Product Literature

27
Troubleshooting Guide
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Power Transformer
AC Power Terminals
Relay Board
Electrical Protection
1 - Main Power Switch / 1.5A Circuit Breaker - Protects the controller from a short circuit on the incoming
power line.
2 - Input Voltage Select Switch - Set the input power supply to 115 VAC or 230 VAC
3 - 3.2A Slow Blow Fuse - Protects the controller from a short circuit on the 24 VAC field common wire or from
excessive simultaneous activated solenoids.
4 - 4.0A Circuit Breaker - Protects logic circuit boards, such as the faceplate and distribution board from a
short circuit.
5 - Distribution Board Power Socket - Power supply connection to the Distribution Board and the 24 VAC.
6 - 3.0A Fast Blow Fuse - Protects the individual 16-station output boards from a 24 VAC field wiring short
circuit, shorted solenoid or excessive simultaneous activated solenoids.