Description
Main components of the control panel, such as Contactor، Bimetallic relay، Thermal switch، Miniature circuit breaker،Automatic main switch With brand SchneiderFan: bearing typeTerminal and rail ها Raad And the enclosure has an IP54 protection rating, made of 1.5mm thick sheet metal with electrostatic paint, and includes:
- Intelligent control system
- Main rotary switch beside the panel, Schneider brand / Tavan Rah Sanat
- Key switch / vertical, MITO brand; phase control, Borna / Shiva brand; fan vent, MITO / OSKAR brand.
- Cable brands: Zarsim / Khorasan / Hamedan / Ri Afshan.
- Speed control using Danfoss inverter (in variable-speed models)
- The panel is equipped with a Delta PLC with analog inputs and outputs in the variable-speed models, along with a 7-inch Delta HMI monitoring system. (Includes a 5-year warranty)
- Gradual increase and decrease of each pump's speed according to consumption, resulting in the elimination of water hammer and extended lifespan of the pump’s moving parts (in variable-speed models). Also features PID control and a unique program from Grundfos (Hydro MPCF).
- Automatic and manual selection system for testing or removing any pump from the circuit in case of a technical fault.
- Pump start slip and frequency control system to prevent pressure fluctuations.
- Self-service system in fire-fighting booster pumps.
- Auto Change Over (ACO) systems (ensuring each pump operates equally) in ON/OFF mode.
- Time Changing
- Signals the system and shuts it down when there is a water shortage in the circuit, and automatically restarts once the water shortage is resolved.
- Protection of the electric pumps against overload by connecting the motor PTC to the PLC, with each alarm having a separate command.
- Protection of the electric pumps for phase sequence and phase number.
- Use of a contactor and main switch rated 40% higher than the current drawn by the electric motor during direct-on-line startup.
- Control to prevent the electric pumps from turning on or off due to pressure fluctuations and to avoid simultaneous operation.
- Equal distribution of operation among all main electric pumps, so that the running time is shared evenly across all pumps.
Safety and protection systems
- Water shortage safety system in the tank, indicated via an alert on the HMI screen.
- Safety system for detecting and preventing operation of the pump without water.
- Phase control safety system to prevent phase loss and fluctuations in voltage and current.
- Ground (earthing) safety system for protection in case of phase-to-ground faults.
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