Handling & Storage
Page 60 of 111
• Open the valves to and from the system.
• Turn Valve 1 and Valve 2 to RUN.
• Set power to ON.
Start the unit while observing pump rotation and function and adjust the operating pressure.
10.3 Impeller Pump
If the pump is stored for longer periods, the impeller can stick to the inside of the pump
housing. Also, the impeller flexibility can decrease during long term standstill. Therefore,
it is recommended that the end cover of the pump is loosened during initial startup in order
to check that the impeller is rotating and also to evacuate air.
10.4 pH Electrode
The electrode must be calibrated after storage if the recommended calibration interval is
overdue. The electrode has a shelf life of approximately 12 months.
10.5 Calibration Kit
A date of expiration is marked on all liquids. The calibration kit has an expiration date of
approximately 1 year from delivery.
Ideal storage of the calibration liquids is 5…25°C for long term storage. Temperatures
below 0°C can damage the calibration liquids. Storage above 25°C can reduce the accuracy
and expected expiry date.
When the calibration liquids are in transit temperatures of up to 35°C are allowed but only
for a period of 7 days.
When using the calibration liquids, the temperature of the liquid must be around 20°C to
obtain the highest accuracy.
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