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3. Installation
3. INSTALLATION
Note: The following instructions assume that you have already run the necessary
cabling.
Caution: Always remove mains power before opening the case lid. Do
not work inside the control unit with mains power present.
Fitting the System
Fitting the Control unit Case
1. Remove the control unit case from the packing.
2. Remove the front screws and slide off the case lid.
3. The upper part of the case back provides a central keyway. Mark and
drill a hole for the keyway. Temporarily fix the case back to the wall.
Now mark the position of two more fixing holes, remove the case back
and continue to drill the holes.
4. Refit the case back to the wall using not less than 30mm x No 8 Dome
or Pan-head screws.
Fitting the Control Unit PCB.
Figure 6. Fitting Control Unit PCB
1. Fit the removable support pillar into the case back.
2. Secure the PCB to the support pillars with the screws provided (Figure
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