RAS-(4-6)WH(V)NE
Refrigerant
Heating refrigerant ow Cooling refrigerant ow Water ow (Heating/Cooling) Field supplied piping line Flare nut connection Brazed connection R410A
Nº. Part name
1 Compressor
2 Air side heat exchanger
3 Accumulator
4 Receiver
5 Electronic expansion valve
6 4-way valve
7 Solenoid valve for gas by-pass
8 Refrigerant strainer
9 Distributor
10 Refrigerant check joint
11 High pressure switch for protection
12 Sensor for refrigerant pressure
Nº. Part name
13 Stop valve for gas line
14 Stop valve for liquid line
15 Check valve
16 Silencer
17 Pressure switch for control
18 Ambient thermistor
19 Discharge gas thermistor
20 Pipe thermistor
21 Water side heat exchanger
22 Air purger
23 Safety valve
24 Drain pipe
Nº. Part name
25 Expansion vessel
26 Expansion vessel drain port
27 Water pump
28 Water strainer
29 Water inlet connection
30 Water outlet connection
31 Shut-off valve (Accessory)
32 Gas pipe thermistor (Heating)
33 Liquid pipe thermistor (Heating)
34 Water inlet thermistor
35 Water outlet thermistor
REFRIGERANT CYCLE AND HYDRAULIC CIRCUIT
PMML0335A rev.1 - 04/2016
84
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