D
–EIMAC00708-16EN - 49/76
Figure 22 - ERAD 120E ÷ 490E-SS
– ERAD 120E ÷ 460E-SL
Economised refrigerante circuit
1.
Single-screw compressor
14.
Suction line connection
2.
Non-return valve
15.
Liquid line connection
3.
Compressor discharge shutoff valve
16.
Economiser
4.
High-pressure safety valve (25,5 bar)
14.
Economiser solenoid valve
5.
Condenser coil
18.
Economiser thermostatic expansion valve
6.
Built-in undercooling section
WL1
Low-pressure transducer (-0,5:7,0 bar)
7.
Axial ventilator
W O1.
Oil pressure transducer (0,0:30,0 bar)
8.
Liquid line isolating tap
WH1.
High-pressure transducer (0,0:30,0 bar)
9.
Dehydration filter
WD1.
Discharge temperature sensor/ Oil
10.
Liquid and humidity indicator
F13.
High-pressure pressure switch (21,0 bar)
11.
Liquid injection solenoid valve
W IE.
Chilled fluid entering temperature probe
12.
Compressor suction shutoff valve
W OE.
Chilled fluid leaving temperature probe
13.
Service port
