0020308121_04 Installation and maintenance instructions 33
◁ If status code S.059 is displayed, the minimum flow
of heating water for the selected heat load has not
been reached. Increase the flow in the heating sys-
tem, e.g. by opening additional radiator valves.
5. Only start a measurement once the product enables
the measurement. The measurement is enabled when
the status switches from S.093 to S.004, S.014 or
S.024. Do not carry out any measurements if S.093
is displayed.
Note
The chimney sweep mode runs for 15
minutes. It can be cancelled at any time by
pressing .
6. If required, press to display the Data overview.
8.10 Switching on the button lock (Advanced Key
Lock)
You can use the button lock to protect the entire control
panel against unauthorised manipulation. When the button
lock is switched on, the request to enter the code for the in-
staller level appears after you press . The button lock can
only be released again by entering the code and switching
off the function. Once you enter the code, a time period of
four minutes starts and you can implement settings within
this time period without releasing the button lock.
If you press after entering the code, the chimney sweep
mode runs for 15 minutes. The button lock only becomes
active again after this.
▶ Call up the installer level. (→ Section 8.2)
▶ Navigate to the Diagnostics codes menu item.
▶ Use the scrollbar to select diagnostics code D.168.
▶ Activate or deactivate the button lock.
▶ Confirm by pressing .
9 Start-up
During initial start-up, the operating data may initially deviate
from the specified nominal data.
During initial start-up, the fan is actuated at maximum speed
for checking for a potential flue gas blockage. The burner op-
eration is then blocked for two minutes. This test is repeated
automatically when the unit is switched on again, provided
that the unit has not been in burner mode for 10 minutes.
9.1 Pre-Commissioning checklist
Check this list before power on and first commissioning.
Num-
ber
Check Yes
(✓)
Electrical
1 Check the wiring of controls is correct
(Vaillant eBUS) or third party controls
2 Correct cable size and type have been
used
Num-
ber
Check Yes
(✓)
3 Correct fuse rating (< 3 amp) is protecting
the system
4 Correct cable entry points have been
used for all external wiring
5 Isolation is via a double pole switched
fused spur or 3 pin fused plug in
unswitched shuttered socket
Flue system
6 The flue type and length conforms with
the boiler model type and maximum
lengths allowable (including bend
restrictions)
7 All flue joints correctly connected and flue
lengths correctly supported
Condensate
8 Condensate termination point checked
and correctly insulated if external
9 Condensate trap filled and re-sealed in
correct position
Gas
10 Gas Tightness test completed
11 Standing gas pressure checked – and
turned on if safe
Water
12 Water Heating circuits are prepared for
first cold fill
13 Mains water treatment installed (Combi
boilers)
14 Heating system has been cleansed thor-
oughly and suitably treated
15 Heating system filter installed and valves
open
▶ Follow the installation wizard instructions that appear on
the interface, follow each instruction in turn until com-
plete.
Tips/hints for the new ecoTEC/1-5
Electronic heat engine
– You don't need any tools, just use the relevant diagnostic
points, e.g. D.000, D.085, D.146 - D.147, D.156 - D.157,
D.164.
Intelligent hydraulics
– Yes, there is a bypass, but it has a different task. Use the
properties of the pump with D.170 and D.171 bis D.175.
User interface
– Use the new possibilities of the interface, e.g. for the ex-
haust gas analysis use the new chimney sweep function.
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