12
Medical Gas Central Alarm - Medipoint 125 Digital Alarm
4233500107.03
2.
Installation
2.1
Installation of a first fix panel
The alarm panel backbox is suitable for both surface and
concealed installation and is annotated ‘TOP’ inside to
ensure correct orientation. With a concealed installation
a chase depth of 45mm is required and a bezel is fitted
to cover the plaster joint. The procedure to install a first
fix alarm panel backbox is as follows: -
2.1.1 Backbox. Locate (see figure 10).
Ensure the backbox is the correct way up. Locate
the backbox at the correct position and mark out for
securing screws.
2.1.2 Wall. Fit anchors.
Drill wall and fit anchors in position.
CAUTION! Ensure selected wall anchors are
suitable for the type of wall and weight of the alarm
panel. Alarm panel weight is 1.5kg.
2.1.3 Backbox. Fit (see figure 10).
Select cable entry/exit points and remove the desired
knock-out segments from the inside. Fit suitable
grommets/cable glands as required by the contract
specification. Feed cables into the box leaving 400mm to
75
150
105
105
7
260
5
TOP
40
40
40
40
17
20
KNOCKOUT SEGMENTS
200
17
45
20
KNOCKOUT SEGMENTS
BACKBOX SURFACE
Figure 10 - Back Box details.
enable connection to printed circuit board. Secure back
box to wall with suitable screws.
Select cable entry/exit points and remove the desired
knock-out segments from the inside. Fit suitable
grommets/cable glands as required by the contract
specification. Feed cables into the box leaving 400mm to
enable connection to printed circuit board. Secure back
box to wall with suitable screws.
CAUTION! With a concealed installation, the
plaster depth must be flush with the box surface, leaving
the water channel proud of the plaster.
2.2
Installation of a Second Fix
Assembly
WARNING! Ensure that the electrical power
supply to the alarm is off and remains isolated until
required during the commissioning procedure.
2.2.1 Backbox. Check.
Ensure that the inside of the backbox is clean and free
from debris.
Fit bezel plate to backbox and retain with securing screw
engaged in right hand anchor nut.
Concealed installation. Fit bezel plate (see figure 11).