HARGASSNER Classic 12, Operation Manual

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III
HARGASSNER Heating technology for
Biomass
A 4952 Weng OÖ Tel.: +43/7723/5274-0 Fax: +43/7723/5274-5 office@hargassner.at
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No. B7 District heating pump HWT 1

Activate district line pump when HWT Pump 1 is running
No.B8 Circulation pump HWT 1

The circulation pump can be set for each HWT parametrised on the
controller.
No. B8a Run time circulation pump HWT

The run time depends on the length of the heating pipes and on the heat loss
(insulation) in the line
No. B8b Downtime Circulation pump HWT
No. B9 Energy saving mode
• Not activated : The HWT is loaded in accordance with the settings in the cus -
tomer parameters
• Activated : The HWT is loaded regardless of the loading times if the following
criteria are met for the set length of time ( No. B9a ) before setback/reduction:
• HWT has nearly reached its minimum temperature
• Outside temperature is higher than the temperature for day reduction
• Boiler is in lower partial-load operation (minimum 10%)
No. B9a Switch-on time energy saving mode

The HWT is loaded when the following criteria have been met for 30 minutes
before reduction:
• Outside temperature above 16 °C (customer setting no. 5)
• HWT temperature below 50 °C (installer setting no. B3 (40 °C) + 10 °C)
• Boiler heat output below 60% (service setting no. K1 50% + 10%)
No. B9b Maximum pump runtime when HWT loading

Factory: 0 h (=deactivated)
No. B11-B39: Additional HWT
B11 - B19: When using an extension module 1
B21 - B29: When using an extension module 2
B31 - B39: When using a heat circuit board A

Setting options: See installer settings B1 - B9
No. B60 HWT priority operation for quick HWT loading

For heat circuits with pumps, the heat circuit pumps are switched off through -
out HTW priority operation. No heat is transferred from the boiler to the heat
circuits

For heat circuits with mixers and pumps, the heat circuit flow temperatures
are reduced throughout priority operation
No. B90 HWT loading outside the loading times

When the HWT temperature drops below the minimum HWT temperature
(installer setting B3 )
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No. B7 District heating pump HWT 1
no district heating
with district line 1
Controlled district line
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No.B8 Circulation pump HWT 1
non-existent
Available
Continuous phase
(self-learning pump)
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Run time
Default: 180 seconds
No. B8a Circulation pump HWT 1
180 Sec
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Downtime
Default: 15 min.
No. B8b Circulation pump HWT 1
15 Min
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not activated
No. B9 HWT 1 energy-saving mode
activated
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after the duration
Default: 30 min.
No. B9a HWT 1 energy-saving mode
30 Min
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Max. pump runtime at HWT loading
0=deactivated
Default: 0 h
No. B9b HWT 1
0 h
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not available
available
Loxone
Nos. B11 - B31 HWTs 2, 3 and A
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On
No. B60 HWT priority operation
Off
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ON
No. B90 Release all HWT temp.
Minimum
06:00
Off
Off
ON
22:00
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