Crane Merchandising Systems COTI, Technical Manual

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Technical Manual 112
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10.3.3 Removing the module for maintenance
N.B. It is not necessary to remove the module to drain the system down.
To remove the module for maintenance proceed as follows:
1. Close the fresh beans outlet slide and remove the fresh
beans container along with the fresh ground coffee
canister. Loosen the screws securing the RH boiler cover
and remove. Unclip the two loom connectors to the
Espresso module.
2. Remove the brewer waste bucket from the machine.
Turn off the water supply to the module using the cut
off (1) located in water pipe situated under the module.
Un
- screw and remove the water inlet hose (2) to the
module.
3. Loosen the two lower Espresso module retaining screws
and carefully lift the module up and out of the machine.
4. Turn off the power to the machine
10.3.4 Refitting the module and refilling the system
To refit the module and refill the system, proceed as follows:
1. Carefully re - install the module into the machine. Tighten the 2 lower module fixing
screws, refit the top LH retaining screw, plug the two loom connectors into the
module connectors and re - fit the water inlet hose.
2. Refit the RH boiler cover, fresh ground coffee canister and fresh beans container.
Ensure fresh beans outlet slide is opened.
10.3.4.1 Long fill cycle
1. Turn the power on to the machine, it will initialise, performing a long fill cycle.
During this cycle 550ml of cold water is pumped through the system and collected
in the waste bucket.
2. At the end of the long fill cycle the brewer initialises and the water in the boiler is
heated.
10.3.4.2 Pre - Heat Routine
1. During the pre heat routine a small amount of hot water is pumped through the
brewer system. The pre heat routine is performed prior to the first CoEx drink
vended after powering the machine on or prior to the next Co - Ex drink vended
after a 7 minute period of brewer inactivity.
2. The pre heat routine is only available on single pump units.
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