HDG Compact 25, Operation Manual

Page: 118 / 188

6 Using the heating system – Structure of the menus
118
2 - B
OILER
1-26 General information
Mixing valve runtime
Minimum
( 2.0) 2.0s
• Mixing valve runtime
Setting the minimum runtime of the mixing valve.
1-27 Phase order error
Off
On
• Phase order
Enables/disables phase order monitoring
No. Display Description
Table 6/3 - System level / 1 - General
Warning!
Do not set the maximum boiler temperature above 80 °C.
No. Display Description
2-00 Set temp. via
HC ctrl/acc.
Outdoor
External
Outdoor/external
• Defining the preset boiler temperature
with HDG Hydronic system connected
with variable boiler temp. and external controller
enable via external control and constant boiler tempera-
ture
with external demand and variable boiler temperature
2-01 Terminal 38-39
Demand
Blockage
• Terminal 38 - 39
Selecting the functions assigned to terminals 38 and 39.
2-02 Boiler
Set temperature
Minimum
( 60) 60°
• Minimum preset boiler temperature
Minimum target temperature to be preset for the boiler.
(50 - 65°C)
2-03 Boiler
Set temperature
Maximum
( 80) 80°
• Maximum preset boiler temperature
Specifies the maximum boiler target temperature.
(50 - 80 °C)
2-04 Boiler
Set temperature
Increase
( 5) 5°
• Preset boiler temperature increased
To achieve the required supply temperature for the loads,
the boiler temperature is increased.
(0 - 10 °C)
2-05 Boiler
Set temperature
Hysteresis
( 5) 5°
• Boiler hysteresis
The difference between the boiler temperatures to switch
on and to switch off.
(0 - 20 °C)
Table 6/4 - System level / 2 - Boiler