LG LT-C332NLE1 Installation Manual Download | Manualshive

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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.

TYPE : CEILING CASSETTE

P/NO : MFL42291419

ENGLISH

ESP

AÑOL

POR

TUGUESE

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Summary of Contents for LT-C332NLE1

Page 1: ...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 TYPE CEILING CASSETTE P NO MFL42291419 ENGLISH ESPAÑOL PORTUGUESE ...

Page 2: ...condition er is used for many hours Clean the air filter once every 2 weeks Dust and impurities collected in the air filter may block the air flow or weaken the cooling dehumidifying functions For your records Staple your receipt to this page in case you need it to prove the date of purchase or for warranty purposes Write the model number and the serial number here Model number Serial number You c...

Page 3: ...e 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 indoor unit and the service panel of the outdoor unit are not attach...

Page 4: ...heavy object on the power cord Otherwise it may cause a fire or electrical shock When the product is submerged into water always contact the service center Otherwise it may cause a fire or electrical shock Take care so that children may not step on the outdoor unit Otherwise children may be seriously injured due to falling down CAUTION Installation Install the drain hose to ensure that drain can b...

Page 5: ...ndoor Outdoor Unit 13 Remote Control Preparation 14 Wiring Connection 17 Connecting Pipes to the Indoor Unit 19 Installation of Decorative Panel 21 Indoor Unit Drain Piping 24 Air Purging 26 Test running 28 Installation guide at the seaside TABLE OF CONTENTS ENGLISH TABLE OF CONTENTS ...

Page 6: ...6 INSTALLATION PARTS Features Filter Air Outlet Air Inlet Remote Controller ENGLISH INTRODUCTION ...

Page 7: ...ure 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 Manifold gauges Vacuum pump Name INSTALLATION ...

Page 8: ...m Installation of Indoor Outdoor Unit Selection of the best location Indoor unit There should not be any heat source or steam near the unit There should not be any obstacles to prevent the air circulation A place where air circulation in the room will be good A place where drainage can be easily obtained A place where noise prevention is taken into consideration Do not install the unit near the do...

Page 9: ... 6 35 1 4 7 5 50 5 30 25 LT H332NLE1 15 88 5 8 6 35 1 4 7 5 50 5 30 45 LT C332NLE1 15 88 5 8 6 35 1 4 7 5 50 5 30 30 Outdoor unit Indoor unit A B Outdoor unit Indoor unit A B CAUTION Rated performance for refrigerant line length of 7 5m Capacity is based on standard length and maximum allowance length is on the basis of relia bility Improper refrigerant charge may result in abnormal cycle ...

Page 10: ... position for fixing bolts slightly tilted to the drain direction after considering the direction of drain hose Drill the hole for anchor bolt on the ceiling The hole size for four anchor bolts is Ø 14 5mm 40mm depth CAUTION This air conditioner uses a drain pump Horizontly install the unit using a level gauge During the installation care should be taken not to damage electric wires Ceiling board ...

Page 11: ...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 oily steam 2 Avoid installing air conditioner in such circumstances where cutting oil mist or iron powder is in suspension in factories etc 3 Avoid places where inflammable gas is generated flows in is stored or vented 4 Avoid places where su...

Page 12: ...ontroller Installation Although the room temperature sensor is in the indoor unit the remote controller should be installed in such places away from direct sunlight and high humidity Installation of the remote controller Select places that are not splashed with water Select control position after receiving customer approval The room temperature sensor is built in the indoor unit This remote contro...

Page 13: ...rection 2 Insert the two batteries Be sure that the and directions are correct Be sure that both batteries are new 3 Re attach the cover Slide it back into position Do not use rechargeable bat teries such batteries differ from standard dry cells in shape dimensions and per formance Romove the batteries from the remote controller if the air conditioner is not going to be used for some long time ...

Page 14: ...ting Cable 1 Phase LT C332NLE1 Cooling Model 1 L 2 N 1 L 2 N 3 1 L 2 N 3 Terminal Block of Indoor Unit POWER INPUT 1 Phase LT H332NLE1 Heatpump Model 1 L 2 N 1 L 2 N 3 4 1 L 2 N 3 4 Terminal Block of Indoor Unit POWER INPUT Terminal Block of Outdoor Unit 1 L 2 N 1 L 2 N 3 4 1 L 2 N 3 Terminal Block of Indoor Unit POWER INPUT 1 Phase LT H282PLE1 Heatpump Model 4 ...

Page 15: ...or and outdoor unit should be com plied with the following specifications Rubber insulation type H05RN F approved by HAR or SAA 20mm GN YL 45 5 10 3 WARNING Make sure that the screws of the termi nal are free from looseness Electricwire Round crimp style terminal Attach insulation sleeve Connect wires of the same gauge to both sides Model Normal Cross Sectional LT H282PLE1 3 5mm2 3 wires LT H332NL...

Page 16: ...nnector to meet the LOCAL REGULATION CONNECTING THE CABLE TO OUTDOOR UNIT 1 Remove the Cover control from the unit by loosening a screw Connect the wires to the terminals on the control board individually as following 2 Secure the cable onto the control board with the holder clamper 3 Refix the cover control to the original posi tion with the screw 4 Use a recognized circuit breaker between the po...

Page 17: ... copper tube in a bar or die as indi cated dimension in the table above Burrs removal Completely remove all burrs from the cut cross section of pipe tube Put the end of the copper tube pipe to down ward direction as you remove burrs in order to avoid to let burrs drop in the tubing Putting nut on Remove flare nuts attached to indoor and outdoor units than put them on pipe tube having completed bur...

Page 18: ...it After completing the piping connection be sure to check if there is gas leakage in indoor and outdoor connection Vacuum drying After completing the piping connection exe cute vacuum drying for the connecting piping and the indoor unit The vacuum drying must be carried out using the service ports of both the liquid and gas side valves Inclined Inside is shining without scratches Smooth all round...

Page 19: ...emove the Corner covers of the panel Coner cover 3 Fit the panel on the unit by inserting hooks as shown in picture 5 Fit the corner covers 4 Insert two screws on diagonal corners of panel Do not tighten the bolts completely The fixing screws are included in the indoor unit box Check the alignment of panel with the ceil ing Height can be adjusted using hanging bolts as shown in picture Insert the ...

Page 20: ...marking on PCB is as Display connector CN DISPLAY Vane control connector CN VANE 1 2 8 Close the cover for control box 9 Fit the link on the panel as shown in pic ture The link is included in the front panel unit box CN VANE 1 2 CN DISPLAY Link 10 Attach the other side of link on the filter guide of inlet grille Install the air inlet grille and filter on the panel Link Filter guide ...

Page 21: ...n on the drain piping Air conditioner unit Decorative panel Fit the insulator this part and be careful for cool air leakage Good example Ceiling board Ceiling board Decorative panel Air Cool air leakage no good Bad example Air conditioner unit CAUTION Install certainly the decorative panel Cool air leakage causes sweating Water drops fall Piping material Polyvinyl chloride pipe VP 25 and pipe fitt...

Page 22: ...ault However if it is operated for a long time in high humid atmosphere dew point tempera ture more than 23 C water drops are liable to fall In this case add heat insulation mate rial according to the following procedure Heat insulation material to be prepared Adiabatic EPDM or NBR with thickness 10 to 20mm Stick EPDM or NBR on all air conditioners that are located in ceiling atmosphere In additio...

Page 23: ...nd fix it onto the wall by saddle or equivalent 4 Tape the Pipings and Connecting cable from bottom to top 5 Form the pipings gathered by taping along the exterior wall and make the trap pre vent water from entering into the room 6 Fix the pipings onto the wall by saddle or equivalent In case of the Outdoor unit being installed below position of the Indoor unit In case of the Outdoor Unit being in...

Page 24: ...onnect the manifold valve with pressure gauge to the gas pipe side And connect the Nitrogen cylinder to the service port with charge hoses to the mani fold gauge Pressurize the system to no more than 150 P S I G with dry nitrogen gas Close the nitro gen cylinder valve when it shows reading of 150 P S I G Check for leakage with Liquid soap solution Do the leakage test at all joints of tubing indoor...

Page 25: ...uation If the system is found free from all leakages relive the nitrogen pressure by loosening the charge hose connector at nitrogen cylinder Disconnect the hose from cylinder when pressure reaches to normal state Evacuation Connect the charge hose end to the vacuum pump and evacuate the connect ing of the and indoor unit Check that the Lo knob of manifold is open Run the vac uum pump Confirm the ...

Page 26: ...ture blow out temperature wind velocity wind vol ume voltage current presence of abnormal vibration and noise operating pressure pip ing temperature compressive pressure As to the structure and appearance check following items Is the circulation of air adequate Is the draining smooth Is the heat insulation complete refrigerant and drain piping Is there any leakage of refrigerant Is the remote cont...

Page 27: ...m 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 give rise to burn out of the wires Specification of power source Confirm that electrical capacity is suffi cient Be sure that the starting voltage is maintained at more than 90 percent of the rated voltage marked on the name plate CA...

Page 28: ...by using water It should be strong enough like concrete to prevent the sea wind from the sea The height and width should be more than 150 of the outdoor unit It should be keep more than 70 cm of space between outdoor unit and the windbreak for easy air flow CAUTION Air conditioners should not be installed in areas where corrosive gases such as acid or alkaline gas are produced Do not install the p...

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