Checking The Heating Circuit Allocation; Checking The High Limit Safety Cut−Out; Changing The Display Language; Checking Outputs (Actuators) And Sensors - Viessmann Vitotronic 200 KW2 Installation And Service Instructions Manual

Checking the heating circuit allocation

H Check whether the label for heating
circuit allocation has been affixed
to the corresponding field of the
programming unit.
Checking the high limit safety cut−out
The Test key must be held down
during this test (position h).
Control thermostat R is now
bypassed. The burner remains
switched ON until the boiler water
temperature has reached the safety
temperature and the high limit safety
cut−out (STB) has switched OFF .

Changing the display language

1. Press c.
This displays the outside
temperature.
2. Select the required language
with b.

Checking outputs (actuators) and sensors

Relay test
1. Press K and d simultaneously
for approx. 2 s.
Relay test is activated.
H Press the corresponding key before
commencing all adjustments.
After the burner has been shut down
by the high limit safety cut−out:
H Release Test key
H Wait until the boiler water
temperature has dropped 15
below the set safety temperature,
then reset the high limit safety
cut−out by pressing E.
3. Confirm with d.
2. Select the relay outputs
with a or b.
3. Press d.
Relay test is completed.
Commissioning
20 K
25