Refrigerant Pipe Connections - Hitachi RAS-H(V)RNME-AF Service Manual

3 Piping work and
refrigerant charge

Indoor unit
Before performing the pipe work and pipe connections, the unit cover must be removed (follow chapter Indoor Unit Insta-
llation in reverse).
Piping location
Refere to the figure below detailing the location of the refrigerant pipes, dimensions and connection sizes.
N O T E
There is a label behind the pipes indicating its circuit connection.
RWM-(2.0-6.0)FSN3E
Refrigerant
liquid piping
Refrigerant gas
Water in
piping
Water out

Refrigerant Pipe Connections

- The indoor unit is set up to be connected the liquid pipe by Flare Nut (factory supplied). Perform the indicated pipe
work by maintaining the dimensions indicated in the following tables.
64
SMGB0070 rev.1 - 08/2011
Refrigerant
liquid piping
Refrigerant gas piping
Water inlet/outlet pipe
Water in
Water out
RWM-(8.0/10.0)FSN3E
Refrigerant
liquid piping
Refrigerant gas
piping
Refrigerant
liquid piping
Refrigerant gas piping
Water inlet/outlet pipe