General Dimensions - Hitachi YUTAKI S COMBI Series Instruction Manual

GENERAL DIMENSIONS

3 GENERAL DIMENSIONS
3.1 NAME OF PARTS AND DIMENSIONAL DATA
3.1.1 RWD-(2.0-6.0)(N/R)W1E-220S(-K)
View from A
Number Part name
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 heating and DHW)
13 Electrical box
14 Switch for DHW emergency operation
15 Unit controller
16 Manometer
17 DHW tank (220L)
18 DHW tank heater+thermostat
19 Mounting foot (x4)
3 PMML0573 rev.1 - 07/2021
Front view
XEKS2015
Number
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
Side view
Part name
Water inlet pipe connection
2.0-6.0HP: G 1" female
Water outlet pipe connection
2.0-6.0HP: G 1" female
DHW inlet pipe connection - G 3/4" male
DHW outlet pipe connection - G 3/4" male
Refrigerant liquid pipe connection
2.0HP: Ø 6.35 (1/4") / 2.5~6HP: Ø9.52 (3/8")
Refrigerant gas pipe connection - Ø15.88 (5/8")
Drain port (For DHW) - G 3/8"
Shutdown valve (Factory supplied accessory)
Tank insulation
DHW thermistor 1
DHW thermistor 2
Water inlet thermistor
Water outlet thermistor
Water outlet PHEX thermistor
Refrigerant liquid pipe thermistor
Refrigerant gas pipe thermistor
Pressure and Temperature relief valve
?
N O T E
Water flow direction
Units in: mm