iv | Model 933S UV Analyzer
Electrical Requirements .................................................................................................. 2-4
Maximum Start-Up Power ...................................................................................... 2-4
Supply Voltage / Maximum Current ..................................................................... 2-4
Sample Gas Flow Rate .................................................................................................... 2-4
Zero Gas ............................................................................................................................ 2-5
Ambient Limits ................................................................................................................ 2-5
Temperature............................................................................................................... 2-5
Humidity .................................................................................................................... 2-5
Maximum Altitude ................................................................................................... 2-5
Sample Pressure Requirement ...................................................................................... 2-5
Sample Stream Compatibility ....................................................................................... 2-6
Maximum Sample Gas Temperature ............................................................................ 2-6
Maximum Sample Cell Pressure ...................................................................................2-6
Physical Dimensions (on Backpan) .............................................................................. 2-6
Options ............................................................................................................................. 2-6
Carbon Dioxide Sensor ...................................................................................................2-7
Accuracy ..................................................................................................................... 2-7
Cross-Talk ................................................................................................................... 2-7
Temperature Drift ..................................................................................................... 2-7
24-Hour Zero Drift ................................................................................................... 2-7
Approvals and Certifications ......................................................................................... 2-8
ATEX and IECEx Certificates and Analyzer Markings ....................................... 2-9
CSA Certificate and Analyzer Marking ............................................................... 2-17
CHAPTER 3 INSTALLATION AND START-UP ................................................................... 3-1
Safety Considerations ..................................................................................................... 3-2
Pre-Installation Requirements.......................................................................................3-2
Storage Prior to Installation ....................................................................................3-2
Uncrating and Inspecting the Analyzer ................................................................ 3-3
General Installation Information ........................................................................... 3-4
Tools and Equipment Required .............................................................................. 3-4
Installing the Mechanical Components ....................................................................... 3-5
Installing the Analyzer ............................................................................................. 3-5
Location and Environment ................................................................................... 3-5
Installing the Optical Bench Assembly ................................................................. 3-7
Installing the Sample System.................................................................................. 3-9
Installing the Sample Probe ..................................................................................3-9
Installing the Sample and Vent Lines ...................................................................3-9
Installing the Zero Gas Line ...............................................................................3-11
Electrical Connections .................................................................................................. 3-12
Input/Output Signal Connections ....................................................................... 3-12
Digital Communication ......................................................................................... 3-13
Hardware Configuration (Modbus Serial Communication) ..............................3-13
Multiple-Analyzer (Multi-Drop) System Configuration...................................3-17
AC Power Connection and Fusing ....................................................................... 3-19
European Installation .........................................................................................3-20
North American Installation ..............................................................................3-20