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The dispenser is equipped with a door interlock safety switch,
which prevents the operator from being exposed to the moving
parts of the espresso brewer if the door is open.
The switch may be overridden by a qualified service technician
by inserting the service key, (BUNN PN 51953.0001) into the
opening of the mixing chamber panel, then turn about 15
degrees to position, as shown in Figure 2.
The machine can be setup to dispose of the used coffee
grounds through an opening in the counter, into a waste bin,
for higher waste capacity.
Countertop and Machine Modifications for
Through Counter Waste Option
1. Use template (Bunn #54427.0000) to locate the cutout
hole in the countertop.
2. Open the front door on Crescendo, and remove the
grounds bin.
3. Remove the two screws that secure the grounds bin
support panel, then remove the panel.
4. Remove screw holding the chassis bottom cover, then
remove the cover.
5. Used coffee puck will now fall through the opening in
the chassis.
6. Position the Crescendo so that the opening in the bottom
of the machine coincides with the hole in
the countertop.
7. To direct the brewing waste water through the counter,
disconnect the drain tube from the fitting on the bottom
of the espresso drive.
8. Connect a 5MM ID tube to the drain fitting, and
direct the tube through the opening in the bottom of
the chassis.
DOOR SAFETY INTERLOCK
THROUGH COUNTER OPTION
16
Service Key
Remove grounds bin support panel
Remove the chassis bottom cover
Connect a 5MM ID tube to the drain fitting
Figure 2
continued >
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