This document is the GMA44 operation manual, which introduces how to use this product, including precautions before use, detection mode, display screen, alarm configuration, fault troubleshooting, etc.
The GfG GMA44 is a fixed gas monitoring controller designed to connect up to four transmitters of the same type. It monitors ambient air for toxic, combustible, or oxygen levels and provides a 3-digit display for measurement values. The system supports various detection modes and allows for adjustable alarm thresholds and relay functions to suit specific safety requirements.
The manual details the operation of the device, including how to turn it on, perform self-tests, and configure alarm parameters. It also covers the service mode for adjusting zero points and sensitivity, as well as maintenance procedures such as regular function tests and calibration instructions.
| Max. number of channels | 4 |
|---|---|
| Supply voltage (GMA44) | 24 V DC |
| Supply voltage (GMA44 EC) | 230 V AC / 24 V DC |
| Number of relays | 4 |
| Number of alarm thresholds | 3 |
The GMA44 allows to connect up to four transmitters of the same type.
A fault is indicated when the yellow LED 'SF' lights up and the fault relay is activated.
Press the key 'QUIT MENU' to acknowledge the alarm.