Rasm-(3/4)Wf2E - Hitachi YUTAKI M RASM-3WF2E Installation And Operation Manual

2.1 RASM-(3/4)WF2E

Units: inches
PMEN057 rev.0 - 02/2024
Compressor
1.
2. Water side heat exchanger
3. Air side heat exchanger
4. Economizer
5. Electrical box
Fan (x2)
6.
7. Expansion valve (x3)
Reversing valve
8.
9. Solenoid valve (SVA)
10. Solenoid valve (SVC)
11. Solenoid valve (SVE)
12. Accumulator
High pressure switch (PSH)
13.
14. Water pump
15. Water Outlet (NPT 1-1/4")
16. Water inlet (NPT 1-1/4")
17. Water strainer
Refrigerant strainer (x5)
18.
19. Stop valve for gas line
5/8" (Ø15.88)
20. Stop valve for liquid line 3/8"
(Ø9.52)
Safety valve
21.
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.  E vaporationthermistor
28. Liquid refrigerant pipe in
heatingthermistor
Gas refrigerant pipe thermistor
29.
30.  C ompressorsuctionthermistor
31. Compressor discharge thermistor
32. Outlet economizer thermistor
33. Water inlet pipe thermistor
Water outlet pipe thermistor
34.
35. Fuse plug
2
11