OptiBean /OptiBean XL
3.7.2 Removing / replacing valves
WARNING
•
Pressurised hot water! Do not remove components
like valves, couplings, plugs and hoses before
depressurise the boiler system.
Most valves (DV1, DV2, DV4) are accessible by
dismantling the back cover. The brewer valve (DV1) is
accessible by dismantling the right side of the machine.
1. Activate the shut down menu in the service
menu 2.14 Installation / shut down and
following the instructions on the display.
2. For just releasing the pressure in the boiler it is not
necessary to disconnect the supply hose. Press
enter (v)
Shut down
remove
supply hose
press enter (v)
stop? press x
Shut down
remove
drain plug
press enter (v)
stop? press x
3. Stop the process, the boiler is now depressurised.
Dispensing valves DV2, DV4 and DV6 can be
reached by removing the back.
Dispensing valve DV1 can be reached by removing
the right side cover. Remove the brewer so that the
valve mounting screws are visible and unscrew
them. Remove the valve hose from the boiler [1] and
brewer [2].
4. Remove a valve by pressing the outer ring of the
push fit couplings.
5. Replace the valve for a repaired or new one. Check
the flow direction before fitting it in place.
2015/09 Rev. 1.2
Shut down
boiler
depressurising
moment please
43
OPV
DV6
3bar
Mixer Hot
[1]
Boiler
1,1 Ltr.
Brewer
[2]
Rest water per recipe:
•
Coffee
•
Cappuccino
•
Hot water
DV2
DV4
OPV
12bar
water
DV1
2,3 Ltr.
7,6 Ltr.
abt. 16 ml
abt. 21 ml
abt. 5 ml
EN
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