Expobar CARAT 2GR - Offset Temperature Set; PID Parameters; Water Softener Filter: Regeneration

CARAT
33
Offset temperature set
PID parameters
Water softener filter: Regeneration
In this setting it is set the temperature offset to be considered between the
group boiler and the group head. If the Grupos Calefactados (multicaldera)
was set to “OFF”, this menu will not appear.
This parameter is factory set to 10ºC, and it is recommended not to modify
it.
To increase temperature drop, press the button (one short
espresso), to decrease it, press the button
(one long espresso).
To accept the setting and proceed to the next menu, press the continuous
button
.
In this menu the PID internal parameters are set. This parameters are factory
set and they must not be modified, as doing so will cause the machine to
malfunction. By default they are: kP=4, kI=0,07, kD=2,2.
To adjust each parameter, press the button (one short
espresso) and
(one long espresso).
Once adjusted each parameter, press the continuous button to
proceed to the next parameter. When having adjusted the last one, when
pressing the continuous button, the next menu will appear..
Here it is adjusted the liters of water after which the electronics will warn
about the need of regenerating the water softener.
To increase this number, press the button (one short espresso),
to decrease it, press the button
(one long espresso).
In Contador Litros chapter it is shown the volume of water already used
by the machine since last reset.
To accept the setting and proceed to the next menu, press the continuous
button
.
OFFST Tset Coffee
XXºC YYYºF
KP KI KD
4 0,07 2,2
Water lter
NNN
1 short espresso ↑ +
1 long espresso ↓ -
2 short espresso OK
Continuous to conrm
1 short espresso ↑ +
1 long espresso ↓ -
2 short espresso OK
Continuous to conrm
1 short espresso ↑ +
1 long espresso ↓ -
2 short espresso OK
Continuous to conrm
Fig. A
Fig. B
Fig. C
PROGRAMMING
Model of
water softener
Quantity of water treated depending on water hardness
(water hardnes units: french degrees)
Salt
20º 30º 40º 60º 80º KG
L 8
1200 1000 900 700 500 1
L 12
1900 1500 1350 1050 750 1.5
Approximated litres of water treated until regeneration of the water softener is needed.