0020308118_05 Installation and maintenance instructions 39
8.5 Carrying out the actuator test
1. Call up the installer level. (→ Section 8.2)
2. Navigate to the Test modes → Actuator test menu
item.
3. Use the scrollbar to select the required actuator test.
Actuator test (→ Appendix H)
4. Confirm by pressing .
◁ The actuator test starts and runs through.
5. While the actuator test is running, press , if
required, to display the following: Data overview.
6. If required, select another actuator test.
8.5.1 Exiting the actuator test
▶ Press .
◁ The basic display is shown.
8.6 Calling up the data overview
1. Call up the installer level. (→ Section 8.2)
2. Navigate to the Data overview menu item.
◁ The current operating mode is shown in the display.
8.7 Calling up status codes
▶ Navigate to MENU → INFORMATION → Status code.
Status codes (→ Appendix E)
◁ The current operating mode (status code) is shown
on the display.
8.7.1 Exiting the status codes
▶ Press .
◁ The basic display is shown.
8.8 Exiting the menu level
▶ Press .
◁ The basic display is shown.
8.9 Running the chimney sweep mode
(combustion analysis)
1. Press .
2. Press or navigate to MENU → SETTINGS → Chim-
ney sweep mode.
3. To carry out the combustion analysis, select one of the
following heat loads:
– Adjustable heat load
– Max. DHW heat input
– Min. heat input
4. Confirm by pressing .
◁ If you have selected Adjustable heat load, set the
desired heat load and confirm by pressing .
◁ If status code S.093 is displayed, calibration is be-
ing carried out.
◁ 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
3 Correct fuse rating (< 3 amp) is protecting
the system
4 Correct cable entry points have been
used for all external wiring
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