Endress+Hauser analytikjena PlasmaQuant 9100 - Page 77

PlasmaQuant 9100 (Elite) Maintenance and care
77
ð Required tools: 10L distilled/deionized water, cooling water additive set for recircu-
lating chiller, suitable glass, plastic or stainless steel container for mixing the cooling
water, bucket to collect the drained coolant
} Dissolve the contents of both bottles of the cooling water additive set (biocide and
corrosion protection) on 10L of water.
} Start the wizard to replace the cooling water in the ASpect PQ control software. To
do this, select the
Extras
|
Maintenance
menu item and click on the
[Change]
button.
} Follow the instructions in the wizard:
– Switch off the recirculating chiller.
– On the recirculating chiller, disconnect the cooling water return flow connection
and hold the hose in the collection vessel (bucket).
– Switch the recirculating chiller back on and allow it to run until the flow of cooling
water ends and only mist comes out.
– Reconnect the hose to the cooling water return flow connection on the recirculat-
ing chiller.
– Unscrew the sealing cap from the filling opening on the tank and insert the fun-
nel.
– Pour the coolant into the tank until the MAX level mark is reached.
– Switch on the recirculating chiller and observe the level indicator. The level drops
when the pump is operating.
– Slowly continue to fill the tank with the coolant until the level stabilizes slightly
below the MAX mark.
– Remove the funnel and seal the filling opening with the screw cap.
– Confirm the closing step in the wizard.
} Wait for the message in the wizard indicating that the coolant has been replaced.
} Exit the wizard.