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Surge Suppressor
The parallel surge suppressor protects the display from transient voltage spikes.
Relays
Relays are solid-state switches in which the electrical current applied across one port or
terminal controls electrical currents for another terminal, such as a beacon, heater, or
fan. Relays receive signal from the VCB.
Ventilation and Heater Systems
Intake Fans and Filters
Filtered intake fans mount to the lower rear of the display. The VFC-3000 controller/
Vanguard
®
Field Controller analyzes temperature readings from the temperature sensor
network and adjusts fan usage. Additionally, an internal thermostat activates the fans
if the internal temperature exceeds a set limit. A filter removes dust and debris from the
incoming air to protect the internal display components.
Defog Heater Fans
If equipped, the heater fans mount to the bottom of the display. The heater fans warm
the front face to prevent fogging. The controller analyzes internal temperature readings
from the temperature sensor network and adjusts heater fan usage accordingly.
Beacon(s)
Beacons are turned on and off independently from the rest of the sign by the VCB.
Beacons are at the customer’s discretion.
