Section V; Control Activities Prior To Contacting A Service Provider - Viessmann AQUAHOME 20-N Installation And Operation Manual

Water softener parameters
Maximum water flow rate (m
Water operating pressure range (bar)
Water temperature range (°C)
Maximum water hardness (°dH)
Resin quantity (l)
Average ion exchange capacity (m
Maximum water output between regenerations at water
hardness of 18°dH (l)
Estimated salt consumption per regeneration (kg)
Estimated water consumption per regeneration (l)
Connection point diameter (inch)
Regenerative salt
Recommended salt types
Salt tank volume (kg)

Section V

1. Control activities prior to contacting a service provider

 Important notice!
Always keep this manual in vicinity of
the water softener.
Maintenance inspection should
always be carried out in accordance
with the following points:
1. Check whether the display screen
 in case the display screen shows
 if the hour on display screen is
3
/h)
3
x °f)
shows current time
no information, check the power
connection
flashing or incorrect time such
information indicates power
supply interruption for longer than
24 hours. The device will soften
water but regeneration process
may take place at times other than
assumed.
Dimensions
A Total height
B Height of water connection points
- Depth
Width
- Inlet / outlet spacing
AQUAHOME 20-N
2.0
1.4 - 8.0
4 - 49
76.8
20
135
4 200
3.2
100 – 120
1
regenerative salt in tablets
PN 973
50
2. Check whether the by = pass valve
is set in "Service" position.
3. Check whether the water inlet
hose and outlet hose are properly
connected to the inlet and outlet
hole respectively.
4. Check whether the transformer is
properly connected to an earthed
slot and whether the connection
cable is properly fitted.
5. Check whether the washings
discharge hose is twisted or bent
or whether it is arranged at the
height below 2.40 metres over
ground along its entire length.
6. Checked whether the brine tank is
filled with salt.
7. Check whether the brine suction
hose is properly connected.
29
AQUAHOME 20-N/30-N
108.6 cm
94 cm
52.4 cm
43.8 cm
8.6 cm
AQUAHOME 30-N
2.8
1.4 - 8.0
4 - 49
76.8
26
195
6 100
3.9
130 – 155
1
regenerative salt in tablets
PN 973
50