service valve 2 Open the gas side service valve halfway and purge the air in the manifold hose using the refrigerant 3 Close the liquid side service valve all the way 4 Turn on the unit s operating switch and start the cooling ope...

Page 29: ...ne in the seaside installation please contact LG Electronics for the additional anticorrosion treatment 2 Periodic more than once year cleaning of the dust or salt particles stuck on the heat exchanger by using water Selecting the location Outdoor Unit 1 If the outdoor unit is to be installed close to the seaside direct exposure to the sea wind should be avoided Install the outdoor unit on the opp...

Page 30: ...30 Room Air Conditioner Memo ...

Page 31: ...P No MFL39817303 ...

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