MTech MA-1000, Installation & Operation Manual

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The NAC provide the following programmable modes:
NAC Steady
– 24 VDC at alarm condition
NAC Temporal Code
– 24 VDC at alarm condition (on, off, on, off)
NAC March Time
– 24 VDC at alarm condition (on, on, off, off, on, on, off, off)
Synchronization - Cooper Wheelock DSM-12/24 p/n 06.012 is for per NAC MAX 20 devices can be
connected.
Max arms current 70mA
ANSI S-3-41
Single stroke BI
California code
Form C Relays
Trouble Relay is common working when Trouble condition.
Alarm Relay is common working when Alarm condition.
Relay 1 is programmable relay.
Relay 2 is programmable relay.
Relay 3 is programmable relay.
All relays have same rating: 2A, 30VAC, resistive
The FACP provides 3 programmable Form-C relays and one fixed fail-safe Form-C trouble relay, all
with contacts rated for 2.0 amps @ 30 VDC (resistive) or 0.5 amps @ 30 VAC (resistive).
Note: that the relay connections must be power-limited. Refer to UL Power-limited wiring
requirements.
Loop lengths
The maximum permitted loop length is 2 km measured from the near to the far terminals on the MA-
1000 Loop Card PCB. There is no minimum limit to loop length. Any wiring spurs off the loop must
be included within the 2 km limit. On long loop runs, the lengths of wiring rises and falls (between
floors, down to manual call points) must be included. Remember to include these especially when
taking loop lengths from plan drawings.