Floor Ceiling Air-Conditioning Unit
5
(4) When installing indoor unit, make sure that the hanging parts at top are strong enough to
stand the weight of unit.
>1000mm
>1000mm
>1000mm
>1000mm
Floor
Floor
>3000mm
>800mm
Fig.3
3.3 Connection Pipe Requirement
CAUTION!
The maximum length of the connection pipe is listed in the table below. Do not place the units between
which the distance exceeds the maximum length of the connection pipe.
Table 2
Model
Connecting Pipe (inch) Maximum
length
(m)
Maximum
height
(m)
Drainage pipe(Outer Diameter ×
wall thickness) (mm)
Liquid
Gas
21UT024C24
3/8
5/8
15
15
17×1.75
21UT036C24
3/8
3/4
30
15
17×1.75
21UT048C24
3/8
7/8
30
15
17×1.75
21UT060C24
1/2
7/8
30
15
17×1.75
◆
The connecting pipe should be thermally insulated properly.
◆
The pipe wall thickness shall be 0.5-1.0 mm and the pipe wall shall be able to withstand
the pressure of 6.0 MPa. The longer the connecting pipe, the lower the cooling and heating
effect performs.
3.4 Electrical Requirement
Electric Wire Size and Fuse Capacity.
Table 3
Indoor Units
Power Supply
Fuse Capacity
Breaker Capacity
Min. Power Supply Cord
V/Ph/Hz
A
A
mm
2
220/230/1/60
1.46
15
1.3
220/230/1/60
1.46
15
1.3
220/230/1/60
3.60
15
1.3
220/230/1/60
3.60
15
1.3
21UT024C24
21UT036C24
21UT048C24
21UT060C24
