International Gas Detectors TOC-635, Installer'S Manual

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Incoming Panel Earth
Cable Screens
L N
Controllers with mains power supplies must be fed via a unique unswitched
fused spur fused at 3A with double pole circuit disconnect.
Use ferrules or 4mm fork crimps to prevent stray wire strands and potential
shorting
Note incoming Earth connection
Note the backbox can be mounted
so cable entries face either UP or
DOWN the wall to suit the
installation
Power supplies are switched mode types.
Note dependent on PSU type the incoming voltage may require to be set using a switch setting
between 110V AC and 230V AC. If this is the case note the current switch setting indicated on the
PSU label before connecting power. If the setting requires changing to suit the incoming voltage
then make this change before connecting power and re-label accordingly.
Failure to ensure the PSU is correctly set to match the incoming voltage will result in
permanent damage.
CONTROLLERS MUST BE CORRECTLY EARTHED TO ENSURE CORRECT OPERATION
MAINS POWER CONNECTION 650/750
650 and 750 Series Controllers
Battery Backup
Battery
Connection Point