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The impedance reading must be below 100 ohms. Record the result within APPENDIX
D – UPS Commissioning Certificate and the Controller Logbook. If a higher reading is
measured, please contact Siemens Traffic Solutions Engineering.
WARNING: The supply earth MUST BE RECONNECTED once this test is
complete.
11.3 Putting the UPS Solution in BYPASS
1. Make sure all switches listed in section 10 are in the OFF position and the
Manual Bypass Switch (SW1) on the UATS is in the BYPASS position.
2. Switch the Mains Input MCB on UPS Housing to ON.
The UPS Solution is now in BYPASS via the UATS. When present, power from the site's
mains supply feeder pillar passes directly to the traffic intersection controller without
interacting with the FXM UPS unit.
NOTE: The UPS Solution is in BYPASS as long as long as the Mains Input
MCB in the UPS Connection Panel and the Manual Bypass Switch (SW1) on
the UATS are in the ON and BYPASS position respectively, no matter the state
of other isolation switches within the solution.
11.4 Powering and Commissioning the Controller
1. Ensure the UPS Solution is in BYPASS as per section 11.3.
2. Commission the traffic intersection controller in accordance with its related
Installation, Commissioning and Maintenance Handbook. See section 1.2.
3. Switch on mains power within the site's supply feeder pillar at the appropriate
stage of controller commissioning.
The traffic intersection controller should now be fully operational.
11.5 Starting Up the UPS Solution
NOTE: Enter all results into APPENDIX D – UPS Commissioning Certificate.
1. Switch all Battery Shelf Isolation Switches on the Battery Housing modules
within the UPS Cabinet and Battery Expansion Cabinet, if installed, to ON in turn.
2. If a Battery Expansion Cabinet is installed, switch the Battery Expansion MCB
in the cabinet's DC Housing module to ON. The Battery Expansion Cabinet can
now be closed.
3. In the UPS Cabinet, switch the Battery Breaker on the UPS Unit to ON.
4. Ensure the UPS unit is now on and displays 'STANDBY'.
5. Switch the UPS Supply Breaker (CB1) on the UATS to ON.
6. Switch the Input Circuit Breaker on the UPS Unit to ON.
7. Wait for the UPS Unit to display 'LINE'.
Version
7
Last Editor
Ore Oluwatudimu
Document
UPS Solution General Handbook
Name
Copyright ã Siemens plc 2017 All Rights Reserved
Infrastructure and Mobility, Traffic Solutions
Page 43 of 76
Status
TS008468
Date
Doc. No.
Sopers Lane, Poole, Dorset
BH17 7ER
ISSUED
31/01/2017
667/HB/47750/000
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