Commissioning And Adjustment - Viessmann VITOLIGNO 300-P Installation Instructions Manual

Making the safety connections
Minimum cross-sections
Output
Boiler phragm expansion
4 to 12 kW
6 to 18 kW
8 to 24 kW
11 to 32 kW
13 to 40 kW
16 to 48 kW
Permiss. operating pressure: 3 bar
Test pressure: 4 bar

Commissioning and adjustment

Boiler service instructions and
operating instructions
Use the checklist supplied to prepare for
and carry out the commissioning. After
commissioning, the fully completed
checklist must remain with the service
documentation near the system.
32
(cont.)
Line to the dia-
Inlet connection
vessel
DN 15 (R ½)
DN 15 (R ½)
DN 20 (R ¾)
Note
Equip boilers with a safety valve that is
type-tested to TRD 721 [or local regula-
tions], and which must be marked in
accordance with the relevant system
version.
Safety valve
Blow-off line
DN 20 (R ¾)