Reset All Operating Parameters To Their Delivered Condition; Manual Mode And Service Display - Viessmann MatriX Service Instructions For Contractors

Burner control unit VUC 310

Reset all operating parameters to their delivered condition

Reset all operating parameters to their delivered condi-
tion:
1. S for longer than 2 s.
flashes.
2. until "6" is shown under Service.
3. S "6" will be displayed under Status.

Manual mode and service display

The burner must be running to call up the service dis-
play and for manual mode. The service display shows
the current modulation level in %.
Press the following keys:
1. /S simultaneously for longer than 2 s.
The burner switches to manual mode. "P"
appears on the display under Status and the
current modulation level flashes under Serv-
ice.
2. for the lower heating output to partial load
(0 %)
3. The burner modulates upwards in 1 % steps
to full load (100 %)
4. /S simultaneously for longer than 2 s.
The burner returns to modulating mode.
(cont.)
4.
5. S "1" is shown under Status and "dEL" under Serv-
6. S to confirm. If reset successfully, "1" will be shown
7. S To change to the operating display.
until "0" is shown under Service.
ice.
under Service; if not, "0" will appear.
Burner control unit
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