Hitachi RAS-3WHVRP Technical Catalogue

2 General data
Component data
TCGB0123 rev.2 - 10/2019
47
2
2.5.2 Split system - Indoor unit
2.5.2.1 YUTAKI S
Model RWM-2.0NRE(-W) RWM-2.5NRE(-W) RWM-3.0NRE(-W)
Water heat exchanger
Type - Brazed plate
Material - Stainless steel
Transferuids - R32 - H
2
O
Quantity - 1
Internal refrigerant volume L 0.54 0.73 0.81
Internal water volume L 0.57 0.76 0.84
Insulation material - NBR + PVC
Water pump
Model - PARA RS15/7.0
Type - Inverter
Control - PWM
Power supply - 1~ 230V 50Hz
Maximum lift pressure mwp 7.6
Maximumwaterow m
3
/h 3.5
Maximum power input W 50
Piping
Water inlet inches G 1”
Water outlet inches G 1”
Inlet/outlet distance mm 130
Water electric heater
Material - Stainless steel (Immersion heating element)
Power supply - 1~ 230V 50Hz
Maximum electric heater power kW 3.0
Regulated electric heater power
(step 1/ step 2/ step 3)
kW 1.0/2.0/3.0
Capillary thermostat - Yes (Cut-out: 90 ºC)
Surface thermostat - Manual reset, Non-adjustable (one per unit) 75ºC±5%
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 inches 1”, DN25
Mesh (hole size) mm 0.7
Self-cleaning(withbackush)lter - Yes
Safety valve - Yes (3 bar)
Low pressure switch - Yes (<0.5 bar)
Shut-off valve - Yes (2 factory-supplied valves)
Air purger - Yes
Manometer - Yes
Unit controller - Yes (PC-ARFH1E)

Hitachi RAS-3WHVRP Specifications

General

Brand	Hitachi
Model	RAS-3WHVRP
Category	Heat Pump
Language	English