Catalogue AquaFREE System
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Hitachi Air-conditioning & Refrigeration Division - 4167, 93324, 130978, 90394, 2844
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Inspire the Next
Outdoor Units - DC Inverter
General Data
Models (RAS)
RAS-3HVRNE
RAS-4HVRNE
RAS-5HVRNE
RAS-4HRNE
RAS-5HRNE
1-230V / 50Hz
3-400V / 50Hz
Colour (Munsell Code)
Natural Grey (1.0Y8.5/0.5)
AquaFREE System
Sound Pressure Level
Night Mode dB (A)
43 / (41)
45 / (41)
47 / (43)
45 / (41)
47 / (43)
Sound Pressure Level dB (A)
64
66
69
66
68
Outer Dimension
Height mm
800
1240
1240
1240
1240
Width mm
850
950
950
950
950
Depth mm
315
315
315
315
315
Net Weight kg
60
95
97
100
102
Refrigerant Type -
R410A
Flow Control -
Micro Processor Controlled Expansion valve
Quantity -
Hermetic (Rotary) 1
Hermetic (Scroll) 1
Hermetic (Scroll)
1
Hermetic (Scroll)
1
Hermetic (Scroll)
1
Power mm
0.98
1.38
1.38
2.2
3.0
Multi-Pass Cross-Finned Tube
Condenser Fan (Type) -
Quantity -
Propeller Fan 1
Propeller Fan
2
Propeller Fan 2
Propeller Fan 2
Propeller Fan 2
Air Flow Rate m3/min
45
80
90
80
90
Power W
50
30 + 50
50 + 70
30 + 50
50 + 70
Refrigeration Piping -
Connection with nuts
Connections Size
Gas mm (inches)
09.53 (3/8")
Liquid mm (inches)
015.88 (5/8")
Refrigerant Charge kg
2.4
3.6
3.6
3.6
3.6
Maximum Current A
25
32
32
11
15
Packaging Dimensions m3
0.34
0.55
0.55
0.55
0.55
Hitachi's AquaFREE system is a Heat Pump heating system for winter, and a partial cooling system for summer. The system consists of an Inverter Heat Pump outdoor unit and a hydraulic
module indoor unit. The heat pump absorbs or sends the heat to the outside, and transfers it to the water circuit by means of the AquaFREE module.
The AquaFREE air conditioning system incorporates a set of
technical benefits that make it one of the most attractive on the market. Right from selection of the ideal type of equipment in each case, up to its maintenance, and through installation, start up and operation. AquaFREE always provides the best solution for every user and greatly simplifies and eases the user's selection process.
AquaFREE systems provide great comfort, high reliability, rigorous design, low electrical consumption and require less installation space than a conventional boiler.
NOTES:
The nominal cooling and heating capacity is the combined
capacity of HITACHI'S AquaFree system, and it based with
the following standards:
Cooling capacity EN 12055
Heating capacity reverse cycle units EN 255
The Sound Pressure Level is based on the following conditions: 1 meter from unit's front surface Voltage of the power source is 230V
The above data was measured in an anaechoic chamber so that reflected sound should be taken into consideration when installing the unit.
email: aircon.enquiries@hitachi-eu.com
www.hitachiaircon.com
Hitachi Europe Ltd, Whitebrook Park, Lower Cookham Road, Maidenhead SL6 8YA
Operation conditions
Water Temperature
Cooling
23.0oC 18.0oC 35.0oC
Heating
36.0oC 30.0oC 7.0oC 6.0oC
Inlet Outlet DB WB
Outdoor Air inlet
Temperature
Piping Length: 7.5 metres / Piping lift: 0 meters
DB: dry bulb / WB: wet bulb
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