
Maintenance
Liquiline Control CDC90
96
Hauser
12
Maintenance
L
WARNING
Process pressure and temperature, contamination, electrical voltage
Risk of serious or fatal injury
‣
If the sensor has to be removed during maintenance work, avoid hazards posed by
pressure, temperature and contamination.
‣
Make sure the device is de-energized before you open it.
‣
Power can be supplied to switching contacts from separate circuits. De-energize these
circuits before working on the terminals.
L
CAUTION
Automatic mode during calibration or maintenance work
Risk of injury from the movement of the assembly, chemicals or contaminated media
‣
Before hoses are removed, make sure that no operation is currently running or about to
start.
‣
Set the device to the manual mode.
‣
Wear protective clothing, goggles and gloves or take other suitable measures to protect
yourself.
L
CAUTION
Failure to observe the maintenance intervals
Risk of personal injury and damage to property
‣
Keep to the recommended maintenance intervals
NOTICE
Electrostatic discharge (ESD)
Risk of damaging the electronic components
‣
Take personal protective measures to avoid ESD, such as discharging beforehand at PE
or permanent grounding with a wrist strap.
‣
Measure/notice: For your own safety, only use genuine spare parts. With genuine
parts, the function, accuracy and reliability are also ensured after maintenance work.
12.1 Cleaning
Clean surfaces using only a damp cloth. Observe the relevant warning information on
the devices.
‣
Clean the front of the housing using commercially available cleaning agents only.
The front of the housing is resistant to the following in accordance with DIN 42 115:
• Ethanol (for a short time)
• Diluted acids (max. 2% HCl)
• Diluted bases (max. 3% NaOH)
• Soap-based household cleaning agents
NOTICE
Cleaning agents not permitted
Damage to the housing surface or housing seal
‣
Never use concentrated mineral acids or alkaline solutions for cleaning.
‣
Never use organic cleaners such as acetone, benzyl alcohol, methanol, methylene
chloride, xylene or concentrated glycerol cleaner.
‣
Never use high-pressure steam for cleaning.
Содержание Liquiline Control CDC90
Страница 2: ......
Страница 117: ...Liquiline Control CDC90 Index Endress Hauser 117 Warnings 5 Water pipe 27 Web browser 59 Web server 54 111 Weight 113 ...
Страница 118: ...www addresses endress com ...