
Installation and Operation Manual - DustEx
System Description
Doc.-ID: COM_OXI_Dust_11022020
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System Description
1.1
Distinction between COMTEC / OXITEC DustEx
The OXITEC 5000 ATEX DustEx and COMTEC 6000 ATEX DustEx systems differ only in regard to the optional CO
e
sensor.
The
OXITEC 5000 ATEX DustEx
system includes an O
2
sensor only.
The
COMTEC 6000 ATEX DustEx
system includes both O
2
and CO
e
sensors.
There are no constructive differences between both systems.
Info
References to the CO
e
sensor are only applicable to the COMTEC 6000 DustEx analyzer system.
1.2
System Overview
Figure 1
- System overview
Electronic unit SME5 / IP66
Safe Area
Max. ambient temp.: -20 °C to +55 °C (-4 °F to +131 °F)
In-Situ measuring probe / IP6X
Potentially explosive atmosphere (Dust Ex)
Max. ambient temp.: -20 °C to +70 °C (-4 °F to +158 °F)
Pneumatic cable
Duct / combustion chamber
O
2
probe signal cable
Flue gas direction – max. flue gas temperature 600 °C (1112 °F)
Counter flange (Optional)
Manufacturer supply
Isolation: Customer
Customer supply
Duct wall
Power supply
Test gas in
Output signals (analog and digital)
Instrument air in