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8024250/18HT/V2-0/2020-12| SICK
O P E R A T I N G I N S T R U C T I O N S | ZIRKOR200 Ex-G
Subject to change without notice
4
LAYOUT AND FUNCTION
4
Layout and function
4.1
System overview
Fig. 4: ZIRKOR200 Ex-G version of analyzer unit for flue gases up to 500 °C
-1° ... - 3°
C
1
A
B
3
4
9
2
7
6
8
10
5
a
b
c d
12 13 11
1 Control unit / IP66
A
Potentially explosive atmosphere Zone 1 2G IIC T6
Ambient temperatures: -20 °C to +55 °C (-4 °F to +131 °F)
2 In-situ measuring probe / IP66
B
Potentially explosive atmosphere Zone 1 2G IIC T3
Flue gas duct / combustion chamber - flue gas temperature up to
500 °C
3 Pneumatic line
C
Flue gas direction
4 O
2
connection cable, analyzer electronics - control unit
5 Solenoid valve (optional)
6 Counter flange (optional)
7 Insulation: Customer*
a
Output signals (analog and digital)
8 Duct wall
b
Power supply, power voltage 230 V/115 V ±10% 50 to 60 Hz, max.
400 VA
9 Solenoid valve control cable (only with solenoid valve
option)
c
Test gas inlet
10 Pneumatic unit IP 66
d
Instrument air inlet
11 Connection cable, pneumatic unit – control unit (only
with solenoid valve option)
12 Connection cable
13 Connection cable
* Note: Risk of corrosion due to lack of insulation
