Centrifugal roof mounted fan in vertical discharge format fitted with:
– EC external rotor motor.
– Centrifugal backward curved impeller.
– Steel finger guard.
– Base manufactured from galvanized sheet steel.
Cowl manufactured from spun aluminium with very low profile design.
– ON-OFF electrical isolated switched.

And supplies with integral control to enable the fan operating in 4 different modes:
– Constant pressure mode.
– Constant volume mode.
– Proportional mode.
– Min-max mode.

Integrated control
– Possibility to connect up to 32 fans together to design a fan network which can be adjusted and controlled with only one programming device.
– 2 analogue inputs, 0-10V or 4-20mA.
– 1 digital input (Night position – min-max operating mode).
– Main supply: 1~230V±15% 50/60Hz.
– Programming device (PROSYS), to adjust settings, as accessory.

Constant pressure operating mode
– Minimum fan speed between 0-50%.
– Maximum fan speed between 50-100%.
– Night position adjustable between 25-100% of the pressure in high speed.

Constant volume operating mode
– Minimum fan speed between 0-50%.
– Maximum fan speed between 50-100%.
– Night position adjustable between 50-100% of the volume in high speed.

Proportional operating mode
– 2 analogical inputs 0-10V or 4-20mA.
– The control operates in function of the maximum demand parameter.
– Minimum fan speed between 0-50%.
– Maximum fan speed between 50-100%.
– Alarm relay output.

Min-max operating mode
– Function of the contact position connected to digital input, the fan runs at high speed or at low speed.
– Minimum fan speed between 0-50%.
– Maximum fan speed between 50-100%.

Range of flame proof roof mounted fans, classified Ex II2G Exd IIB(H2) and specially designed for the ventilation / extraction of potentially hazardous and explosive gases.
Working temperature up to +40ºC.
Direct drive backward curved centrifugal impeller, manufactured from galvanised sheet steel and aluminium hub.
Base manufactured from galvanised sheet steel and brass inlet ring.
Cowl manufactured in galvanised sheet steel.
Bird proof guard in accordance with EN ISO 13857 Standard.

Motors
– Flame proof motor II2G EExd IICT4.
Available in 4, 6 or 8 poles, depending on versions.
Three phase motor 230/400V-50Hz, IP55, class F.
Motor fitted with PTC thermal protection to connect to a frequency inverter.

Centrifugal roof fan with forward curved impeller. Scroll manufactured from injected moulded polypropylene UV resistant. Wheel manufactured from injection moulded polypropylene plastic with retaining hub. Cowl manufactured from polypropylene UV resistant.
Screws in stainless steel.
Working temperature from -10 to 60 ºC.

Motors
Threee phase motors 230/400V or 400V 50Hz (TMPT) or single phase 230V-50Hz (TMPB), IP55, Class F, direct driven.

Range of centrifugal roof mounted fans in vertical discharge format, designed for smoke extraction in fire conditions suitable for F400-120 application, base parts manufactured in galvanised sheet steel, cowls manufactured from spun aluminium, centrifugal backward curved impellers manufactured in double coated painted sheet steel (cataphoresis + polyester), discharge proof guard, and ON-OFF electrical isolator switch incorporated.
Acoustic version (INS) with silencer integrated at the fan discharge, to reduce outlet noise level.
All model suitable for air stream temperature up to 120ºC continuous.

Motors
4 pole motors, three phase 400V-50Hz, IP55, Class F with PTC.
Speed controllable by frequency drive.
The electrical installation must be equipped with a security system which allows the maximum speed of the fans in cas of fire and disconects PTC.

On request
4/8 and 4/6 pole motors.

Range of centrifugal roof mounted fans in vertical discharge format:
– Very low profile design.
– Base manufactured from galvanised sheet steel.
– Centrifugal backward curved impeller.
– External rotor motor.
– Cowl manufactured from spun aluminium.
Available, depending upon the model, with single or three phase motors in 2, 4, 6, or 8 poles.

Motors
All motors are IP54, Class F insulation with safety thermal overload protection.
Electrical supply:
Single phase 230V-50/60Hz or 230V-50Hz (CRVB) upon the model. Three phase 400V-50/60Hz or 400V-50Hz upon the model (CRVT).
Speed controllable by Voltage.

Models with three phase motors controllable by frequency inverter.

Additional information
ON-OFF electrical isolation switch fitted.

On request
Models (315 to 560) with 2 speed motors (4/8).

Range of centrifugal roof mounted fans in horizontal discharge format suitable for many roof extract ventilation applications, including housing ventilation, commercial offices, shopping malls, etc.
– Very low profile design.
– Base manufactured from galvanised sheet steel.
– Centrifugal backward curved impeller.
– Steel finger proof guard.
– Cowl manufactured from galvanised steel and aluminium cover.
– ON-OFF electrical isolation switch fitted.
– Models suitable for operation within ambient air temperatures between
– 20ºC up to +40ºC.
– Fan speed adjustable with the potentiometer placed in the connection box or with an external control type REB ECOWATT.
– Analogical input with terminals in the terminal box to control the fan with 0-10V input signal.

Motors
Brushless EC motor, IP44, with thermal overload protection, suitable for single phase supply 230V±15%/50-60Hz.

Range of centrifugal roof mounted fans in vertical discharge format suitable for many roof extract ventilation applications, including housing ventilation, commercial offices, shopping malls, etc…
-Very low profile design.
-Base manufactured from galvanised sheet steel.
-Centrifugal backward curved impeller.
-Steel finger proof guard.
-Cowl manufactured from galvanised steel and aluminium cover.
-ON-OFF electrical isolation switch fitted.
-Models suitable for operation within ambient air temperatures between -20ºC up to +40ºC.
-Fan speed adjustable with the potentiometer placed in the connection box or with an external control type REB ECOWATT.
-Analogical input with terminals in the terminal box to control the fan with 0-10V input signal.

Motors
Brushless EC motor, IP44, with thermal overload protection, suitable for single phase supply 230V±15%/50-60Hz.

Centrifugal roof mounted fan in horizontal discharge format fitted with:
– EC external rotor motor.
– Centrifugal backward curved impeller.
– Steel finger guard.
– Base manufactured from galvanized sheet steel.
Cowl manufactured from galvanised steel and aluminium cover with very low profile design.
– ON-OFF electrical isolated switched.

And supplies with integral control to enable the fan operating in 4 different modes:
– Constant pressure mode.
– Constant volume mode.
– Proportional mode.
– Min-max mode.

Integrated control
– Possibility to connect up to 32 fans together to design a fan network which can be adjusted and controlled with only one programming device.
– 2 analogue inputs, 0-10V or 4-20mA.
– 1 digital input (Night position – min-max operating mode).
– Main supply: 1~230V±15% 50/60Hz.
– Programming device (PROSYS), to adjust settings, as accessory.
– This serie is able to be controlled and displayed via Modbus-RTU network.

Constant pressure operating mode
– Minimum fan speed between 0-50%.
– Maximum fan speed between 50-100%
– Night position adjustable between 25-100% of the pressure in high speed.

Constant volume operating mode
– Minimum fan speed between 0-50%.
– Maximum fan speed between 50-100%.
– Night position adjustable between 50-100% of the volume in high speed.

Proportional operating mode
– 2 analogical inputs 0-10V or 4-20mA.
– The control operates in function of the maximum demand parameter.
– Minimum fan speed between 0-50%.
– Maximum fan speed between 50-100%.
– Alarm relay output.

Min-max operating mode
– Function of the contact position connected to digital input, the fan runs at high speed or at low speed.
– Minimum fan speed between 0-50%.
– Maximum fan speed between 50-100%.

Range of roof mounted mixed flow fans, specially designed for the extraction of potentially hazardous and explosive gases, manufactured from sheet steel protected with black polyester paint coating (except TH-800/200 manufactured from plastic to prevent retention of static electricity, base and cap manufactured from sheet steel protected with black polyester paint coating). Bird-proof guard. Detachable fan unit without demounting duct connections.

Range of centrifugal roof mounted fans in horizontal discharge format, designed for smoke extraction in fire conditions and certified F400-120 (CE marked) (1).
All models are suitable for air stream temperature up to 120ºC.
Bases are manufactured from galvanised sheet steel and cowls are manufactured from spun aluminium.
All models incorporate bird-proof guard.
Available, depending upon the model, with single or three phase motors in 4, 6, 8, 4/8 or 6/12 poles.
(1) Except 140, 180 and 200 models.

Motors
All motors are IP55, class F and equipped with ball bearings greased for life.
Electrical supply:Single phase 230V-50Hz.
Three phase 400V-50Hz.
(See characteristics chart).Speed controllable by voltage, up to the 400 model. Three phase motors are controllable by frequency inverter. When is using a speed controller, the electrical installation must be equipped with a security system which allows the maximum speed of the fans in case of fire.

Additional information
140, 180, 200 and 225 models are specially recommended for extracting smoke from the fireplaces.

Only F400-120 at maximum fan speed.