Checking Outputs (Actuators) And Sensors - Viessmann Vitoligno 300-P Service Instructions For Contractors

Further details regarding the individual steps

Checking outputs (actuators) and sensors

Carry out an actuator test
With respect to their application, the actuators are split into two categories:
■ Boiler actuators
■ Consumer actuators
Press the following keys:
1. d + MENU simultaneously for
approx. 4 s.
The "Service" menu
is displayed.
2. |/~ for "Actuator test".
3. d to confirm.
4. |/~ for the required actua-
tor category.
5. d to confirm.
The display shows
the current operating
state.
The burner and all
actuators as well as
relay outputs are
switched off.
The following boiler actuators can be controlled subject to system equipment
level (not required during commissioning):
Display
"Flue gas fan 50%"
"Flue gas fan 100%"
"Prim. air damper Open"
"Prim. air damper Close"
"Sec. air damper Open"
"Sec. air damper Close"
"Heating L probe ON"
Commissioning, inspection, maintenance
(cont.)
6. Wait until the burnout phase has ter-
minated.
7. |/~
8. d
9. d
10. Press g until the standard display
is displayed.
The actuator test has been termina-
ted.
Explanation
for the required actua-
tor or relay output.
Note
The actuator test is
terminated automati-
cally if no input follows
for 5 min.
to confirm
to terminate
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