Worcester Greenstar 12i System Instruction Manual page 39

RemO¥e control retaining
screw
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SIT OR DUNGS VALVE
~ORCESTER
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INSTiot.IJiflON 6 SEIMONG INSTRVCTlONS FOR ~VOOCESTER GAttNStNI I 21 S,'W:f!V'2.fl S,llcll
8716 11205!ia(04105}
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INSPECTION AND SERVICE
IMPORTANT: IF THE JO IN T
BETWEEN THE AIR/GAS MANIFOLD
AND THE HEAT EXCHANGER IS
DISTURBED THE SEALING GASKET
MUST BE REPLACED.
To Clean the Heat Exchanger
1 \Mth wter case and base panel rem01ed and
the power isolated from
the
appliance,
remove the cover panel
(A)
by remcMng the
retaining screw
(B) .
2 RemOI'e d ip (C) from gas valve outlet
>
Pull gas adjustment assembly (D) or outiBt
elbow (E ) free from the plastic connection on
thB
gas vatva.
• Pull
g as adjustment
assembly (D) or outlet
elbow (E) forwiitd to clear case.
Removing Siphon
3.1 Undo plastic nut
(F)
on
the
siphon outlet
Orop condensate
tube:~
from siphon.
3.2 Remove hose
(G~
3.3 Remove siphon
Siphon
• The
siphon body is transparent so contents
can be examined for
arry
blod<.agc.
• tf necessary flush with clean water.
INSPECTION AND SERVICE