Dimensions of the flare nuts for flared connections
Nominal diameter
Measurement B mm
mm inches
Ø6.35 1/4 17
Ø9.53 3/8 22
Ø12.70 1/2 26
Ø15.88 5/8 29
¿ Drain pipe installation
The correct position for the drain hose connection is shown below.
RPI-(2.0–6.0)FNS2E
RPI-(8.0/10.0)FSN2E
N O T E
Do not install gas refrigerant pipes at the access to the
electrical box and the drain hose. Install in line with the two
possibilities shown in the figure.
Prepare a polyvinyl chloride (PVC) pipe with an outer diameter of
32 mm (25 mm for RPI-(8.0/10.0)FSN2E).
Secure the pipe with the clamp and adhesive supplied (only for RPI-
(8.0/10.0)FSN2E).
The drain hose must have a gradient of 1% (1/100) to 4% (1/25).
The drain hose cannot be installed on an upwards line, not even
on one section of the installation. In this case, the condensate water
accumulates at the lowest point immediately before the raised
section of the installation.
Drain piping
Drain piping
RPI - 2. 0~6.0
RPI - 8. 0~10.0
RPI-(2.0-6.0)
RPI-(8.0/10.0)
Drain pipe
Drain pipe
Drain pipe
3 Piping work and
refrigerant charge
101
SMGB0063 rev. 1 - 10/2010
3
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