Maintenance 12
41
We reserve the right to make any changes due to technical modifications!
Installation, Operation and Maintenance Manual Sealed Combustion Gas Boiler Logano GA244 • Issue 02/2004
Buderus Heiztechnik GmbH • http://www.heiztechnik.buderus.de
3.: Inspection of the gas burner
1. Check burner box, air intake hose and burner tubes
for contamination, and clean components when
necessary, see 5.: “Cleaning of the gas burner“,
page 42.
2. Check air intake hose for damage and replace when
necessary.
4.: Cleaning the boiler
The cleaning of the heat exchanger of the boiler can be
achieved with brushes and/or a wet spray cleaning.
a) Brush cleaning:
1. Brush out from the top the heating passages.
b) Spray cleaning / combined cleaning:
1. Select proper cleaning agent based nature of build-
up. (Soot or corrosive build-up).
2. Follow manufacturer's instructions with respect to
use of cleaning unit and cleaning agent. It may be
that the application of the cleaning agent is different
that described here.
3. Heat boiler to a temperature of about 122° F.
4. Shut off main gas piping shutoff valve.
5. Disconnect electric power to the appliance.
6. Remove gas burner tray and inducer blower (Refer
to 2. "Inspection of the boiler"), see page 37.
7. Cover controls with aluminum foil; avoid spraying on
gas and electrical controls.
8. Put dry absorbing rags on top of board insulation in
the bottom of boiler.
9. Spray the heating passages evenly from the top with
the cleaning agent.
* Cleaning accessories= please order separate.
Fig. 36 Cleaning with a brush
Fig. 37 Spray cleaning of the boiler
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