8 Recirculation control
8 Recirculation control
(optional additional function)
A recirculation line means that domestic hot water
can be quickly available at the extraction points (also
called tapping points, e.g. basin, shower, bath, etc.),
even with long supply pipes.
Recirculation control is possible with a fresh water
module or for a DHW tank.
Recirculation
screen
Abb. 2-35
1 Recirculation temperature
(only visible if a recir-
culation sensor is connected).
2 Start recirculation pump
(serves for immediate start
of the recirculation pump).
3 Circulation settings
8.1 Circulation settings
Abb. 2-36
Release mode
1
Always off
: The recirculation control is switched off
permanently.
Always on
: The recirculation control is switched on
permanently. The recirculation pump is only triggered
in consideration of the parameters
Switch-on duration
and
Hold-on time
.
Time switches (
Monday-Sunday, by block,
etc.): In
this respect, time releases can be set for recirculation
control.
Switch-on duration / Hold-on time
2
Depending on the recirculation control selected, the
pump is cycled in consideration of these two para-
meters, i.e. alternation between
Switch-on duration
and
Hold-on time
.
Required recirculation temperature
4
Is the required temperature in the recirculation line
(only displayed when a recirculation sensor is connec-
ted).
8.2 Recirculation control - Options
i
In order to be able to make use of the fol-
lowing controls, time switch (
Monday-Sunday,
in blocks,
etc.) must be selected for the para-
meter
release type
.
Time-controlled recirculation
In the event of time-controlled recirculation, the recir-
culation pumps are triggered on a cycled basis if a
time release (see parameter
release type
) is present.
Pulsing (i.e. switching between control/no control) is
conducted in accordance with the
Switch-on duration
and
Hold-on time
parameters.
Example:
- Release type =
Monday-Sunday,
- The recirculation control currently has, for example,
a time release of 06:00 to 08:00
- Switch-on duration = 30 seconds
- Hold-on time = 4 minutes
The recirculation pump runs for 30 seconds. After
this, the pump pauses for 4 minutes in order to then
run for 30 seconds again. This repeats in the time
release from 06:00 to 08:00. Outside the time
release, the pump is not triggered.
Operation manual
vampair
25
