Hitachi YUTAKI S Series Technical Catalogue page 90

6 General dimensions
Name of parts and Dimensional data
6.1.2.2 YUTAKI S COMBI
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Standard model
RWD-(2.0-3.0)NRWE-200S(-W)
Top view
Front view
XEKS1723
Nº Part name
1 Plate heat exchanger
2 Water pump
3 Electric water heater
4 Expansion vessel 6L
5 Water strainer
6 Air purger
7 Low water pressure switch
8 Safety valve
9 Drain pipe for safety valve
10 Refrigerant strainer (x2)
11 Expansion valve
3-way valve
12
(for space heating and DHW)
13 T-branch (for space heating and DHW)
14 Electrical box
15 Switch for DHW emergency operation
16 Unit controller (Except (-W) models)
17 Manometer
18 DHW tank (200L)
19 DHW tank heater+thermostat
82 TCGB0123 rev.2 - 10/2019
Nº Part name
20 Mounting foot (x4)
Water inlet pipe connection
21
2.0-3.0HP: G 1" female
Water outlet pipe connection
22
2.0-3.0HP: G 1" female
23 DHW inlet pipe connection - G 3/4" female
24 DHW outlet pipe connection - G 3/4" female
Refrigerant liquid pipe connection
25
2.0HP: Ø 6.35 (1/4") / 2.5~3HP: Ø9.52 (3/8")
26 Refrigerant gas pipe connection - Ø15.88 (5/8")
27 Drain port (For indoor unit water) - G 3/8"
28 Drain port (For DHW) - G 3/8"
29 Manual air purger
30 Shutdown valve (Factory supplied accessory)
31 Tank insulation
32 DHW thermistor
33 Water inlet thermistor
34 Water outlet thermistor
35 Water outlet PHEX thermistor
36 Refrigerant liquid pipe thermistor
37 Refrigerant gas pipe thermistor
Side view
Units in: mm