Teledyne 1220 - Multipoint flammable gas and vapor detection system User Manual
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Teledyne Analytical Instruments
4.2.1 System Power Switch and LED ................................... 4-2
4.2.2 Audible Alarm Switch and Bypass LED ....................... 4-2
4.2.3 Fuses .......................................................................... 4-2
4.2.4 RS485 Port .................................................................. 4-2
4.3
Channel Module Front Panel Controls & Indicators ....... 4-4
4.4
Calibration Procedures .................................................. 4-7
4.4.1 Zero Calibrating a Single Sensor Ch. Module ............. 4-7
4.4.2 Span Calibrating a Single Sensor Ch. Module ............ 4-8
4.4.3 Zero Calibrating a Dual Sensor Ch. Module ................ 4-9
4.4.4 Span Calibrating a Dual Sensor Ch. Module ............... 4-9
4.4.5 Using the "1MAN" Calibration Option. ....................... 4-10
4.4.5.1 Zero & Span Calibrating a Single Sensor Ch. M. ... 4-10
4.4.5.2 Zero & Span Calibrating a Dual Sensor Ch. M. ...... 4-10
4.5
Alarm Configuration Procedures .................................. 4-11
4.5.1 Defining the Setpoint for the High or Caution Alarm .. 4-11
4.5.2 Configuring Alarm Relay Settings ............................. 4-11
4.5.2.1 Setting the Fail-safe or Non Faile-safe Mode .. 4-11
4.5.2.2 Setting the Latching or Non-Latching Mode ... 4-12
4.6
Setting the ID Code ..................................................... 4-12
4.7
Enabling/Disabling the Pass Code ............................... 4-12
4.8
Setting the Sensitivity Gauge ....................................... 4-13
4.9
Routine Operation ........................................................ 4-13
4.10
FAIL Alarm Conditions ................................................. 4-14
4.11
Calibration of Combustible Gas Detectors to the LEL of
Gases other than Methane .......................................... 4-14
Failure and Error Codes
5.1
Failure Codes ................................................................. 5-1
5.2
Error Codes ................................................................... 5-2
Appendix
A-1
Specifications ................................................................. A-1
A-2
Recommended Spare Parts List .................................... A-2
A-3
Drawing List ................................................................... A-3