Relay Box Interior; Figure 2. Low Voltage Layout Wiring Diagram - ICS Tunnel Master Jr User Manual

System Hardware and Installation
.

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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
Tunnel Master Jr.

Figure 2. Low Voltage Layout Wiring Diagram

User Manual—Version 3.0
January 2016