Note : The pre-formed cable gland holes should be drilled using a 20mm hole
saw and not physically knocked out.
Location
The control panel should be mounted in a location, which is both accessible and
visible. Where the ambient noise level is high it is recommended that a local alarm
sounder is installed. Access to the panel will be necessary during an alarm condition
and during servicing.
Internal batteries
Two internal batteries (type Yuasa NP1.2-12) can be installed in the control unit. The
associated terminals are located along the top edge of the main circuit board.
If alternative batteries are used then care should be taken that Hydrogen gas is not
generated during standard use. If Hydrogen gas is a concern then a M20 vent needs to
be installed into the top cable entry hole.
Issue 4 03/09/04
8 of 29
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