ELCOS CIM-250 - User Manual

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Overview

Function Description
Important Technical Specifications
Usage Features
Maintenance Features
Installation Considerations

The Elcos CIM-250 is a control and protection unit specifically designed for irrigation motor pumpsets. It offers automatic control, comprehensive protection, and detailed monitoring capabilities, making it suitable for various applications, including installation directly on the machine and in open-air environments.

Function Description:

The primary function of the CIM-250 is to automatically start, control, and protect diesel motor pumps used in irrigation systems. It monitors critical engine and pump parameters and intervenes by stopping the motor pump if any anomalies are detected, thereby preventing damage and ensuring reliable operation. The unit simplifies operation by automatically managing the motor pump after a simple start command.

Important Technical Specifications:

Battery Voltage Supply: 12 Vdc or 24 Vdc (8÷32V)
Circuit Loading with Key at Zero: 13 mA at 12 V, 9 mA at 24 V
Max Load of Outputs:
- Stopping (Yellow): 3A
- Starting Motor (Black): 40A
- General Alarm (Red/Green): 3A
- Auxiliary (Brown): 3A
Temperature Range: -10°C to +60°C
Hour-Meter: 4 Digits
Oil Pressure Gauge: 0÷7 bar
Pump Water Pressure Gauge: 0-21 bar
Pump Water Pressure Transmitter (Allowed Max. Pressure): 21 bar
Engine Oil/Water Thermometer: +20°C to +145°C
Tachometer: 4000 rpm
Timer: 1 minute to 24 hours
Installation Conditions: For external use
Degree of Protection: IP54 (Box/Connector), IP20 (Control Unit)
Weight: 1.5 Kg (Control Unit), 3.2 Kg (Total with accessories and package)
Dimensions: 288mm x 272mm x 83mm (front panel), 288mm x 200mm x 210mm (overall)

Usage Features:

The CIM-250 offers a user-friendly interface with a digital display and push-buttons for various functions:

Automatic Control: Once started, the unit automatically controls the motor pump, ensuring optimal operation.
Digital Display: Provides real-time readings for:
- Hour-meter (total operating hours)
- Oil pressure gauge
- Water or oil thermometer
- Tachometer (motor pump operating speed)
- Pump water pressure gauge (electronic)
- Timer (adjustable working time up to 96 hours)
- Fuel level gauge
Protection Features: The unit protects the motor pump set by stopping it in the event of:
- Low oil pressure
- Over-temperature
- Belt breakage
- Minimum fuel level
- Low coolant level
- Low pump water pressure
- Pump water overpressure
- A1 available (for protection probe)
- Battery charge alternator failure
- Emergency stop
Pump Protection Exclusion: Allows temporary exclusion of pump protection (low/over pressure) for specific operational needs, indicated by flashing lights. This feature is enabled only with the engine running and can be cancelled by pressing the button again or turning the start key to "ZERO".
Adjustable Pump Water Electronic Pressure Gauge: The low-pressure intervention threshold can be adjusted using the control panel. Overpressure intervention is fixed at two bars above the working pressure.
Timer Function: Enables the motor pump to work for a preset duration (up to 96 hours), after which it automatically stops. The remaining work time is continuously displayed.
Language Selection: The unit supports multiple languages including Italian, English, French, German, Spanish, and Portuguese, selectable via DIP switches.
Stop Systems: The unit adapts to two different stop systems:
- Working an electromagnet for 20 seconds to pull the STOP lever.
- Cutting off power to a solenoid valve to shut off fuel flow.
General Alarm: An external optical and/or acoustic signaller can be connected to indicate protection intervention.
Emergency Stop: Multiple release-type buttons can be mounted to enable an emergency stop in any functioning condition, activating the general alarm.

Maintenance Features:

The manual outlines essential maintenance operations to ensure the longevity and reliable performance of the CIM-250 and the associated motor pump:

Weekly Checks:
- Verify the functionality of all indicators.
- Check the condition of the batteries.
- Ensure conductors are tight and terminals are in good condition.
Safety Precautions:
- All technical interventions must be performed with the engine stationary and terminal 50 of the starter motor disconnected.
- Never use a battery charger for emergency start-up, as this can damage the control unit.
- Disconnect electrical plant terminals from battery poles before connecting an external battery charger.
- Never disconnect battery terminals while the engine is running.

Installation Considerations:

The unit should not be installed near other equipment that produces or spreads heat.
Strict adherence to the wiring diagram (pages 4-5 of the manual) is crucial for correct connections.
Line loading and connected equipment consumption must be compatible with the technical characteristics.
The control unit is not suitable for operation outside specified environmental temperature limits, in areas with high radiation heat, or where there is a risk of fire, explosions, or strong vibrations/knocks.
The unit complies with CE marking standards for electromagnetic compatibility but installers must verify disturbance levels are within requirements.

The CIM-250 is a robust and intelligent solution for managing irrigation motor pumps, offering advanced protection and monitoring capabilities to ensure efficient and safe operation.