Hitachi RAS-(3-6)HVNC1(E) Service Manual page 107

3 Piping work and
refrigerant charge
Model
Pipe
For liquid pipe
For gas pipe
Model
Pipe
For liquid pipe
For gas pipe
Model
Pipe
For liquid pipe
For gas pipe
O.U.: Outdoor Unit
I.U.: Indoor Unit
93
SMGB0087 rev.0 - 12/2013
TRF-NP160U
130
Pipe connecting
port for I.U
(Flare connection)
262
130
Pipe connecting
port for I.U
(Flare connection)
O.U.: Outdoor Unit
I.U.: Indoor Unit
TRF-NP280U
314
130
314
130
Pipe connecting
port for I.U
(Brazing connection)
360
360
200
200
Pipe connecting
port for I.U
(Brazing connection)
O.U.: Outdoor Unit
I.U.: Indoor Unit
TRF-NP335U1
(314)
(130)
Pipe connecting
port for I.U
(Brazing connection)
(360) (360)
(200)
(200)
Pipe connecting
port for I.U
(Brazing connection)
Pipe connecting
port for O.U
(Flare connection)
Pipe connecting
port for O.U
(Flare connection)
Pipe connecting
port for O.U
(Flare connection)
Pipe connecting
port for O.U
(Flare connection)
(314)
(130)
Pipe connecting
port for O.U
(Flare connection)
Pipe connecting
port for O.U
(Flare connection)
3