Worcester HEATSLAVE 9.24 RSF Installation And Maintenance Instructions Manual page 30
Wall hung combination boiler for central heating and mains fed domestic hot water
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2
.
PRE SERVICE CHECK
{a)
Remove
t
he
cab
inet
front
covet
by
pulling forward
at
t he
bottom edge and unhooking from
the
side panel
top edge
.
(b)
Operate the appliance and
system,
noting any
fau
lts
w hich
m
ay need to be
correct
ed during the service
.
WARNING:
Disconnect the elect
rical supp
ly at the mains
before commencing
any
servicing.
Turn
off
the gas at the gas
service
cock
. Aft
er
com
pl
eting any
service
work always
t
est
tor gas soun
dness
and
'funct
ion of
controls.
3. REMOVE BOILER INNER
COVER.
FAN
.
FLUE
HOOD ASSEMBlY AND BURNER
(See
Fig.
32 .)
Remove boiler
inner
cover.
(a I
Remove
Ho
e
s
i
;~~;
M
5 screws holding
t
he
inner cover
onto
the boiler casing
.
Remove the
co
ver.
Fig
.
32
Pump
overrun
thermos1at
Central
heating
sensor
_
__
,.
Inner
casing
Fixing. 6 Screws
Combustion chamber
cover.
4
Screws
30
Remove fan
.
(b)
Disconnect
the
electric
al connection to
t
he
f
an
at
the
plug-
in
terminal st
rip f
i)(ed
to t
he
righthancis!de
of
boiler
casi
ng
.
(c) Ease the
flex
ible tube
;rom
t
he
left-hand side
of
the
f
an
housing
.
(d) Remove
theM5screwholdingthefanhousing
totheboiler
casing.
(e)
Slide
the
fan
assembly o ut
of
the
locat
ions
and
clear
ot
the
boiler
casing
.
Remove the
flue hood assembly
.
(f
)
Unscrew the two M4
extension
w ing bolts secur ing t he
f lue duct clamping
ring
t
o
the
f lu
e duct housing and
femove
the
extension
wing
bolts.
F an
Flue hood
fixing
Flue hood
Fan
fixing
screw
Overheat
t
hermostat
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