LG LUU188HV Installation Manual Download Page 6 | Manualshive

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6

TABLE OF CONTENTS

ENGLISH

2

TIPS FOR SAVING ENERGY

3

IMPORTANT SAFETY INSTRUCTIONS

7

INSTALLATION OF OUTDOOR UNIT

7

Installation Places

7

Piping length and the elevation

8

WIRING CONNECTION

8

Electrical Wiring

8

Connecting Cables between Indoor Unit and Outdoor Unit

10

Connecting the cable to Outdoor Unit

11

CONNECTING COPPER PIPES

11

Preparation of Piping

12

Plumbing materials and storage methods

13

Connecting the pipes to the Outdoor unit

14

Forming the piping

15

LEAKAGE TEST AND EVACUATION

15

Preparation

15

Leakage test

16

Evacuation

17

TEST RUNNING

18

FUNCTION

18

Pump Down

19

Error Indicator (Outdoor)

20

Dip S/W Setting

21

INSTALLATION GUIDE AT THE SEASIDE

TABLE OF CONTENTS

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Summary of Contents for LUU188HV

Page 1: ...allation 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 MFL68061228 Rev 00_060218 http www lghvac com www lg com Copyright 2017 2018 LG Electronics Inc All Rights Reserved ENGLISH FRANÇAIS ESPAÑOL ...

Page 2: ...conditioner 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 ca...

Page 3: ...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 indoor unit and the service panel of the outdoor u...

Page 4: ...herwise it may cause a fire and electrical shock Do not open the suction inlet of the indoor outdoor unit during operation Otherwise it may electrical shock and failure Do not allow water to run into electrical parts Otherwise it may cause the failure of machine or electrical shock Hold the plug by the head when taking it out It may cause electric shock and damage Never touch the metal parts of th...

Page 5: ...ct Keep level parallel in installing the product Otherwise it may cause vibration or water leakage Operation 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 sp...

Page 6: ...door Unit and Outdoor Unit 10 Connecting the cable to Outdoor Unit 11 CONNECTING COPPER PIPES 11 Preparation of Piping 12 Plumbing materials and storage methods 13 Connecting the pipes to the Outdoor unit 14 Forming the piping 15 LEAKAGE TEST AND EVACUATION 15 Preparation 15 Leakage test 16 Evacuation 17 TEST RUNNING 18 FUNCTION 18 Pump Down 19 Error Indicator Outdoor 20 Dip S W Setting 21 INSTALL...

Page 7: ... of the unit Do not place animals and plants in the path of the warm air Take the air conditioner weight into account and select a place where noise and vibration are minimum Select a place so that the warm air and noise from the air conditioner do not disturb neighbors MODEL CAPACITY Pipe Size mm inch Length A Unit m ft Elevation B Unit m ft Additional refrigerant Unit g m oz ft Gas Liquid Standa...

Page 8: ... LUU488HV 1 40A Outdoor unit Indoor unit 1 2 3 1 2 3 CAUTION The power cord connected to the outdoor unit should be complied with IEC 60245 or HD 22 4 S4 This equipment shall be provided with a cord set complying with the national regulation The connecting cable connected to the outdoor unit should be complied with IEC 60245 or HD 22 4 S4 This equipment shall be provided with a cord set complying ...

Page 9: ...inal block Slack in the power wiring may cause abnormal heat When connecting wiring which is the same thickness do as shown in the figure below Power wire Ground wire Round pressure terminal For wiring use the designated power wire and connect firmly then secure to prevent outside pressure being exerted on the terminal block Use an appropriate screwdriver for tightening the terinal screws A screwd...

Page 10: ...e the rubber bushes are properly used in knock out holes after removing the Insulation Insulation Main Terminal Block Cord clamp Cord clamp 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...

Page 11: ...n pipe tube having completed burr removal Not possible to put them on after flaring work Flaring work Firmly hold copper tube in a bar or die as indicated dimension in the table above Carry out flaring work using dedicated flaring tool for R 410A as shown below Check Compare the flared work with figure below If flare is noted to be defective cut off the flared section and do flaring work again Cop...

Page 12: ...Cause failure Significant hydrolysis of refrigerant oil Degradation of refrigerant oil Poor insulation of the compressor Do not cold and warm Clogging of EEV Capillary Degradation of refrigerant oil Poor insulation of the compressor Do not cold and warm Clogging of EEV Capillary Gas shortages Degradation of refrigerant oil Poor insulation of the compressor Do not cold and warm Countermeasure No mo...

Page 13: ...m entering Figure3 Plug the pipe through holes with putty or insulation material procured locally to stop up all gaps as shown in the figure 3 Outside diameter Torque mm inch N m kgf m lbf ft Ø6 35 1 4 14 18 1 4 1 8 10 13 Ø9 52 3 8 34 42 3 5 4 3 25 31 Ø12 7 1 2 49 61 5 0 6 2 36 45 Ø15 88 5 8 69 82 7 0 8 4 51 60 Ø19 05 3 4 100 120 10 0 12 2 73 88 Outdoor unit Continuous Torque wrench Forward Sidewa...

Page 14: ...re 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 Trap is required to prevent water from entering into electrical parts Taping Drain hose Pipings Connecting cable Pow...

Page 15: ...s service port with charge hoses Pressurize the system to no more than 3 0 MPa 427 P S I G with dry nitrogen gas and close the cylinder valve when the gauge reading reached 3 0 MPa 427 P S I G Next test for leaks with liquid soap 1 Do a leakage test of all joints of the tubing both Indoor unit and outdoor unit and both gas and liquid side service valves Bubbles indicate a leak Be sure to wipe off ...

Page 16: ...f 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 service port and fasten the flare nut securely with an adjustable wrench This process is very important to prevent leakage from the system 5 Replace the valve caps at b...

Page 17: ...ened M4 118N cm 10 4lbs inch M5 196N cm 17 3lbs inch M6 245N cm 21 7lbs inch M8 588N cm 52lbs inch Connection of power supply Connect the power supply cord to the independent power supply Circuit breaker is required Operate the unit for fifteen minutes or more Evaluation of the performance Measure the temperature of the intake and discharge air Ensure the difference between the intake temperature ...

Page 18: ...gas valve after Green LED on NOTE When the green LED of PCB is on compressor is going to be off because of low pressure You should return the Dip Switch to operate normally after finishing the operation Improper Pump down will lead to product turn off along with LED green red off with in 20 minutes from the initial start LUU188HV LUU189HV LUU248HV 1 2 3 4 5 6 7 8 9 10 LUU368HV LUU428HV LUU488HV Pu...

Page 19: ...OFF 32 D Pipe High Inv 3times 2times OFF 35 Low pressure Error 3times 5times OFF 41 Inv D Pipe Th Error Open Short 4times 1time OFF 43 Pressure Sensor Error 4times 3times OFF 44 Outdoor air Th Error Open Short 4times 4times OFF 45 Cond Middle Pipe Th Error Open Short 4times 5times OFF 46 Suction Pipe Th Error Open Short 4times 6times OFF 48 Cond Out Pipe Th Error Open Short 4times 8times OFF 51 Ca...

Page 20: ...ock Cooling 1 2 3 4 5 1 2 3 4 5 6 7 8 9 10 Mode Lock Heating 1 2 3 4 5 1 2 3 4 5 6 7 8 9 10 Night Quiet Mode Step 1 1 2 3 4 5 1 2 3 4 5 6 7 8 9 10 Night Quiet Mode Step 2 1 2 3 4 5 1 2 3 4 5 6 7 8 9 10 Mode Lock Cooling Night Quiet Mode Step 1 1 2 3 4 5 1 2 3 4 5 6 7 8 9 10 Mode Lock Cooling Night Quiet Mode Step 2 WARNING When you set the dip switch you should turn off the circuit breaker or shut...

Page 21: ...ect a well drained place NOTE Air conditioners should not be installed in areas where corrosive gases such as acid or alkaline gas are produced Do not install the product where it could be exposed to sea wind salty wind directly It can result corrosion on the product Corrosion particularly on the condenser and evaporator fins could cause product malfunction or inefficient performance If outdoor un...

Page 22: ...22 ENGLISH ...

Page 23: ...ase call the installing contractor of your product as warranty service will be provided by them CANADA Service call Number 888 LG Canada 888 542 2623 Numéro pour les appels de service LG Canada 1 888 542 2623 ...

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