Infinity 800 HD UBL, Instruction For User, Installation & Servicing

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LT 7941 Issue No 3 (04/22)
800 HD with UBL SERVICE / FAULT FINDING INSTRUCTIONS
Annual Service Requirement.
General
Servicing should be carried out annually by competent person whose name
appears on the gas safe register. All Gas Safe engineers should possess an ID carrying the logo
below.
Before commencing any service or replacement of part, turn off the gas supply to the fire. After
servicing check for gas soundness.
When ordering spare parts please quote the appliance name and serial number.
This product should be serviced regularly to optimize its safety, efficiency and performance. The
service engineer should complete the relevant Service Record on the Benchmark Checklist after
each service at the rear of the book.
Check for debris
At least once a year check for debris in the catchment area behind the fire and in the flue way. To
undertake this check the following procedure should be followed.
Remove the four M4 nuts fixing the glass clamp to the glass panel. (See Fig 8 on page 11). With the nuts
removed, pull the glass clamp clear of the four studs. Finally lift the glass panel out of the bottom glass
fixing.
Remove the log shapes.
Remove the four screws retaining the gas inlet plate and the ECU cover.
Shut off the restrictor elbow and disconnect the 8mm inlet nut.
Switch off the mains supply from the main supply plug socket.
Undo the M3 nut retaining the ECU unit and remove the connection bracket plus disconnect the mains
supply cable from ECU.
Take out the four screws retaining the burner tray
assembly and lift out of the fire box shelf taking
care not to damage the panels.
Remove the two side liner fixing bracket LH & RH
which are situated in the roof of the fire box
assembly.
Carefully remove the LH & RH side panels.
Remove the rear panel from within the fire box.
Finally remove the eight screws from the inner and
outer inspection covers. (Please see figure 1)