HDG Compact 25 Operation Manual page 101

No. Display
1-25 Power supply
3x400V/N
3x230V
1x230V
1x230V R
1-26 General
Mixing valve runtime
( 2.0)
1-27 Phase order error
Off
On
2 - B
OILER
No. Display
2-00 Set temp. via
HC ctrl/acc.
Outdoor
External
Outdoor/external
2-01 Terminal 38-39
Demand
Blockage
2-02 Boiler
Set temperature
( 60)
2-03 Boiler
Set temperature
( 80)
2-04 Boiler
Set temperature
( 5)
Description
•
Selection of the supply voltage.
•
Setting the minimum running time.
Minimum
2.0 s
•
Messages about errors in the phase order can be
deactivated.
Table 6/3 - System level / 1 - General
Warning!
Do not set the maximum boiler temperature above 80 °C.
Description
•
with HDG Hydronic system connected
with variable boiler temp. and external controller
enable via external control and constant boiler temp.
with external demand and variable boiler temperature
•
Selecting the functions assigned to terminals 38 and 39.
•
Minimum target temperature to be preset for the boiler.
(50 - 65 °C)
Minimum
60°
•
Specifies the maximum boiler target temperature.
Maximum
(50 - 80 °C)
80°
•
To achieve the required supply temperature for the loads,
the boiler temperature is increased.
override
(0 - 10 °C)
5°
Table 6/4 - System level / 2 - Boiler
6 Using the heating system – Structure of the menus
Supply voltage
Return mix. valve
Phase order
Defining the preset boiler temperature
Terminal 38 - 39
Minimum preset boiler temperature
Maximum preset boiler temperature
Preset boiler temperature increased
101