Descaling Request; Water Fi Lter - Philips Saeco Gaggia Unica RI 9933 Service Manual

GAGGIA UNICA

4.10. Descaling request

Flow meter pulses
Filter
on
Filter
off
4.11. Water fi lter
Saeco International Group
Number of pulses
360°
1 rev
Water fi lter
Function:
• Reduced limescale deposits which take longer to
• Improved water quality.
• Improved taste due to the ideal water hardness
Life span / descaling performance:
• - 10 ° dH
• 60 litres
• 2 months
To achieve the best possible operating mode consistency
over the total life span, the water is channelled using a
Bypass
three-stage bypass (A, B, C) depending on the degree of
hardness.
See small image.
"Descaling" – message with water fi lter
inserted
(appliances with display only)
The water hardness is set on the basis of the
regional water hardness analysis
(1, 2, 3, 4).
Filter off:
If the function is turned off the electronics
assembly monitors the turbine pulses, recording
one pulse each turn.
Filter on:
If the function is turned on the electronics
assembly monitors the turbine pulses, recording
one pulse every two turns.
"Change water fi lter" message
The electronics assembly uses the turbine impulses
to keep track of the amount of water which has
fl owed through; after the specifi ed amount (set
in accordance with the water hardness level), the
"Replace fi lter" message appears.
form.
Rev. 01
04 OPERATING LOGIC
Page 07 / 07