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Clogged air intake
?
air flow through the
firebox
Is discharge of flue
gas OK
?
Is the sealing of the
door and the cover of
the boiler OK
?
Is the overpressure
fan FAN1 operate
?
Are tubes between
electronics and
flow meter OK?
Is it the flow meter
canceled?
NO
NO
NO
NO
NO
1. Check air supply to
the room
2. Check the air intake to
the boiler
3. Check contamination
of the firebox and space
underneath
1. Clean the connecting
pipe
2. Clean the fan
3. Clean the chimney
You need additional
sealing. Change sealing
strip, when necessary
.
1. Check the voltage at the
output of the electronics
2. Check round white
protective pressure switch
3. Check the STB
4. Check the operation of the
safety relay
5. Replace the fan
1. Replace them if they
are broken or damaged
2. If they are clogged or
pressed down, clean them
or set them properly
Replace the
electronics
service man
YES
YES
YE
YE
YE
YES
ALARM
Содержание GRANDE
Страница 31: ...31 16 0 DIMENSIONS OF BOILER GRANDE Figure 17 ...