Note that the length
assumes the fused switch serving the heater is sited
external to the guard. If the isolator is internal,
then the guard will need to be longer.
ACCESS
PANELS
Hinged, lockable, access panels are provided as and
when required, in the most suitable position for controls
access. This is normally in the front or side of the
guard. Access in the top face is unsuitable as this
blocks the grillage and leads to the access panel
becoming hot.