Expo-Telektron Safety Systems MiniPurge Z & Y Purge Manual ...

Expo-Telektron MiniPurge Handbook ML 307 Issue A
Page 1-3
6.6.1 Connections to protective Gas supply. ...............................................................6-2
6.6.2 Purge air from Control Unit to pressurized enclosure........................................6-3
6.6.3 Control Unit to enclosure pressure monitor........................................................6-3
6.6.4 Control unit to flow sensor. .................................................................................6-3
6.6.5 Power supplies and their isolation......................................................................6-3
6.6.6 Adjustments and settings....................................................................................6-4
6.6.7 Purge time..........................................................................................................6-4
6.6.8 Purge flow rate for Continuous Flow (CF) systems............................................6-5
6.7 Action on loss of pressurization..................................................................................6-5
6.8 Initial Commissioning ..................................................................................................6-6
6.8.1 Check calibration.................................................................................................6-6
6.9 Commissioning............................................................................................................6-7
6.9.1 Continuous Flow (CF) Systems..........................................................................6-7
6.9.2 Leakage Compensation systems (LC)................................................................6-8
6.10 Normal operation.......................................................................................................6-10
6.10.1 CF systems........................................................................................................6-10
6.10.2 LC systems........................................................................................................6-10
7 MAINTENANCE OF THE SYSTEM...............................................................................7-1
7.1 Commissioning............................................................................................................7-1
7.2 Routine maintenance..................................................................................................7-1
7.3 Spares list....................................................................................................................7-2
7.3.1 CF spares list......................................................................................................7-2
7.3.2 LC spares list.......................................................................................................7-2
8 FAULT FINDING.............................................................................................................8-1
8.1 General........................................................................................................................8-1
8.1.1 Fault Finding........................................................................................................8-1
8.1.2 Pressure sensor calibration ................................................................................8-4
9 APPROVAL DOCUMENTS....................................................................................... 9-1
9.1 FM Certificate..............................................................................................................9-2
9.2 UL Certificate............................................................................................................ 9-5