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628 & 698 Models
Sanitisation Guide
Reservoir Water Coolers
Please make sure that the machine has both been switched off and disconnected from the electrical supply and
that the water is turned off, use the taps (and drain point if fitted) to drain off all the water, before any cleaning
commences.
The lid of both the machine and the tank should be removed exposing the inside of the water tank. Remove the
baffle plate found in the centre of the tank. Any lime scale or mineral deposits should first be removed by manual
scrubbing with a non-metallic sponge-scouring pad. For stubborn deposits, most domestic brand stainless steel
cleaners can also be used.
If your machine is a Hot & Cold machine please ensure that the inlet to the hot tank is closed off sufficiently to
prevent sanitisation fluid entering the hot system.
If using a service dosing cartridge, please now go straight to no 4. At this stage it is possible to see whether any
water has been left in the base of the tank, 100ml of sanitising fluid can now be tipped into the reservoir. (We
recommend a hydrogen peroxide base sanitising fluid of reputable manufacture using the dilution ratios as
supplied with the product.)
Remove the existing filter and install a filter head to suit the service cartridge if necessary. Empty 100ml of
sanitisation fluid into the service cartridge and connect the cartridge to the filter head.
The water can be turned on again briefly to half fill the reservoir, forming a sanitising solution. The upper half of the
reservoir should be cleaned with sanitisation wipes. Leave for 10 minutes to effect sanitisation, whilst the
sanitisation solution is having its effect, please fully clean the external casing with sanitisation wipes, ensuring
particular attention is paid to the faucets. Once the sanitisation fluid has been left for a satisfactory period of time
please flush the water cooler through at least once with clean water.
When this has been completed, the machine can be reassembled and your sanitisation is complete. Always
remember to replace the filter(s) with the appropriate type(s). (Retain service/dosing cartridges for reuse.) Please
now switch the power back on.
Ozonation is another alternative, but not a recommended method, as we believe the opportunity should always be
taken to inspect the machine internally, remove any scale or mineral build-ups and take interventive action where
appropriate.
ALWAYS PURGE AIR FROM THE COLD AND HOT SYSTEM BEFORE
SWITCHING POWER ON AGAIN.
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