SONORA-E1-20-400V-4 circulation unit with el. heater

Cabinet

It is made of galvanized steel sheet, painted in RAL 9010 or natural zinc. The fan intake is fitted with a cover grille. There is a louvre with manually adjustable aluminium slats on the discharge.

Fan

is maintenance-free, high performance, statically and dynamically balanced with built-in thermocontact against overheating. Fan voltage 230 V or 400 V. The fans are equipped with a diffuser to reduce noise.

Heater

Powerful 2-, 3-, and 4-row Cu/Al exchangers for max. 90°/1.6 MPa. Slat spacing allows for trouble-free cleaning. Electronically controlled exchangers with heating elements with built-in overheat protection, including emergency electronics with the possibility of connecting a room or exhaust thermostat.

Regulation

Units with el. The heater is always supplied with a DR-CP4 controller. Heaters cannot be chained. Units with a water heater and 230V fan are controlled with the SR-CP-230V controller. Units can be chained. Units with water heater and 400 V fan are controlled by the SR-CP-400V controller. Units can be daisy chained. The size of the controller is sized according to the current load of the connected units.

Square box

Units with el. heater have a connection terminal block inside. The cables are routed through grommets on the side of the cabinet. Units with a water heater have the fan power connected directly to the fan terminal block.

Noise

The sound pressure levels shown in the table are for a distance of 5 m from the unit in an area of average reflectivity.

Mounting

On the wall using the universal positionable hanger. Units with water heater can also be installed under the ceiling.

Information

Circulation unit designed for hot air room heating.