Special Features - Viessmann VS 34 Owner's Manual

Programming the Water Softener

SPECIAL FEATURES

Use these features to change the following operations:
Efficiency mode
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Maximum days between recharges
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97% feature
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To display one these screens:
1. From any of the rolling status screens, press the OK /
MENU button to display the Main menu.
2. Press the DOWN q button to scroll through the
menu options until Advanced settings is highlighted
(See Figure 71).
Main menu
User preferences
System information
Advanced settings
3. Press the OK / MENU button to display the Advanced
settings menu (See Figure 72).
Advanced settings
Cycle times
Special features
Troubleshooting
4. Press the DOWN q button to scroll through the
menu options until Special features is highlighted.
5. Press the OK / MENU button to display the Special
features menu (See Figure 73).
Special features
Efficiency mode
Max. days between rech...
97% feature
6. Press the DOWN q button to scroll through the
menu options until the desired option is highlighted
(See list at the top of this column).
7. Press the OK / MENU button to display the desired
information screen (See Figures 74-76).
8. See the right column on this page for specific
instructions on each cycle time screen.
9. Press the OK / MENU button. The display will go
back to the Special features menu (Figure 73).
10. Press the LEFT t button three times to return to
the rolling status screens.
8a. Efficiency mode: If the desired efficiency
FIG. 71
8b. Maximum days between recharges: Press
FIG. 72
FIG. 73
8c. 97% feature: If the desired option already has
20
mode already has a black dot next to it (See
Figure 74), go to Step 9. Otherwise, press the
DOWN q or UP buttons to scroll to the
desired efficiency mode, then press OK /
MENU to choose it.
Salt efficient limits available salt doses to
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maintain 4 mol/kg of salt efficiency. Units may
recharge more frequently.
Auto adjusting is the default. It automati-
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cally adjusts salt doses to target a 3-4 day
interval between recharges. Recommended.
High capacity is for applications where very
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low "bleed" (less than 1.5 ppm) of hardness
can be tolerated. Such applications include
water for boilers. This setting will consume
higher quantities of salt.
Efficiency mode
Salt efficient
Auto adjusting
High capacity
the UP or DOWN q buttons to change the
number of days (See Figure 75). The feature
can be set from 1 to 15 days. Setting the
number of days below 1 turns the feature off
and defaults to automatic control of recharg-
ing. Default is Auto.
Max. days between
recharges
Auto
a black dot next to it (See Figure 76), go to
Step 9. Otherwise, press the DOWN q or UP
buttons to scroll to the other option, then
press OK / MENU to choose it. If this feature is
On, the softener will automatically recharge
when 97% of capacity is used, at any time of
day. Default is Off.
97% feature
Off
On
FIG. 74
FIG. 75
FIG. 76