DC Inverter U-match Series Floor Ceiling Type Unit
6
Table 3.3
Item
Model
Size of Fitting Pipe
mm (inch)
Max. Pipe
Length
m (feet)
Max. Height
Difference
between Indoor
Unit and
Outdoor Unit
m (feet)
Drainage
pipe(Outer
Diameter × wall
thickness)
mm (inch)
Liquid
Gas
KU21-FCU18-3
KU21-ODU18-3
6(1/4)
12.7(1/2)
50(164)
15(49-1/5)
Φ17X1.75
(Φ5/8 X 7/100)
KU21-FCU24-3
KU21-ODU24-3
9.5(3/8)
16(5/8)
50(164)
15(49-1/5)
Φ17X1.75
(Φ5/8 X 7/100)
KU21-FCU30-3
KU21-ODU30-3
9.5(3/8)
16(5/8)
50(164)
15(49-1/5)
Φ17X1.75
(Φ5/8 X 7/100)
KU21-FCU36-3
KU21-ODU36-3
9.5(3/8)
16(5/8)
50(164)
15(49-1/5)
Φ17X1.75
(Φ5/8 X 7/100)
KU21-FCU42-3
KU21-ODU42-3
9.5(3/8)
16(5/8)
50(164)
15(49-1/5)
Φ17X1.75
(Φ5/8 X 7/100)
KU21-FCU48-3
KU21-ODU48-3
9.5(3/8)
16(5/8)
70(230)
15(49-1/5)
Φ17X1.75
(Φ5/8 X 7/100)
Notes:
①
.
The connecting pipe should be thermally insulated properly.
②
.
The pipe wall thickness shall be 0.5~1.0mm (1/50~1/25inch) and the pipe
wall shall be able to withstand the pressure of 6.0MPa (870psig). The
longer the connecting pipe, the lower the cooling and heating effect
performs.
3.4 Electrical Requirement
Electric Wire Size and Fuse Capacity.
Table 3.4
Indoor Units
Power Supply
Fuse
Capacity
Minimum Circuit
Ampacity
Maximum
Overcurrent
Protection
V/Ph/Hz
A
A
A
KU21-FCU18-3
208/230V ~ 60Hz
5
1
15
KU21-FCU24-3
208/230V ~ 60Hz
5
1
15
KU21-FCU30-3
208/230V ~ 60Hz
5
2
15
KU21-FCU36-3
208/230V ~ 60Hz
5
2
15
KU21-FCU42-3
208/230V ~ 60Hz
5
2
15
KU21-FCU48-3
208/230V ~ 60Hz
5
3
15
