Operation
Disposal of old equipment
33
Subject to technical changes.
Stepper motor-driven diaphragm dosing pump NXP-M and NXP-P
Operating instructions
11.3.2.2 Stopping the dosing pump
è
Open the switching contact on the Release input.
ü
Dosing pump has stopped.
11.4 Decommissioning the dosing pump
Perform the following working steps:
1.
Stop the dosing pump in accordance with the selected operating
mode.
2.
Unplug the dosing pump's mains plug from the power supply.
3.
Disconnect all electrical connections.
4.
Depressurize all the hydraulic parts in the system.
5.
Unplug all the hydraulic connections on the dosing pump.
6.
Empty the dosing head.
7.
Remove any residual dosing medium from the dosing head by
flushing the system with a washing agent. Ensure that the washing
agent is compatible with the dosing medium.
ü
Dosing pump is decommissioned.
11.5 Shutting down in an emergency
n
In an emergency, you must immediately disconnect the dosing pump
from the mains supply or activate the Emergency Stop switch installed
in the system.
n
Depending on the type of incident, you must depressurized the
hydraulic connections or locked to prevent dosing medium from
escaping.
n
You must follow the safety data sheet of the dosing medium.
11.6 Storage
Storing the dosing pump correctly extends its service life. You should
avoid negative influences such as extreme temperatures, high humidity,
dust, chemicals, etc.
Ensure ideal storage conditions where possible:
n
The storage place must be cold, dry, dust-free and generously
ventilated.
n
Temperatures b 35,6 °F and + 104 °F (for PP and PVDF
dosing heads, b 35,6 °F and + 140 °F).
n
Relative air humidity must not exceed 90 %.
11.7 Transportation
Perform the following working steps:
n
The unit should be thoroughly cleaned. Any dangerous dosing media
must be additionally neutralised and decontaminated.
n
All accessories should be dismantled.
n
All openings should be closed, so that no foreign objects can get into
the system.
n
The dosing pump must be suitably packed, preferably in the original
packing, for transportation.
11.8 Disposal of old equipment
n
The waste unit must be thoroughly cleaned. Any dangerous dosing
media must be additionally neutralised and decontaminated.
n
Any residual dosing media must be removed in a professional manner.
n
The dosing pump must be disposed of in accordance with applicable
local laws and regulations. The device does not belong to household
waste!
n
As the disposal regulations may differ from country to country, please
consult your supplier if necessary.