ISSUE:
02
No:
DATE:
PAGE:
2
of
9
OCTOBER 2006
NISM/NAMAS3/02
NAM-AS3 LOOP POWERED
INPUT MODULE
INSTALLATION & TECHNICAL
MANUAL
INPUT MODULE NAM-AS3
INSTALLATION
1)
a) Remove the NAM-AS3 boxed unit from its packaging.
b) Remove the 4 x posi-screws holding the lid to the main enclosure of the NAM-AS3.
c) Completely remove the single top screw holding the P.C.B. enclosure to the rear of the
main enclosure.
d) Unscrew halfway the two remaining lower screws holding the PCB enclosure to the rear of
the main enclosure.
e) Gently tilt and lift out the P.C.B. enclosure and safely store the PCB enclosure until the
wiring stage. (Note:Please take ESD precautions when removing the P.C.B. from the main
enclosure.
2)
a) Using initially a 3-4mm 'pilot' drill and then a special 'knock out' drilling tool, as shown
below, drill out the required amount of knockout holes for cable gland entry to the main
enclosure of NAM-AS3.
b) Using the template on page 5 of this manual, mark and drill the main enclosure screw
positions in the wall.
c) Position the NAM-AS3 enclosure to the wall and screw the 4 x fixing screws through the
rear of the enclosure.
d) Terminate all the loop cables and glands as required into the knockouts in the main
enclosure.
e) Insert the PCB enclosure in reverse order as per instructions above.
3)
a) Terminate all the loop cables and any IP/OP auxiliary switching cables where required into
the terminals on the PCB, please see page 8 of this manual for connection details.
b) Please note there is an earthing stud on the lid and on the rear of the main enclosure box
if an earth is required on the fire system devices. An earthing cable/strap is provided with the
NAM-AS3.
c) When all the necessary commissioning has successfully been carried out, replace the lid
onto the enclosure, replace the 4 x lid fixing posi-screws.
