Spark Of Flame Detection Electrode; D.h.w. Meter - Ferroli F30 Installation, Servicing And User Instructions Manual

7.13 Spark or fl ame detection electrode
• Isolate as and electricity supply
• Remove outer case two screws bottom rear
corners
• Open room sealed compartment and
combustion chamber
• Identify electrode from
• Unplu electrical connection "A" from sensin
electrode
• Remove xin screw and remove flame
detection electrode
• Remove the two xin screw from spark
electrode plate and remove it
7.1 . . . fl o meter
• Isolate electricity and water supplies
• Open a hot water tap to release water pressure
from the domestic side of the heat exchan er
close tap
• Remove outer case two screws bottom rear
corners
• Remove two screws from control panel and
tilt forward
• ake off protective cover from main
unplu flow meter lead from terminal
• lace a piece of cloth or some other absorbent
material over rear of control panel to catch
any drops of water that may be released when
removin the flow meter
• Usin a mm open ended spanner undo flow
meter unions "A" and " " takin
twist the copper tubin
panel
• Remove flow meter check
restrictor t to new flow meter
• Reassemble in reverse order
er e t e correct po ition o
component a o n in
Key
Cold w ter nlet fi lter
37
a
i
G sk
et
38
a
Cold w ter fl ow l m ter
39
a
i i
and
care not to
access throu h base
clean filter
. 33
lame
detect
A
37 38 39 38
Spark
A
3
Fig. 2
Fig.
b
33
Fig.
33
a
33