About This Manual
This user manual provides essential safety and operational instructions for the Mastervolt Chargemaster series of automatic battery chargers, including models 12/35-3, 12/50-3, 24/20-3, and 24/30-3. It is designed for qualified personnel to ensure safe and efficient use, installation, and maintenance.
Key Features
- Fully automatic battery charging
- Suitable for Lead-Acid, AGM, Gel, and Li-ion batteries
- Universal AC input for global compatibility
- Three-stage Plus charging method for optimal battery health
- Can function as an AC-DC converter
- MasterBus compatibility for system integration
Installation and Operation
Detailed instructions cover mounting, wiring, and initial setup. The manual guides users through connecting batteries, power sources, and configuring settings via DIP switches or the MasterBus network.
Operation includes powering on/off, understanding the LED display, and the three-stage charging process (Bulk, Absorption, Float).
Technical Details & Troubleshooting
Comprehensive technical data is provided for 12V and 24V models, including dimensions, power consumption, and environmental ratings.
A troubleshooting section helps diagnose and resolve common issues. For further assistance, Mastervolt recommends contacting their service centers or visiting their website.
