NOTE: Use the key supplied to hinge open the horn assembly from the
back box.
b)
Cut the required cable entry holes using the recessed centres on the
back box.
c)
Feed the cables through the entry holes and mount the back box to an
even surface or BESA box.
NOTE: The loop cable screen must be electrically connected to the
metalised coating in the backbox, either directly via fixing screws or using
the earth point, in order to maintain earth continuity.
d)
Terminate the cables at the entry to the back box utilising the earth
links to provide earth continuity for two cable termination. As an
alternative the earth point in the back box can be used.
e)
Hook the horn assembly onto the back box and secure the terminal
block to the fixing pillars in the back box using the self tapping
screws.
f)
Connect the cable ends to the terminal block.
g)
Close the horn assembly onto the back box and secure it using the
allen key.
78277-01NM Repeat Sounder
The 78277-01NM Repeat Sounder is similar to the 78275-01NM Optical
Sensor Sounder, but does not include the sensor elements. The installation
therefore, is identical to the sensor installation, see section 8.
78277-01NM Repeat Sounder
Alarm Sounders
Senator II Installation Manual
13-2
78910-03NM Issue 2_10/96