AERMEC NRGI-H - Refrigerant Circuit with Desuperheater

21.01  5723611_01 17
REFRIGERANT CIRCUIT WITH DESUPERHEATER
NRGI HD 151-201-281
1 Finned coil
2 One-way valve
3 Liquid temperature probe (coil heat exchang-
er)
4 Filter drier
5 Sight glass
6 Liquid temperature probe
7 Electronic thermostatic expansion valve
8 Liquid accumulator
9 Water temperature sensor (IN)
10 Water temperature sensor (OUT)
11 Plate heat exchanger
12 Liquid separator
13 Inlet gas temperature probes
14 Discharge temperature sensor
15 Compressor
16 Low pressure transducer
17 Low pressure switch
18 Low pressure side pressure relief valve
19 Desuperheater
20 4-way cycle inversion valve


2 2
22
3 3
2
4
5
6
7
8
2
9
10
11
12
1314
15
161718
19
20
NRGI HD 302-332-352
1 Finned coil
2 One-way valve
3 Liquid temperature probe (coil heat exchang-
er)
4 Filter drier
5 Sight glass
6 Liquid temperature probe
7 Electronic thermostatic expansion valve
8 Liquid accumulator
9 Water temperature sensor (IN)
10 Water temperature sensor (OUT)
11 Plate heat exchanger
12 Liquid separator
13 Inlet gas temperature probes
14 Discharge temperature sensor
15 Compressor
16 Low pressure transducer
17 Low pressure switch
18 Low pressure side pressure relief valve
19 Desuperheater
20 High pressure side pressure relief valve
21 High pressure switch
22 High pressure transducer
23 4-way cycle inversion valve


2 2
2
22
3
4
5
6
77
8
3
2
9
10
11
12
13
1414
20 21
22
23
21
1515
16
1718
19