Emissions Test Switch - Viessmann Vitotronic 200 KW2 Operating Instructions Manual

Emissions Test Switch / Troubleshooting Guide

Emissions Test Switch

Emissions test
switch
= Manual
operation
= Automatic
Diagnosis and Correction
DFault
Tu
Boiler sensor
Acknowledge? Yes
28
For flue gas measurements with short-term elevated boiler water temperature.
1. Open the bottom hinged cover on the
control unit.
2. Turn the emissions test switch " "
from " " to " ".
3. Activate the heat emitters (e.g. by
opening the thermostatic valves).
4. After completing the measurement,
close the hinged cover; the switch is
automatically set to "
If a fault occurs in your heating system, it will be indicated in the display window
with the cover closed and by a flashing red fault lamp. Using the scan facility, you
can access the fault code in the display window and inform your heating contractor
ºC
accordingly.
1. Open the hinged cover on the
programming unit.
2. for fault search.
The error source is
displayed in plain language
and in the form of a fault
code.
to acknowledge the fault.
3.
4. / for Yes or No.
5. to confirm;
the display changes and
shows the boiler water
temperature.
6. Close the hinged cover on the
programming unit.
To call up an acknowledged fault message
Press for approx. 2 seconds.
Select the acknowledged fault with
/ .
The following functions are triggered:
The boiler water temperature is
controlled by the temperature
regulator " ".
All pumps are switched on
The mixing valve (if installed)
remains in its control mode.
The burner is switched on (at max.
". output).
Example
Fault display
Error number
Sensor designation
plug designation
Open circuit
or
Short circuit
Please note:
The fault message will re-appear at
07:00 hrs on the following day if the
fault has not been corrected in the
meantime. The red fault lamp
continues to flash until the fault has
been corrected.
Fault is displayed