3.2. Mounting
The DAT 420 gas detector should be mounted flat on a wall according to the dimensions below.
▪ Attach the detector using suitable screws and plugs.
▪ Always use the original wall mounting bracket supplied with the detector.
▪ The sensing head should never be installed pointing upwards.
▪ Ensure that dust will not block the sensor and that water will not run into the detector.
Figure 5: DAT 420 vertical mounting