Table Of Contents - ABB AV3 Instruction Manual

SECTION 1 - INTRODUCTION ....................................................................................................1-1
INTRODUCTION .............................................................................................................................1-1
INTENDED USER ...........................................................................................................................1-1
TYPE AV3/4 POSITIONER DESCRIPTION ...................................................................................1-1
TYPE AV3/4 POSITIONER APPLICATION ....................................................................................1-2
TYPE AV3/4 POSITIONER FEATURES .........................................................................................1-2
INSTRUCTION CONTENT .............................................................................................................1-3
HOW TO USE THIS INSTRUCTION BOOK ...................................................................................1-4
REFERENCE DOCUMENTS ..........................................................................................................1-5
TYPE AV3/4 POSITIONER NOMENCLATURE .............................................................................1-5
SPECIFICATIONS ..........................................................................................................................1-6
ACCESSORIES
SECTION 2 - DESCRIPTION AND OPERATION........................................................................2-1
INTRODUCTION .............................................................................................................................2-1
FUNCTIONAL OPERATION ...........................................................................................................2-2
SECTION 3 - INSTALLATION .....................................................................................................3-1
INTRODUCTION .............................................................................................................................3-1
UNPACKING AND INSPECTION ...................................................................................................3-1
ENCLOSURE CLASSIFICATION ...................................................................................................3-2
MOUNTING CONSIDERATIONS ...................................................................................................3-2
MOUNTING TYPE AV3 AND AV4 POSITIONERS.........................................................................3-2
CONNECTING TUBING TO TYPE AV POSITIONER ....................................................................3-7
Filtering Supply Air ...................................................................................................................3-8
Recommended Supply Air Quality ...........................................................................................3-8
Tubing Connections .................................................................................................................3-8
WIRING TYPE AV POSITIONER....................................................................................................3-9
SECTION 4 - CALIBRATION.......................................................................................................4-1
INTRODUCTION .............................................................................................................................4-1
GENERAL CALIBRATION ..............................................................................................................4-1
AV3 Calibration ........................................................................................................................4-1
ZERO ADJUSTMENT (AV3).............................................................................................4-2
SPAN ADJUSTMENT (AV3) .............................................................................................4-3
AV4 Calibration ........................................................................................................................4-3
ZERO ADJUSTMENT (AV4).............................................................................................4-4
SPAN ADJUSTMENT (AV4) .............................................................................................4-4
SERVO MOTOR SPEED ADJUSTMENT (AV4) ..............................................................4-5
CALIBRATION FOR PARTICULAR APPLICATION (AV3 ONLY) ..................................................4-7
Zero Adjustment .......................................................................................................................4-7
Span Adjustment ......................................................................................................................4-7
GAIN AND SPEED ADJUSTMENTS ..............................................................................................4-8
Gain Adjustment.......................................................................................................................4-8
Speed Adjustment....................................................................................................................4-9
ORIFICE SPEED CONTROL............................................................................................4-9
SPEED CONTROL BY PILOT VALVE STROKE ADJUSTMENT.....................................4-9
TROUBLESHOOTING CALIBRATION ADJUSTMENTS..............................................................4-11
Servo Assembly Adjustments (Type AV3 Positioner) ............................................................4-11
Servo Adjustments (Type AV4 Positioner) .............................................................................4-14
.................................................................................................................1-10

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