Conversion - Worcester Greenstar 12i System Instruction Manual

'
' '
'
'
'
'
,
I
\ , f
\A
'
'
0
••
c
'
',
-......-=9,'
~....
;
........
_____
....
,.,.
...
,• \!.),..-'"""
,
,
,
,
1.1
'
'
q
•
,
•
,
'
2.1
'
•
•
/
,' ,
,
,
,
I
I
,.------
•
•
·-- ..
.
'
' I ;
\
I ',
,.. ,1 \
'
.....
/
....
-·
-·
Code plugs
. . ..
_
-
, ;
2.2
',
'
\
'
,
,
,
,
,
, '
./
',
'
2.3
,'
•
•
'
•
'
• •
•
•
,
, ,
,
8 ..... ""
-
-·
c
,
,
I
I
,
.:::~:':""'
...
/
....
12kW NG with internal diverter va.tve • 112 12kW NG with extema.l d iverter valve · 108
12kW LPG w ith intemal diverter valve· 113 12kW LPG with external d ivertet valve · 109
24kW NG with lnternal divert&r vaJ~ · 114 24kW NG with extemal diverter valve ·110
24kW LPG
with
intemal diverter valve • 115 24kW LPG with extemal d iverter valva · 111
::n.,ORCESTER
Bosch
Gro-..p
INSf/lt.I.ATION 4 SEIMC1NG INSTRUCflONS FOR ...,'t)qCESfER GRE£NStAA I 3 ~~ &,s~
87!61120!i!ill{bol10!1)
L. P. G. CONVERSION
ISOLATE MAINS ELECTRICAL
SUPPLY AND REMOVE OUTER CASE
AS SHOWN IN THE INSTALLATION,
COMMISS IO N ING & SERVICING
INSTRUCTIONS
11·1 ,:_:+:_,··.J'·/1
...;- ·-~:+:_:,'.;
r,., __
l~_-> 1
-,: L
c.rv .. '.;
1
-~~
r_:l_;·
,->y ,•\
(.:H/1' 1 ' I ' < --1<-c,~;'.
r :
r,:,L-; NO T
3::
.~TTE!,,.;:·-:-:::::1 l_~'·l_E~"i~"i
--tE
;:·E~:~.:~·'.J
:~!,:;;;····I';C
C+
--tE
CC!·,',:E;;·c:lr~:r·,
I';
':_~I_. :.:·f-'l.l~ ··~'.' I ll · ! .. -.C·\IF'.I''.-
•:_:+!,
!'.'·~·"· .,.~, :_ 1--:
r:-r·. , r,::• -,'·,11 ' <'• : r:-
H~-;
·. ' "'- ' -. ' /·1-.
~~C·\IP E-::r,-
\ - .;::
'-~3E
I mportant:
The appliance &h~ll not be tnstalled
into a room or internal space below ground
level when it is intended for use with LPG
{propane • G31). This doos not preclude the
installation into a room or space which is a
basement on one side of the
building but open
to ground on the opposite side.
I nstallation Regulations
In additio n to those specified in the main
booklet th& following standard appli&s when
converting to an LPG applianc&: BS 5842
Domestic Propan e Gas Burning
lnstallattons .
All conversions
wiJI
require the air gas ratio to
be s et correctly for the g as used. The
proeedure for setting the air gas ratio i·s at
the rear of these instructions.
1. Moving boiler contro l to service
position
• Remove boiler case, as rescribed
on
page
36.
1.1 Remove screw
(A)
from retaining bracket.
1.2
Lowe.' control panel into service p0$ition.
2. Gas valve
• Isolate gas supply
at
boiler gas cock
2.1 Remove wire dip rr· o m gas vatve outlet then
pvll valve outlet elbow free from
gas valve.
2.2 Undo bottom gas connection to gas valve.
2.3 Undo two securing screws (B) on the
underside of casing.
• Pull
vatve
up and forward out of boiler.
• Disconnect electrical connections.
• Fit plastic retaining
nut
to the ouUet of the
gas valve from the kit and hand tighten.
• Replace valve with oow seals.
• Check
for
g~s
soundness.
3. Valve outlet elbow
• Twist tetainlng clip (0) to telease then
remove clip and tube.
• Refit new valve outlet elbow and secure
with clip.
4. Code plug
4.1
Remove
3
screws {D) retaining plastic
cover at rear of control box and temOY&.
4.2 Replace code plug (E) with new
one
supplied with
conversion kll
• Repliice plastic
cover.
• Race
control in nonnaJ position
and
secure
with screw.
TH E GAS I AIR RATIO MUST B E
RESET AFTER CONVERSION. THE
P ROCEDUR E CAN BE FOU ND IN
THE REPLACEMENT PARTS SECTION
OF THIS MANUAL.
LPG CONVERSION