Rinnai Infinity 11e, Service Manual

Page: 26 / 36

26
Servicing
ANNUAL SERVICE
See Page 25
Isolate gas supply and electric supply
Remove Front Panel by means of 4 corner screws
Remove all screws around outer edge of manifold (11) and remove
Inspect and clean injectors on inside of manifold (B). If heavily contami-
nated remove front cover plate (A) and clean from inside out
DO NOT RE-DRILL or ENLARGE ORIFICE
Remove Ignition lead and Ionisation lead
UNLESS GASKET (F)* IS AVAILABLE DO NOT REMOVE SCREWS (E)
Remove remaining screws holding Combustion Chamber Front Cover (10)
and Remove Cover Plate
Inspect and clean Ignition (C) and Ionisation Electrodes (D), Inspect for
cracks.
Remove 2 screws (12) on ledge of main burner box and remove complete
burner
Clean burners (G) with air brush and paint brush
Should any burner require individual attention undo screws (H) and remove
retaining bracket (I)
Inspect Combustion Chamber and base of Heat Exchanger. Check for signs
of damage / leaking
Disconnect fan wiring (J)
Remove 3 x Fan retaining screws (13) and remove fan from unit
Inspect fan Impellor and clean as require
Re Build in Reverse Order