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
