Harrington Signal HS-3200 - Install Manual - Manual (Page 21)

HS-3100/3200 Installation Manual
15
3.4 Wiring
Power Connections
The Main Control Unit requires an AC power supply. This supply is connected as shown below:
The batteries forming the Battery Pack are wired in series. The Battery Pack attaches to the two
wires coming from the Power Supply Board, the black wire to the black (negative) terminal and the
red wire to the red (positive) terminal.
Note: Main and Auxiliary transformer are model number: HS-XPS
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Figure 4: AC Power