Union Instruments CWD2005 SPC, Original Operating Instructions, Page: 91 / 110

Maintenance
91
11 Maintenance
The quality of measurements by the combustion calorimeter can only be guaran-
teed when the maintenance intervals are adhered to.
11.1 Preparations
Supply lines of linked system components can be closed for maintenance pur-
poses. These must be reopened after the device is put back into service.
DANGER
Risk of serious injury from electricity!
•
Parts of the combustion calorimeter with the adjacent symbol may still carry
voltage even when the main switch is switched off! If required, disconnect
the combustion calorimeter from the supply network!
•
Switch off the main switch, and disconnect the device from the voltage sup-
ply if necessary, and take steps to prevent reconnection!
•
Only skilled electricians are permitted to work on the electrical equipment of
the combustion calorimeter!
WARNING
Risk of serious injury from escaping gases!
•
Before carrying out maintenance work on the combustion calorimeter and
whenever necessary, also bring the the linked system components to a
standstill.
•
Gas connections may only be made by qualified personnel! Guidelines appli-
cable at the installation location must be observed!
•
Incomplete combustion during maintenance operation may cause the ex-
haust air to become polluted with process gas!
•
In the case of toxic gases, the applicable safety provisions must be complied
with.
•
Risk of serious injury from burns caused by burner components!
Before carrying out maintenance work on the burner system, always wait 15
minutes for it to cool down.