Faraday MPC-1500 Plus - City Tie and Status Relays Wiring; Nac Wiring

12530/12540 OWNER'S MANUAL
P/N 447203 Issue I V-5
CITY TIE AND STATUS RELAYS WIRING
The lower edge of the main termination board provides for connection of city tie, status relay contacts,
auxiliary power connections and external trouble monitor.
NAC WIRING
At the right hand side of the main board the terminal blocks are used for the connection of notification
appliances. Four individual NACs marked A through D are provided and the polarity shown is when the
NAC is activated.
Notification Appliance Circuit
Style Y, Class B
Supervised, Power Limited
See Owner’s Manual for
Compatible Devices
4.7K 1/2W
Faraday P/N 10812
Polarity shown in activated condition
-
+
See Typical
Wiring above
See Typical
Wiring above
NAC Rating:
Alarm Voltage: 24VDC nominal
Max. Alarm Current: 1.5A
Max. Ripple: 1.5VAC
Max. Wire Voltage Drop: 1.0VDC
Max. Standby Current: 3.4mA
NOTE:
The maximum current for control
unit and appliances is 4.4A
See Typical
Wiring above
Optional external 24VDC
nominal input for NACs 3 & 4,
3 Amp. max.
Use 12408 Auxiliary Power Supply.
Cut jumper WJ1 & 2 to enable
Optional 12504
Class A Adapter
Alarm
Trouble Supervisory
External Trouble Monitor
Supervised, Power Limited
If P13 removed, monitors
normally closed contact
Status Relay Contacts
(Shown in normal standby condition)
2A@30VDC, 0.5A@30VAC max, Resistive
For Power Limited Source, Unsupervised
Auxiliary Power Output 0.9A max.@24VDC
nominal, Unsupervised, Power Limited
(Maximum current of all auxiliary power
outputs, DACT and relay board is 0.9A.)
Processor
Failure
City Tie
Connections
Power
Failure
+ -