Vaillant Flue pipe Specifications download pdf (Page 51)

51Instructions for installation and servicing ecoTEC 839592_12

Display Meaning Display value/adjustable value

d.36 Hot water flow sensor in l/min

d.40 Flow temperature Actual value in °C

d.41 Return temperature Actual value in °C

d.44 Digitised ionisation potential Display range of 0 to 102, > 80 no flame, < 40 even flame

d.47

Outside temperature

(with weather compensating Vaillant controller only)

Actual value in °C

d.67 Remaining burner anti cycling time in min

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 second diagnostic level Password: 17

Table 8.2 Diagnostic codes of the first diagnostic level

(continued)

Second diagnostic level

• As described above in the first diagnostic level, scroll

through the diagnostic number d.97.

• Change the displayed value to 17 (password) and

press the “i” button.

You are now in the second diagnostic level where all

information from the first diagnostic level (see Table

8.2) and the second diagnostic level (see Table 8.3) is

displayed.

Display Meaning Display value/adjustable value

d.17 Heating flow/return regulation changeover 0 = flow, 1 = return (factory setting: 0)

d.18 Pump mode (return) 0 = return, 1 = nonstop, 2 = winter (factory setting: 0)

d.19 Only in ecoTEC plus:

Operating modes of the two-speed heating pump

0 = pre ignition speed 1, hot water or heating speed 2, overrun speed

1 = pre ignition speed 1, hot water speed 2, heating speed 1, overrun

speed 1

2 = like 1, but speed in heating mode dependent on heating part

load d. 0 (if d.0 is below 60% of full load, then pump speed 1,

otherwise speed 2)

3 = always speed 2

(factory setting: 2)

d.20 Maximum set value for target cylinder temperature

(system boilers only)

Setting range: 50 to 70 °C (factory setting: 65 °C)

d.27 Switching accessory relay 1 in the accessory module 1 = Circulation pump (default)

2 = Ext. pump

3 = Storage charging pump

4 = Flue gas flap/extractor hood

5 = External gas valve

6 = External error message

d.28 Switching accessory relay 2 in the accessory module 1 = Circulation pump

2 = Ext. pump (default)

3 = Storage charging pump

4 = Flue gas flap/extractor hood

5 = External gas valve

6 = External error message

Table 8.3 Diagnostics codes of the second diagnostic level

Scrolling and changing values and exiting the diagnostic

mode is done as described in the first diagnostic level.

Note

After exiting the second diagnostic level, if you

press “i” and “+” within 4 minutes, you will

directly reach the second diagnostic level

without having to enter the password again.

Troubleshooting 8

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Vaillant Flue pipe Specifications Page 51

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