Hitachi RCI - RPI - Ducted Indoor Unit (0.8-1.5)FSN2 E

3.5.5 RPI - Ducted indoor unit (0.8-1.5)FSN2E
¿ Gas refrigerant pipe installation
1
2
3
The correct position for the gas refrigerant pipe connection is shown below.
Models
Gas pipe mm (inches) Liquid pipe mm (inches)
RPI Ø12.7 (1/2) Ø6.35 (1/4)
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
Thickness
mm
Measurement A
+ 0
/
-
0.4 mm
mm inches
Ø6.35 1/4 0.80 9.1
Ø9.53 3/8 0.80 13.2
Ø12.70 1/2 0.80 16.6
Ø15.88 5/8 1.00 19.7
3 Piping work and
refrigerant charge
98
SMGB0063 rev. 1 - 10/2010