8. ARRANGEMENT
Sensor Source
Output
Boiler sensor
Mixer sensor
Output
optional
Store sensor
This function can be used for transferring heat from a heat source to a heat sink.
The allocated output is energised when all switch-on conditions are fulfilled:
• the temperature difference between the allocated sensors has exceeded the switch-on tem-
perature difference
• the temperature difference between the allocated sensors has not fallen below the switch-off
temperature difference
Sensor Sink
• the temperature at the heat source sensor has exceeded the minimum temperature
• the temperature at the heat sink sensor is below the maximum temperature
• one of the adjusted time frames is active (if the Timer option is selected)
If the temperature difference exceeds the adjusted set value by 1/10 of the rise value, the pump
speed increases by one step (1 %).
When the Timer option is activated, a timer is indicated in which time frames for the function
can be adjusted.
NOTE:
For information on timer adjustment see page 105.
Solid fuel boiler
Arrangement / Opt. functions / Add new function / Solid fuel boiler
Adjustment
channel
Output
Sen. boiler
Sen. store
DTOn
DTOff
DTSet
TStoremax
TMin boiler
Target temp.
Targ. temp.
Sensor
Mixer
Mixer cl.
Mixer op.
Sensor
DTOpen
DTClosed
Interval
Funct.
Sensor
This function can be used for transferring heat from a solid fuel boiler to a store.
The allocated output is energised when all switch-on conditions are fulfilled:
• the temperature difference between the allocated sensors has exceeded the switch-on tem-
perature difference
• the temperature difference between the allocated sensors has not fallen below the switch-off
temperature difference
• the temperature at the solid fuel boiler sensor has exceeded the minimum temperature
• the temperature at the store sensor is below the maximum temperature
When the set temperature difference is exceeded, pump speed control starts. For every devia-
tion by 1 / 10 of the adjusted rise value, the pump speed will be adjusted by 1 %.
If the Target temp. option is activated, the pump speed control logic will change. The con-
troller will remain at the minimum pump speed until the temperature at the allocated sensor
exceeds the adjusted target temperature.
The Mixer option can be used to keep the boiler return temperature above the adjustable tem-
perature TMin boiler. The mixer will be controlled with the adjustable interval.
Description
Output selection
Solid fuel boiler sensor selection
Store sensor selection
Switch-on temperature difference
Switch-off temperature difference
Set temperature difference
Maximum temperature
Minimum temperature
Target temperature option
Target temperature
Target temperature reference sensor system dependent system dependent
Mixer option
Output selection mixer closed
Output selection mixer open
Mixer sensor allocation
Temperature difference mixer open
Temperature difference mixer closed
Mixer interval
Activation / Deactivation
Switch input selection
Adjustment
Factory setting
range / selection
system dependent system dependent
system dependent system dependent
system dependent system dependent
2.0 ... 30.0 K
6.0 K
1.0 ... 29.0 K
4.0 K
3.0 ... 40.0 K
10.0 K
4 ... 95 °C
60 °C
4 ... 95 °C
60 °C
Yes, No
No
30 ... 85 °C
65 °C
Yes, No
No
system dependent system dependent
system dependent system dependent
system dependent system dependent
0.5 ... 30.0 K
5.0 K
0.0 ... 29.5 K
2.0 K
1 ... 20 s
2 s
Activated, Deacti-
Activated
vated, Switch
-
-
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