Hitachi RAS-(4-12)HNP(1)(E) - Connecting Flare Adapter

3 Piping work and
refrigerant charge
82
SMGB0087 rev.0 - 12/2013
3.3.7 Connecting are adapter
Flare nut (accessories)
Pipe (accessories)
Indoor unit
Flare adapter (accessories)
Gas line
Pipe
(eld supplield)
Liquid line
The piping sizes for indoor unit and outdoor unit are different. Attach the are adapter (accessories) at the indoor piping
union part.
Use the adequate are adapter as follows:
Indoorunit
Flareadapter
Gaspipe Liquidpipe
2.0 HP
Big size
(∅15.88→∅12.70)
-
2.5 HP
Big size
(∅15.88→∅12.70)
Small size
(∅9.52→∅6.35)