Installation and maintenance instructions ecoTEC 0020029173_01
32
Display
Meaning
Adjustable parameters
Factory
setting
Boiler-specific
setting
d. 0
Heating partial load
14 - 65 kW
46 kW
d. 1
Overrun time of internal pump for
heating mode
2 - 60 min
5 min
d. 2
Maximum blocking time heating at 20°C
flow temperature
2 - 60 min
20 min
d.14
Pump speed target value
Target value of internal pump in %:
0 = auto, 1 = 53, 2 = 60, 3 = 70, 4 = 85,
5 = 100
5 (100)
d.17
Heating flow/return regulation
changeover
0 = flow, 1 = return
0
do not adjust
d.18
Specification of the pump operating
mode
0 = overrun, 1 = run on,
2 = winter, 3 = intermittent
3
d.20
Maximum setting for cylinder target
value
40 to 70 °C
65 °C
d.26
Additional relay control ecoTEC
1 = circulation pump
2 = ext. Pump
3 = charging pump
4 = vapour extraction hood
5 = ext. solenoid valve
6 = ext. error message
7 = not active
8 = remote control, eBUS (not yet supported)
9 = legionella pump (not active)
2
d.27
Switch of relay 1 on the multifunction
module "2 in 7"
1 = circulation pump
2 = ext. Pump
3 = charging pump
4 = vapour extraction hood
5 = ext. solenoid valve
6 = ext. error message
7 = not active
8 = remote control, eBUS (not yet supported)
9 = legionella pump (not active)
1
d.28
Switch of relay 2 on the multifunction
module "2 in 7"
1 = circulation pump
2 = ext. Pump
3 = charging pump
4 = vapour extraction hood
5 = ext. solenoid valve
6 = ext. error message
7 = not active
8 = remote control, eBUS (not yet supported)
9 = legionella pump (not active)
2
d.50
Offset for minimum speed
in rpm/10, adjustment range: 0 to 300
30
d.51
Offset for maximum speed
in rpm/10, adjustment range: -99 to 0
-45
d.71
Target value maximum heating flow
temperature
40 to 85 °C
75 °C
d.72
Pump overrun time after cylinder
charging
0 - 600 s
80 s
d.75
maximum charging time for hot water
cylinder without independent control
system
20 - 90 min
45 min
d.77
Limitation of cylinder charging output
in kW
such as heating partial load
65 kW
d.78
Limitation of charging temperature
in °C
55 - 85 °C
80 °C
d.84
Maintenance indicator: Number of hours
until the next maintenance
0 to 3000 h and "-"
(300 corresponds to 3000 h, "-" = deactivated)
„-“
d.93
DSN appliance variant setting
Setting range: 0 to 99
47 =
VU 656/4
d.96
Factory setting
1 = Resetting adjustable parameters to factory
setting
d.97
Activation of the 2
nd
diagnosis level
Code: 17 for level 2
Table 7.1 Adjustable parameters, levels 1 and 2
7 Adapting the boiler to the heating system
