Rasm-(4-7)(V)R1E - Hitachi YUTAKI M R32 Series Installation & Operation Manual

2.1.2 RASM-(4-7)(V)R1E

PMML0600 rev.0 - 06/2022
1.
Compressor
2.
Water side heat exchanger
3.
Air side heat exchanger
4. Economizer
5. Electrical box
6. Fan (x2)
7. Expansion valve (x3)
8. Reversing valve
9. Solenoid valve (SVA)
10.
Solenoid valve (SVC)
11.
Solenoid valve (SVE)
12.
Accumulator
13.
High pressure switch (PSH)
14.
Water pump
15.
Water Outlet (1-1/4")
16.
Water inlet (1-1/4")
17.
Water strainer
18. Refrigerant strainer (x5)
19. Stop valve for gas line Ø15.88
(5/8")
20. Stop valve for liquid line
Ø9.52(3/8")
21.
Safety valve
22.
Expansion vessel
23.
Switch for DHW "emergency"
operation
24. Sensor for refrigerant pressure
(Pd)
25. Sensor for refrigerant pressure
(Ps)
26. Ambient thermistor
27.
Evaporation thermistor
28.
Liquid refrigerant pipe in
heating thermistor
29.
Gas refrigerant pipe thermistor
30.
Compressor suction thermistor
31.
Compressor discharge
thermistor
32.
Outlet economizer thermistor
33. Water inlet pipe thermistor
34. Water outlet pipe thermistor
2
21