Finishing Commissioning; 7.13.1 Fitting The Appliance Casing; 7.13.2 Checking The Operating Status Of The Heating Pump - Bosch Condens 8300i W Installation And Maintenance Instructions Manual

7.13

Finishing commissioning

7.13.1 Fitting the appliance casing

The front casing is to be secured at the bottom with one screw (as
supplied) against unauthorised removal (electrical safety).
▶ Always secure the casing with this screw.
▶ Do not operate the boiler without a casing.
▶ Remove the protective films from the boiler display before handing
over to the user.
1.
3.
Fig. 38 Fitting the appliance casing
[1] side covers
[2] top
[3] front
[4] bottom
Condens 8300i W – 6721841531 (2022/10)
2.
4.
0010019363-002
Appliance handover:
▶ Complete the Gas Boiler Commissioning Checklist.
▶ Show the customer the special features of the appliance.
▶ Show the customer the efficiency tips in the User Instructions.
▶ Set up the appliance controls and show the customer how to operate
all the control unit/s for central heating and DHW operation.
– Also show where in the appliance/controls documentation where
this information can be found.
▶ Where applicable, instruct the customer on:
– how to check the system pressure and re-pressurise if necessary.
– how to set the TRVs.
– how to reset the appliance.
▶ Show the customer the fault finding section 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.
▶ 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 Bosch
Group website www.bosch-climate.com.au/
www.bosch-climate.co.nz.
▶ 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,
safely isolate 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 may be at risk of freezing during
prolonged cold spells.
▶ User recommendation:
– Advise the user to have the appliance and heating system
thoroughly serviced annually by a competent, registered gas
engineer, such as a Licensed Gas service technician.
– Present, where relevant, maintenance aids and reminders within
the appliance menus.
– Arrange an inspection/maintenance contract with an approved
heating contractor.

7.13.2 Checking the operating status of the heating pump

An LED on the pump indicates the operating status.
Possible operating states are:
• LED flashing green = normal operation
• LED solid green = no communication with heating pump,
operation without modulation
• LED solid red = malfunction
If LED is solid green:
▶ Check and ensure correct connection of the signal cable.
If LED is solid red:
▶ Determine and eliminate the cause of the malfunction.
Possible causes of a malfunction are:
• Air in the system,
• low voltage,
• pump is blocked.
Commissioning
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