Routine Cleaning And Inspection - Worcester HEATSLAVE 9.24 RSF Installation And Maintenance Instructions Manual
Wall hung combination boiler for central heating and mains fed domestic hot water
Hide thumbs
Also See for HEATSLAVE 9.24 RSF:
Table of Contents
Advertisement
Fig. 30. Gas control valve.
Gas
service
tap
Fig.
31
Governor
adjuster
under
plastic
cap.
Gas
manifold
to
burner.
Burner
setting
pressure test
point.
Pressure
adjustment
12.
Posit ion
the
Users
Operating
Switch to
HEATING AND
WATER
or,
if
a
programmer is f
itted, f8posit4on the
central
heating
se
lector
switch
to
24hrs.
Check
th
at
aU
theradiator
va~ve
s
are
fully
open
and the
boiler temperature
control
is
at maximum.
The
boiler
will
modulate at the dictates of the
central
heating sensor
initially operating at an
output
of
8
.
8
kW
(30,000
Btu/h).
see
Table
1 for
the equivalent
burner
pressure.
The
output
will
increase
up t
o the factory
set
output
of
15 kW
151,200
Btu/h),
see
Table
1
for
the
equiva
lont
burner
pressure
.
Bala nce t he
system
as
described
in Section
9,
instruction 4.
1t
may be necessary
to
remove
the two
yellow
leads
from
thegasto
ensure
that
the
v
alve does
not modulate
and maintains
a
fixed
maximum
burner
pressure, for the
purposes
of
balancing
t
he
system
.
lftheheat
load is in
eKcessof
15
kW
{5 1.200
Btu/h)
t hen reset
the
controls
to
the
maximum of
l9 kW
(
64,800
Btu /h)
by
carefully rotating
the
adjustment
potentiometer
anti-clockwise.
See Fig
.
31
_ Access is
gained to the adjustment
point
hy lowering the
electrical
control panel.
1
3
_
Shut
down
all
t he
radiators
but one
and observe
the
burner
pressure
fall
in response
t
o
the lower output requirements
.
Open 1111 the radiators and
ch
eck that
t
he
burner
pressure
rise
s.
29
14.
Witl'l
the
boiler
operating
in
the cent
ral
heating
mode,
ensure
the
room
thermostat
,
if
fitted, is
set to
maximum
.
Check
the
operation
of
the
fl
ame
failure device
and boiler
the
rmostat.
(a)
Turn the
pilot
throttle
screw
on
the
gas
valve
c
lockwise
until
fully
closed.
See
Fig.
30
.
(b
)
Observe
through
the viewing
window
the
pilot
and
main
burner to go
out
and continuous
sparking
from t
he
spark
electrode
.
kl
Unscrew
the
pilot
throttle
screw t
wo
full
t
urns.
Observe
the pilot
t
o
re-light
and
the
main
burner
to re-ignite
.
(d)
Allow
the
cent
ral
heat ing
system t
ime
to
warm
up.
Tum
the
thermostat
knOQ
towards
t
he
minimum
setting
and
observe
the
main
burner
to
go
out.
Turn the
thermostat
knub
to
maximum and
repe~:~t
the
operat
ion.
15.
Posit ion
the
User
Operati
ng Switch
to OFf,
or
if
a
programmer
is
f
itted,
switch
t
o
OFF
_
Disconnect
the
pressure gauge and retighten
the test point
screw.
Test
for
gas soundness
around
screw.
16.
Stick
t
he
arrow
on t
he
da ta badg
e
in
the
space
providsd
indicating
the
heat
output
and burne
r setting pressure.
1
7. Replace
the
a'ectrical tray
in
reverse
order
(see
Instruction
12)
.
Position
t
he Users Sw itch
t
o
OFF
or,
if a
programmer
is
fitted
.
position the
selector
switc
hcs
to
OFF.
Replace
the
white
cabinet
fmnt cover.
18.
Position
the room thermostat
if
fitted
to
t
he
desired
settinQ.
14.
USER'S INSTRUCTIONS
Hand
t
h
e
Users
Instruc
t ions
to t
he
user
or
purchaser
f
or
relention and
instruct
in
the
efficient and
safe
operation
of the
appliance
end
heating/hot
water
system.
A dvise
the
user or
purchaser
of t he pre cautions necessary to
prevent damage
t
o
the
heating/hot
wat
er
system
and t
o
the
buildingintheevent oftheheating
systemremaininginoperalive
during fmst conditio
ns.
Inform the User of
t
he system
pressure on
a
sealed
sy stem
installation and advise
them
not t
o
operate
the
unit
if a
drop
in
pressure is
observed
on the
pressure gauge
indicating
a
loss
of
water from
the
system.
Finally advise
the
user
or
purchaser
t hat
for
cont
inued
eificient
and safe
operatton of
the appliance it
is
important
that adequate
servicing
is
carried
out
at intervals re
co
mmended
by
the
Loca
l
Gas Region.
Worcester Heat Systems
Ltd.
will
be
pleased
to discuss and
offer
a comprehensive
maintenance
contract.
15.
ROUTINE CLEANING AND
INSPECTION
1
.
The fotl
owing
should be carried out at peri
ods
not
exceeding
one year.
(a I
Carry
out
a
pre-serv
ice che
ck
and
note
any
operal'ional
faults.
·
(bl
Clean
the fan.
lcl
Clean
the burne
r.
(d) Clean the
heat
elCchaoger.
(el
Clean
the burn er and pilot
injectors.
(f)
Check the
condition
of
th
e
spark
electrode
tg)
Chec
k
the
cond
it ion
of the
combustion
chambe
r
insulation.
(h
1 Check that the fl ue
terminal
is unobstructed
and that
the
f
lue
system,
including
t
he
f
lue
canopy
assembly,
is sealed
correctly.
m
If
t he
Dppliance
has
been
installed in
a
compartment,
check
that
the
v entilation
areas
are
cl
ear
.
SOME OF THE S
ERVICING
POINTS ARE COVERED MORE
FULLY
~N
THE
FOLLOW~NG
lNSTRUCTIONS.
Advertisement
Table of Contents
