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VRF system

The VRF system is the direct expansion solution for year round air conditioning, particularly suitable for commercial buildings, hotels and offices.

Both on the source side and on the use side, it is based on the direct heat exchange between refrigerant and environment.

The system terminals, ie the indoor units, are an integral part of the cooling circuit, acting as an evaporator in summer operation and as a condenser in winter operation.

Compared to the SPLIT system, the VRF is characterized by the presence of the electronic expansion valve on the individual indoor units, ensuring a greater extension of the system, in addition to a high number and total operation independence of the terminals.

The offer is completed by units for air renewal: HRV recuperators, AQX VRF direct expansion air handling units, ZEPHIR3 units with active thermodynamic recovery.

Why choose the VRF system

HIGH EFFICIENCY

Thanks to a full DC inverter range (compressors, fans) and electronic controls that allow only the power actually required by the individual zones to be supplied, the VRF system offers high efficiency and energy savings.

SYSTEM FLEXIBILITY AND MODULARITY

The VRF system is able to meet the demands of air conditioning from small to large buildings, thanks to a wide range of units and extended cooling lengths. The system architecture is designed to be totally modular, combining units and controls according to specific needs. The automatic unit addressing function, available as standard, greatly simplifies and speeds up the installation phase.

WIDE OPERATION RANGE AND HIGH RELIABILITY

The correct functioning of the system is ensured up to -25 ° C in heating and from -15 ° C to 48 ° C in cooling. Reliability guaranteed by rigorous tests in the production phase and by multiple functions, including the rotation of the compressors for balancing the operating time and the backup in case of emergency in multi-module systems.

LOCAL OR REMOTE MULTI-ZONE CONTROL

The wide range of control systems makes it possible to take full advantage of the total independence of the terminals located in the different areas of the building, based on the specific requests. Commands are available for local management (individual units or centralized), or remotely (via cloud from a smartphone, tablet or PC).

The system's elements

Outdoor units

They represent the" heart "of the system, producing thermal and cooling energy according to the needs of the environments served. Available in multiple series that are distinguished by the wide range of capacities and types available:

  • Power capacity from 8 to 45 kW for Mini VRF and from 25 to 270 kW for VRF
  • Available in compact Mini VRF series, heat pump and heat recovery VRF, air or water source (VRF heat pump)
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Indoor units

They represent the terminal units and are available in 14 series (boxes, ductable, wall-mounted, ceiling-mounted and floor-standing) with a total of over 100 models to satisfy any application. Full DC inverter range with 7 ventilation speeds available.

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HRV air renewal

The air renewal units with heat recovery allow the air renewal minimizing the energy consumption and the temperature fluctuations.

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Control systems

A wide range of commands allows you to manage the different zones locally or remotely independently according to your specific needs.

Available: wireless and wired remote controls, centralized touchscreen controls, interfaces for cloud control from smartphones, tablets or PCs, supervision systems for centralized management of multiple systems even in different locations and BMS interfaces for integration of the VRF system with third-party equipment.

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