Hitachi YUTAKI S Series Technical Catalogue page 94

6 General dimensions
Name of parts and Dimensional data
RWD-(2.0-3.0)NRWE-260S-K
Top view
Front view
XEKS1756
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
11 Expansion valve
12 3-way valve (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 (260L)
19 DHW tank heater+thermostat
20 Mounting foot (x4)
86 TCGB0123 rev.2 - 10/2019
Nº Part name
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
2HP: Ø6.35 (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 Shutdown valve (Factory supplied accessory)
30 Tank insulation
31 DHW thermistor
32 Water inlet thermistor
33 Water outlet thermistor
34 Water outlet PHEX thermistor
35 Refrigerant liquid pipe thermistor
36 Refrigerant gas pipe thermistor
37 Manual air purger
38 Pressure and Temperature relief valve
Side view
Units in: mm