iv | Thermox WDG-V / VC / VCM with Blow Back
I/O ............................................................................................................... 2-13
Analog Outputs ......................................................................................... 2-13
Alarm Contacts .......................................................................................... 2-14
Service Alarm Relay .............................................................................. 2-14
Data Valid Relay ................................................................................... 2-14
Contact Input ............................................................................................. 2-14
Remote Calibration Unit Interface .......................................................... 2-14
Communications Interface ............................................................................. 2-15
Start-Up Checklist ............................................................................................ 2-16
Common Operator Errors .............................................................................. 2-17
Technical Support ............................................................................................. 2-18
CHAPTER 3 Installation Guide
Analyzer Location .............................................................................................. 3-2
Inspect Shipping Contents ........................................................................ 3-2
Mechanical Installation ..................................................................................... 3-3
Sample Inlet Probe Installation (Wall/Flange Mount) ........................... 3-3
Pressure Adjustments (Wall/Flange Mount) .......................................... 3-4
Sample Inlet Probe Installation (Floor Mount) ....................................... 3-5
Pressure Adjustments (Floor Mount) ..................................................... 3-6
Exhaust Tube Installation ........................................................................... 3-6
Sensor Mounting (Wall/Flange Mount) ................................................... 3-7
Methods for Mounting the Sensor .......................................................... 3-7
Sensor Mounting (Floor Mount) .......................................................... 3-10
Calibration/Aspirator Air .......................................................................... 3-11
Required Calibration Gases and Tubing ................................................ 3-11
Manual Calibration and Aspirator Air Connections ............................ 3-12
Remote Calibration Unit Mechanical Installation ................................ 3-13
Standard RCU Mechanical Installation ................................................ 3-13
Standard RCU ....................................................................................... 3-14
Combustibles RCU ................................................................................ 3-15
Wiring................................................................................................................. 3-19
General Wiring and Conduit Requirements ......................................... 3-19
WDG-V Mains Supply Connections ...................................................... 3-20
EMC Grounding, Shielding, and Noise Protection .............................. 3-21
Transient and RFI Interference ............................................................. 3-22
Current Output Connections .................................................................. 3-23
Standard Current Outputs ................................................................... 3-23
Alarm Contact Connections..................................................................... 3-25
Standard Alarm Connections ................................................................ 3-25
Remote Calibration Unit (RCU) Connections ....................................... 3-26
Oxygen-Only Remote Calibration Unit Connections .......................... 3-26
Combustibles Remote Calibration Unit Connections ............................ 3-26
Digital Input to Initiate Remote Calibration Unit ............................... 3-27
Notes About Ducting ............................................................................... 3-28
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