Nicotra DDMP Series Operating Manual page 8

Features
- Sinusoidal Sensorless control
- Supply voltage 230Vac
- Integrated active Power Factor Controller
- Simple cable connection with cage clamps
- Integrated Modbus RTU interface
- Integrated analogue interface 0-10V
- Tachometric output available
Performance
- Closed-loop speed control function
- Soft start
- Adjustable limits and operating mode
- Self-protecting strategies implemented
- High efficiency
- NTC bypassed during operation
- PFC disabled at stop
- 1.1 KW and 2.1 KW maximum input power
- Power Factor >95%
Protection
- Missing phase protection
- Short circuit protection
- Overload protection
- Overheat protection
- Impeller blocking protection
- Safe Operating Area (speed, power and current limitation)
Ambient Operating Conditions
- Protection Class: IP 44
- Humidity Range: 90% non-condensing
- Altitude: if the fan is to be installed at an altitude > 1000m, derating is required.
- Shocks: do not drop the Driver or expose it to sudden shock.
- Vibration: do not install the Driver in an area where it is likely to be exposed to constant vibrations.
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Rev. 2 – 10 November2015
Fig. 7 – Safe Operating Area
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