Hitachi RAS-3HVRNME-AF, Installation And Operation Manual, Page: 19 / 40

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PMML0205A rev.4 - 11/2012
ENGLISH
8 REFRIGERANT CYCLE
EXAMPLE:
R410A 4.15 MPa
Refrigerant Flow
for Cooling
Refrigerant Flow
for Heating
Refrigerant Piping
in the installation
Connection With
Flare Nut
Flange Connection Brazing Connection Refrigerant
Airtight Test
Pressure
Nº. Name of Item Nº. Name of Item
1 Compressor 9 High Pressure Switch (Protection)
2 Heat Exchanger 10 Stop Valve for Gas Line
3 Filter 11 Stop Valve for Liquid Line
4 Expansion valve 12 Pressure Switch Control
5 Reverse Valve 13 Solenoid Valve
6 Filter (1/2) 14 Ambient Thermistor
7 Distributor 15 Evaporating Pipe Thermistor
8 Check Joint 16 Discharge Gas Thermistor
REFRIGERANT CYCLE