CookMax 742017, Manual

Page: 60 / 166

espresso coffee machine - instructions for the user
english
65
2. PREPARATION OF THE MACHINE
The preparation of the coffee machine and its installation must be performed by qualified staff.
3. STARTING THE MACHINE
3.1 ELECTRICAL HEATING
Before starting the machine, make sure that the level of water in the boiler is higher than
the minimum level on the level-check window
(1) . If there is no water (first installation
or after boiler maintenance), it is necessary to fill the boiler in advance, so as to prevent
overheating of the heating element. Proceed as follows:
Switch
Open the water tap of the water mains and of the softener.
Using manual fill
(2) fill the boiler with water until the optimal level is restored.
Turn the switch to position “ 1 ” and wait for the machine to warm up completely.
Commutator
Open the water tap of the water mains and of the softener.
Turn the switch to position “
1 ” (electrical power supplied to the pump for automatic boiler
filling and machine services) and wait for the boiler to be automatically filled with water.
Turn the switch to position “
2 ” (full electrical power supplied, including the heating element
in the boiler) and wait for the machine to warm up completely.
WARNING
• during the machine’s warm-up phase (roughly 20 minutes), the negative pressure valve will release steam for a few seconds until the
valve itself closes
• before using the machine, run deliveries dry with the filter holder attached for a few seconds to release any air which may be in the
circuit, so that the delivery groups are completely heated
• before using the machine, dispense a few servings of coffee to test the grinding and to check the operating pressure of the machine
1
2
Switch
Commutator
WARNING
Use of the machine without all the installation operations having been carried out by technical personnel could damage it se-
riously.
1 2
0
1
0