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8024252/AE00/V1-0/2020-07| SICK
O P E R A T I N G I N S T R U C T I O N S | ZIRKOR200 Ex-D
Subject to change without notice
LAYOUT AND FUNCTION
4
4
Layout and function
4.1
System overview
Fig. 5: System overview
1 Control unit / IP66
A
Safe zone
Max. ambient temperature: -20 °C to +55 °C (+50 °C for pump version)
(-4 °F to +131 °F (+122 °F for pump version))
2 In-situ measuring probe / IP6X
B
Hazardous area, zone IIIC T133 °C/T141 °C
Max. ambient temperature:-20 °C to +70 °C (-4 °F to +158 °F)
3 Pneumatic cable
C
Hazardous area (DustEx), flue gas duct / combustion chamber
4 O
2
probe signal cable
D
Flue gas direction - max. flue gas temperature: 600 °C (1112 °F)
5 Counterflange (optional)
6 Insulation: Customer*
7 Duct wall
8 Probe junction unit
a
Power supply, power voltage 230 V/115 V ±10% 50 to 60 Hz, max. 400 VA
b
Test gas, inlet
c
Output signals (analog and digital)
d
Instrument air, inlet
* Note: Risk of corrosion due to lack of insulation
-1° ... - 3°
a b c d
A
B
C
D
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3
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5
2
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