Refrigerant Cycle; Refrigerant Cycle Diagram Of Hitachi Air-Cooled Water Chiller - Hitachi RCUE40AG1 Installation, Operation And Maintenance Instructions

11.9. REFRIGERANT CYCLE DIAGRAM OF HITACHI AIR-COOLED WATER CHILLER (RCUE
40,80AG1)
Option
Option
Option
No.
1 Compressor
2 Air Cooled Condenser
3 Water Cooler
4 Drier Strainer
5 Expansion Valve
6 Check Valve
7 Stop Valve (with check Joint)
8 Stop Valve
9 High Pressure Switch
10 Pressure Sensor (Low)
11 Pressure Sensor (High)
NOTE:
R407C shall be charged by LIQUID.
Option
Chilled Water Inlet
Chilled Water Outlet
Name No.
12
13
14
15
16
17
A
B
C
D
E
Unit Side
Name
Pressure Relief Valve
Sight Glass
Compressor Safety Valve (Option)
Stop Valve (Option)
Stop Valve (Option)
Compressor Dual Safety Valve (Option)
High Pressure Gauge
Low Pressure Gauge
Stop Valve
Charging Cylinder
Vacuum Pump
MAINTENANCE
11
/45
Gauge
Manifold
Charging Evacuation