Decommissioning The Device - Siemens SIPROCESS GA700 Operating Instructions Manual

Decommissioning, dismantling and disposal

12.2 Decommissioning the device

Danger from gas lines under pressure
Danger of injury during maintenance work
Hot, toxic or corrosive sample gases can be released when the gas lines are opened.
Prevent gases from exiting prior to opening or removing the device.
• Do not loosen process connections and do not remove any pressurized parts while the
• Depressurize the device. Shut off the gas inlets and gas outlets. Disconnect the gas
• Before opening or removing the device, ensure that process media cannot be released.
Hot surfaces resulting from hot sample gases and heated devices
Danger of burns resulting from surface temperatures above 70 °C (155 °F)
After being switched off, the device and its parts are still very hot. Touching can result in
skin burns.
• Begin the maintenance / shutting down once the device has cooled off.
• Take appropriate protective measures, for example contact protection.
12.2 Decommissioning the device
Procedure
1. Ensure that gas is no longer flowing through the device. Shut off all gas lines to the
device.
Ensure that no hazardous gases escape when removing the gas lines to the device.
2. If external pumps are present, switch all of them off.
3. Purge the sample gas path with air.
4. Isolate the device from power. Disconnect the connection to the power supply.
5. Unscrew all the gas connections.
6. Remove the analyzer module, as described in the section "Removal of analyzer modules
(Page 67)".
7. Remove the option modules, see section "Installing option modules (Page 68)", reverse
order
8. Ensure that the device cannot be started up again unintentionally.
138
WARNING
device is under pressure.
lines from the device.
CAUTION
Operating Instructions, 05/2018, A5E31930403-06
Wall-mounted device