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3. Installation
Note: The installation steps listed below
assume that you have already decided on
the required number and location for all
keypads, expanders and power supplies.
Caution: Static Electricity
Like many other electronic products, the
control unit, keypads and expanders
contain components that are sensitive to
static electricity. Try not to handle their
PCBs directly. If you must handle a PCB,
take the standard precautions against
damage by static electricity.
Step 1. Fit the Control
Unit Case
Mark Fixing Points and Back Tamper
To prevent access to the inside of the
control unit through the holes in the rear of
the case you must mount the control unit
on a wall or other flat surface.
The case must be vertical, as shown in
Figure 2.
Locate and mark the position of at least
three fixing holes. Figure 2 shows the fixing
holes and cable entries.
WARNING
Ensure that the wall is strong
enough to support the weight of the control
unit, its lid and 17Ah lead acid battery. The
total weight of the control unit plus
batteries can be up to 11kg.
Also, mark the position where the lid/back
tamper bracket touches the wall. There
must be enough space around this point to
fit the supplied tamper shroud (see Figure
14).
Fitting Plastic Feet and Tamper Sleeve
The control unit is supplied from the factory
with four plastic feet and one plastic tamper
sleeve. Fit these onto the outside of the
case back, as shown in Figure 13. Fit feet
only to the fixing holes that you intend to
use.
Fitting tamper Shroud
The tamper shroud is intended to prevent
an intruder sliding a tool between case and
wall to interfere with the tamper bracket.
When fitted the shroud must surround the
point where the tamper bracket touches the
wall. see Figure 14
Figure 13 Fitting Feet and Tamper Sleeve.
Figure 14 Fitting Tamper Shroud.
Fitting Case Back to Wall
Use No14/M6 screws at least 50mm long,
inserted into wall anchors appropriate for
the type of wall.
WARNING
Ensure that the fixings are
strong enough to support the weight of the
control unit, its lid and 17Ah lead acid
battery. The total weight of the control unit
plus batteries can be up to 11kg.
Protect the unit from dust and drilling
debris when drilling the fixing holes.
Fitting the PCB
The control unit PCB is supplied in a
separate carton designed to store it safely if
you wish to fit the pcb some time after you
have fitted the case. Clip the plastic PCB