Table of Contents
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TABLE OF CONTENTS
Installation Requirements
Installation Parts Provided ...................................................4
Safety Precautions ................................................................5
Installation of Indoor, Outdoor Unit .....................................8
Select the best location ....................................................8
Seaside Applications and Installation ..............................10
Seasonal Wind And Cautions In Winter...........................11
Piping length and elevation .............................................12
Installation............................................................................14
Connecting the piping......................................................14
How To Fix.......................................................................18
Wiring Connection ...........................................................19
Conduit connection..........................................................19
Ceiling dimension and hanging bolt location ...................20
How to Fix .......................................................................21
Wiring Connection ...........................................................21
Conduit connection..........................................................21
Installation of Wired Remote Controller(Optional)...........22
Installation of Decorative Panel.......................................24
Drain Piping.....................................................................26
Flaring Work and Connection of Piping ............................29
Flaring work.....................................................................29
Connection of piping - Outdoor .......................................30
Installation .......................................................................33
Installation of The Main Unit............................................34
Connect the cable to the Indoor unit. ..............................35
Connect the cable to the Distributor unit .........................36
Connect the cable to the Outdoor unit.............................37
Piping Applications .............................................................40
Checking the drainage ....................................................40
Air Purging and Evacuation................................................41
Leak Checking.................................................................41
Evacuation.......................................................................42
Charging ...............................................................................43
Installation PI485 .................................................................45
Test Running ........................................................................46
Function................................................................................47
Dip S/W Setting ...............................................................47
Forced Cooling Operation ...............................................48
Wiring Error Check ..........................................................49
Saving Power Consumption ............................................49
Night Quiet Mode ............................................................50
Mode Lock.......................................................................51
Pcb Display(18/24k Model Only) .....................................52
Combination indoor units ...................................................53
Multi Air Conditioner Installation Manual
Required Tools
o Level gauge
o Screw driver
o Electric drill
o Hole core drill (ø50mm)
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 Adjustable wrench
o A glass of water
o Screw driver
o Hexagonal wrench(4mm)
o Refrigerant Gas Leak Detector
o Vacuum pump
o Gauge manifold
o Owner's manual
o Thermometer
o Remote Control Holder
Installation Manual 3
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