6720866940 (2017/11) US SSB
24 | Maintenance schedule & procedures
8 Maintenance schedule & procedures
To maintain proper functionality, operation and efciency it is required
to perform the specic maintenance operations at the specied regular
intervals.
Before carrying out any maintenance operation turn off the
boiler and close the gas supply using the manual ball valve
Time interval Maintenance
Annually
Verify the cleanliness of the area around the
boiler
Annually Check the pressure of the hydraulic system
Annually
Check vent piping and verify if leaks are
present
Annually Check air piping and verify if leaks are present
Annually Check relief valve
Monthly (follow local,
state, federal or local
authority having
jurisdiction guidelines)
Verify the condensate discharge system
Every two months Test low water cut off
Every two months Verify the reset button of low water cut off
Every six months Check all piping (gas and water) for leaks
End of heating season Shut off the boiler
Tab. 10 User maintenance/inspection schedule
Time interval Maintenance
Annually * Combustion test
Annually *
Verify condition of ue and air system
(including Venturi and fan)
Annually * Check ignition electrode
Annually *
Cleaning the combustion chamber (including
the burner tube)
Annually * Clean condensate discharge
Annually *
Safety block check, modulation range check,
gas valve closing after burner stop
Annually * Check control parameters
Annually * Check for gas piping leak
Annually * Check wiring and connection
Annually * Verify startup
Annually * Verify the ame
Annually * Check relief valve
Annually * Inspect the burner gasket
(*) Annually or every 2000 hours. Which occurs rst.
Tab. 11 Licensed contractor / gas tter maintenance / inspection schedule
8.1 Gas Leak Inspection
Inspect all gas piping for leaks.
WARNING: To guarantee no leaks are present utilize a
soap-water mixture or gas detector. Do not use any method
which could result in an explosion.
8.2 Flue / Combustion air piping inspection
Clear vent system of any obstructions, corrosion, water stains, rust.
Verify the connection between the single components. Verify the outside
terminations are clear. Clean the screens and the louvers if there is any
debris.
8.3 Checking for Wiring and connections
Check that all wiring is securely fastened and in good condition without
any cracking or alteration of insulation or presence of corrosion in metallic
connection.
8.4 Burner Head Cleaning
To clean the burner head it is enough to brush the combustion surface
with a paint brush or other soft bristle brush.
[1] Disconnect the boiler from electrical supply. Disconnect the electrical
connectors from fan and gas valve as shown below;
Fig. 61 Connectors SSB85 - SSB120
Fig. 62 Connectors SSB160
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