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201/203 Series Page 3 of 20
Table of Contents
1. GENERAL INFORMATION............................................................................................................................................4
1.1. FEATURES ....................................................................................................................................................................4
1.2. SPECIFICATIONS........................................................................................................................................................... 5
1.3. OPTIONAL 4-20 MA CURRENT OUTPUT ....................................................................................................................... 6
1.4. OTHER ACCESSORIES................................................................................................................................................... 6
2. INSTALLATION AND OPERATION............................................................................................................................. 7
2.1. RECEIVING INSPECTION ............................................................................................................................................... 7
2.2. POWER REQUIREMENTS ...............................................................................................................................................7
2.3. OUTPUT SIGNAL........................................................................................................................................................... 7
2.4. MECHANICAL CONNECTIONS....................................................................................................................................... 7
2.5. ELECTRICAL CONNECTIONS......................................................................................................................................... 8
2.6. OPERATION.................................................................................................................................................................. 9
2.7. RANGE CHANGING:.................................................................................................................................................... 11
3. THEORY OF OPERATION ........................................................................................................................................... 12
3.1. OVERALL FUNCTIONAL DESCRIPTION: ...................................................................................................................... 12
3.2. SENSOR:..................................................................................................................................................................... 12
3.3. ELECTRONICS: ........................................................................................................................................................... 12
3.4. SHUNT: ...................................................................................................................................................................... 13
3.5. VALVE:......................................................................................................................................................................14
4. MAINTENANCE..............................................................................................................................................................15
4.1. AUTHORIZED MAINTENANCE..................................................................................................................................... 15
4.2. TROUBLESHOOTING ...................................................................................................................................................15
4.3. ADJUSTMENTS ........................................................................................................................................................... 16
4.4. END CAP REMOVAL:.................................................................................................................................................. 17
4.5. PRINTED CIRCUIT BOARD REPLACEMENT.................................................................................................................. 17
4.6. SENSOR REPLACEMENT: ............................................................................................................................................ 17
4.7. ORIFICE CHANGES: .................................................................................................................................................... 17
4.8. REPLACEMENT PARTS................................................................................................................................................ 18
5. WARRANTY.................................................................................................................................................................... 20
5.1. WARRANTY REPAIR POLICY ...................................................................................................................................... 20
5.2. NON-WARRANTY REPAIR POLICY ............................................................................................................................. 20