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SITALI CX 550
Double flow centralised HRV
The Sitali CX 550 ducted HRV unit, dual-flow with heat recovery, can be installed vertically on the wall (with left or right configuration, for maximum flexibility). It has a maximum air flow rate of 520 m3/h and comes with a multifunction control panel, from which the unit's weekly schedule can be set, as well as ventilation speeds, and fault or filter replacement indicators can be displayed. Thanks to the built-in physical bypass, the Sitali CX 550 unit is ideal for "free cooling" operation during the summer season.
INTEGRATED PHYSICAL BYPASS
Ideal for “free cooling” operation during the summer 
VERTICAL INSTALLATION
Suitable for wall installation in a vertical position.
AUTOMATIC CONTROL
The unit is supplied with a multi-function control
panel and LCD display
FEATURES
• External frame made of pre-coated RAL 9010 galvanized steel.
• Internal structure made of expanded polypropylene to reduce thermal bridges,
noise emission and to ensure maximum seal.
• Energy-efficient external rotor EC motors. Featuring thermal protection and
mounted on long-lasting ball bearings.
• Ultra-quiet and high-performance, balanced centrifugal fan with backwardcurved blades coupled directly and dynamically balanced to the motor.
• Cross-flow, counterflow heat exchanger with high efficiency.
• Simplified electrical connection: the unit is supplied pre-wired.
• Removable front panel for access to the filters and exchanger.
• Supplied with ISO Coarse 60% (G4) filters that can be easily removed from
the outside. The unit is also fitted with an ISO ePM1 60% filter (F7) on the
air inlet.
• Automatic frost protection preventing ice formation on the inlet side of the
heat exchanger.
• Double condensation drain that can be used based on climatic requirements.
• Left or right configuration for flexible installation
OPERATION
3-speed setting.
• Boost function.
• Holiday and Night Mode function.
• Weekly programming.
• Bypass control.
• Air flow balancing.
• Filter maintenance and fault indicator.
• Operating hours counter.
• Settings saving and upload.
• Connection of remote room sensors (humidity, CO2, etc.)
• ModBus interface.
• Connection to electric heating element before and after the ventilation unit.
• Water coil connection for heating
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