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NEW ROYAL
04 OPERATING LOGIC
4.4.
Relief valve
Drain to drip tray
Needle
Drain
Functions:
Safety valve: functions as a safety valve by opening towards the drain in the event that the pressure rises above
16-19 bar
Filling the circuit: The solenoid valve opens (drain position) and the pump is activated, automatically refi lling the
circuit by expelling the air in the pipe
Unit discharge: before the unit descends it opens briefl y, discharging the pressure created to prevent spraying and
making the dregs drier
Co ee beverage: when a coffee beverage is selected, the pump is charged briefl y during the grinding process and
the valve assumes the drain position in order to fi ll the pipes with hot water.
For Saeco parts, repairs & tech support, contact:
Services Unlimited, Inc./ Parts Guru
209 Walnut street, Lansdale, PA 19446
215-361-7000 - email: sales@partsguru.com
Online store: www.shop.partsguru.com
Saeco International Group
Rev. 01
Page
03
/ 07
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