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Worcester-Bosch Greenstar CDi Classic 2015-2023 Manual

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Fault or Breakdown
GREENSTAR CDi CLASSIC ErP – 6 720 815 728 (2015/05)
VENTILATION
This is a room sealed boiler and does not require any air for
combustion from inside the property. If a compartment is built
around the boiler after installation, then this must be carried
out as described in the Installation Manual.
SEALED HEATING SYSTEMS
This boiler is fitted to a sealed heating system which is pre-
pressurised. The optimum level for system pressure on a
Greenstar CDi Classic ErP Combination boiler is 1.5 bar
indicated on the pressure gauge.
▶ Check regularly that the pressure is maintained.
▶ Contact your installer or main ten ace engineer if a
permanent significant drop is indicated on the pressure
gauge.
CENTRAL HEATING SYSTEMS
All radiators must be heated at an even rate. If the top of a
radiator is at a lower temperature than the bottom then it
should be bled by releasing air through the bleed screw at the
top of the radiator.
Ask your installer to show you how this is done.
This boiler is fitted to a sealed system. Should water leaks be
found or if excessive bleeding is required, then a service
engineer must be contacted to inspect the installation and
rectify any fault.
Only additives that are compatible with aluminium may be used
in the system. Any incompatible additive used will invalidate
the guarantee.
6 FAULT OR BREAKDOWN
This boiler is supported in the UK and Eire by Worcester, Bosch
Group.
Specialist Service Engineers are available to attend a
breakdown occurring on this boiler.
• No charge will be made for parts and/or labour providing:
– A boiler fault is found and the boiler is within the
guarantee period. Reasonable evidence of this must be
supplied on request. i.e. the Benchmark Checklist.
• A call-out charge will be made where:
– The boiler is outside the guarantee period.
– Evidence cannot be provided that the first year service
inspection has been carried out (i.e. an entry in the
Benchmark Checklist).
– Our Field Service Engineer finds no fault with the
boiler.
– The cause of breakdown is misuse or with other parts of
your plumbing/heating system, or with equipment not
supplied by Worcester, Bosch Group.
TECHNICAL SUPPORT
In the event of a boiler fault or breakdown please contact
Worcester, Bosch Group appointments team on:
0330 123 9559.
Your advisor will arrange for an engineer to call with the
minimum of delay; under normal circumstances this will be
from 1 - 3 working days (excluding weekends and bank
holidays) for priority breakdown situations (no hot water and/
or heating).
CAUTION: Risk of damage to the boiler.
▶ Do not operate the boiler if the flue
terminal is obstructed or damaged in any
way.
For information on how to “Re-pressurise the
heating system” refer to page 13.
Invoices for attendance and repair work
carried out on this boiler by any third party will
not be accepted.
No boiler fault is found on over 30% of all
service calls.
In the case of a suspected fault, refer to the
fault finding section of this guide.
… 18 …


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