Troubleshooting; Standing Pilot Models; Direct Ignition Furnaces Including Gas Gun - Nordyne MGHA-056A AA FC-02 Installation Instructions Manual

Series mg, mm, ms and mb
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t
e
Aepll.ce In. maUl oriIice Wllh
the L.P. lid
Ofdiee
lupploed WI the envelope located
try
tile
lIU valY9
CIMlck
10
lfWi,lWe the
onfice
sue
I'nlItd'Ie$
\/'Ie
Nlmeplall.
•.
It
l$ II(J/
~syry
10
con"'ll'
/he
piIot~.
II
For 1I>e gill Villve WIItlIhe .egulalor((ll'lVef\ef (Figure
351.feITICl\Iethe
DIiId<~andloFlSCtewu..
oonve,,*
IoCllled
on
top oIlhe
91's valve. Inve<t
I".
convene<
(For
LP"
Ihe
mel
nng
WII be located lIthe botIomand
Ihe
'"lP'
s ~
on me conYI!ner
'NIl
appeat
nghl
IIocle
I.CI.)
n-
screw
conve<te<
bKk.-.o II'le rtgo,AlOl.
t>Iond toghl
plus 118l1.m. and replKe
IIle
bIIck
~
oNo
IN
convener
lOp
10 prolf!Cl the
~.
I\.
RNuemble
the ~ ~
"*'
u..
"-""*-.
.. F!Koo •
..el1hil
gas
~
and lllIctncaI_1O
the
,.,
....
t-
()pen the manual shuI-oll valve end lolow me
FURNACE START·UP procedure
U
oullmed
prevIOU$ly
on thls manual 10 puI
!he
furnace IfIIO
opel'l\lOI'l.
NOTE.
Thepolotllameos
adlustableby turrung IN! edlustmenl
$Crew
localed on
the
gas valve ...
1tl OJ
SIT\llI sere....".......'. (see
Figure 30)
TROUBLESHOOnNG - STANDING PILOT MODELS
Mllin Burner Doe. Not Come On
So
Cneek
Ih,
electncal supply to the furnace
b. Be
su'.
rhe furnace On-Oil· Fan sWItCh is in
the
"ON"
POSit"'"
c. Check to' proper thermostat operalKKl
d. Chtck lor broken 0' open thermostat
W1f"
e Check to make sure lhe
,nsu~tlOn
Io:laIled on the
,nSlDe
0/ the
lronl panel'S glued securely around Ille
1/11' 1 $Wlleh and the
~rnII
swnd'l
Shul of!
the electncal supply ro the tumace and
.emove the electncal 00_ CCM!r
Check
10.
a aeleel"'" uarl$lorme<
Check electncal CU'Cl.OIlor prcpe. gl'OUl'ldong. POlf,my.
,na make $tire I.... eIoctncal
conne<;to)nS
are \lghl
Check 10 see
~
the Iowe<lIIfruI
S'NIIClI
may hlI...e
IaoIed
00"'"
9
~Ihe
OIIoIctncafba_COWIf
am.1I'SlOre
~
~
10tnelumac'L
Tum
the
On-on·F.."""*,,,
10
"ON'"
and . _
lne
\hel
mosw
seIlInll
8llOv'e
room
1,",",,*,1""'.
Check \or
2~
w*s
a11he gas valYe
Replace the
gas
valve • the pdo!lI eslabllllled ana
A aoes nol open when
powered
WIlfi
2~
_s
h. o - k """"""
.ese!
bmIl SWIICh Iocaled
,t
lOwe....
po_ ne>:110 COfTblSloon a"
chute
Gill
V.w.
Powered
(24
voIfS~
No
U.in
Fill....
,
T!'Ie'
manual Shul""," valve mUSl be on.
b
T!'Ie'
p,1ot Il'me must be established
C. The II"s valve conlrol
!eve<
musl
be '"
llle "ON"
pos<tlOf1.
d Cl\eCk gas p.essure coming to ttle gas valve.
a
Replaca The gas valve
if
the main
b~r~.
dOfS not
come on
~""er
the above conditions.
Pilot Will Not Light
or
GIHI. Out
•. CheCk The inconwl(l II"S pressure.
b. Check
tor the proper pllot OI1IO(:e. SoH the nameplate
SPECIFICATION.
c.
Chec:k!ofproperpilot'......
~see"BUFlNEA
ADJUSTMENTS·
d. Check the
tt.e<lliOCOUPIe m6wIlage.
~
should
re~
t>erw..n
18 IIIld 30 lIN.
~
the closed
mihoII
r e - . ; J l I n o l _ 18and30
....... Ihe
gas
valve
electtomallne1
may
be
aeleeuve.
Rep!aoIIhe
gas"""
~
. .
""ry.
e.
Be
s..-e
the pilot
IhoeId .... p/Ia:
t
Check !of 9'!'S
ltalls ..
The pilot . .
or
the pilot
"""",.
II Check
_flue
assetI"Itlly 10
maJ<e
sure
all
COf"Il
oecDo< ..
~-
h. See
the FURNACE STAl'lT·uP plocedU'e
lor~""ung
det.!ils.
.u..",
Flama
Is
Hot 811fT1ing
~rly
a. Check the marnlold gas pressure
b
Check lor
the
correct ma,n burner Of'doce.
• See
lhe nameplale SPECIFICATION.
c.
Ched<
the fluelorlfly
bIocka~sorloo&econnedlOMS.
d. Check the comIl\JStlOf1 /Ill passages 10. tllockage.
High
GIIS Bills
a
Be sure the prope' o"r>c:es a'e being used.
b
Be sure lhe rerurn a,r syslem 's clear and hee 01
"""''''
c
Be sure the 'urnace hiler
is
clean.
d. Be sure lhe nome
is
insuIaled, lhal WIndows and
doors
f,t
bghUy. and thai lhere are no leaks on
TtIe
heanng duct sy$lem.
e Ched<the roomthermostaltOllll SUleTtle seU"'ll1S nol
higher than neces.sary
Low
ho,modrly
reqlllle5 hfgher
temperatures kif _
SlI....
level
at
comlorl_ Checl< \or
prooer hurrocMy
level ..
the I'Iotr'Ie
TROUBLESHOOiING·
DIRECT IGNlilON FURNACES INCLUDING GAS GUN
Burner Motor'
Doe. HoI
Run-
71wnnost.llt
eMls
FOf' HINt
a
(lefeewe
Iherm(l$lll1
an:ul .
jUfl'lpO!I
T. T
cooooecDo<
II
on
ourner
jUflClJon oo~
(IJI'S lIun) or - . and red
\OOPnosLlltlow
voltage
leads
(stancla-rd dlreel
ognotoon
moael)
"the
burner molor
~.
ched<:
Thermosl,U
o;onne<;'IlI)n$
Them'lOSlal
b
No
voltage 10 ronuel mooule· determne. 120
voIls
IS a""oable 10 the control
fl"lI'JOIje
It
voIt"'~
IS nol
available checl< for
Blown
tuse.
COICl.OI breaker. no eteclncal supply.
tllM SWilch open
Loose cormeC100ns
NORDVNE· manulactu.a. 0' Intarth-enn and Millar product,.
_

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