Checking The Static Pressure And Supply Pressure - Viessmann Vitodens 100 Series Installation And Service Instructions Manual

Commissioning, inspection, maintenance
Further details regarding the individual steps
08. Use / to select "P13".
09. OK to confirm
10. Use / to select "On".
11. OK to confirm

Checking the static pressure and supply pressure

Danger
CO formation as a result of
incorrect burner adjustment can
have serious health implications.
Always carry out a CO test
before and after work on gas
appliances.
A
1. Close the gas shut-off valve.
44
12. MODE to exit the parameter level.
DHW heating and all functions
associated with it are deactivated.
Note
If DHW heating is to be activated
again, set value "OFF".
2. Undo screw A inside test connec-
tor "IN" on the gas train, but do not
remove it. Connect the pressure
gauge.
3. Open the gas shut-off valve.
4. Check the static pressure.
Set value: Max. 30 mbar (3.0 kPa)
5. Start the boiler.
Note
During commissioning, the appli-
ance can enter a fault state
because of airlocks in the gas line.
After approx. 5 s, press RESET to
reset the burner:
Press MODE and OK simultane-
ously and hold until
6. Check the supply (flow) pressure.
Set value: 20 mbar (2.0 kPa)
Note
Use a suitable measuring device
with a resolution of at least
0.1 mbar (0.01 kPa) to check the
supply pressure.
7. Implement measures as indicated
in the table below.
(cont.)
Ð flashes.