Section 10: Commissioning Page 41
10.8 COMPLETION
1. With the system hot, check again for leaks, rectifying where
necessary. Drain the system while it is hot to complete the
ushing process. Rell and vent the sealed system.
2. A suitable central heating system inhibitor must be added to
protect the system against the eect of corrosion.
3. A suitable antifreeze should be used to prevent damage to
the boiler in areas where electrical power failure can occur in
winter months.
4. Replace the top, front and rear panels as necessary.
! NOTE !
After commissioning the boiler complete the OFTEC CD/11
commissioning report. Leave the top copy with the user
and retain the carbon copy.
If the boiler is to be left in service with the User, set the controls
and room thermostat (if tted) to the User’s requirements.
If the boiler is not to be handed over immediately, close the boiler
fuel supply valve and switch o the electricity supply.
! CAUTION !
If there is any possibility of the boiler being left during
freezing conditions, then the boiler and system should be
drained. Alternatively, a suitable heating system antifreeze
should be used.
10.9 INFORMATION FOR THE USER
The User must be advised (and demonstrated if necessary) of the
following important points:-
• How to start and switch o the boiler and how to operate the
system controls.
• The precautions necessary to prevent damage to the central
heating system and to the building, in the event of the boiler
not being in operation during frost conditions.
• The importance of servicing the boiler to ensure safe and
ecient operation. This should normally be required only
once a year.
• The type of fuel used.
• That any servicing or replacement of parts must only be
carried out by a suitably qualied engineer.
• Ensure that the boiler controls and room thermostat (if tted)
are set to the User’s requirements.
• Tell the User the system pressure and show them the
position of the safety valve discharge pipe.
• Show the User how to reset the overheat thermostat and how
to restart the boiler if it goes to ‘Lockout’.
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