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2 Overview
The Midas
gas detector comprises of 4 parts: the
®
main chassis, the mounting bracket assembly, the
sensor cartridge and the unit cover. Diagram 2-1
details the Midas
general arrangement. Additionally,
®
optional Pyrolyzer modules for the detection of NF
or various PFCs and an optional LonWorks
are available. Please refer to
respectively for details of these options.
Diagram 2-1. Midas
general arrangement exploded view
®
3
module
®
Section 9
and
10
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2-2
Midas
2.1 Chassis
The chassis comprises the display, pump assembly,
and plug in sensor cartridge chamber.
Diagram 2-2. Main chassis
Pump module
Caution
The Service Port is only for use with
approved connectors by Honeywell
Analytics service personnel operating a
system diagnostic. Unauthorized connection
to this port may lead to damage of the
Midas
and external equipment and will not
®
be covered by the normal product warranty
conditions.
2.1.1 Display
The display is located at the front of the main
chassis and consists of a large alphanumerical
and graphical backlit LCD, 3 LED indicators and a
4-button keypad. Under normal operation the LCD
and LEDs display gas concentration, alarm and
system status. In set-up, review, calibration and test
modes, the LCD shows the relevant menu options.
These menus are simply navigated using the 's' up,
't' down, '3' accept and 'X' cancel buttons.
Gas Detector
®
Service Port
Display
Sensor cartridge chamber
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