Hitachi YUTAKI S COMBI Series Installation And Operation Manual

10
PMEN0645 rev.0 - 04/2023
2
YUTAKI S COMBI - RWD-(1.5-3.0)RW2E-220S(-K/6H)
NAME OF PARTS AND DIMENSIONAL DATA
2.1 YUTAKI S Combi - RWD-(1.5-3.0)RW2E-220S(-K/6H)
1. Plate heat exchanger
2. Water pump
3. Electric water heater
4. Expansion vessel 6L
5. Water strainer
6. Air purger (x2)
7. Water pressure sensor
8. Safety valve
9. Drain pipe for safety valve
10. Refrigerant strainer (x2)
11. Expansion valve
12. 3-way valve (for space heang and DHW)
13. Electrical box
14. Switch for DHW emergency operaon
15. Unit controller
16. Manometer
17. DHW tank (220L)
18. DHW tank heater+thermostat
19. Mounng foot (x4)
20. Water inlet pipe connecon - G 1” female
21. Water outlet pipe connecon - G 1” female
22. DHW inlet pipe connecon - G 3/4” male
23. DHW outlet pipe connecon - G 3/4” male
24. Refrigerant liquid pipe connecon -Ø 6.35 (1/4”)
25. Refrigerant gas pipe connecon - Ø12.7 (1/2”)
26. Drain port (For DHW) - G 3/8”
27. Shutdown valve (Factory supplied accessory)
28. Tank insulaon
29. DHW thermistor 1
30. DHW thermistor 2
31. Water inlet thermistor
32. Water outlet thermistor
33. Water outlet PHEX thermistor
34. Refrigerant liquid pipe thermistor
35. Refrigerant gas pipe thermistor
36. P&T Valve (Only UK Models)
37. Anode connecon (accessory)
Units: mm
Front view
View from A
Side view
XEKS2015_r0
 NOTE
Water ow direcon

Hitachi YUTAKI S COMBI Series Specifications

General

Type	Air-to-Water Heat Pump
Energy Efficiency Class (Cooling)	A++
Refrigerant	R32
Operating Temperature Range (Heating)	-20°C to 35°C
Energy Efficiency Class (Heating)	A+++
Integrated DHW Tank	190 liters
Dimensions (Indoor Unit)	Varies by model
Dimensions (Outdoor Unit)	Varies by model
Weight (Indoor Unit)	Varies by model
Weight (Outdoor Unit)	Varies by model
Operating Temperature Range (Cooling)	+10°C to +46°C