Static Pressure Setting; Refrigerant Piping Connection - Hitachi RPI-2.0FSN4E Installations- Und Betriebshandbuch

REFRIGERANT PIPING CONNECTION

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Fan speed availability according to the selected external static pressure
According to the selected of External Static Pressure configuration (through the optional function C5) the fan speed available in the
Remote Control Switch are the ones show as example in the following pictures.
High static pressure (SP-01)
?
N O T E
"High H" speed available only with PC-ARFPE 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:
Gas
Pipe
Liquid Pipe
6 PMML0255A rev.6 - 08/2016
Air flow (m³/min)
Drain Pipe
Standard static pressure
(SP-00)
Air flow (m³/min)
4.1.1 Size of piping connection
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Piping size
Model
RPI
Gas
Piping
Liquid
Piping
Low static pressure (SP-02)
Air flow (m³/min)
mm (in)
2.0 2.5/3.0 4.0/5.0/6.0
Ø 15.88 Ø 15.88 Ø 15.88
(5/8") (5/8") (5/8")
Ø 6.35 Ø 9.53 Ø 9.53
(1/4") (3/8") (3/8")