
DC Inverter Cassette Type Unit
7
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 4
Item
Model
Size of Fitting
Pipe(Inch)
Max.
Pipe
Length
(m)
Max. Height
Difference between
Indoor Unit and
Outdoor Unit (m)
Drainage
pipe(Outer
Diameter × wall
thickness) (mm)
Liquid
Gas
1/4
Φ25×1.5
GX-X18SCR
GU-X18SCR
1/2
20
15
GX-X24SCR
GU-X24SCR
3/8
5/8
30
15
GX-X30SCR
GU-X30SCR
30
15
The connection pipe should be insulated with proper water-proof insulating material.
The pipe wall thickness shall be 0.5-1.0mm 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 5
Indoor Units
Power Supply
Fuse Capacity Breaker Capacity
Min. Power Supply Cord
V/Ph/Hz
A
A
mm
2
1
8
K~
42
K
220-240V~ 50Hz
5
6
1.0
GX-X42SCR
GU-X42SCR
50
30