Basic Diagnostics Data - Viessmann AQUAHOME 20-N Installation And Operation Manual

to 12-hour clock mode and vice
versa.
Backwash and fast rinse duration
time
Press again (but do not hold) the
SET button until the display screen
shows the duration time of backwash
Bkwash TIME and a number such as
6, that will begin to flash.
This means that the backwash
duration time is set to 6 minutes.
If the "SET" button is pressed
again the display screen will show
Rinse TIME caption and a number,
such as 2 that will begin to flash. This
means that the fast rinse duration
time is set to 2 minutes.
The change of duration time of the
regeneration cycles referred to
above can only be implemented by
the service team of the supplier or
manufacturer.
Press again (but do not hold) the
"SET" button, until the display screen
shows current time (hour).
Salt tank illumination
In order to illuminate the inside of the
salt tank press the illumination switch
of the brine tank (figure 4). At the
same time the display screen will
D. Basic diagnostics data
Indicator of softened water flow
This indicator enables to diagnose
if the treated (softened) water
counter of the device works. It also
show a light bulb symbol. If the
illumination switch is pressed again
the illumination of the inside of the
salt tank will be switched off.
Water flow through the device
If softened water is being uptaken
(used), the flow of water will be
indicted by and indicator that will be
shorter or longer, depending on the
water flow rate. If softened water is
not being used by any household
device, the indicator will not appear.
Time remaining to completion of
regeneration process and
indicators of valve position
When the device is in the course of
regeneration process, the display
screen shows one of the indicators of
the valve position (such as Serv, Fill,
Brine, Bkwsh, Rinse) RECHARGE
caption will flash on the display
screen and starting from Brine the
display screen will show the number
of minutes until completion of the
regeneration process (in other words
the moment when the device
proceeds to the Serv mode). When
the valve changes its position
(proceeds from one cycle to another),
relevant indicators will begin to flash.
enables reading of the flow rate of
flowing treated (softened) water.
Press and hold the SET button until
the display screen shows "000 - - ". If
21
Indication of
the brine
tank
illumination
being
switched
on
Indicator of
valve
position
Time
remaining to
completion
of
regeneration