0020244997_07 Installation and maintenance instructions 55
Code Parameter Values or explanations
Factory
setting
Own setting
D.007 Comfort mode target value
APC target value
Cylinder temperature target value
Product with integrated domestic hot water generation,
and product with integrated domestic hot water genera-
tion and shift-load cylinder
35 to 65 ℃
Product with heating mode only
Frost protection is at 15 °C, then 40 to 70 °C (max.
temperature can be adjusted under D.020)
Not ad-
justable
D.008 Controller 3-4 Room thermostat open (no heat requirement)
Room thermostat closed (heat requirement)
Not ad-
justable
D.009 eBUS controller target value In °C Not ad-
justable
D.010 Internal pump On, Off Not ad-
justable
D.011 External pump On, Off Not ad-
justable
D.012 Cyl. charging pump On, Off Not ad-
justable
D.013 Circulation pump On, Off Not ad-
justable
D.014 Pump speed target value Target value of internal high-efficiency pump in %. Pos-
sible settings:
0 = Auto
1 = 53
2 = 60
3 = 70
4 = 85
5 = 100
0 = Auto
D.015 Pump speed actual value Actual value for internal high-efficiency pump in % Not ad-
justable
D.016 Controller 24 V DC: Heating mode Heating mode off/on Not ad-
justable
D.017 Control type Control type:
0 = Flow, 1 = Return
Return: Automatic detection function for heat output
inactive. Max. possible partial heat load when D.000
is on Auto.
0 = Flow
D.018 Pump operating mode 1 = Comfort (continuously operating pump)
Internal pump is switched on when the heating flow tem-
perature is not at Heating off and the heat requirement
is enabled via an external control
3 = Eco (intermittently operating pump)
Internal pump is switched on every 25 minutes for 5
minutes once the overrun time has elapsed
3 = Eco
D.019 Pump operating mode: 2-stage
pump
Setting for two-stage pump operating mode
0: Burner mode stage 2, pump prerun/overrun stage 1
1: Heating mode and pump prerun/overrun stage 1,
domestic hot water mode stage 2
2: Automatic heating mode, pump prerun/overrun
stage 1, domestic hot water mode stage 2
3: Always stage 2
4: Automatic heating mode, pump prerun/overrun
stage 1, domestic hot water mode stage 1
2
D.020 Max. DHW temperature target
value
Adjustment range: 50–70 °C (actoSTOR 65 °C) 65 °C
D.022 DHW demand On, Off Not ad-
justable
D.023 Heating mode status Heating on, heating off (summer mode) Not ad-
justable
D.025 Ext. eBUS signal: Cylinder char-
ging
On, Off Not ad-
justable
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