Sierra 840 User Manual
Table of Contents
Series 830/840/860 Instruction Manual
0-4
IM-83/84/86-H
Table of Contents
Chapter 1 Introduction
Introduction..............................................................................1-1
Using this Manual...............................................................1-1
Safety Information..............................................................1-2
Receipt of System Components ..........................................1-2
Technical Assistance ..........................................................1-2
The Series 800 Flow Sensing Principle.....................................1-3
Chapter 2 Installation
Quick Installation Guide...........................................................2-1
Installation Overview ...............................................................2-2
Installing the Transducer ..........................................................2-3
Installation Overview ...............................................................2-2
Installing the Transducer ..........................................................2-3
Compression Fittings..........................................................2-3
VCO Fittings ......................................................................2-3
VCR Fittings ......................................................................2-4
NPT and 1/2-inch Fittings...................................................2-4
Wiring the Transducer..............................................................2-5
Recommended Wire Gauges...............................................2-5
Wiring Transducers with 20-Pin Card Edge Connectors .....2-6
Wiring Transducers with 15-Pin D Connectors .................2-10
Motor-Operated Valve Circular 10-Pin Connector ............2-14
Chapter 3 Operation
Mass Flow Meter Operation .....................................................3-1
Mass Flow Controller Operation...............................................3-2
Mass Flow Controller Operation...............................................3-2
Electromagnetic Valve Controllers .....................................3-2
Motor-Operated Rotary Valve Controllers ..........................3-3
Mass Flow Controller Features.................................................3-4
Over-Range and Cold Sensor Lockout Circuit ....................3-4
Controller Auto Shut-Off Feature .......................................3-4
On-Off Control and Soft Start Option .................................3-5
Valve Purge Function .........................................................3-6
Chapter 4 Maintenance
Flow Path Maintenance ............................................................4-1
Changing the Laminar Flow Element..................................4-1
Sensor Maintenance .................................................................4-6
Sensor Cleaning and Inspection ..........................................4-6
Sensor Electrical Test .........................................................4-7
Valve Maintenance...................................................................4-8