HDG Pelletmaster 15, Operation Manual

Page: 127 / 172

6 Using the heating system – Structure of the menus
127
2 B
OILER
Warning!
Do not set the maximum boiler temperature above 80 °C.
No. Display Description
2-00 Boiler temp. set by
CCT controller/buffer
Outdoor
External
Outdoor/external
• Defining the preset boiler temperature
with HDG Hydronic system connected
with continuously variable boiler temperature and
external controller
Enabled by external controller and constant boiler
temperature
with external demand and continuously variable boiler
temperature
2-02 Boiler
Preset temperature
Minimum
( 60) 60°
• Minimum preset boiler temperature
The residual heat from the boiler is used down to this
temperature.
(5 - 65 °C)
2-03 Boiler
Preset temperature
Maximum
( 80) 80°
• Maximum preset boiler temperature
To set the maximum preset temperature for the boiler
(50 - 80 °C)
2-04 Boiler
Preset temperature
Increase
( 0) 0°
• Increase in the preset boiler temperature
To achieve the required supply temperature for the loads,
the boiler temperature is increased.
(0 - 10 °C)
2-05 Boiler
preset temperature
Hysteresis
( 10) 10°
• Boiler hysteresis
The difference between the boiler temperatures to switch
on and to switch off.
(0 - 20 °C)
2-06 Boiler
preset temperature for
external demand
( 70) 70°
• This is the preset boiler temperature for an external
demand.
If the boiler is controlled externally, this is where the
target temperature for the boiler is set.
(20 - 80 °C)
2-10 Enable boiler
Mo Tu We Th Fr Sa Su
On 00:00 On 00:00
Off 24:00 Off 00:00
• Weekly lowering programme 1
Various lowering times can be programmed.
2-11 Enable boiler
Mo Tu We Th Fr Sa Su
On 00:00 On 00:00
Off 00:00 Off 00:00
• Weekly lowering programme 2
Various lowering times can be programmed.
Table 6/4 - Service level / 2 Boiler