Viessmann AQUAHOME 20-N Installation And Operation Manual page 14

Salt
level
Brine -
well
Salt
level
Label
(sticker)
increase the displayed water
hardness number to the maximum
water hardness number for given
device. Between water hardness
numbers of 1 and 25, each
pressing of ▲ or ▼ buttons will
respectively increase or reduce
water hardness number by
Setting regeneration hour
 Single press of the SET button (in
Set Water Hardness mode) will
move programming to the SET
RECHARGE TIME mode; the
value flashing on the display
screen should be 02:00 (2 a.m.)
as default value.
 If this setting is confirmed (by
pressing
the "SET"
button),
the water
softener
will
activate the regeneration process
at 2 a.m. Due to water
consumption reduced to minimum
at night, 2:00 a.m. is the optimum
regeneration hour.
 In order to change the
regeneration hour settings, press
the ▲ or ▼ buttons to set new
regeneration process start time. If
a twelve-hour clock is set, please
Salt level control system
Control panel features the system of salt level
control in the brine tank. In order to set the
system of salt level control in the brine tank
proceed as follows:

inspection of the actual salt level.

inside the brine tank features the range
between 0 and 8. Take note of the actual salt
level.
increments of one unit. Between
water hardness numbers of 25
and the maximum water hardness
number, the increments are 5
units. If the button remains
pressed, the number will change
twice within one second.
take note that the "ante meridiem"
("AM") part of the clock indicates
hours between 00
the "post meridiem" ("PM") part of
the clock indicates hour between
12
button will confirm the changes
introduced.

With each pressing of one of
the
increase or decrease with one unit
increments. If the button remains
pressed, the time will change by
two units within one second.
 Pressing the "SET" button will
confirm the changes introduced
and will move the control panel to
the home screen.
Open the brine tank cover for visual
The salt level indicator, on the brinewell
Press the "SET SALT LEVEL" button as
many times as it is necessary for the salt
level indicator to match the actual salt level
noted. In the example provided, the salt level
is 4. LED indicating low level of salt will light
up when the salt level is 2 or below. Prevent
14
00
and 11
00 59
. Pressing the "SET"
and 23
▲ or ▼ buttons the time will
59
and