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628 & 698 Models
Sanitisation Guide
Direct Chill Water Coolers
Turn off incoming mains water, briefly press dispense button(s) to release internal water pressure from the
machine and remove filter. If possible temporarily shut off inlet to any hot tank as sanitisation of a hot tank in
continuous use is unnecessary.
Add 100 ml of a proprietary sanitisation fluid to a clean and empty service filter cartridge/dosing device and connect
into machine. Always ensure to use a reputable branded sanitisation fluid for effective action.
Please note: We recommend using a 3% Hydrogen Peroxide concentration base sanitising fluid of reputable
manufacture to the appropriate dilution ratios as supplied with the product or typically 1:30 max. (Stronger
concentrations will require larger dilution rates).
Please remember that most sanitisation fluids (including ozone) contain an active caustic/alkaline agent. Always
use responsibly and with care remembering that due to its alkaline nature unnecessary concentrated/prolonged
contact with any materials, including metals, can cause damage. Always rinse all contact surfaces after use with
clean water.
Turn on incoming water, allow service cartridge/doser to fill and then draw off at least 1 litre of water for the
machine to ingest the solution. Leave solution for 10 minutes inside machine for sanitisation to take effect. During
this time thoroughly clean the machine externally. For this we recommend the use of proprietary disposable
sanitisation wipes. Pay particular attention to the dispense faucet and the push button controls. Remember to
include the drip tray. If a Waste Overflow System is fitted, this may benefit from flushing through with a small
amount of dilute sanitisation fluid. Optionally you may replace the dispense faucet and/or descale it.
After a satisfactory period of time, flush the machine with at least 10 litres of clean water to clear any trace of the
sanitisation fluid. Optionally use test strips to check.
Turn off water and remove the service filter/doser and fit a new filter of reputable quality and suited to the site
conditions. We recommend pre-flushing the new filter to reduce any risk of any loose media in the filter entering
the solenoid valves and possibly causing a malfunction. Retain the service cartridge/doser for reuse.
Turn on incoming water supply and carefully ensure the thorough sanitising of the outside of the machine is
completed. Reconnect power and reset any service/filter life monitors accordingly. Ensure any hot tank inlet is
reconnected and the tank is purged of air before switching heater on again.
ALWAYS ENSURE ANY RESIDUAL AIR HAS BEEN PURGED FROM BOTH
COLD AND HOT SYSTEMS AND ALL IS OPERATIONAL BEFORE LEAVING.
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