3. Installation of the Indoor Unit
7
Installation and Maintenance
CAUTION
2. Tools and Instruments for Installation
3.1 Initial Check
·
When moving the unit after unpacking, make sure to lift it by holding its lifting lugs. Do not exert any pressure
on other parts, especially the refrigerant piping, drain piping and flange parts.
·
Wear protective gears when
installing
the
unit
.
CAUTION
During installation, do not damage the insulation material on the surface of the indoor unit.
Number
1
2
3
4
5
6
7
Tool
Standard screwdriver
Vacuum pump
Charge hose
Pipe bender
Adjustable wrench
Pipe cutter
Cross head screw-driver
Number
8
9
10
11
12
13
14
Tool
Leveler
Hammer
Churn drill
Knife or wire stripper
Pipe expander
Inner hexagon spanner
Measuring tape
12(300)
or more
Maintenance
space
3.0HP(24K)/4.0HP(36K)
3/4 (20) or more
Ceiling
H
≥
15-3/4 (400)
98-1/2 (2500)
or more
Floor surface
Fig. 3.1.1
[unit
:
in. (mm)]
1
.
Reserve necessary maintenance port when the
ceiling is not detachable.
2
.
The location of the maintenance port should
ensure it’s easy to remove electric box cover
and internal components
.
≥
24 (600)
≥
40 (1000)
≥
40 (1000)
4 (100)
5-1/2 (140)
24 (600)
Electric control box
Top view
Maintenance
port[
≥
18 (450)]
24 (600)
1.0HP(9K)/1.5HP(12K)/2.0HP(18K)
