10
Field Wiring (continued)
POWER SUPPLY WIRING
The DTC-300A-2 requires power from a 24V DC regulated or 24V DC FWR supply. Connect to terminals marked
24V DC IN, positive and negative. If used, the PCS-100 Power Converter and Relay converts the 24V to provide the
14V required by the 3G4010 Wireless Alarm Communicator.
Figure 7: DTC-300A-2 24V Power Supply Wiring
Use wire gauge for power supply wiring as specified per Table 6 below
Table 6: Power Supply Wiring Chart:
Wire gauge
Maximum wiring run to last device
AWG
Feet
Meters
22
2530
770
20
3940
1200
18
5910
1800
+
+
-
-
FIRE PANEL
OUT
IN
24V DC
24V DC Regulated or
24V FWR, 670 mA MAX
24V FWR,
1.5 Amp MAX
THE 24V DC OUT TERMINALS ARE USED
TO PROVIDE POWER TO THE PCS-100
DTC-300A-2
PCS-100
-
+
Note:
Use metal conduit between
DTC-300A-2 and Fire Alarm
Control Panel
24V GND
NC COM NO
PGM4 GND 14V
TROUBLE
RELAY
NOTE: Distance maximum for wiring is 18 metres.
MUST BE IN THE SAME ROOM