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- 32 -
13.3 CO2 measurement
The combustion for this appliance has been pre-set at the
factory for operation on Natural Gas G20 as dened on the
appliance data label.
No adjustment of the combustion is necessary.
If you wish to check the combustion then follow the instructions
in the Servicing section.
13.4 Re-check and restart
• Once the appliance is installed, check the operation of the
appliance.
• Start the appliance to ensure that any adjustments operate
correctly and check that the appliance operates safely.
• Check the gas-tightness and water-tightness of the appliance
and eliminate any leaks.
• Check that the ue joints are tested for tightness and tted in
accordance with the instructions.
• Check the entire control and safety system, its settings and
its operation.
14 User information
At the end of the installation, the installer must:
- explain the operation of the appliance and its safety devices
to the user, if necessary provide a demonstration and answer
any questions;
- hand over to the user all the required documentation,
- ll in the documents where necessary;
- advise the user of the precautions necessary to prevent
damage to the system, appliance and the building;
- remind the user to service the appliance annually.
• Draw attention, if applicable, to the current issue of the
Gas Safety (Installation and Use) Regulations, Section 35,
which imposes a duty of care on all persons who let out any
property containing a gas appliance in the UK.
The user shall not interfere with or adjust sealed components.
It is the Law that any servicing is carried out by a competent
person approved at the time by the Health and Safety
Executive.
• Advise the user that, like all condensing boilers this
appliance will produce a plume of condensation from the ue
terminal in cool weather. This is due to the high efciency
and low ue gas temperature of the boiler.
• Advise the user that the permanent mains electrical supply
should not be switched off, as the built in frost protection and
pump exercise program will not operate.
• Advise the User if the mains electricity and gas are to be
turned off for any long periods during severe weather, it is
recommended that the whole system, including the boiler,
should be drained to avoid the risk of freezing.
i
Sealed system: The system must be relled and
to the correct pressure as indicated in these
instructions
• Leave these instructions and the ‘Benchmark’ Installation,
Commissioning and Service Record with the user.
INSTALLATION
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