Feeding Protective Gas; Switching The Pressurized Enclosure On; Installing The Measuring Probe In The Gas Duct - SICK GM32 Ex Operating Instructions Manual

7
COMMISSIONING
7.7.1

Feeding protective gas

7.7.2

Switching the pressurized enclosure on

7.8

Installing the measuring probe in the gas duct

46 O P E R A T I N G I N S T R U C T I O N S | GM32 Ex
Figure 24: Connection for protective gas on GM32 Ex
Protective gas inlet:
1
• G3/8" thread or
• Hose connection for 8 mm diameter
NOTICE
The pressurized enclosure requires a permanent supply of a protective gas.
Feed the protective gas via the protective gas connection.
►
More information concerning protective gas:
– Requirements for protective gas,
– Protective gas outlet:
Ex category 3G
1 Switch the main power supply of the pressurized enclosure system on (at an
external source).
2 The pressurized enclosure system will start pre-purging the enclosure with protec‐
tive gas. The Ex control unit will signal the end of the pre-purge phase.
3 Switch the main power supply of the GM32 Ex on (at an external source).
DANGER
Risk of injury when the device drops down
The weight and size make it hard to handle the SR-unit with installed measuring probe.
This increases the risk that the measuring device is damaged when dropped.
Install the SR-unit and the measuring probe singly.
►
Carry out assembly work on parts of the device together with another person when
►
necessary.
1
page 90.
see "Fitting the FS850S", page 28.
8015558/1O6S/V1-9/2024-08 | SICK
Subject to change without notice