System Hardware and Installation Tunnel Master
Jr. User Manual—Version 3.0
18 January 2016
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Figure 2. Low Voltage Layout Wiring Diagram
RELAY BOX INTERIOR
Each relay has circuits to control both 24 VAC and/or 120 VAC simultaneously
so that a service sign as well as the service solenoid can be operated from
the same relay.
Plug in relays for ease of serviceability.
Each relay has
2 fuses.
Built in spare fuses and fuse tester near the center of the box.
Each relay can be programmed to flash, eliminating the need for field
installed flashing relays for signs.
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