HDG Compact 25, Operation Manual

Page: 143 / 188

6 Using the heating system – Structure of the menus
143
19 - D
ISTRICT HEATING
18-11 Solar
DHW/Combi Acc+DHW
max. temperature
( 70) 70°
• Maximum temperature for heating the hot water
Set the maximum temperature to heat up the hot water.
(0 - 100 °C)
18-12 Solar
Collector
excessive heat
protection
( 110) 110°
• Protecting the collector from overheating
If the collector temperature is higher than the preset
value, the solar pump starts up to protect the collector.
(0 - 250 °C)
No. Display Description
Table 6/14 - System level / 18 - Solar
No. Display Description
19-01 District heating
Set temp. District
heating
Transfer station
( 65) 65°
• Preset temperature for district heating
Set the temperature of the transfer station for district
heating.
(20 - 100 °C)
19-02 District heating
District heating hys-
teresis
( 10) 10°
• Hysteresis for district heating
If the temperature of the district heating falls below its
preset value by the amount of the hysteresis, the district
heating pump or system will start. (0 - 30 °C)
19-03 Dist. heat priority
no
yes
• Priority for district heating
Activate priority for district heating.
19-04 District heating
Reduce temp.
district hea-
ting priority
( 40) 40°
• Reduced temperature for district heating
If district heating priority is activated, the other heating
circuits are reduced to the preset temperature. (1 - 45 °C)
19-05 District heating
Enabling temperature
district hea-
ting pump
( 40) 40°
• District heating enable temperature
If the boiler temperature (without accumulator) or the
“Acc. top” temperature (with accumulator) is above the
preset value, the district heating pump is enabled. (20 -
100 °C)
19-06 Prog. 1 DH1
Mo Tu We Th Fr Sa Su
On 00:00 On 00:00
Off 24:00 Off 00:00
• District heating enable times
Time block 1: Various enable times can be defined for the
individual days of the week.
Table 6/15 - System level / 19 - District heating