
viii
5.3. Multidrop RS-232 Set Up...........................................................................................................................106
5.4. RS-485 Configuration of COM2.................................................................................................................108
5.5. Remote Access via the USB Port (Option)................................................................................................108
5.6. Remote Access via the Ethernet...............................................................................................................110
Configuring the Ethernet Interface using DHCP .................................................................................1115.6.1. Manually Configuring the Network IP Addresses ........................................................................1135.6.1.1.
Changing the Calibrator’s Hostname..................................................................................................1155.6.2.
5.7. APICOM Remote Control Program ...........................................................................................................116
6. CALIBRATION AND VERIFICATION...............................................................................117
6.1. Verifying/Calibrating the O3Photometer ...................................................................................................117
Setup for Verifying and Calibrating the O3Photometer.......................................................................1176.1.1. Calibration Manifold Exhaust/Vent Line.......................................................................................1196.1.1.1.
Verifying O3Photometer Performance................................................................................................1206.1.2. Calibrating the O3 Photometer............................................................................................................1206.1.3. Photometer Zero Calibration........................................................................................................1216.1.3.1. Photometer Span Calibration.......................................................................................................1226.1.3.2.
O3Photometer Dark Calibration..........................................................................................................1236.1.4. O3Photometer Backpressure Compensation Calibration...................................................................1246.1.5.
6.2. Calibrating the O3Generator.....................................................................................................................124
O3Generator Calibration table............................................................................................................1256.2.1. Viewing O3Generator Calibration Points............................................................................................1266.2.2. Adding or Editing O3Generator Calibration Points.............................................................................1276.2.3. Deleting O3Generator Calibration Points............................................................................................1286.2.4. Turning O3Generator Calibration Points ON / OFF............................................................................1296.2.5. Performing an Automatic Calibration of the O3Generator..................................................................1306.2.6.
6.3. Calibrating Gas Pressure Sensors............................................................................................................131
Gas Pressure Sensor Calibration Set Up............................................................................................1316.3.1. Calibrating the Pressure Sensors........................................................................................................1336.3.2.
6.4. Gas Flow Calibration .................................................................................................................................134
Calibrating the Photometer’s Sample Gas Flow .................................................................................1366.4.1. Calibrating the Output Gas Flow.........................................................................................................1376.4.2. Output Gas Flow Set Up..............................................................................................................1376.4.2.1. Performing an Output Gas Flow Calibration................................................................................1386.4.2.2.
7. MAINTENANCE SCHEDULE & PROCEDURES .............................................................139
7.1. Maintenance Schedule..............................................................................................................................139
7.2. Performing Leak Checks...........................................................................................................................143
Pressure Leak Check..........................................................................................................................1437.2.1.
7.3. Cleaning or replacing the Absorption Tube...............................................................................................145
7.4. Rebuilding the Dry Air Pump.....................................................................................................................145
7.5. Photometer UV Source Lamp Adjustment ................................................................................................146
7.6. Photometer UV Source Lamp Replacement.............................................................................................148
7.7. Adjustment or Replacement of Ozone Generator UV Lamp.....................................................................149
8. GENERAL TROUBLESHOOTING & SERVICE ...............................................................150
8.1. General Troubleshooting...........................................................................................................................151
Fault Diagnosis with WARNING Messages........................................................................................1528.1.1. Fault Diagnosis With Test Functions...................................................................................................1558.1.2. Using the Diagnostic Signal I/O Function............................................................................................1568.1.3.
8.2. Using the Analog Output Test Channel.....................................................................................................158
8.3. Using the Internal Electronic Status LEDs ................................................................................................159
CPU Status Indicator...........................................................................................................................1598.3.1. Relay PCA Status LEDs......................................................................................................................1598.3.2. I2C Bus Watchdog Status LEDs...................................................................................................1598.3.2.1. Troubleshooting with Relay Board Status LEDs..........................................................................1608.3.2.2.
8.4. Subsystem Checkout.................................................................................................................................161
Verify Subsystem Calibration..............................................................................................................1618.4.1.