LG LT-D3680HL User Manual

ENGLISHCEILING CASSETTE TYPE AIR CONDITIONERSINSTALLATION INSTRUCTIONS• Please read this instruction sheet completely before installing the product.•

• Preparation of Piping6. Connecting Pipes to the Indoor UnitMain cause of gas leakage is defect in flaringwork. Carry out correct flaring work in the

ENGLISH111. Form the piping according to its routing. Avoid bending andbending back the same piping point more than three times.(This will result in h

7. Installation of Decorative Panel1. Temporarily fix two decorative panel fixing screws (hexagon M5 screw) on the unit body. (Tighten by amount10mm i

ENGLISH13Install certainly the decorative panel.Cool air leakage causes sweating. Water drops fall.• Drain piping must have down-slope (1/50 to 1/100

1. Use the heat insulation material for the refrigerant piping which has an excellent heat-resistance (over 120°C).2. Precautions in high humidity cir

ENGLISH152. Tape the Pipings and Connecting cablefrom bottom to top.3. Form the pipings gathered by tapingalong the exterior wall, and make thetrap pr

Thermometer2) Connection of power supply1. Connect the power supply cord to theindependent power supply.• Circuit breaker is required.2. Operate the u

ENGLISH174. Optional Operation1) Two Thermistor System(1) Open the rear cover of the wired remote-controller to set the mode.(2) Select one of three s

2) Adjusting air volume to the height of ceilingYou can choose the RPM(or air volume) of indoor motor according to the height of ceiling to supply the

19ENGLISH3) Group Control(Optional Wiring)• You can use a group control operation after connecting the brown and yellow wire of eachair-conditioner.•

21.The following should be always observed for safety...32.Installation of Indoor, Outdoor Unit...

1. The following should be always observed for safety3ENGLISH• Be sure to read "THE FOLLOWING SHOULD BE ALWAYS OBSERVED FOR SAFETY" beforein

41. Selection of the best location1) Indoor unit • There should not be any heat source orsteam near the unit. • There should not be any obstacles topr

ENGLISH5• The dimensions of the paper model for installingare the same as those of the ceiling openingdimensions.• Select and mark the position for fi

63. The Indoor Unit Installation• The following parts is option.Hanging Bolt - W 3/8 or M10Nut - W 3/8 or M10Spring Washer - M10P

ENGLISH7Remove the battery cover from the remotecontroller.• Slide the cover according to the arrow direction.Insert the two batteries.• Be sure that

5. Wiring Connection• Open the control box cover and connect the Remote controller cord and Indoor power wires.The power cord connected to the outdoor

ENGLISH91. All wiring must comply with LOCAL REGULATIONS.2. Select a power source that is capable of supplying the current required by the air conditi