Viessmann VITOCROSSAL 200 Service Instructions Manual page 10

Commissioning, inspection, maintenance
Further details regarding the individual steps
6.
C
Switch ON system ON/OFF switch
B at the control unit. If fault indicator
A at the control unit illuminates and
burner control unit display C flashes,
first press reset buttonD at the
burner control unit.
Note
The system can enter a fault state
during commissioning if the supply
pipe carries insufficient gas (the fault
indicator at the control unit illumi-
nates). Ventilate the gas supply pipe
again and reset the burner control
unit.
10
7. Match the coding at the boiler control
A B
8. Check the function of the neutralising
9. Check all gaskets/seals and plugs,
D
10. Check the boiler door and flue gas
(cont.)
unit according to the table on
page 58.
Control unit installation and
service instructions
system, including the hydraulic seal
in the siphon.
Neutralising system operating
instructions
and retighten if necessary.
Note
We recommend you check all heating
water side connections for leaks after
approx. 500 hours run (see
page 22).
collector cover a few days after
commissioning and retighten all
screws.