45Installation and maintenance instructions ecoTEC 0020029172_03
Display Meaning Display value/adjustable value
d.14 Pump speed target value Target value of internal pump in % Possible settings:
0 = auto (factory setting)
1 = 53%
2 = 60%
3 = 70%
4 = 85%
5 = 100%
d.17 Heating flow/return regulation changeover 0 = flow, 1 = return (factory setting: 0)
d.18 Specifying the pump operating mode 0 = overrun
1 = continuous
2 = intermittent (factory setting)
d.20 Maximum setting for cylinder target value 40 to 70°C (factory setting: 65°C)
d.26 Additional relay control ecoTEC 1 = circulator
2 = ext. pump (factory setting)
3 = cylinder charge pump
4 = extractor hood
5 = ext. solenoid valve
6 = ext. fault message
7 = not active
8 = remote control eBUS (not yet supported)
9 = legionella pump (not active)
d.27 Switch of relay 1 on the
multifunctional module 2 in 7
1 = circulator (factory setting)
2 = ext. pump
3 = cylinder charge pump
4 = extractor hood
5 = ext. solenoid valve
6 = ext. fault message
7 = not active
8 = remote control eBUS (not yet supported)
9 = legionella pump (not active)
d.28 Switch of relay 2 on the
multifunctional module 2 in 7
1 = circulator
2 = ext. pump (factory setting)
3 = cylinder charge pump
4 = extractor hood
5 = ext. solenoid valve
6 = ext. fault message
7 = not active
8 = remote control eBUS (not yet supported)
9 = legionella pump (not active)
d.50 Offset for minimum speed in rpm/10, setting range: 0 to 300 (factory setting 30)
d.51 Offset for maximum speed in rpm/10, setting range: -99 to 0 (factory setting -45)
d.60 Number of safety thermostat shutdowns Number
d.61 Number of faults of the automatic combustion system Number of unsuccessful ignitions in the last attempt
d.64 Average ignition time in seconds
d.65 Maximum ignition time in seconds
d.67 Remaining burner anti-cycling time in minutes
d.68 Unsuccessful ignitions at 1
st
attempt Number
d.69 Unsuccessful ignitions at 2
nd
attempt Number
d.70 not relevant Not relevant
d.71 Target value maximum flow temperature Setting range in °C: 40 to 85 (factory setting: 75)
d.72 Pump overrun time after cylinder charging Setting range in seconds: 0, 10, 20 to 600
(factory setting: 80 s)
d.75 Maximum charging time for cylinder without an own
control system
Setting range in min: 20 - 90 (factory setting: 45 min)
d.77 Limitation of cylinder charging output in kW Setting range in kW: depending on boiler
(factory setting: maximum output)
d.78 Limitation of cylinder charging temperature in °C Setting range in °C: 55 to 85 (factory setting: 80)
Note: Chosen value must be at least 15 K or 15 °C above set cylinder
target value.
d.80 Operating hours heating in h
1)
Table 9.3 Diagnosis codes for diagnosis level 2 (continued on
next page)
Troubleshooting 9
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