45
Installation 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
Summary of Contents for ecoTEC VU 466/4
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