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O p e r a t i n g I n s t r u c t i o n s | S I C K
Operating Instructions
PAC50
8017612/ZAB1/2017-02-14 | PAC50
Subject to change without notice
10 Device maintenance and cleaning
Figure 1: Minimum permissible period T with maximum pressure fluctuations Δp
............................................................ Page 51
Figure 2: Hysteresis function in the event of excess pressure ............................................................................................. Page 53
Figure 3: Hysteresis function in the event of underpressure ................................................................................................ Page 54
Figure 4: Window function ....................................................................................................................................................... Page 54
Figure 5: Delay times ............................................................................................................................................................... Page 55
Figure 6: Display areas ............................................................................................................................................................ Page 57
Figure 7: Installation on the mounting rail ............................................................................................................................. Page 59
12 List of figures and tables
10 Device maintenance and cleaning
•
The device is maintenance-free
•
Before cleaning, separate the pressure switch from the pressure supply and the voltage supply in the
normal way
•
Use only a slightly damp cloth for cleaning (water and soap solution)
•
Do not allow electrical connections to come into contact with liquids
•
Do not use any aggressive cleaning agents such as industrial alcohol, benzine, diluting agents, etc.
11 Returns
When returning the device, it is crucial to note the following:
•
All devices delivered to SICK must be free from hazardous substances (acids, lyes, solutions, etc.)
•
The device must be returned in its original packaging or packaging that is suitable for transport purposes
•
A signed and completed non-risk declaration form must be included with the device
•
The non-risk declaration form can be found at www.sick.de
