136
9-05 Accumulator
Boiler set temp. for
heating
accumulator
( 80) 80°
• Preset boiler temperature to heat the accumulator
After reaching the set minimum accumulator tempera-
ture (Accumulator 9-03), the boiler target tempera-
ture is set. (50 - 90 °C)
9-06 Accumulator
House 1 top
Start heating
( 60) 60°
• Accumulator hydraulic system 10
After falling below the preset temperature at the upper
buffer tank 1 sensor, the boiler is started.
9-07 Accumulator
House 2 top
Start heating
( 60) 60°
• Accumulator hydraulic system 10
After falling below the preset temperature at the upper
buffer tank 2 sensor, the boiler is started.
9-08 Accumulator
Differential tempera-
ture
Start pumps
( 5) 5°
• Accumulator hydraulic system 10
If the difference between the boiler temperature and the
accumulator temperature of house 1 or house 2 is greater
than this set value, district heating pump 1 or 2 will start.
9-09 Accumulator
Differential tempera-
ture
Stop pumps
( 2) 2°
• Accumulator hydraulic system 10
If the difference between the boiler temperature and the
accumulator temperature of house 1 or house 2 is smaller
than this set value, district heating pump 1 or 2 will switch
off.
9-10 Accumulator
Start pumps
Return greater
( 65) 65°
• Accumulator hydraulic system 10
Start district heating pumps 1 or 2 as soon as the boiler
return temperature exceeds this set value.
9-11 Accumulator
Pumps lag time
( 2) 2m
• Accumulator hydraulic system 10
Set the lag time of the district heating pumps 1 or 2.
9-12 Accumulator
Start peak load
acc. top below
( 0) 0°
• Peak load switching
In the case of a peak-load boiler, switching on occurs as
soon as the temperature falls below this value.
(see connection terminal 115 on the circuit board)
Setting "0": Function is deactivated.
9-13 Accumulator
Stop peak load
acc. top above
( 65) 65°
• Peak load shut-off
The peak-load boiler is switched off again when the tem-
perature exceeds this value.
No. Display Description
Table 6/11 - System level / 9 - Accumulator
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