Hitachi RPI-0.4FSN5E - Fan Speed Availability According to Selected External Static Pressure; Static Pressure Setting; Refrigerant Piping Connection; Size of Piping Connection

REFRIGERANT PIPING CONNECTION
PMML0385 rev.2 - 12/2018
12
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Fan speed availability according to the selected external static pressure
According to the selected of External Static Pressure conguration (through the optional function C5) the fan speeds available in the
Remote Control Switch are the ones show as example in the following pictures.
External Static Pressure (Pa)
High static pressure (SP-01)
External Static Pressure (Pa)
Standard static pressure (SP-00)
External Static Pressure (Pa)
Low static pressure (SP-02)
Air ow (m³/min) Air ow (m³/min) Air ow (m³/min)
? NOTE
"High H" speed available only with PC-ARFP(1)E remote control switch.
3.1.4 Static pressure setting
RPI units have been provided by three Static Pressure levels regulation depending on the installation requirements.
High Static Pressure, Standard Static Pressure (Factory setting) and Low Static Pressure conditions are available.
Static Pressure setting shall be made from the Remote Control Switch. For changing to High and Low Static Pressure level, refer to
Installation and Operation Manual remote control.
4 REFRIGERANT PIPING CONNECTION
Position of piping connection is the following: mm (±2)
RPI-(0.4-1.5)FSN5E
Liquid piping connection
Gas piping connection
Drain pipe
connection
RPI-(2.0-6.0)FSN5E
Liquid piping connection
Gas piping connection
2.0 - 3.0 HP 4.0 - 6.0 HP
a 192 198
b 167 173
c 132 138
Drain pipe
connection
4.1 SIZE OF PIPING CONNECTION
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Piping size
mm (in)
Model RPI 0.4-1.5 2.0 2.5/3.0 4.0-6.0
Gas piping
Ø 12.7
(1/2”)
Ø 15.88
(5/8”)
Ø 15.88
(5/8”)
Ø 15.88
(5/8”)
mm (in)
Model RPI 0.4-1.5 2.0 2.5/3.0 4.0-6.0
Liquid piping
Ø 6.35
(1/4”)
Ø 6.35
(1/4”)
Ø 9.52
(3/8”)
Ø 9.52
(3/8”)