Roof extractors centrifugal self-regulated
CRVB ECOWATT PLUS SERIES
CRVB ECOWATT PLUS SERIES
CRVB-315 ECOWATT PLUS (230V50/60HZ) VE
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 remote control.
- 2 analogue inputs, 0-10V or 4-20mA.
- 1 digital input (Night position - min-max operating mode).
- Main supply: 1~230Vᄆ15% 50/60Hz.
- Remote control (PROSYS), to adjust settings, as accessories.
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%.
- 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 remote control.
- 2 analogue inputs, 0-10V or 4-20mA.
- 1 digital input (Night position - min-max operating mode).
- Main supply: 1~230Vᄆ15% 50/60Hz.
- Remote control (PROSYS), to adjust settings, as accessories.
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%.
Attributes

Backward curved centrifugal impellers
To prevent accumulation of dirt.

Bird proof guard

Remote control PROSYS ECOWATT
To modify parameters and adjust setting values.
Acoustic characteristics
"
Technical characteristics
"
Installation

Dimensions
"
Curves
"
Mounting Accessories
