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5.2 REFRIGERANT CYCLE AND HYDRAULIC CIRCUIT FOR MONOBLOC SYSTEM - YUTAKI M
RAS-3WHVNE
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 Liquid tank
5 Electronic expansion valve
6 4-way valve
7 Solenoid valve for gas by-pass
8 Refrigerant strainer
9 Distributor
Nº Part name
10 Refrigerant check joint
11 High pressure switch for protection
12 Stop valve for gas line
13 Stop valve for liquid line
14 Sensor for refrigerant pressure
15 Silencer
16 Pressure switch for control
17 Ambient thermistor
18 Discharge gas thermistor
Nº Part name
19 Pipe thermistor
20 Water side heat exchanger
21 Air purger
22 Safety valve
23 Drain pipe
24 Expansion vessel
25
Air valve for pressure regulation of
expansion vessel
26 Water pump
Nº Part name
27 Water strainer
28 Water inlet connection
29 Water outlet connection
30 Shut-off valve (Accessory)
31 Gas pipe thermistor (Heating)
32 Liquid pipe thermistor (Heating)
33 Water inlet thermistor
34 Water outlet thermistor
REFRIGERANT CYCLE AND HYDRAULIC CIRCUIT
PMML0335A rev.1 - 04/2016
83
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