Ambirad VISION COMPACT VC40, Operation, Maintenance And Servicing Manual

Page: 12 / 20

10
Injector
Figure 24
Remove the four screws securing the
burner spigot to the burner box. Lift off
the burner assembly and gasket, checking
the gasket for signs of splitting, and
replace as required.
Figure 25
Lift off burner assembly carefully as
electrode leads and vacuum tubes are still
attached.
Figure 26
Slacken with a spanner, then unscrew the
injector from its carrier. If servicing the
injector, blow through orifice, never drill or
broach out or use wire to clean. Replace if
blocked or damaged.
Re-fit components in reverse order of
removal.
15Replacement and servicing of components in the burner assembly
Figure 23 Vision Compact burner assembly
!
Health and safety
Isolate gas and electrical supplies before
carrying out any repair work. Always test
for gas soundness with a suitable leak
detection fluid.
Recommissioning After Replacement of
Parts
After replacing parts on the heater, it will
be necessary to re-commission the heater
as detailed in Section 12 of these instruc-
tions.
Replacement parts
Any spare part components that are not
approved by Ambi-Rad could invalidate
the approval of the appliance and
operation of the warranty.
It is recommended that the burner
assembly is removed from the product to
facilitate replacement of the following
components:
Burner head
Injector
Gas valve
Electrode assembly
Electronic sequence controller
Vacuum switch
To remove the burner please see section
13.
With the burner assembly removed from
the product it is now possible to replace
components as follows;