Model 2180A
1
Introduction
Protection for Life
General Monitors’ mission is to benefit society by providing solutions through
industry leading safety products, services, and systems that save lives and
protect capital resources from the dangers of hazardous flames, gases, and
vapors.
This manual provides instruction for installing and operating the General Monitors
Model 2180A Single Channel Control Module for Hydrogen Sulfide Gas
Applications. While the 2180A system is easy to install and operate, this manual
should be read in full, and the information contained herein understood, before
attempting to place the system in service.
The safety products you have purchased should be handled carefully and
installed, calibrated, and maintained in accordance with the respective product
instruction manual. Remember these products are for your safety.
Special Warning
Through engineering design, testing, manufacturing techniques, and rigid quality
control, General Monitors (GMI) supplies the finest gas detection systems
available. The user must recognize his responsibility for maintaining the gas
detection system in operational condition.
The Model 2180A Single Channel Combustible Gas Monitor contains
components, which can be damaged by static electricity. Special care must be
taken when wiring the system, to ensure that only the connection points are
touched.
General Monitors cautions, as with all equipment of this type, that high levels or
long exposure to certain atmospheres will degrade the sensor and eventually
affect sensitivity. For specific information, see Section 2.6.3. Use in such
atmospheres requires calibration checks on a more frequent schedule than
normal. General Monitors should be consulted for an application feasibility
determination, before installing a system in such atmospheres.
General Monitors’ sensors and sensor housings are designed and tested for use
in certain classes of hazardous atmospheres. Explosion-proof integrity cannot be
maintained, if sensors and sensor housings are operated in other than the “as
designed” condition. Terminal access covers of sensor housings must be
securely fastened. Sensor housing must be installed in accordance with National
Electrical Code acceptable practices, for the class of hazardous atmospheres.
Sensors are designed with sintered metal, or screen covers, that act as flame
arrestors. Do not operate sensors without screen or sintered metal parts in place.
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