21
Display
Description
Factory setting
Setting range
Manual balancing:
■
"DHWcirc.spd"
Setting the pump speed
100 %
20 to 100 %
■
"
Δ
TDHWcirc.pipe"
Displays the temperature drop between the
DHW flow sensor and
"DHWcirc.sen"
—
—
■
"DHWcirc.fl.rt"
Value is required for calculating the balance
value
"Drawn total"
in m
3
.
—
—
■
"SaveDHW-
circ.fl.rate"
Saves the current flow rate dV (top right of
the screen) in line
"DHWcirc.fl.rt"
.
—
—
"TDHWcircON"
Only with
"Type""Therm.+Dem."
and
"Thermal"
.
40 °C
20 to 70 °C
"
Δ
T OFF"
Only with
"Type""Therm.+Dem."
and
"Thermal"
.
3 K
2 to 10 K
"DHWcirc.runt."
Only with
"Type""Therm.+Dem."
and
"De-
mand"
.
60 s
0 to 600 s
"DHWcirc.pause"
Only with
"Type""Therm.+Dem."
and
"De-
mand"
.
10 min
0 to 60 min
"
X
Timer"
Shows whether the time program is ena-
bled or not.
X
ON
■
=
OFF
■
X
ON
"Timer
»
"
Opens the menu for setting the time pro-
gram (see page 16)
3 preset switching
times:
■
6:00 to 8:00 h
■
12:00 to 14:00 h
■
18:00 to 20:00 h
"Pasteurisatn"
Pasteurisation (see page 23)
Note
For the pasteurisation function, the
"DHW
circ."
function must be enabled.
Function modes of DHW circulation
Possible types of DHW circulation
Display
Description
Characteristics with time program
Within the time
phase
Outside the time
phase
"Durn"
In continuous mode the secondary pump
remains on continuously.
Note
To prevent excessive scale build-up, al-
ways set switching times during continuous
operation.
Continuous DHW
circulation during
switching times
■
6:00 to 8:00 h
■
12:00 to 14:00 h
■
18:00 to 20:00 h
No DHW circulation
"Therm.+Dem."
Combination of
"Thermal"
and
"Demand"
,
subject to time program
Thermal
Demand
"Thermal"
If
"TDHWcirc"
at the TDHWcirc sensor
falls below the start temperature
"TDHWcircON"
, the secondary pump is
switched on.
Sensor used: Either
"DHWcirc.sen"
S6 or
KS4, depending on the setting
Thermal
No DHW circulation
Commissioning
Setting DHW circulation
(cont.)
5517 095 GB
Commissioning
Содержание VITOTRANS 353
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