Hitachi YUTAKI S COMBI Series Technical Catalogue

2 General data
Component data
TCGB0123 rev.2 - 10/2019
49
2
Model
RWD-2.0NRWE-
(200/260)S(-K)(-W)
RWD-2.5NRWE-
(200/260)S(-K)(-W)
RWD-3.0NRWE-
(200/260)S(-K)(-W)
Expansion vessel
Material - Steel (with stainless/galvanized steel connections)
Internal water volume L 6.0
Working pressure bar 3.0
Pre-loading pressure
(Air side)
bar 1.0
Water strainer
Type - Isolated water strainer (Filter ball)
Material - Brass
Piping connection (in.) 1”, DN25
Mesh (hole size) mm 0.7
Self-cleaning(withbackush)lter - Yes
DHWT Pressure and temperature
relief valve (1)
bar 7
ºC 96
Safety valve - Yes (3 bar)
Low pressure switch - Yes (<0.5 bar)
Unit drain port - Yes
DHW drain valve - Yes
Shut-off valve - Yes (2 factory-supplied valves)
Air purger - Yes
Manometer - Yes
Unit controller - Yes (PC-ARFH1E)
(1) Only for UK version.

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