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3 Piping work and
refrigerant charge
3.5.6 RPI - Ducted indoor unit (2.0-10.0)FSN2E
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Gas refrigerant pipe installation
The correct position for the gas refrigerant pipe connection is shown below.
RPI-(2.0-6.0)
1
3
2
1
Gas pipe
2
Liquid pipe
3
Drain hose
4
Electrical box
Models
RPI-2.0FSN2E
RPI-(2.5/3.0)FSN2E
RPI-(4.0-6.0)FSN2E
RPI-8.0FSN2E
RPI-10.0FSN2E
N O T E
When installing the pipes, leave enough space for maintenance work in the electrical box of the unit.
Dimensions of the flare and thickness of the copper pipe
Nominal diameter
mm
inches
Ø6.35
1/4
Ø9.53
3/8
Ø12.70
1/2
Ø15.88
5/8
100
SMGB0063 rev. 1 - 10/2010
4
Gas pipe mm (inches)
Ø15.88 (5/8)
Ø19.05 (5/8)
Ø22.20 (7/8)
Thickness
Measurement A
mm
0.4 mm
0.80
9.1
0.80
13.2
0.80
16.6
1.00
19.7
RPI-(8.0/10.0)
2
4
1
+ 0
/
-
3
Liquid pipe mm (inches)
Ø6.35 (1/4)
Ø9.53 (3/8)
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