Hitachi YUTAKI M R32 Series - YUTAKI H Combi - HWD-WE-220 S

24
PMML0600 rev.0 - 06/2022
2
YUTAKI H COMBI - HWD-WE-220S
NAME OF PARTS AND DIMENSIONAL DATA
2.4 YUTAKI H Combi - HWD-WE-220S
1. Water pump
2. Electric water heater
3. Expansion vessel (6 Liters)
4. Water strainer
5. Air purger (x2)
6. Water pressure sensor
7. Safety valve
8. Drain pipe for safety valve (Fac-
tory-supplied accessory)
9. 3-way valve (for space heating
and DHW)
10. Electrical box
11. Switch for DHW “emergency
operation”
12. LCD Controller
13. Manometer
14. DHW tank (220 L)
15. DHW tank heater + thermostat
16. Mounting foot (x4)
17. Water inlet connection (G1”
(female))
18. Water outlet connection (G1”
(female))
19. DHW inlet connection (G3/4”
(male)
20. DHW outlet connection (G3/4”
(male))
21. Water HP inlet connection (G1”
(female))
22. Water HP outlet connection (G1”
(female))
23. Drain port (for DHW) (G3/8”)
24. Shutdown valve (factory-sup-
plied accessory)
25. Tank insulation
26. DHW thermistor 1 (Down)
27. DHW thermistor 2 (Up)
28. Water inlet thermistor (THMwi)
29. Water outlet thermistor (THM-
wo)
30. Water heat pump thermistor
(THMwohp)
31. Drain port (for unit) (G3/8”)
View from A
 NOTE
Water ow direction