4
Installation and start-up
4.1
Important information
WARNING
Risk of injury by a heavy load
The weatherproof enclosure including the sampling system with flange weighs
approx. 30 kg.
b
Use proper lifting techniques to lift or move the device.
b
Lift the unit by the enclosure. If necessary, remove the cover in order to grip the
device better and reduce the weight.
b
Always work in pairs.
WARNING
Health risk through dangerous sample gas
If dangerous sample gas is applied to the SFU: The operator is responsible for safe han‐
dling of sample gas.
b
In addition to these Operating Instructions, observe all local laws, technical rules,
and company-internal instructions valid at the site where the SFU is installed.
b
Operate the SFU only in rooms with adequate installation OR install suitable gas
monitoring equipment.
b
Channel sample gas off safely.
WARNING
Hazard through sample gas pressure
The stacks can have underpressure or overpressure.
b
Observe information from the plant operator.
WARNING
Risk of burns on hot surfaces
Filter housing, flanges and sample gas line can be hot.
b
Allow the surface of the device parts to cool down to body temperature or wear
suitable protective gloves.
WARNING
Danger to life by electric voltage
b
Only allow an authorized electrician to work on the electric system.
The assembly of the gas sampling unit contains the following work steps:
Step
Work step
Special features
Side
1
Install the welding neck flange
Has to be performed by the
operator beforehand
2
Connect the sample gas line
3
Connect the hoses for valves
4
Connect the electrical connec‐
tions
5
Install the gas sampling tube
4
INSTALLATION AND START-UP
12
O P E R A T I N G I N S T R U C T I O N S | SFU
8023849/14SF/V1-1/2019-07 | SICK
Subject to change without notice