gledhill GB10 Installation And Servicing Instructions page 37

9.8. Insulation
For access refer to section General 9.1 & 9.1.1
Remove the sub assembly as described above and replace the front insulation on the combustion
chamber front cover.
9.9. Overheat thermostat
For access refer to section General 9.1
9.10. Fuses
For access refer to section General 9.1
The fuse is located on the right hand side of the main control pcb.
9.11. On-Off Switch
For access refer to section General 9.1
Remove the electrical connectors from the rear of the switch, squeeze the holding tabs on each end of
the switch. The switch will now push through the front panel.
9.12. Gas Valve
The gas throttle on air/gas venturi (i.e. CO
this boiler are factory set and sealed. These settings should not be tempered. The gas valve and
Venturi assembly must only be replaced by a factory set and sealed replacement supplied by Gledhill
Ltd.
For access refer to section General 9.1 & 9.1.1
Remove the three screws securing the gas valve to the venturi using a Torx T25 driver. Check and
replace any seals and gaskets necessary. After replacing the gas valve the combustion CO
to be checked and adjusted if necessary.
9.13. Controller PCB
For access refer to section General 9.1
Remove the four slot screws securing the Perspex cover and remove the wiring plugs from the pcb.
With a 6mm AF spanner remove the four nylon stand offs securing the control pcb.
VER: 02.3 _260505
Supplied By www.heating spares.co Tel. 0161 620 6677
level) and offset pressure settings of the gas valve fitted to
2
will need
2
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