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COMMISSIONING
6.7
FINISHING COMMISSIONING
6.7.1 REPLACE THE OUTER CASE:
Replace outer casing making sure that the securing points are properly
located.
1. Replace top two screws.
2. Re-tighten bottom two screws.
2.
Fig. 46 Replacing outer case
6.7.2 INSTALL THE BOTTOM PANEL
The cut out in the bottom panel fits easily over the syphon elbow and
outlet, however care should be taken not to disturb any sealed
components.
1. Hook the lip at the back of the bottom panel over the angled edge at
the base of the connections manifold.
2. Push up into position.
3. Secure in position the screw provided.
3.
1.
Fig. 47 Bottom panel
42
1.
2.
6.7.3 HAND OVER
▶ Complete the Benchmark Gas Boiler Commissioning Checklist.
▶ Set up the appliance controls and show the customer how to operate
all the control unit/s for central heating operation.
– Also show where in the appliance/controls documentation where
this information can be found.
▶ Where applicable, instruct the customer on:
– the need to occasionally re-pressurise the appliance and the
pressure expected at the pressure gauge.
– location of the filling loop and system pressure gauge.
– the use of the filling loop and how to re-pressurise the system.
– where to find and store the filling loop key, if necessary.
– how to set the TRVs.
– how to reset the appliance.
▶ Show the customer the fault finding information in the User
instructions.
▶ Show the customer where the serial number/appliance information
is located, they will need this information if they call in with a problem
(Benchmark Commissioning checklist contains all relevant appliance
information).
▶ Give the customer details of how to contact the installer/ gas
emergency numbers.
▶ Show the customer how to safely isolate the appliance.
▶ Advise the customer where they can find information on the
Worcester, Bosch Group website, www.worcester-bosch.co.uk.
▶ Advise the customer that outside temperatures will affect the output
of the appliance, especially the DHW.
▶ Ensure that all documentation, is left with the appliance or
homeowner.
– Appliance documentation.
– Controls documentation.
– Any other equipment documentation that is connected to the
appliance or system.
▶ Appliance not in use
– If the appliance is not going to be used immediately and may be
exposed to freezing conditions, advise the customer of the
precautions necessary to prevent damage to the appliance,
system and building.
– If the appliance is unused and exposed to freezing conditions,
– shut off all the mains supplies and drain the system and
appliance, label accordingly.
▶ Show the customer the location of the condensate pipe run in
unheated or external areas that my be at risk of freezing during
prolonged cold spells.
▶ User recommendation: Arrange an inspection/maintenance
contract with an approved heating contractor.
6 720 821 670 (2018/06)
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