38
Metal back box
Metal back box
A metal back box must be used for surface or semi-flush mounting. The earth continuity
must be maintained throughout the whole loop. The earth must be securely connected
to the back box.
Loop cable
Standard Metal Box
Cable gland
Loop cable
Base
Ceiling tile
2 Screws (NOT SUPPLIED) to
secure Base and IP21 Plate (if fitted)
to the Metal box
Cross section
of ceiling tile
IP 21 Plate
(used on with VAD devices)
Route the cables
In - Out wiring to SenTRI bases
EM2
OUT5
IN4
C3
L1
0V
L2
EM2
OUT5
IN4
C3
L1
0V
L2
EM2
OUT5
IN4
C3
EM2
OUT5
IN4
C3
Summary of Contents for SenTRI2
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Page 43: ...43 SenTRI4 fire system Notes...