Models SYSTEM CD -LE
Operation to be carried out while there is still some pressure in the machine.
●Drain the water from the boiler (approx. four litres) using the hot water tap 7;
●Wait for the machine to
Models S27 - MIDI DE - SYSETM DE
Operations to be carried out with the machine operative and under pressure.
Prepare a container that can hold at least two litres od water (four litres dor model System) and place it unter the hot water spout.
●Hold down the delivery button 8 for at least four second.When this button is released, the machine will deliver water continuously
●After two litres have been drawn off (four litres for the model System), press the delivery button again to stop dispensing.
●Wait for the machine to
Cleaning the filters and delivery heads
Operation to be carried out when the machine is off and cold.
●Prepare a solution of 4 sachets of detergent powder Code 69000124 dissolved in a litre of boiling water in a stainless steel, plastic or glass container (NOT ALUMINIUM OR IRON).
●Remove the filters and immerse them with the filter holders in the prepared solution, leaving them for at least 20/30 minutes (all night is better).
●Remove them from the container and rinse them thoroughly in running water.
●Remove the cup rack 1 (Fig.13), slide out the drip tray and clean them both.
Fig. 13
●Check and clean the drainage pump 1 (Fig.13), removing any sludge with the help of a spoon.
10.3.Periodical maintenance Models TECNA CD - TECNA DE
Have been fitted with economizers which do not draw water from the boiler to make hot water, the water in the boiler need only to be renewed from time to time.
Fig. 14
10.3.1. Renewal of water in the boiler
Models MIDI - TECNA
To be carried out only by qualified personnel.
●Turn off the machine and wait for the pressure in the boiler to diminish (gauge needl on “0”).
●Using a spanner firmly hold 1 the outlet pipe 2 Fig.14 situated about the drainage sump while loosening the hexagonal sealing screw 3 by 3 turns at the most.
●Drain off the water and tighten the screw 3.
●Refill the boiler (paragraph 7.3.).
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