Menu 2 – Hot water
OVERVIEW
2.1 - More hot water
2.2 - Hot water demand
2.4 - Periodic increase
2.5 - Hot water circulation
MENU 2.1 - MORE HOT WATER
Setting range: 3, 6 and 12 hours, and modes "Off" and
"One-time incr."
When there is a temporary increase in hot water demand,
this menu can be used to select an increase in the hot water
temperature for a selectable time.
Caution
If demand mode "Large" is selected in menu 2.2,
no further increase can be made.
The function is activated directly when a time period is se-
lected. The remaining time for the selected setting is shown
to the right.
When the time has run out, VVM S320 returns to the set
demand mode.
Select "Off" to switch off "More hot water".
MENU 2.2 - HOT WATER DEMAND
Options: Smart control, Small, Medium, Large
The difference between the selectable modes is the temper-
ature of the hot tap water. Higher temperature means that
the hot water lasts longer.
Smart control: With Smart control activated, VVM S320
continuously learns the previous hot water consumption
and thereby adapts the temperature in the water heater for
the minimum energy consumption.
Small: This mode produces less hot water at a lower temper-
ature than the other alternatives. This mode can be used in
smaller households with a small hot water demand.
Medium: Normal mode produces a larger amount of hot water
and is suitable for most households.
Large: This mode produces the most hot water at a higher
temperature than the other alternatives. In this mode, the
immersion heater may be used to partially heat the hot wa-
ter. In this mode, hot water production is prioritised ahead
of heating.
MENU 2.4 - PERIODIC INCREASE
Period
Setting range: 1 - 90 days
Start time
Setting range: 00:00 - 23:59
Next increase
The date when the next periodic increase will occur is
shown here.
To prevent bacterial growth in the water heater, the heat
pump and the immersion heater can increase the hot water
temperature once at regular intervals.
Here, you can select the length of time between increases
in the hot water temperature. The time can be set between
1 and 90 days. Tick/untick "Activated" to start/switch off
the function.
MENU 2.5 - HOT WATER CIRCULATION
Operating time
Setting range: 1 – 60 min
Downtime
Setting range: 0 – 60 min
Period
Active days
Setting range: Monday – Sunday
Start time
Setting range: 00:00 – 23:59
Stop time
Setting range: 00:00 – 23:59
Set hot water circulation for up to five periods per day here.
During the set periods, the hot water circulation pump will
run according to the settings above.
"Operating time" decide how long the hot water circulation
pump must run per operating instance.
"Downtime" decide how long the hot water circulation pump
must be stationary between operating instances.
"Period" Here, you set the period of time during which the
hot water circulation pump will run, by selecting Active days,
Start time and Stop time.
NIBE VVM S320Chapter 9 | Control – Menus42
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