CRF/EW
Roof-mounted centrifugal extractor fans with low noise level. fitted with external E.C. Technology rotor motor
Roof-mounted centrifugal extractor fans with low noise level and external rotor motor. fitted with a E.C. Technology motor and a built-in speed regulating power meter.
Fan:
– Made of galvanised sheet steel.
– Impeller with reaction blades made of plastic material.
– Bird control grille.
– Folding body for ease of inspection and maintenance.
Motor:
– New high efficiency EC external rotor motors regulated by 0-10V signal. IP54 protection.
– Single-phase 230V-50/60Hz and three-phase 400V-50/60Hz.
– Maximum temperature of air to be carried: -25ºC +50ºC.
Finish:
– Anti-corrosive galvanised sheet steel.
CRF/EW/CPC
Roof-mounted. automatic-operation centrifugal extractor fans with low noise level. fitted with external rotor E.C. Technology Motor and constant pressure control
Roof-mounted centrifugal extractor fans with low noise level and external rotor motor. fitted with a E.C. Technology motor.
Fan:
– Made of galvanised sheet steel.
– Impeller with reaction blades made of plastic material.
– Bird control grille.
– Folding body for ease of inspection and maintenance.
Motor:
– High efficiency EC external rotor motors regulated by 0-10V signal. IP54 protection.
– Single-phase 230V-50/60Hz and three-phase 400V-50/60Hz.
– Maximum temperature of air to be carried: -25ºC +50ºC.
CPC control:
– Equipment preconfigured in constant pressure mode with 100Pa setpoint.
– Possibility of adjustment to other pressures.
– Possibility of working with a constant airflow.
– Plug&Play system for easy installation.
– Programming range from 0 to 2500Pa.
– On-off switch with built-in safety locking system.
– 230V AC single-phase and 380V AC three-phase power versions.
– IP55 protection.
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HT-L/EW
Roof-mounted axial extractor fans with a flat base. fitted with E.C. Technology motors
– Painted. galvanised sheet steel support base.
– Fibreglass-reinforced polyamide-6 rotors.
– Bird control grille.
– Rain cap made of painted galvanised sheet steel. with anti-corrosive protection.
– Motor-rotor airflow direction.Motor:
– New high-efficiency (IE4) synchronous EC motors. Fitted with high intensity neodymium magnets.
– Compact motors to facilitate airflow passage.
– High reliability sensorless control. no maintenance required.
– Fitted with durable ball bearings.
– IP55 protection.
– Fan operating temperature: -25ºC +60ºC.Electronic variable speed drive:
– Adjustable speed by 0-10 V signal or automatic PI control built into variable speed drive.
– Electronic variable speed drive highly configurable with 2 analogue inputs. 2 digital outputs. 1 relay output and a choice of 1 analogue or 1 digital output.
– Possibility of connection to MODBUS and CAN Open field buses.
– Electronic variable speed drive easy to install outside the operating zone thanks to its DIN rail it can be mounted in control blocks. thus minimising connections.
– Supplied pre-wired with shielded cable in accordance with the EMC 2014/30/ EU directive.
– Available with single-phase 220-240 V 50/60 Hz (VSD1/B type) or three-phase 380-415 V 50/60 Hz (VSD3/B type) inputs. Standard IP20 protection. IP66 protection on request.
– VSD operating temperature: -25ºC +50ºC.
ROOF-CM
Horizontal discharge centrifugal roof fan
ROOF-CM line has been designed for roofing installations, for direct or ducted exhaust in civilian, commercial and industrial buildings, as: offices, restaurants, hotels, shopping centers, warehouses , industrial plants, engine rooms etc
- Available in 10 sizes with impeller diameter from 310 up to 800 mm, and 4, 6, 8 pole motors.
ROOF-CM fans are characterized by the backward curved blade high efficiency impeller and extremely wide radius inlet cone guarantee of high capacities and pressures with limited noise levels. The accuracy of the design of the cap, with square section, confers to the fan a particularly pleasant aesthetic impact, easy to be installed in every architectural contest guarantying the optimum cooling of the motor. The protection guard in steel rod offers less resistance to the airflow when compared to the grids normally used and the best self-cleaning effect. The electric motor is manufactured according to the international standards guarantee of reliability and sturdiness, ease of maintenance and replacement.
- Backward curved blade impeller, high efficiency in galvanized steel sheet. Balancing according to UNI ISO 21940-11.
- Fixing base, with inlet cone, in steel sheet protected against the atmospheric agents.
- Protection guard in steel rod protected against the atmospheric agents.
- Cover in techno-polymer.
- Asynchronous electric motor mono phase or
- Three phase, outside the airflow, IP 55, insulation cl. F, service
- S1, according to IEC/EEC/UNEL MEC.
- Arrangement 5; directly coupled to the motor shaft.
- Temperature conveyed air: -20°C / +80°C.
- Voltage:
- Mono phase version (M) 230V – 50Hz.
- Three phase version (T) 400V – 50Hz.
ROOF-AM
Ring axial roof fan – “IEC” motor
ROOF-AM line is designed to extract large volumes of air in roof installations, without long ducts. For instance: ventilation of industrial buildings (factories, warehouses etc.), stock farms and electrical equipments etc.
- Available in 8 sizes with impeller from 450 up to 1000 mm.
This line is characterized by the wide round shaped nozzles in both inlet and outlet, warranty of reduced noise level and high efficiency. Besides these fans allow the effective operation either in exhaust or supply duty. Electric motor is easily accessible for wiring and maintenance operations, manufactured according to international standards assuring reliability and the long-term economic recovery of the unit simply repairing or replacing the motor itself.
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Ring casing with double wide round shaped nozzle, and base resistant to the atmospheric agents.
- Upper cover in techno-polymer resistant to the atmospheric agents.
- Protection grid on outlet side in steel rod, manufactured according to UNI EN ISO 12499.
- Impeller with high efficiency airfoil blades in plastic material and hub in die cast aluminium alloy. Variable pitch angle in still position. Balancing according to UNI ISO 21940-11
- Asynchronous electric motor, protection IP55, Class F insulated, service S1, construction according to IEC/EEC (UNEL-MEC) standard.
- Arrangement 5 or 4 (impeller directly coupled to motor shaft).
- Conveyed air: clean, not abrasive.
- Temperature of conveyed air: -20°C / +50°C.
- Voltage:
- Single phase version (M) 230V-1Ph.
- Three phase version (T) 400V-3Ph
- Frequency: 50Hz.
- Working as exhaust fan.
ROOF-AVS
Axial roof fan vertical discharge with shutter
ROOF-AVS line is designed to extract large volumes of air, in roof installations. For instance: ventilation of big industrial plants, hangars, power plants etc. It consists of an outer casing, containing the gravity shutter, below which a RING fan shall be fixed. The shutter opens thanks to the airflow generated by the fan and closes by gravity, preventing rain and wind entrance from outside and the dispersion of heat from inside.
- Available in 6 sizes with impeller diameter from 560 up to 1000 mm.
The main characteristic of this line is the higher efficiency if compared with the axial roof fan with horizontal discharge, due to the lower resistance of the gravity shutter compared to the cap.
- Outer casing (AVS) with steel sheet panels including base, protected the atmospheric agents.
- Gravity shutter with aluminium fans.
- Outlet protection grid protected against the atmospheric agents.
- Inlet nozzle
- Axial fan series RING (description and performances as per RING catalogue section), protected against the atmospheric agents, impeller with airfoil profile blades, variable pitch angle in still position, in techno-polymer and hub in die cast aluminum alloy. Asynchronous three-phase electric motor, protection IP55 Is. class F, service S1, construction according to IEC/EEC (UNEL MEC).
- Predisposition with loose cables for connection outside the roof-fan or internally in the building
- Arrangement 4 (directly coupled with impeller).
ON REQUEST
- Versions with die-cast aluminium blades.
- Predisposition with inlet flange, DUCT-type, for ducting versions (see DUCT accessories)