MN 325/MN 525 User’s Manual

Uninterruptible Power Supply (UPS)

BATTERY REPLACEMENT PROCEDURE

MN 525

Retaining Screws

6.Disconnect the battery positive (red) wire from the battery positive (+) terminal.

7.Turn the power switch on, to discharge the UPS.

8.Disconnect the battery negative (black) wire from the battery negative (-) terminal.

9.Remove the defective battery from the battery compartment.

10.Install the new battery into the battery compartment.

11.Reconnect the battery negative (black) wire to the battery negative (-) terminal.

12.Reconnect the battery positive (red) wire to the battery positive (+) terminal. Note: Some spark- ing may occur, this is normal.

13.Reinstall the battery compartment door and the retaining screws.

14.Charge the UPS for 4 to 8 hours to ensure the UPS performs expected runtime.

Note: Batteries are consider HAZARDOUS WASTE and must be disposed of properly at an ap- propriate recycling facility or return them to the supplier in the packing material for the new bat- tery. Contact your local government for more information about proper disposal and recycling of batteries.

Note: Replace the batteries with the same number and type as originally installed in the UPS. These batteries have pressure-operated vents. These UPS contain sealed non-spillable lead-acid batteries.

Model #	MN 325	MN 525
Battery	12V3ah	12V7ah
Model #
Battery	BP3-12	BP7-12
Part #

MN 325/MN 525 specifications

The Minuteman UPS MN 325 and MN 525 are advanced uninterruptible power supply systems designed to protect critical electronics and ensure seamless power delivery during outages. These models are particularly well-suited for small to medium-sized businesses, server rooms, and other applications where reliable power is essential.

One of the main features of the MN 325 and MN 525 is their line-interactive technology. This design allows the UPS to automatically regulate voltage fluctuations, providing stable power output without switching to battery mode. This means that during minor power surges or dips, the system can maintain power without the need for the battery, thus prolonging its lifespan.

Another notable characteristic is the intuitive LCD display, which provides real-time information on battery status, load levels, and estimated runtime. This user-friendly interface allows users to monitor the UPS's performance easily and make informed decisions regarding power management. Alongside the LCD, alarms and notifications alert users to any potential issues, ensuring that they are always informed of their system’s health.

The MN 325 and MN 525 models also boast an impressive array of input and output connections. They come equipped with multiple NEMA outlets, which cater to various power requirements of connected devices. Moreover, the units support hot-swappable batteries, allowing for quick replacement without shutting down connected equipment. This feature minimizes downtime and ensures that critical operations remain unaffected.

In terms of performance, these UPS systems offer impressive battery backup times, tailored to meet the demands of modern electronics. The MN 525, in particular, provides higher capacity, catering to equipment requiring more robust protection. Additional technologies include advanced surge protection, which safeguards sensitive devices from damage caused by electrical surges and spikes.

The physical design of the Minuteman UPS units emphasizes durability and ease of use. Compact and lightweight, they can be easily integrated into existing setups without occupying significant space. Their fanless operation ensures noiseless performance, making them ideal for environments where noise reduction is crucial, such as offices and studios.

Overall, the Minuteman UPS MN 325 and MN 525 stand out with their reliable performance, user-friendly features, and robust protection capabilities, making them a smart investment for anyone needing dependable power solutions.

Minuteman UPS manual MN 325/MN 525 User’s Manual

Models: MN 325/MN 525