Technical data

43Installation and maintenance instructions ecoTEC exclusive 0020017768_05
Display Meaning Display value/adjustable value
d.0 Heating partial load adjustable heating partial load in kW
d.1 Water pump return time for heating mode 2 - 60 minutes (factory setting: 5)
d.2 Max. blocking time heating at 20°C feed temperature 2 - 60 minutes (factory setting: 20)
d.3 Measured value for the hot water outlet temperature in °C
d.4 Measured value for the hot start sensor in °C
d.5
Feed temperature target value (or return tempera-
ture target value, if return flow regulation selected)
in °C, max. of the value set in d.71
limited by an eBUS controller, if fitted)
d.6 Set hot water temperature 35 to 65 °C
d.7 Set hot water retention temperature
40 to 65 °C
15 °C left, then 40 °C up to value set in d.20 (max. 70 °C)
d.9
Feed target temperature from external analogue
regulator to terminal 7-8-9/eBus
in °C, minimum from ext. eBus target value and target
value terminal 7
d.10 Status internal heating pump 1 = on, 0 = off
d.11 Status external heating pump 1 to 100 = on, 0 = off
d.12 Cylinder charging pump 0 = off, 1 - 100 = on
d.13 Circulation pump 0 = off, 1 - 100 = on
d.15 Pump speed actual value Actual value internal pump in %
d.16 Room thermostat 24 V
DC
on terminal 3‘ and 4‘
0 = Room thermostat open (no heat request)
1 = Room thermostat closed (heat request)
d.22 Hot water demand 1 = on, 0 = off
d.23 Summer mode (heating on/off) 1 = heating on, 0 = heating off (summer mode)
d.25
Storage tank charging /hot water charging via
eBUS controller released
1 = yes, 0 = no
d.30 Control signal for both gas valves 1 = on, 0 = off
d.33 Fan speed target value in rpm/10,
d.34 Fan speed actual value in rpm/10,
d.35 Position of the preference changeover valve 0 = heating; 100 = hot water; 40 = centre position
d.36 Through-flow sensor hot water actual value in l/min
d.40 Flow temperature actual value in °C
d.41 Return flow temperature actual value in °C
d.44 Digitalised ionisation voltage Display range 0 to 102, >80 no flame, <40 good flame display
d.47
External temperature (with weather-controlled
Vaillant controller)
actual value in °C
d.67 Remaining burner locking time in minutes
d.76 Appliance variant (device specific number) 00 to 99
d.90 Digital regulator status
1 = identified, 0 = unidentified (eBUS Address ≤ 10)
d.91
DCF status with connected external probe with
DCF77 receiver
0 = no reception, 1 = reception, 2 = synchronised, 3 = valid
d.97 Activation of the 2nd diagnosis level Password: 17
d.98 Telephone installer Programmable telephone number
d.99 Language variant Available languages: 0 = German, 1 = English, 2 = Dutch
Table 9.2 Diagnosis codes in the 1st. diagnosis level
Troubleshooting 9