Service Guide; Burner Adjustments; Combustion Air-Gas Gun Models; Gas Conversion - Nordyne MGHA-056A AA FC-02 Installation Instructions Manual

Series mg, mm, ms and mb
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16. SERVICE GUIDE
BURNER ADJUSTMENTS
Burne,
selllngs lind
IdjLJSlmenl5 Irt made al llle laClary
Howa...a'.
1l1li" "llI"9s
mlY cnanga du"ng stupplng.
handling.
and mS!allalOOtl,
The',efa<t the'
(ollOWlng
'Iems
should be
checkll'd and ,..dlLJS1e1l
rl
necnNry
Almosplwnc Gas Wl(n Stand,ng PdOI and DI/8Cl IgnolOOtl
Furnaces. lnellOd,ng Gal Gun.
a.
G8sP~
..
The gas PAn$UffI can be
cnad<ed
WfIh ..... nomete<
II lhe pressure tIP Iocaled on !he soda ol !he gas
valve
The
illS .....
rve
Pffl$ure regulator can
De
adJUSled
Dy
_ g l n e regulator
5aleet0< SlaCk and
tu",,"g !he sIo1ted
If\MfI
loCIted dlrec:tty under
tne
Sill :101' S1'JCk.
The regulalor
sel!etoo
stack
mLJSl
be
secured on
place
before Metl pre$$Ure readong IS
takelt.
NaIJ,.Ql
gas
mandoId
pressuIe
should De
3S
W C ..nd LP gas
marWokl Dre».....
$MIUld De
11·
W C Replace me
\)1$
presslJI'elap plug on thll
gas
-
tl
PlIOI
A;une
(SUlndll'lll
PIIoI
0r0Iy)
The pololllame can
De adjuited
Dy IlII'lWllIlIle poloI
aljusImenl~,
localed on lOOol thll gas
'I3IYe
(see F'IIIJ'e 30).
The
same polol ontloa IS used WIth
bOlll natural and LP
iii"
COYBUSTlOH AIR-GAS GUN MODELS
In otdet 101 thll Ilame 10
bum
eIIOC1tM\1, "
must
recew
<ldequalll
COlTlOUSllOl'la".
The
amounI
ol
ccwrQ.lIllOn ...
c.-.
be
Changed by oPe<I-bng
Ihe
lllJI"ne( ...
ahulIet
IIdIuslmenl
rodlOcateoon
lroe 5Ideolme ....
onltll)Oll
Tile
~
rod
IS sel
1.\
an AVERAGE POSIlJon at 1l1li lacIOry wt'octI IS
sanslaclOfY lor
most
JocallOflS and appIcaloons
The
amounl
ol cormusbOfl ...
req...
re<I
WII ....
ry
llependong
on IIlldUOl!.
acIual BTU
COnlenl clll>8
tueI Deo"ll
UMd.
\)1$
prflS...
e.
corMIrsKln to al'lQU'lllf gas and
0lIlll<
laetors
The Ilumer
Ilame
snouId
De
observed and any
,,*ISSa'Y
adlUSlmentS
rnadO
tlIItore
IN
furnace
1$
placed
onto
5IItVlCe,
A
CAUTION:
• Combustion air adjustment muat
be made
only by a qualified tec:hnleian. Imprpper air
adjustment may eau. . un. .'a oparation,
explosion ar'ldlor 'Ita aaptlyxlallon.
• Itthe inputto the 'urnaeel,too great bec:fluse
of exce..llle g. . pre. .ure, wrong stu nouk:
o,onflee, high altitude, etc., the
burne~
!Iame
will be sooly and can produce carbon
monoxJd., which could r••ult In un.af.
oper.tlon,
explo,ion
.nd/or lire
or
asphyxlalJon.
085 Gun
CombuSllon aor adju stmenl IS made 10
Ille
ma' nllu,ne,
by kJosenonglhe lock nUl on lite p13sue
"f
shuner,
located on ll1e side
of
the plaslic bUrner air inlel bOo,
Move
lhe lhreaded
rod
10 a smaller numbllr (counter·
docl<:Wlse) lor less aor. lO I 13rO'f nUmbe' (clocl<:WlseJ
tor more "or. Tig!>len tllll lock nUl ah., cOfTll)lehng lite
..djUstment. Fo, beS! resuns. use onstl'\lfTle<llS 10 me.·
su'e between 9-10"" CO:! ahe'
1l1li
COf7'ClUSIOOtl aor
has been
adJusle-d.
Oil G... Only
n lSadvtsable to use onstrumenls lor mao'nun pe<1or.
manee
and ettlCK!ncy.
t1I1'lSlrum.'lls.re used.
read·
,ngs
st>ouId be
11-1.... CO:!. Wlln IlUfT'lJer 1 smoke
or
less. and 0 to 0.02 negal..... drah
0\IIIf
hre
Electrode setting (Oil 0 ... Onlrl
Poor
IgfIIlJOn
01 me
oil
spqr may red
~
thll eIIIe·
lroDeS ar.
no!
adjusted as
shown
on Fil;lu'. 301
Do
no!
perJTIII
""y
electrode-s 10
De
g<olJI'Ided 10
any surface
GAS CONVERSION
Th:sgastued
l'Ieabng
~
_sshIpped from!he 1.clOIY
101 use wet> nalUral
gas.
lioAt.e•• thll
~
can De
convened
tor
use _
LP.
gas.
lJM thlll.........
'Il1)l'O(:ll(luR
101 OilS conversoon ol
me oumer
ATMOSPHERIC AND DIRECT IGNITION
FURNACES
a.
Follow the
,nslructlOflS
10
-rum 011 Gas
10 the
-"
b. DIsconnect
me
gas PlPIIunoon
and me
eIecIncaI_
connected 10 the Oils vaNe
c
Re""""" thll P*JlllAle
and
l ~
from lIle
gas
......... (MG,MM).
at
d'S""hoea
gas
bumll<
NClnc
cord. gas popong to llumer. and lite, IIlOSl.IllNdl (MBI
d. To remove Ihllgas valvoJ .. ssembIy,.....,...
hoIch.:on
..nd
SCtl!W
lrom gas vaNe btaeke' Gas ",lve and
$plOd marDeremoved. Onllce IS localedallheendol
!he
spud
(UG.MM) .or
remCIYI!I
Irw... (3) bOlts trom
u-
shaped
marulold plale ..nd o<iIoce assembly (MB).
FigUrII 35.
"
- - - - - - NORDVNE - manuflclurllr ollntertherm and Miller products

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