Introduction to the PowMr POW-HVM5.5K-48V Series
This document serves as a comprehensive user manual for the PowMr POW-HVM5.5K-48V series of solar inverter chargers. These multi-function devices integrate the capabilities of an inverter, an MPPT solar charger, and a battery charger to provide uninterrupted power support. The series includes models such as POW-HVM5.5K-48V, POW-HVM5.5K-48V-P, and POW-HVM5.5K-48V-LIP.
Featuring a pure sine wave output, these inverters can operate without batteries and include a built-in MPPT solar controller. The user-friendly LCD display allows for configurable settings, including battery charging current, AC/solar charger priority, and input voltage range, catering to various application needs. The system is designed for reliability with features like auto-restart upon AC recovery and protection against overload, over-temperature, and short circuits.
Key Features and System Architecture
The PowMr inverter/charger offers several key features:
- Pure sine wave inverter
- Inverter operation without battery
- Built-in MPPT solar controller
- Configurable input voltage range
- Configurable battery charging current
- Configurable AC/Solar Charger priority
- Compatibility with mains voltage or generator power
- Auto restart when AC recovers
- Overload, over-temperature, and short-circuit protection
- Smart battery charger design for optimal performance
- Cold start function
The basic system architecture involves the inverter/charger connected to a power source (Generator or Utility) and optionally to PV modules, with external battery packs providing power to home appliances. For detailed installation and operation, please refer to the specific sections within this manual.
Installation and Safety Guidelines
Proper installation is crucial for the safe and efficient operation of the PowMr inverter/charger. Key considerations include:
- Ensure the unit is mounted on a solid, non-flammable surface at eye level for easy LCD access.
- Maintain an ambient temperature between 0°C and 55°C for optimal performance.
- Adhere to recommended cable sizes, stripping lengths, and torque values for battery and AC connections to prevent overheating and ensure safety.
- Always disconnect all wiring before performing any maintenance or cleaning.
- For battery connections, use only deep-cycle lead-acid type rechargeable batteries.
- When connecting AC input/output, ensure correct polarity and use appropriate circuit breakers for protection.
- For PV connections, install a separate DC circuit breaker between the inverter and PV modules.
Important Safety Warnings:
- All wiring must be performed by qualified personnel.
- Never attempt to disassemble the unit; service should only be performed by qualified service centers.
- Exercise caution when working with tools around batteries to avoid short circuits or explosions.
- Ensure proper grounding of the unit according to local regulations.
Operation and Troubleshooting
The manual provides detailed guidance on operating the inverter/charger, including power on/off procedures, understanding the LCD display icons, and navigating settings. It also covers specific operational modes and fault reference codes.
For troubleshooting, the manual includes a dedicated section with a parallel installation guide and common issues. If problems persist after following the troubleshooting steps, it is recommended to contact a local dealer or service center for assistance.
