Operating And Service Documents; Air Pressure Switch - Viessmann VITOCROSSAL 200 Service Instructions Manual

Further details regarding the individual steps

Operating and service documents

1. Complete and detach the customer
registration card:
& Hand the system user this part
for safekeeping.
& Retain the heating contractor's
part.

Air pressure switch

Function
Fault shutdown
The air pressure switch triggers a
fault shutdown of the burner control
unit under the following circum-
stances:
Commissioning, inspection, maintenance
(cont.)
2. File all parts lists, operating and
service instructions in the folder
and hand this over to the system
user.
The air pressure switch A signal is
assessed under the following operat-
ing conditions:
& prior to the fan start (idle state
check)
& in the pre-purge phase
& in control mode, subject to at least a
starting output being produced. An
output lower than the starting output
is not monitored.
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