Adjustments To Be Made By Aqualified Technician Only; Filling Boiler Manually; Pump Adjustment - Nuova Simonelli APPIA II Manuel D'instructions

5.
ADJUSTMENTS TO BE MADE BY A QUALIFIED TECHNICIAN ONLY
CAUTION
The adjustments listed here below must
ONLY be performed by a Specialist Technical
Engineer.
Nuova Simonelli cannot be held liable for
any damage to persons or property arising
from failure to observe the safety instruc-
tions supplied in this manual.
CAUTION
ELECTRIC SHOCK HAZARD
Before performing any operation, the spe-
cialist technical engineer must first switch
off the main switch off and unplug the
machine.
5.1
FILLING BOILER
MANUALLY
All models are equipped with a level
gauge to keep the water level inside the boiler
constant.
When using the machine for the first time, it is
advisable to fill the boiler by hand to avoid
damaging the electrical resistor and turning on
the electronic protection.
If this should happen, just turn the machine off
and then start it up again to complete its load-
ing procedure (see chapter "MACHINE
FUNCTIONS MESSAGE – LEVEL ERROR").
To fill the boiler manually for the first time, pro-
ceed as follows:
34
Open the manual level tap "A" to allow
water to enter the boiler.
as indicated by the optical level, turn tap "A"
off;
A
MAX MAX
MIN MIN
eral switch on "I"; this will activate the level
gauge which will automatically maintain the
water level inside the boiler.
5.2
PRESSOSTAT / PUMP
ADJUSTMENT
To adjust the service pressure of the boiler,
thus regulating the water temperature, accord-
ing to the various functions and needs of the
coffee desired, proceed as follows:
unscrewing the two side screws (A) as
shown in the following illustration;
clockwise to INCREASE and counter clock
wise to DECREASE the pressure.
Fig. 13
-
Advisable pressure: 1 - 1,4 bar
(according to the kind of coffee).
clockwise to INCREASE and counter clock
wise to DECREASE the pressure.
Advisable pressure: 9 bar.
Fig. 14
Fig. 15
Fig. 16