9.4 Troubleshooting Sequence Chart
Power Transfer Switch
Turn OFF the Upstream Breaker.
Disconnect the UPS OUT Cord at the
TRTC-2002-N1.
Disconnect the UPS IN Cord at the
TRTC-2002-N1.
Disconnect the Red & Black PTS control
wires at the TRTC-2002-N1.
Disonnect the wires from AC IN,
NEUTRAL, GROUND and AC OUT from
the PTS.
Remove and perform the maintenance
on the PTS.
Perform this procedure in the reverse
order to reinstall the PTS.
NOTE:
IMPORTANT: Verify that both the AC
INPUT & OUTPUT and Battery Breaker
are OFF at the TRTC-2002-N1.
NOTE:
IMPORTANT: Place the Manual
Bypass Switch in BYPASS before
doing any maintenance on the unit or
PTS to prevent accidentally losing
power to the traffic signals.
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Summary of Contents for TRTC-2002-N1
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