Viessmann Vitoligno 300-C Installation And Service Instructions Manual page 54

Commissioning, inspection, maintenance
Commissioning the heating system
Selecting the type of changeover unit
Available if charging scheme "With changeover unit"
was previously selected.
Press the following buttons:
1. / "0" for "Changeover unit with backwash
| ~
function (4-way or 8-way)"
or
"1" for "Changeover unit with bypass func-
tion (wall mounted)"
or
"2" for "Revolver changeover unit with three
suction wands (fixed)"
Selecting the changeover unit/number of wands
Available if the changeover unit with backwashing type
"0" was previously selected.
Press the following keys:
1. / Number of wands of the changeover unit:
| ~
"2", "3", "4", "5", "6", "7" or "8".
Selecting the pellet store sensor
To specify whether a level sensor is present in the pel-
let store, press the following keys:
1. / for pellet store sensor "Yes/No"
| ~
Selecting external digital input
Available if "No" was selected for the cascade.
Press the following buttons:
1. / for external demand with external digital
| ~
input "No/demand/block".
Selecting external analogue input
Available if "No" was selected for the cascade.
Press the following buttons:
1. / for external default output with external ana-
| ~
logue input "Yes/No".
54
(cont.)
2. to confirm.
d
2. d to confirm.
2. To confirm.
d
2. to confirm.
d
2. to confirm.
d