7 Refrigerant cycle and hydraulic circuit
Refrigerant cycle and hydraulic circuit for Split system
TCGB0123 rev.2 - 10/2019
92
7.1 Refrigerant cycle and hydraulic circuit for Split system
7.1.1 YUTAKI S
RAS-(2-3)WHVRP + RWM-(2.0-3.0)NRE(-W)
Refrigerant
Heating refrigerant ow Cooling refrigerant ow Water ow (Heating/Cooling) Field supplied piping line Flare nut connection Brazed connection R32
Outdoor unit
YUTAKI S
? NOTE
(*): Use refrigerant pipe adapters factory supplied with the outdoor unit.
Nº Part name
1 Compressor
2 Air side heat exchanger
3 Accumulator
4 OU electronic expansion valve
5 4-way valve
6 Refrigerant strainer
7 Distributor
8 Refrigerant check joint
Nº Part name
9 High pressure switch for protection
10 Stop valve for gas line
11 Stop valve for liquid line
12 Pressure switch for control
13 Silencer (only for 3 HP)
14 Ambient thermistor
15 Discharge gas thermistor
16 Pipe thermistor
Nº Part name
17 Water side heat exchanger
18 Air purger
19 Safety valve
20 Drain pipe
21 Expansion vessel
22
Air valve for pressure regulation of
expansion vessel
23 Water pump
Nº Part name
24 Water strainer
25 Water inlet connection
26 Water outlet connection
27 Shut-off valve
28 Gas pipe thermistor (heating)
29 Liquid pipe thermistor (heating)
30 Water inlet thermistor
31 Water outlet thermistor
Nº Part name
32 Water electric heater
33 Low pressure switch
34 Water outlet thermistor
35 Manometer
36 IU refrigerant liquid connection
37 IU refrigerant gas connection
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