No. Designation
Function
Dimension
1
Power supplies
Lines 1 and 2: Gas sampling filter
Lines 3 and 4: Probe tube (optional)
4 x 1.5 mm
2
2
Signal lines (Pt100)
Lines 1 and 2: Gas sampling filter
Lines 3 and 4: Probe tube (optional)
4 x 1.0 mm
2
3
Grounding conductor (gn/ye)
Grounding
1 x 4.0 mm
2
4
PTFE hose (white)
Zero gas
DN 4/6
5
PA hose (black)
Control air main valve
DN 6/8
6
PA hose (blue)
Purging air
DN 6/8
Important information
NOTICE
All connections must match the connections in the measuring device.
Prerequisites
•
The weather hood of the gas sampling unit is dismantled.
•
The hose bundle line is stripped 40 cm.
Procedure
Connecting the gas connections:
1.
Guide the hose bundle line into the housing through the screw connection pro‐
vided for this purpose.
2.
Connect the hose bundle line.
°
Hose, black: Main valve
°
Hose, blue: Purging
°
Hose, white: Zero gas/test gas
3.
Tighten the screw connection of the strain relief.
Connecting the hose bundle line to the gas sampling unit (230 V)
1.
Strip 17 cm of insulation from the Pt100 and power supply lines.
2.
Lay the Pt100 and power supply lines through the clamps to the cable duct.
3.
Open cover.
5
MOUNTING
32
O P E R A T I N G I N S T R U C T I O N S | MARSIC280
8021339/1CHC/V1-1/2021-07 | SICK
Subject to change without notice
