Checking Outputs (Actuator Test) - Viessmann Vitodens 200-W B2HE Installation And Service Instructions Manual

Diagnosis
(cont.)
Note
If a called up sensor is faulty, "- - -" appears on the
display.
Calling up operating data
Tap the following buttons:
1. and OK – press simultaneously for approx. 4 s,
then release.

Checking outputs (actuator test)

Note
When the actuator test is started, all actuators are ini-
tially disabled and valves moved to their central posi-
tion.
Tap the following buttons:
01. and OK – press simultaneously for approx. 4 s,
then release.
02. "Actuator test"
03. OK
04. OK to confirm the message.
05. Use / to select the required group.
The following actuator functions can be controlled subject to the system equipment level:
Display
Boiler group
Fan speed
Burner modulation, set
value
3-way valve target posi-
tion
Heating group
Primary circuit pump
speed
3-way valve target posi-
tion
Heating circuit pump 1
speed
Explanation
Set value Burner fan speed in rpm (rotations/minute)
Off Modulation level (in accordance with specific heat generator settings)
■
Minimum
■
heating out-
put
Maximum
■
heating out-
put
Maximum
■
DHW output
Heating Diverter valve set to heating mode
Middle Diverter valve in central position (filling/draining)
DHW Diverter valve set to DHW heating
Set value Internal circulation pump speed in %
Heating Diverter valve set to heating mode
Middle Diverter valve in central position (filling/draining)
DHW Diverter valve set to DHW heating
Set value Speed, heating circuit pump, heating circuit 1 without mixer in %
Diagnosis and service checks
2. Use / to select "Diagnosis".
3. OK
4. Use / to select the required group.
5. OK
6. Select the required information with
06. OK
07. Use / to select the actuator. See the table
below.
08. OK
09. / for the required value.
10. OK
Note
The function is active for 30 min.
11. Use to end the Actuator test.
/ .
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