2Multi 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
oLevel gauge
oScrew driver
oElectric drill
oHole core drill (ø70mm)
oHorizontal meter
oFlaring tool set
oSpecified torque wrenches
1.8kg.m, 4.2kg.m, 5.5kg.m, 6.6kg.m
(different depending on model No.)
oSpanner .................Half union
oA glass of water
oScrew driver
oHexagonal wrench(4mm)
oGas-leak detector
oVacuum pump
oGauge manifold
oOwner's manual
oThermometer
oHolder Remote Control
Installation Requirements Required Tools