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Welcome to wziep.com!
category： Frequency Changer
reference price：￥$250.00 - $3,500.00
| Enclosures NEMA 1, NEMA 12, 3R and NEMA 4X Energy Savings - Energy savings of 50 to 70% are common when compared with constant flow systems - When compared with other methods of flow control, savings to 40% typical Harmonics Control All VLT HVAC Drives have dual D-link reactors, which provide a reduction in input harmonics equal to a 5% A line reactor without the voltage drop and efficiency losses associated with AC line reactors Auto tuning of the PI controllers The drive monitors how the system reacts on corrections made by the drive - and learns from it, so that precise and stable operation is achieved quickly. Automatic Energy Optimization Standard feature that optimizes motor magnetization at all speeds and loads. Increases energy efficiency by 5–15% for partial loads. Energy monitoring The VLT® HVAC Drive provides a complete range of energy consumption information, which helps identify low-efficiency components in the HVAC system. PM motor support - better efficiency Support for any non-salient permanent magnet motor up to 30 HP. Coated circuit boards All standard PCBs conform with class 3C2 (IEC 60721-3-3). If used in especially harsh conditions, it is possible to order a special coating that complies with class 3C3. Ruggedized for extra protection Special treatment that ensures components remain firmly in place in environments characterized by high degrees of vibration, such as marine and mobile equipment. Automated Resonance Monitoring Avoid frequency bands at which connected fans create resonances in the ventilation system. This reduces installation time and system wear |
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| Advantages | Features and User Benefits USB Connectivity The VLT HVAC Drive can be remote commissioned and monitored through a USB connection. Fire Override Mode Safety feature that ensures fire escapes remain free of smoke by preventing the drive from reacting to control signals, warnings, or alarms. Instead, it continues reliable operation for as long as possible and runs until it eventually fails. Fan Belt Monitoring From the relation between current and speed, the HVAC Drive is able to recognize a broken belt reliably. End of Pump Curve In the event of breaks or leakages, End of Curve triggers an alarm, shuts off the pump, or performs a user-defined action. Dry Pump Protection The HVAC Drive constantly evaluates the condition of the pump, based on internal frequency/power measurements. Built-in cascade controller Control up to three pumps with fixed lead pump. Motor Alternation This built-in logic controls alternation between two pumps in duty/stand-by applications. Motion of the stand-by pump prevents the pump from. An internal timer ensures equal usage of the pumps. Flow compensation Reduces the pressure set point according to the flow - which saves energy. Initial/Final Ramp Prevents damage on thrust and bearings by providing fast acceleration |
| Export Markets | HVAC (for FAN or pump load ) |
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FC-102P90KT4E20H 13552722780
FC-102P110T4E20H 13552722780
FC-102P132T4E20H 13552722780
