Operational Recommendations; Operation Logbook; Troubleshooting Table - Viessmann AQUAHOME 11-N Installation And Operation Manual

2. Operational recommendations

Make sure to protect the device
during operation against:
 excessive dusting of the water
 too low and too high ambient

3. Operation logbook

An operation log book should be maintained during the operation of the water softener, in accordance
with a sample log book provided below:
No. Date Time
1 2 3

4. Troubleshooting table

Problem
Water softener
supplies water that
is too hard or
entirely unsoftened
Water softener
supplies water; salt
level remains
unchanged
Water is
periodically hard
softener installation site,
temperature in the vicinity of the
device - the temperature must
o
not drop below 4 C and must not
o
exceed 40 C,
Inflow water hardness [
4
Cause
No salt in the tank
Power outage
Occluded outflow of sewage from
the valve
Salt bridge has been formed in the
brine tank
The by-pass valve is in the by-pass
position
Incorrectly set time
Too low raw water hardness value
has been programmed
Incorrect code for the given model
of water softener
Soft water is fed during the
regeneration process
Uncontrolled water leakage.
Excessive water consumption
 incidental possibility of a sudden
heat source occurrence,
 incidental possibility of hot water
backflow (with temperature
exceeding 49
such situation may not be entirely
avoided, install a check valve.
o
dH] Remarks
5
Method of removal
Refill the salt
Activate manual regeneration
Restore power supply Check the
displayed time Activate manual
regeneration
Restore patency of the washings
discharge hose
Remove the salt bridge
Set the by-pass valve in the service
position
Set the correct time
Determine the water hardness and
program the correct value
Contact the supplier's service team
Such situation must be avoided. Check
the control panel settings
Check all water intake points Remove
all water leakage
o
C) - in case when
19