Range of axial roof fans with horizontal air discharge configuration available in 2 version:
-“B” models for air extract.
-“A” models for air supply.
Base manufactured from galvanized sheet steel.
Cowl manufactured from spun aluminium. The impellers for models 315 to 400 are manufactured from one piece injection moulded plastic, reinforced with chemical anchored fibreglass for additional strength. Models 450 to 1000 incorporate separate plastic blades locked within a die cast aluminium hub.
Available, depending upon the model, with single or three phase motors in 4, 6, 8 or 4/8 poles.Motors
All motors are IP65 (1) Class F (2) with thermal protection (3) and ball bearings greased for life.
Electrical supply:
-Single phase 230V-50Hz (Capacitor located inside the wiring terminal box).
-Three phase 400V-50Hz.
(See characteristics chart).
All single phase models are speed controllable by voltage except HCTB/4- 560, HCTB/4-630.
All three phase models are speed controllable by autotransformer, except models HCTT/4- 560, HCTT/4-630, Ø 710 to 1000.
Three phase models, 1 speed motor, are speed controllable by inverter.
(1) 800 to 1000 models are IP55.
(2) Air stream temperature limits -40ºC to +70ºC (except models 800 to 1000 suitable for usage in environments from -20ºC to 40ºC).
(3) 800 to 1000 models are not equipped with thermal protection.Aplications
Industrial process ventilation, agricultural facilities, swimming pools and data centers.

Range of in-line rectangular duct fan, specially designed for the extraction of potentially hazardous and explosive gases. Manufactured from galvanised steel sheet and provided with an inspection cover that can be removed to access the motor/ impeller assembly without having to remove the complete fan casing from the ducting. All model incorporate directdrive forward curved centrifugal impeller. Working temperature from -20 to 55 ºC.

Motors
Available in 4 poles.
Speed controller by auto-transformer (RMT*).
Speed controllable by inverter (VFTM*).
* These accessories are certified for use with the equipment. For that reason, they cannot be substituted with any other type or brand of accessory.
Electrical supply:
-Three phase 230/400V-50Hz.

Range of roof mounted axial flow fans, with vertical air discharge configuration, for air extract.
Designed for smoke extraction in fi re conditions and certified F400-120 and F300-120 (HGHT-V – CE marked).
Casing formed from rolled sheet steel welded on the base with a corrosion resistant hot dipped galvanized finish. High grade die-cast aluminum blades locked within a pressed sheet steel hub. Backdraft shutter and proof guard at the fan discharge. Cylindrical casing formed from rolled sheet steel protected against corrosion by grey polyester paint coating.

Motors
– HGHT-V F400-120: three-phase 4 pole motors 400V-50Hz, IP55, class H insulation.
– HGHT-V: F300-120: three-phase 4 pole motors 400V-50Hz, IP55, class H insulation.
– Electrical isolator fitted to fan casing.
Three phase 230/400V-50Hz up to 3 kW.
Three phase 400V-50Hz, for higher power motors and two speed motors.
(See characteristics chart).

Additional Information
Standard air direction: form (A)configuration (Motor over impeller).

On request
– 6 pole motors.
– 2 speed motors 4/6 and 4/8 poles.

Insulated rectangular self-cleaning duct fan. Very low profile design.
Backward curved centrifugal impeller.
Casing manufactured from heavy gauge galvanised sheet steel.
50mm thickness of M0 glass fibre internal acoustic insulation.
External rotor motor, speed controllable, Class F insulation.
External wiring terminal box.
Safety thermal overload protection.

Motors
Outer rotor motors.
Single-phase models 230V-50Hz, IP54 or IP44 depending on models, adjustable via voltage inverter.
Three-phase models 230/400V-50Hz, IP54, Class F, controlable by frequency inverter.

Additional information
They can be installed in any position.

Range of low-profile rectangular duct fans with high-quality features, specially designed for rectangular ducts, manufactured from galvanized steel, cover for inspection and cleaning, remote terminal box, IP55, centrifugal fan with backward curved impeller, dynamically balanced.

Motors
EC Brushless motor of high-efficiency and low-consumption, supply power 230V+/-15% – 50/60Hz, IP44,ball bearings and thermal protection. Speed 100% controllable by potentiometer located in the terminal box or via external control like REB-ECOWATT. Analogue input to control the fan via external signal 0-10V.

Range of rectangular duct fans suitable for many general ventilation applications where the fan is required to be installed within a rectangular ducted ventilation system or where the space for installation is limited.
High performance centrifugal fans.
All models suitable for mounting in any orientation.
Casing manufactured from heavy gauge galvanised sheet steel.
Direct drive backward curved impellers manufactured from aluminium sheet.
External rotor motor, Class F insulation with thermal protection.
Remote terminal box.

Motors
Motor and impeller fitted on the inspection cover enabling easy cleaning and maintenance.
– IRB models: Single-phase 230V-50Hz.
IP44* or IP54. Speed controllable by transformer.
– IRT models: Three-phase 230/400V-50Hz.
IP54. Speed controllable by transformer or frequency drive.

* IP44: 2-180, 2-200, 4-225 and 4-315 A

In-line centrifugal duct fans suitable for wide range of general residential, commercial and industrial exhaust or supply ventilation applications.

Description
Circular in-line duct fans from 100 to 400 mm diameter.
Models are suitable for mounting in any orientation and operation within ambient air temperatures between -20ºC up to +40ºC. Comprehensive range of accessories to ease the installation and control the fan performances.

Construction
Fan casing manufactured from high-grade corrosion-resistant pressed galvanized steel, with black polyester paint coating. Fully airtight sealed assembly.
Direct drive centrifugal impeller. Brushless EC motor, with thermal overload protection, suitable for single phase supply 230V +/- 15%/50-60Hz.
Fan speed adjustable with the potentiometer placed in the connection box or with an external control type REB-ECOWATT.
Analogue input with terminals in the terminal box to control the fan with 0-10V input signal.

Application
Smoke and hot gas extraction in case of fire.
Extraction of stale air from commercial and industrial premises.
Extraction of pollutants in professional kitchens. Installation in all positions and connection on all faces.
Air stream temperature up to 120°C in continuous with motor at 40ºC max. ambient air.

Range8 sizes: 355, 400, 450, 500, 560, 630, 710 and 800.
Air performance range from 500 up to 23.000 m3/h.
ILHT CC: Fan with multidirectional inlet plenum, motor shaft horizontal or vertical.
ILHT MV: Ventilation unit only, motor shaft horizontal or vertical.

Construction
– Panels made of galvanized sheet steel.
– Modular structure in aluminum profiles.
– 4 mounting brackets.
– Rectangular duct couplings.
– Direct drive centrifugal backward curved impeller manufactured from galvanized sheet steel.
– Full access for cleaning and maintenance without dismantling the fan from the duct system.
– Motor are IP55, class F insulation and singlephase 230V 50Hz speed controllable by tension or three-phase 230/400V 50Hz, speed controllable by frequency inverter.

On request:
For kitchen applications:
– Reinforced sealing with grease resistant seal.
– Condensation drain provided not mounted.
Two-speed motors (not ErP compliant).

Low profile in-line mixed flow duct explosion proof fans. TD-800 Ex is manufactured in antistatic plastic material. The others models are manufactured from sheet steel protected with black polyester paint coating. Detachable fan unit without demounting duct connections.

Transfer axial fan offering a very low noise level and specifically designed to work through a duct or to be flush mounted into the wall, ideal for ventilating small areas or to exchange heat between adjoining rooms. Fitted with single phase motors 230V-50Hz, IP44, Class II, with ball bearings for enhanced working life and assembled on silent-blocks.