COFFEtek NEVA 4, Technical Manual

Page: 31 / 40

COFFE tek LTD
31 22/02/08 Issue 1 NEVA 4
DESCALING THE TANK
WARNING
ENSURE THAT THE TANK IS FLUSHED WITH COLD WATER BEFORE ATTEMPTING TO
HANDLE IT.
14.
If the tank requires descaling, proceed as follows:
(1) Isolate the machine from the electrical supply.
(2) Flush the tank with cold water.
(3) Remove the tank, taking note of the connections, which have been removed.
(4) Remove the solenoid operated valves and the thermostat probe from the tank.
(5) Check the heater element for signs of deterioration. Replace if necessary.
(6) Descale the tank in the approved manner.
(7) After descaling, flush the tank thoroughly with cold water, refit the solenoid
operated valves and thermostat probe, and install and reconnect the tank to the
machine.
(8) Restore the electrical supply to the machine and carry out a test of the quality of each
beverage before returning the machine to operational use.