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8.3
Flame Supervision System
M a xim um fla m e c urre nt
with no fla m e
0 to 0.5 µA D.C.
Conne c t a D.C. a m m e te r in
se rie s with the fla m e probe
using the ja c k plug provide d
Turn on a ll c ontrols a nd
e nsure tha t the re is a supply
to the burne r
Gre e n light ON
I s the re a c urre nt flowing in
the fla m e probe c irc uit
with no fla m e pre se nt
NO
Doe s "loc kout" oc c ur whe n
the re is a fla m e present ? .
NO
B urne r Ope ra ting
M inim um flam e c urre nt
with pilot only
1.0 µA D.C.
Typic a l fla m e c urre nt
3.0 to 5.0 µA with m a in
B urne r ON
To measure flame current, connect
a 0 - 50 µA DC meter in series with
The flame probe by using the flame
probe jack plug.
If the meter reads Negative values
then reverse the test leads.
YES
I nspe c t a nd te st the fla m e probe
a nd wiring for da m a ge d
insula tion a nd short c irc uits
to e a rth
YES
Che ck a de qua te ga s pre ssure
Re pla c e fla m e probe a nd e nsure
tha t it is fitte d c orre c tly.
Che ck fro c orrec t e a rthing of
he a te r
Che ck tha t live a nd ne utra l
pola rity a re c orre c t
Page 53
Re pair or re pla c e
a s nec e ssary
Control box fa ulty
Re pla c e with c orre c t type
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