Alarm Signal; Startup - Thermo Scientific SOLA II Flare User Manual

Alarm Signal

Startup

Thermo Scientific
The X-Purge provides dry alarm contacts. To use the alarm contacts, refer to
the following connection table. The alarm contacts are rated for 10 A at 120
Vac (240 Vac for 240 Vac units).
Table F–5.
Alarm Terminal
Open on alarm (closed when power is applied to the analyzer system)
Common
Closed on alarm (closed when purge is lost or during fast purge of analyzer
system)
The following procedure should be performed when starting up any analyzer
system that uses the X-Purge system.
Caution Before initially starting the system, electrical power wiring must be
checked for correct size and routing. All sample system plumbing must be
thoroughly tested for leaks. ▲
Caution Do not open the explosion proof X-Purge enclosure in a hazardous area
even when de-energized unless area has been properly tested and is known as
being free from explosive gases. ▲
The following procedure only addresses the application of power to the system.
Consult the start-up procedures in the instrument user's guide for additional
requirements for system start-up.
1. Consult the start-up procedures in the instrument user's guide for
general information on system start-up. All requirements prior to
applying power to the system must be performed before proceeding to
the rest of this procedure.
2. Open the instrument air supply to the analyzer.
3. Close the oven door securely and adjust the oven air pressure regulator
to the value required for the analyzer (refer to the application notes or
logbook for the analyzer).
Appendix F
The X-Purge System
Terminal #
TB1-7
TB1-8
TB1-9
SOLA II Flare User Manual F-5