DC Inverter U-match Series 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
GKH12K3FI GUHD12NK3FO
1/4
3/8
20
15
Φ25×1.5
GKH18K3FI GUHD18NK3FO
1/2
20
15
GKH24K3FI GUHD24NK3FO
3/8
5/8
30
15
GKH30K3FI GUHD30NK3FO
30
15
GKH36K3FI GUHD36NK3FO
30
15
GKH42K3FI GUHD42NK3FO
50
30
GKH48K3FI GUHD48NK3FO
50
30
GKH36K3FI GUHD36NM3FO
30
15
GKH42K3FI GUHD42NM3FO
50
30
GKH48K3FI GUHD48NM3FO
50
30
GKH60K3FI GUHD60NM3FO
3/8
3/4
50
30
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
12K~60K
220-240V~ 50Hz
5
6
1.0
