This technical guide compiles operational data, wiring logic, programming steps, and troubleshooting parameters traditionally found across official Lovato Electric Documentation and Scribd Technical Guides. Technical Specifications Overview
Digital/Analog inputs for sensors (Oil pressure switch, temperature switch).
Tracks under-voltage and over-voltage conditions. lovato 31 rgam 12 user manual
This comprehensive technical guide serves as a practical manual for electrical engineers, plant technicians, and installers working with the Lovato 31 RGAM 12 controller. 1. Technical Specifications and Hardware Overview
applications, designed to start your generator automatically the moment it detects a power anomaly. This comprehensive technical guide serves as a practical
This article is designed to serve as a complete resource for owners, electricians, and maintenance technicians seeking information about this specific automatic transfer switch.
: Programmable parameters and event logging (up to 255 events). 2. Technical Specifications Feature Supply Voltage ( Uscap U sub s ) 12VDC or 24VDC (nominal) Operating Range (12V) 6.2 – 16.5VDC Operating Range (24V) 13 – 33VDC Mains Voltage Range 70 – 624VAC Rated Frequency 50 or 60Hz (keypad configurable) Tripping Adjustments Min: 0.7-1 Uecap U sub e ; Max: 1-1.2 Uecap U sub e 3. Operating Modes The controller features four primary operational states: OFF : The unit is disabled; no automatic actions occur. This article is designed to serve as a
| Symptom | Possible Cause | Solution | |---------|----------------|----------| | Motor trips immediately on start | Current setting too low; short circuit; locked rotor | Increase dial to match FLA; check motor windings | | Motor runs, then trips after several minutes | Overload; high ambient temp; incorrect setting | Measure actual motor current with clamp meter; reduce load; clean cooling vents | | Relay will not reset | Thermal element still hot; manual/auto setting wrong; mechanical stuck | Wait 5 minutes; check reset lever; press stop button then reset | | Contactor won’t stay closed | NC contact (95-96) open even without trip | Test continuity; replace relay if internal contact failed | | No trip even when motor draws >12 A | Dial set too high; relay defective; phase loss not detected | Verify setting; test with current injection tool | | Auxiliary contact not working | Loose wiring; contact burned | Check screws; measure voltage at 97-98 during trip |
12VDC nominal (Operating range: 9 to 36VDC; minimum cranking voltage drops to 6.7VDC). Current Consumption: Maximum 230mA at 12VDC. Power Consumption: 2.8 Watts maximum.
The RGAM control unit continuously monitors and displays critical engine and alternator functions. It provides three-phase control of the mains (including asymmetry detection) and single-phase control of the generator using RMS electrical readings.