- Catalogs
- Hitachi-Johnson Controls Air Conditioning Inc.
- AquaFREE System
AquaFREE System
AquaFREE System
Hitachi's AquaFREE system is a versatile heat pump system designed for both heating in winter and partial cooling in summer. It consists of an Inverter Heat Pump outdoor unit and a hydraulic module indoor unit, transferring heat to the water circuit via the AquaFREE module. The system is known for its comfort, reliability, low electrical consumption, and space efficiency compared to conventional boilers.
- Underfloor heating and cooling
- Low temperature radiators
- Swimming pool heating
- Utilizes efficient Hitachi DC Inverter technology
- Estimated savings of approximately 60% over traditional heating methods
- Manufactured in compliance with the RoHs Environmental Directive
- Sound Pressure Level: Measured at 1 meter from the unit's front surface with a power source voltage of 230V
- Cooling and heating capacities are based on EN 12055 and EN 255 standards respectively
- Operation conditions include specific water and air inlet temperatures
- Various models (RAS and RWM) with different power supplies, dimensions, and capacities
- Refrigerant type: R410A
- Compressor type: Hermetic (Rotary or Scroll)
- Flow control: Microprocessor-controlled expansion valve
- Sound pressure levels and air flow rates vary by model
- Remote control options available
- Models with electric heaters and swimming pool compatibility
Catalog excerpts
Models (RWM) RWM-3FSN1E RWM-4FSN1E RWM-5FSN1EPower Supply Models (RWM) RWM-3FSN1E / 4.5H1 RWM-4FSN1E / 6H1 RWM-5FSN1E / 6H1 RWM-4FSN1E / 6H3 RWM-5FSN1E / 6H3Power Supply 1-230V / 50Hz ֖ 1-230V / 50Hz 3-400V / 50Hz Cooling for Radiant Floor Cooling for Radiant Floor > Min kW 3.9 4.9 6.7 > Min kW 3.9 4.9 6.7 4.9 6.7 > Norm kW 7.1 10.0 12.5 > Norm kW 7.1 10.0 12.5 10.0 12.5 > Max kW 8.0 11.2 14.0 > Max kW 8.0 11.2 14.0 11.2 14.0 EER 3.51 3.22 3.54 EER ֖ 3.51 3.22 3.54 3.22 3.54 Heating for Radiant Floor Heating for Radiant Floor > Min kW 4.0 5.7 7.0 > Min kW 4.0 5.7 7.0 5.7 7.0 > Norm kW 8.0 11.2...
Open the catalog to page 2All Hitachi-Johnson Controls Air Conditioning Inc. catalogs and technical brochures
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dehumidifiers24 Pages
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Hermetic compressors5 Pages
RCME-AH2 Pages
FSXNH2 Pages
FSXN2 Pages
FSNM2 Pages
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Air Cooled Heat Pump2 Pages
Cooling Only2 Pages
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KPI Active2 Pages
ES Outdoor Units2 Pages
IVX Premium Outdoor Units2 Pages
IVX Comfort Outdoor Units2 Pages
Yutaki2 Pages
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S-Series Wall Mounted2 Pages
Ducted In the Ceiling2 Pages
Monozone 600 x 600 Cassette2 Pages
KPI series2 Pages
FS(V)N(Y)2E2 Pages
Utopia ES2 Pages
Summit Wall Mounted RAK-PEB2 Pages
Archived catalogs
Yutaki Heat Pumps2 Pages
Room Air Conditioners29 Pages
Utopia Split Systems24 Pages
Heat pumps7 Pages
- Wireless remote control
- Communication gateway
- Industrial remote control
- Remote control with buttons
- Wireless gateway
- IoT gateway
- On/off remote control
- Compact remote control
- Air duct
- Compact gateway
- Flexible air duct
- WiFi gateway
- CANbus gateway
- Floor-standing air conditioner
- 8-button remote control
- 6-button remote control
- Control remote control
- Outdoor air conditioner
- Wall-mounted air conditioner