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Absolute Boilers ABS 1500-2000-2500-3000-4000
11 Maintenance
11.1 General Maintenance
If during the annual inspection combustion results indicate that the boiler is no longer operating at the optimum level
additional maintenance should be carried out as follows:
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The Absolute Mini boiler or any of its components does not contain any crystalline silica.
Warning
Electrical Shock Hazard:
Please label all wires prior to disconnecting when servicing this boiler. Wiring errors can cause improper operation
and dangerous operation. Verify boiler operation after service!
Warning
All service and maintenance must be completed by a trained and qualified service technician.
Warning
Keeping the boiler area clear and free from combustible materials, gasoline and other flammable vapor and liquids'
Please ensure that the gas supply and main power supply is isolated before any maintenance work is carried out on
the boiler. Care should be taken when stripping the boiler for maintenance making sure that all parts, nuts, washers
and gaskets, etc. are kept safe, clean and dry for re-assembly. Following maintenance/cleaning, the boiler should be
re- assembled in the reverse order re-placing gaskets and joints where found necessary. All general cleaning should
be carried out with compressed air, a soft brush or damp cloth to avoid damaging components. (Solvents must not be
used). Remove front and end casing panels – lift casing panel slightly upwards and tilt toward you lift again clear of
the bottom rail.
CAUTION
The sealing between the burner and the mixing blend may be sticky. Prevent the sealing from tearing. Damaged or
hardened sealing must always be replaced.
11.1.1 Inspection of air box and dirt trap
The air box has a dirt trap on the inlet side. Check this for dirt, leaves, etc. If the boiler is closed, the clamping strip
under the casing must be removed first, check using a mirror if necessary.
Check the air box for dirt using a lamp. If the air box is dirty, it must be dismantled and blown clean. If the air box is
dirty, the following components must also be dismantled and blown clean:
11.1.2 Cleaning the Whirlwind
Use compressed air or a synthetic brush to clean the whirl wind mixing plate. Make sure not use oil based or varsol
based cleaning products as this will damage the plastic fins, and could cause failure.
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