Roof Mounted Fans
CRHB ECOWATT PLUS Series - Horizontal discharge

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Serial CRHB ECOWATT

CRHB-315 ECOWATT PLUS (230V50/60HZ) VE

  • CRHB ECOWATTbdp532
  • CRHB ECOWATTbdp547

CRHB-315 ECOWATT PLUS (230V50/60HZ) VE

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%.

Technical data

Acoustic characteristics

Technical characteristics

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Dimensions

Installation

Installation

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