Checking The Static And Supply Pressure - Viessmann VITOPEND 200 Installation And Service Instructions Manual

Initial start-up, inspection, maintenance
Further details regarding the individual steps
Yes
Ionisation cur-
rent builds
(higher than
4 µA)
Symbol A
Yes
Burner operates No

Checking the static and supply pressure

Danger
CO build‐up as a result of incorrect burner setting can have serious
health implications.
Carry out a CO test prior to, and after, work on gas equipment.
Operation with LPG
Flush the LPG tank twice during commissioning/replacement. Thoroughly vent
the tank and gas lines after flushing.
24
Fault F4
No
Stops below set
boiler water tem-
perature and re-
starts immedi-
ately
(cont.)
Check the ionisa-
tion current,
check the elec-
trode adjustment
and the gas pipe
for airlocks.
Check flue gas
system for sound-
ness (flue gas re-
circulation),
check gas flow
pressure