
b) Pull down the plastic clip at the bottom right hand corner of the PCB and gently
lift the PCB forward.
c) Repeat with the plastic clip at the bottom left hand corner of the PCB.
d) The bottom of the PCB will then swing forward and the whole PCB will come away
from the base.
3 Hold the base in the required position and mark the centre of the keyhole positions.
Remove the base, then drill and plug the holes. Note: Remember to allow enough
room to get the cover screw in to top of panel when mounting the base.
4 Re-position the base and secure to the wall with 3 x No. 10 1
1
⁄
4
" wood screws.
5 If a remote keypad is being fitted to the system, refer to page 16.
6 Re-fit the PCB assembly by aligning the top of the PCB into the 2 supports in the top
of the housing ensuring that the edges of the board sit between the 2 flanges, then
push the bottom of the PCB until it clicks in place.
7 Re-connect the AC leads to the transformer.
8 Connect the mains to the fused terminal block in the panel via an un-switched fused
spur, ensuring that the cables enters the housing via its own cable entry point.
Mains Connection
The mains supply is connected to a 3 way "Euro Type" fused terminal block. To comply
with BS4737 the supply should be fed from an un-switched fused spur fitted with a 3A fuse.
All electrical connections should be carried out by a technically competent person and
must comply with the current IEE regulations.
Battery Connection
A 2.1Ah battery must be fitted to the control panel to allow the system to function during
a mains fail condition.
The TSD402 is equipped with a "Battery Protection" circuit so that if a battery is accidentally
reverse connected or its voltage is below 8V, the "Battery Fault" LED illuminates. To clear
the fault simply reconnect or replace the battery as appropriate.
System Installation TSD402 Installation Manual
10
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