Refrigerant Piping - Hitachi RPF-1.0 FSN2E Installations- Und Betriebshandbuch

REFRIGERANT PIPING

Air Outlet Direction Change (RPFI)
In case of changing the RPFI units air outlet direction from
upward to front, follow the procedures below.
1 Remove the fixing screws of the air outlet flange and the up-
front cover. Then, remove the flange and the cover.
2 Reverse the side of the flange right and left.
3 Put the cover on the top of the unit, and put the flange on the
front side of the unit.
4 Fix the flange and the cover.
4 REFRIGERANT PIPING
4.1 PIPING CONNECTION
4.1.1 Piping Position
Piping connection of RPF
4.1.2 Size of piping connection
 Piping size
Model RPF(I) 1.0 / 1.5
∅12.70 (5/8)
 Gas Piping
∅ 6.35 (1/4)
 Liquid Piping
∅ 18,5 OD
 Drain Piping
6 PMML0159A rev.3 - 05/2016
Units mm
mm (pulg.)
2.0 2.5
∅ 5.88 (5/8) ∅ 15.88 (5/8)
∅ 6.35 (1/4) ∅ 9.53 (3/8)
∅ 18,5 OD ∅ 18,5 OD
Optional Location for PC-ARFPE (RPF)
In case of RPF unit, it is possible to install the PC-ARFPE under
the plastic cover as show in the following figure.
Fix PC-ARFPE
by using 2 screws
(factory supplied)
Piping connection of RPFI Units mm