LG L8UC100BFA2, Installation Manual, Page: 2 / 58

2 Multi Type Air Conditioner
Multi Type Air Conditioner Installation Manual
TABLE OF CONTENTS
Installation Parts Provided ......................................... 3
Safety Precautions ...................................................... 4
Installation of Indoor, Outdoor Unit .......................... 7
Select the best location .....................................7
Piping length and elevation ................................9
Refrigerant piping .............................................10
Indoor unit installation .......................................11
Caution for gradient of unit and drain piping ....17
Insulation, others ..............................................18
installation of remote control box......................19
Wired remote controller installation ..................20
Flaring Work and Connection of Piping ................. 31
Flaring work ......................................................31
Piping Connection.............................................32
Accessory For Installation ................................34
Installing the short tube(L8UC100BFA3 only) ..41
Connecting the Cable between Indoor Unit and
Outdoor Unit
.............................................................. 42
Connect the cable to the Indoor unit. ...............42
Connect the cable to the Outdoor unit. ............43
Checking the Drainage, Forming the Pipings
and Long Pipe Setting
.............................................. 44
Checking the drainage......................................44
Forming the piping ............................................45
Air Purging and Evacuation ..................................... 46
Checking method..............................................46
Evacuation ........................................................47
Test Running .............................................................. 48
Optional Operation - Duct Types ............................. 49
Group Control ...................................................49
Two Thermistor system.....................................49
E.S.P.(External Static Pressure) Setting...........50
How to Set E.S.P?............................................51
Optional Operation - CST Type ................................ 52
Combination of indoor and outdoor unit ................ 56
Installation guide at the seaside .............................. 57
o
Level gauge
o
Screw driver
o
Electric drill
o
Hole core drill (ø70mm)
o
Horizontal meter
o
Flaring tool set
o
Specified torque wrenches
1.8kg.m, 4.2kg.m, 5.5kg.m, 6.6kg.m
(different depending on model No.)
o
Spanner .................Half union
o
A glass of water
o
Screw driver
o
Hexagonal wrench(4mm)
o
Gas-leak detector
o
Vacuum pump
o
Gauge manifold
o
Owner's manual
o
Thermometer
o
Holder Remote Control
Installation Requirements Required Tools