Viessmann Vitovalor PT2 E11T Installation And Service Instructions Manual page 99

Gas condensing module
4. "Actuator and sensor test"
5. to confirm the security prompt.
Note
If an actuator function is not possible due to the
running process, the function is interrupted. A mes-
sage appears.
6. Use / to select the required group. See the
table below.
The following actuator functions (relay outputs) can be controlled subject to the system equipment level:
Display
Burner control unit group
Fan speed
Burner modulation
Gas condensing boiler
3-way valve
Gas condensing boiler
3-way valve
Gas condensing boiler
3-way valve
Heating group
Boiler circuit pump
speed
Gas condensing boiler
3-way valve
Gas condensing boiler
3-way valve
Gas condensing boiler
3-way valve
Heating circuit pump 1
Heating circuit pump 2
Heating circuit pump 3
Heating circuit pump 4
(cont.)
Explanation
Set value Fan speed, burner in %
OFF Modulation level (subject to delivered condition and parameter set-
■
Minimum tings)
■
heating out-
put
Maximum
■
heating out-
put
Maximum
■
DHW output
Heating Diverter valve set to heating mode
Central posi- Diverter valve in central position (filling/draining)
tion
DHW Diverter valve set to DHW heating
Set value Internal circulation pump
Heating Diverter valve set to heating mode
Central posi- Diverter valve in central position (filling/draining)
tion
DHW Diverter valve set to DHW heating
Set value Speed, heating circuit pump, heating circuit without mixer in %
Set value Speed, heating circuit pump, heating circuit 2 with mixer in %
Set value Speed, heating circuit pump, heating circuit 3 with mixer in %
Set value Speed, heating circuit pump, heating circuit 4 with mixer in %
Diagnosis and service checks
7. Tap the required actuator function. Several func-
tions can be activated simultaneously.
8. If necessary, tap to confirm. The functions are
active for 30 s.
9. Use to terminate the Actuator and sensor test.
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