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Green Storage WB Range
Installation & Maintenance Instructions
INFORMATION FOR HOMEOWNERS
SPARE PARTS
See insert sheet for a list of part numbers.
USER INSTRUCTIONS
Your stainless system is automatic in normal use and requires only annual servicing,
normally this is timed to coincide with the annual boiler or solar system service. You
should employ a competent installer to perform the annual service and complete the
benchmark log to maintain your 25-year guarantee on the inner vessel.
If water is flowing from the safety valves through the tundish, this indicates a
fault in your heating system and action is needed.
If this water is hot, turn the boiler, immersion heater and/or solar system off. Do not
turn off the water until the discharge runs cool. The discharge may also stop.
Call out a competent installer to diagnose the fault.
Tell them you have a fault on your hot water system and that the system includes an
unvented hot water cylinder.
AFTER DRAINING
Important: After draining the cylinder, the hot tap must be left fully open until the
cylinder has fully cooled, failure to follow this instruction may result in damage to the
cylinder & will invalidate the guarantee.
The installer must follow the Benchmark code of practice for the Benchmark certification
to be valid. Please see page 2 and the Guarantee terms and conditions on pages 23 for
further details.
SPECIFICATION - CYLINDER DETAILS & PERFORMANCE
Please refer to the insert sheet that came with this installation manual.
20
BENCHMARK SCHEME
The installer must follow the Benchmark code of practice for the Benchmark certification
and your 25-year guarantee to be valid. The Benchmark code of practice can be found
online via www.centralheating.co.uk.
Worcester Bosch is a licensed member of the Benchmark Scheme which aims to improve
the standards of installation and commissioning of domestic heating and hot water
systems in the UK and to encourage regular servicing to optimise safety, efficiency and
performance.
Benchmark is managed and promoted by the Heating and Hotwater Industry Council. For
more information visit www.centralheating.co.uk
Important: Please ensure that the installer has fully completed the Benchmark
Commissioning Checklist on page 21 of the installation instructions supplied with the
product and that you have signed it to say that you have received a full and clear
explanation of its operation.
The installer is legally required to complete this Benchmark Commissioning Checklist as a
means of complying with the appropriate Building Regulations.
All installations must be notified to Local Area Building Control either directly or through
a Competent Persons Scheme. A Building Regulations Compliance Certificate will then
be issued to the customer who should, on receipt, write the Notification Number on
the Benchmark Commissioning Checklist. This product should be serviced regularly to
optimise its safety, efficiency and performance. The service engineer should complete the
relevant Service Record Commissioning after each service. The Benchmark Commissioning
Checklist and Service Record will be required in the event of any guarantee claim.
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