63
english
ENGLISH
9. Starting the machine
8. Preparation of the machine
The preparation of the machine and the installation operations must be carried out by qualified personnel only.
The installer must strictly follow the indications provided in chap.."Warnings for the Installer".
Use of the machine without all the installation operations having been carried out by technical person-
nel could damage it seriously.
i
•
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
•
it is not advisable to place cloths or other objects on the surface of the cup heater. This would ob-
struct normal air flow
i
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 (7).
If there is no water (first installation or after boiler mainte-
nance), it is necessary to fill the boiler in advance, so as to prevent
overheating of the heating element. Proceed as follows :
•
open the water tap of the water mains and of the softener;
•
using manual fill
(A)
fill the boiler with water until the opti-
mal level is restored;
•
turn the switch to position “
1
” and wait for the machine to
warm up completely.
1
0
7
A
