23
20197230
GB
Maintenance
9.3
Opening and closing the burner
For accessing to the interior of the burner, loosen the screws that
secure the cover and proceed with the maintenance operation.
Check the operation
–
Start-up of the burner following the instructions of the manual
–
Ignition device
–
Flame monitoring
–
Seal test of components to the passage of fuel
DANGER
Disconnect the electrical supply from the burner
by means of the main system switch.
DANGER
Close the fuel shut-off valve.
Wait for the components in contact with heat
sources to cool down completely.
DANGER
Operating safety hazards
Repairs to the following components may only be
carried out by the respective manufacturers or by
personnel instructed by them:
–
fan motor
–
electromagnetic valves
–
burner programmer
After carrying out maintenance, cleaning or
checking operations, reassemble the cover and
all the safety and protection devices of the burner.
Содержание 3749251
Страница 2: ...Original instructions...