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DC Inverter Cassette Type Unit
3.3 Connection Pipe Requirement
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.
Item
Model
GX-X18SCR GU-X18SCR
GX-X24SCR GU-X24SCR
GX-X30SCR GU-X30SCR
GX-X42SCR GU-X42SCR
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.
Power Supply
Indoor Units
18K~42K
220-240V~ 50Hz
Size of Fitting
Pipe(Inch)
Liquid
1/4
3/8
Fuse Capacity
V/Ph/Hz
CAUTION!
Table 4
Max.
Max. Height
Pipe
Difference between
Length
Indoor Unit and
Gas
(m)
Outdoor Unit (m)
1/2
20
30
5/8
30
50
Table 5
Breaker Capacity
A
A
5
6
7
Drainage
pipe(Outer
Diameter × wall
thickness) (mm)
15
15
Φ25×1.5
15
30
Min. Power Supply Cord
2
mm
1.0
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