Mastervolt Mass Series

Mass Charger
MASS 24/15-2, 24/25-2, 24/25-2 DNV, 24/25-2 large cabinet
FULLY AUTOMATIC BATTERY CHARGER
USER AND INSTALLATION MANUAL
For the latest version of this manual, visit our website:
Ga om deze handleiding in andere talen te downloaden naar onze website:
Um diese Anleitung in anderen Sprachen herunterzuladen, besuchen Sie bitte unsere Website:
Pour télécharger ce manuel dans d'autres langues, consultez notre site Web :
Para descargar este manual en otros idiomas, visite nuestro sitio web:
Per scaricare questo manuale in altre lingue, visitare la pagina del prodotto sul nostro sito Web:
www.mastervolt.com
In case of any discrepancy in the interpretation of different language versions, the English version shall prevail.
EN
NL
DE
FR
ES
IT

Mastervolt Mass Series Specifications

General

Output Voltage	12V / 24V / 48V
Cooling	Fan or Natural convection (depending on model)
Protection	Over temperature, Overload, Short circuit
Dimensions	Varies depending on model
Weight	Varies depending on model
Battery Types	Gel, AGM, Lithium-ion
Temperature Sensor	Yes
Parallel Operation	Yes
Input Voltage	90-265V AC
Operating Temperature Range	-20°C to +60°C

Summary

Important Safety Instructions

General Safety Precautions

General safety guidelines, electrical precautions, and qualified technician requirements.

Explosive Gases and Battery Handling

Risks of explosive gases and safety measures for working near lead-acid batteries.

Operation

Charging Stages and Compensation

Details Bulk, Absorption, Float stages, temp. compensation, and cable loss compensation.

Installation

Environment and Connections

Step-by-Step Installation Guide

Visual guide for mounting and opening the connection compartment.

Wiring and Connection Steps

Connecting AC/DC wiring, second battery, and temperature sensor.

Wiring and Grounding

Instructions for AC wiring, cable sizes, and AC safety grounding.

Installation

DC Wiring and Battery Setup

Installation

Commissioning After Installation

General Commissioning Steps

Initial setup and factory settings for the Mass Charger.

DIP Switch Settings

DIP Switch Operation and Functions

Specific DIP Switch Settings

Details on Force Float, Traction, Gel/AGM, and Diode settings.

MasterBus

MasterBus

MasterBus Settings Configuration

Troubleshooting

Malfunction Troubleshooting Table

A guide to diagnosing and resolving common malfunctions and error codes.

Technical Data

Specifications Overview

Technical specifications for different Mass Charger models.

Technical Data