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Herz BioFire 500 - Page 77

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Maintenance schedule
11
77
Burn back protection
device (BFP)
a) Functionality (closes after
switching off the system) and
check for leaks. For this, the
maintenance cover must be
removed. Remove dust and
impurities.
Demount ash container cover and
check ash level and empty ash
container if necessary.
Combustion chamber,
combustion grate
combustion chamber
lining (also outside
vault)
a) Control of pollution (slag, stones,
foreign bodies, ash deposits, ...)
For this purpose, the boiler
must be switched off several
hours before, so that a safe
access to the combustion
chamber is made possible.
Boiler must be "cold"!
b) Combustion air vents in the
stones on cleanliness check and
clean. Check step grate visually
for damages and wear.
Aggregate test: step grate and
AAS activate.
(MAINMENU – Output II + III –
AGGREGATETEST - AAS-ON / STEP
GRATE (UP/LOW) ON)
- Remove ash from the vault
- If necessary clean the
combustion chamber
- If necessary clean the ID fan
Control unit -
Function
Check display, operation and faults
list of Control unit. Restart T-Control
Check fault recognition and fault
report
Check if fault report (e.g.: failure:
COVER END SWITCH,…) is shown

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