Unic AURA 2GR, Техническая заметка

Страница: 10 / 37

10
♦
Softener
Two water softener suppliers are available at UNIC SA.
BRITA ®
BESTMAX ™
Test the water hardness of the network and refer to the technical documentation of the water softener used
for optimum adjustment.
Note: A softener must be changed every 1 year, even if it does not reach the end of its filtering capacity.
♦
Sensibility of keyboard
WARNING, intervene on this setting only in case of specific need
It’s possible to change the touch behavior during extreme use (presence of moisture and / or dirt on the
keyboard).
Go into the menu
dtY
, there are 3 levels of setting, 0 (default) the most responsive, 2 the least responsive.
♦
Cup seal
- Remove the unit cover.
(Attention if the machine is equipped with LED
lighting, disconnect the cable)
- Remove the cup holder (Allen key No. 6) and the
filter (pipe wrench of 8 mm).
- Unscrew the 2 screws of the tamper and remove
the piston spring assembly (photos no. 1 and no. 2).
- Remove the 2 O-rings and the piston cup seal.
- Clean the assembly.
- Lubricate the seal Ref 27718 (silicone grease) and
position it at the base of the unit (photos no. 3 and
no. 4).
- Prepare the tamper NZ4007, piston NZ4008 and
spring 28828 assembly (without seals), and then
position and screw the assembly (photo no. 6).
- Install the O-ring 27800 (photo no. 7).
- Install the cup seal PC-17 (photo no. 8).
- Refit the ID-103 filter and the diffuser 31910 (pay
attention to the direction of the diffuser) (photo no. 9).
- Attach the cup holder NZ4011.
- Make 2 espressos and check the mobility of the
piston and the sealing (photo no. 10).
- Refit the LED cable and unit cover assembly.
1 2
3 4
5 6
7 8
9 10