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HARGASSNER Heating technology for
Biomass
A 4952 Weng OÖ Tel.: +43/7723/5274-0 Fax: +43/7723/5274-5 [email protected]
III
10.4 Parameter C - Accumulator
No. C1a Back end protection
• Back end protection not available
• Boiler circulation pump
• Return mixer with district heating pump 1
• Return mixer with accumulator loading pump
• Return mixer with return pump (low loss header)
No. C1b Mixer runtime
Specifying the actual mixer run time
Range: 10 - 300 sec.
No. C2 Accumulator
• non-existent
• Accumulator with heat circuit valve
For low-temperature heat circuits, (e.g. floor or wall circuits)
• Accumulator with 1 sensor
For a hydraulic scheme with accumulator unloading control
• Accumulator with 2 sensors
For a hydraulic scheme with loading and unloading control
• Accumulator with 3 or 5 sensors
For an accumulator diagram with
loading (partial-load operation) and
unloading control
No. C2a Accumulator loading automatic
Specify whether the accumulator should be loaded automatically.
No. C2b Accumulator volume
Set the accumulator volume in litres.
No. C3 Accumulator
• Accumulator/HWT integrated
Accumulator tank with HWT integrated (domestic hot water coil or external
domestic hot water heat exchanger)
• AT / HWT externally (external HWT)
For on-site differential control between accumulator and HWT, set to
AT
(HWT internal)
• Accumulator / Freshwater station
No. C3a Accumulator sensor selection
• Acc. in the boiler room: Select
AT sensor-boiler
• Acc. next door (HKM): Select
Accumulator sensor - HKM 1-2
No. C4 End AT loading (measured on accumulator sensor below)
Only displayed when installer setting
C2
is set with
2, 3
or
5 sensors
If heat is requested, the accumulator is loaded to its set temperature
C4
= 60
°C
(bottom accumulator sensor).
No. C4a Accumulator
Presetting the boiler set temperature for accumulator loading
Only displayed when installer setting
C2
is set with
2, 3
or
5 sensors
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No. C1a Back end protection
not available
Boiler circulation pump
RL Mixer + RL Pump
RL Mixer + FL-P1
RL Mixer + buffer P
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Mixer runtime
Default: 90 seconds
No. C1b Return mixer
90 Sec
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No. C2 Accumulator
not available
AT with HCV
AT with 1 Sensor
Accumulator with 2
sensors
Acc. with 3 sens.
Accumulator with 5
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No. C2a Accumulator loading automatic
No
Yes
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Accumulator Volume
Factory: 0 l
No. C2b Accumulator volume
0 l
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No. C3 Accumulator
Accumulator/HWT integrated
Acc./HWT external
Accumulator/Fresh water station
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No. C3a Accumulator
AT sensor-boiler
Accumulator sensor - HKM 1
Accumulator sensor - HKM 2
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End accumulator loading at temperature
Default: 60 °C
No. C4 Accumulator
60 °C
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Minimum boiler target temp. for acc. loading
Default: 78 °C
No. C4a Accumulator
78 °C
Summary of Contents for Classic 12
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