Hitachi YUTAKI S COMBI Series Technical Catalogue

6 General dimensions
Name of parts and Dimensional data
TCGB0123 rev.2 - 10/2019
81
6
6.1.2 Split system - Indoor unit
6.1.2.1 YUTAKI S

RWM-(2.0-3.0)NRE(-W)
Front view
Top view
Side view
Wall support
dimensions
Wall xing holes
Water
Liquid
Gas
XEKS1729
Units in mm
Nº Part name Nº Part name
1 Plate heat exchanger 13 Unit controller (Except (-W) models)
2 Water pump 14 Electrical box
3 Electric water heater 15 Switch for DHW emergency operation
4 Expansion vessel 6L 16 Water inlet pipe connection - G 1” Female
5 Water strainer 17 Water outlet pipe connection - G 1” Female
6 Air purger 18 Refrigerant gas pipe connection - Ø15.88 (5/8”)
7 Water low pressure switch 19
Refrigerant liquid pipe connection
2.0HP: Ø6.35 (1/4”)
2.5/3.0HP: Ø9.52 (3/8”)
8 Safety valve 20 Shut-off valve (Factory-supplied accessory)
9 Drain pipe for safety valve 21 Thermistor (Water inlet pipe)
10 Expansion valve 22 Thermistor (Water outlet pipe)
11 Manometer 23 Thermistor (Water outlet PHEX)
12 Refrigerant strainer (x2) 24 Thermistor (Liquid refrigerant pipe)
25 Thermistor (Gas refrigerant pipe)

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