Refrigerant Cycle Diagrams; Refrigerant Cycle Diagram Of Hitachi Air-Cooled Water Chiller (Rcue 40, 50, 60, 70, 100, 120, 140, 180, 210, 280, 350 Ag2) - Hitachi RCUE40AG2 Service Manual

Maintenance

6.8. Refrigerant cycle diagrams

6.8. Refrigerant cycle diagrams

6.8. Refrigerant cycle diagrams
6.8.1. Refrigerant cycle diagram of Hitachi Air-Cooled Water Chiller
(RCUE 40, 50, 60, 70, 100, 120, 140, 180, 210, 280, 350 AG2)
Option
Option
Option
No.
1 Compressor Compressor
2 Air-Cooled Condenser
3 Water Cooler
4 Filter Drier
5 Electronic Expansion Valve Electronic Expansion Valve
6 Check Valve
7 Stop Valve (with check Joint) Stop Valve (with check Joint)
8 High Pressure Switch High Pressure Switch
9 Pressure Sensor (Low) Pressure Sensor (Low)
10 Pressure Sensor (High) Pressure Sensor (High)
11 Pressure Relief Valve

NOTE:
R407C shall be charged by LIQUID.
pag. 166
SMGB0003 rev.0 - 11/2006
Option
Chilled Water Inlet
Chilled Water Outlet
Name No.
12 Sight Glass Sight Glass
13 Compressor Safety Valve (Option) Compressor Safety Valve (Option)
14 Stop Valve (Option) Stop Valve (Option)
15 Stop Valve (Option) Stop Valve (Option)
16 Compressor Dual Safety Valve (Option) Compressor Dual Safety Valve (Option)
17 Stop Valve Stop Valve
A High Pressure Gauge High Pressure Gauge
B Low Pressure Gauge Low Pressure Gauge
C Stop Valve Stop Valve
D Charging Cylinder Charging Cylinder
E Vacuum Pump Vacuum Pump
Charging Evacuation
Unit side
Flange Connection
Flare Connection
Solder Connection
Refrigerant Cycle
Name
Gauge
manifold