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14

FINAL CHECK AND TEST RUN

ENGLISH

FINAL CHECK AND TEST RUN

After installing the unit, perform the final
check and running test as follows:
Final check points

1

Is the unit securely mounted?

2

Is the installation location adequate?

3  

Does the water piping work adequately
and without leakage?

4  

Are trapped drain lines installed at conden-
sate drain connections?

5  

Has the refrigeration cooling cycle been
kept sealed?

6  

Is the electrical wiring adequate and are
the screws tightened on terminals?

After the above final checkings, prepare the
running test as follows:

1  

Connect compound gauges to the check
joints at discharge and suction sides of the
compressor.

2

Turn all switches "OFF".

3

Turn the main switch "ON".

Running test should be accomplished as fol-
lows:

1

Set operation switch at "FAN" and the fan
will start. Check to ensure that the fan
sounds normal.

2

Next, set it at "COOL" and the compressor
will start. Check to ensure that the com-
pressor sounds normal.

3

Check discharge and suction pressure on
the compound gauges.

4

Check working voltage, phase balance and
running current.

5

Check to ensure that the thermistor func-
tions properly.

6

Check to ensure that the high pressure
control switch functions correctly.

Summary of Contents for UP48

Page 1: ...ding it thoroughly ƓThis product contains Fluorinated Greenhouse Gases R410A Representative LG Electronics Inc EU Representative LG Electronics European Shared Service Center B V Krijgsman 1 1186 DM Amstelveen The Netherlands Manufacturer LG Electronics Inc Changwon 2nd factory 84 Wanam ro Seongsan gu Changwon si Gyeongsangnam do KOREA For more information Refer to the CD or LG Web site www lg com...

Page 2: ...condi tioner 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: ...or repairs made by unqualified persons can result in hazards to you and others Installation MUST conform with local building codes or in the absence of local codes with the Nation Electrical Code NFPA 70 ANSI C1 1003 or current edition and Canadian Electrical Code Part1 CSA C 22 1 The information contained in the manual is intended for use by a qualified service technician familiar with safety pro...

Page 4: ...urely it could result in a fire or electric shock due to dust water etc Always install an air leakage breaker and a dedicated switch ing board No installation may cause a fire and electrical shock Do not keep or use flammable gases or combustibles near the air conditioner Otherwise it may cause a fire or the failure of product Ensure that an installation frame of the outdoor unit is not damaged du...

Page 5: ... electrical shock or a fire Keep the flames away Otherwise it may cause a fire Take the power plug out if necessary holding the head of the plug and do not touch it with wet hands Otherwise it may cause a fire or electrical shock Do not use the power cord near the heating tools Otherwise it may cause a fire and electrical shock Do not open the suction inlet of the indoor outdoor unit during operat...

Page 6: ...t or falling down Do not place a 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 ...

Page 7: ...t 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 spe...

Page 8: ... 9 Select the best Location 9 Indoor unit 10 INSTALLATION 10 Indoor unit installation 11 Precautions in bending 12 WIRING CONNECTION 12 Connecting the cable 12 Indoor unit 13 LEAKAGE TEST AND EVALUATION 13 Vacuum drying of the connecting pipes and the indoor unit 14 FINAL CHECK AND TEST RUN TABLE OF CONTENTS ...

Page 9: ...r 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 door way Ensure the spaces indicated by arrows from the wall ceiling or other obstacles The indoor unit must keep the maintenance space INSTALLATION PLACE 9 INSTALLATION PLACE ENGLISH 300mm 300mm 300mm ...

Page 10: ...hole should be sightly slant to the outdoor side 3 Insert the plastic tube through the hole 4 Cut the extruded outside part of the plastic tube if necessary When using knock out hole to route the pip ing insert the plastic cover in knock out hole in order to prevent the piping from damaged by sharp edge of the hole 200mm 70mm 70mm 90mm Wall Core Drill Tilt Cut if necessary More than 15mm Wall Plas...

Page 11: ...a smooth line Hold the tubing with your two hands closely and then bend or stretch it slowly not to make any crack Remember that the radius R should not exceed 70mm Refer to Fig 1 2 Do not repeat the bending process to prevent the tubing from cracking or crushing 3 Keep in mind that the bending part should not be cracked and make the radius R as long as possible Refer to Fig 2 Spring R70mm Fig 1 F...

Page 12: ...nlet grille manually 2 Open the control cover with Driver 3 Connect the cables to the connector in the control box 4 Secure the control cover to the original position with the screw 5 Close the inlet grille WIRING CONNECTION 1Ø 220 240V Indoor unit Outdoor unit POWER SUPPLY 1Ø 220 240V 50 60Hz 3Ø 380 415V Indoor unit Outdoor unit POWER SUPPLY 3Ø 380 415V 50 60Hz ...

Page 13: ...ce port nut and connect the gauge manifold and the vacuum pump to the service port by the charge hose 4 Vacuum the indoor unit and the connecting pipes until the pressure in them lowers to below 76cmHg 5 Remove the valve stem nuts and fully open the stems of the 2 way and 3 way valves with a hexagon wrench 6 Tighten the valve stem nuts of the 2 way valve and 3 way valve 7 Disconnect the charge hos...

Page 14: ...above final checkings prepare the running test as follows 1 Connect compound gauges to the check joints at discharge and suction sides of the compressor 2 Turn all switches OFF 3 Turn the main switch ON Running test should be accomplished as fol lows 1 Set operation switch at FAN and the fan will start Check to ensure that the fan sounds normal 2 Next set it at COOL and the compressor will start C...

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