The Furnace Controls And Functions; Gas Gun Gas Valve; Model Af-9 Beckett Burner - Nordyne MGHA-056A AA FC-02 Installation Instructions Manual

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FlguN :13.
Ga Gun
Gal V.....
I
Factory Combustion Air Settings
MBHB· 066
=
1112t02
MBHB· 086
=
3
MSHA· 066 = 4
MSHA-086=5
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THE FURNACE COHTIlOLS AND FUNCTlONS
1 ()n..()tl·Fan Swlldl- ThGlWItCh
turns eleClnCalpcJWerlO
.... f...--:eonan:l otl.orlumt lI'IebioweronconllrluDulfy
d
set ..,.,.,.
"Fan-
P<J
I I
m.
The
S\WCIl musl De HI WI"'"
"'On-
po5IlIOn
lor"'" tumac:e Jo opetille ........ooWE.lllheo .
m.-r.
IS
a
possbll1y
at
II'le
tIIower
00fT.-.g
on
per1CldIo:dr
01'
opernung
conI~duelO'
heat
l)IJjd~
WIlIwlIhe
tumace t"JI a
corrOnlItoon
01
""arm_ather and
IlNl
from
!he pilot
Thos IS
normal operallon as long as there
1$
PQW9r
10 tOO
lumace and I.... Qn-Olt·Fan sWllCh IS at
the
'ON" pasno:;>n.
It
bIowe. operat,on
'5
nOI desired.
1tle
On·
Qtl·Fan sw'tcn may be sel In tile "'OFF' f)(l5,tlon 10 Cull....
e-le<:tfl<':al power
to
the furnace
2. LIn'IIt Contml • ThiS furnace IS protllCted by IwO Mign
temperature "",IUIY I,m;t SWItCheS. The aU~'liary (upper~
lomlt
SWItCh and
the
">go temperature Oowe,) I,,,,,, sw,lclI
ar. automatIC reset types. It ,nher
h""llrlP5.
the burner
WIll
shut
011.
"erttler
h'IIII S"MlCfl
'f1psott
19"' 500n alte,
ruett,ng.
set
lhelumace Qn-Qt1·Fan IWl1eh 10
the
"OFF"
IXIMoon and cag your authonzed serw:eman.
A
DANGER:
eelOle placing In. fu~ In service
it
must
be
cheeked to make
$1.1...
It i. equipped
forthe type
01 g•• being used..
The
burner name must also be
observed and adjusted If neceuary. Failure to
observe this caullon may reault In unnf,
oper.uon, explosion and/or fire, or ••phyxl1ltlon.
~
the
following Hctlonl ~G •• SupplyM and
"Combustion Alr.~
3 Gas Valw!· (UG. MM. and MB) ~ \llIS"'...... torlhe
gas
l...-naces
ale I l00"J.
shuI-off type
and
"'I.~
sate
d
ror some reuon me oas
1S!<.me<! otl, The
v.....
IS'
"slep-open.type
wIw;t>
mea""
I[
opens
10. "kIw-11ft!-
pos.toon.
andafle<.1ew _ .
-st~.I0
. . . .
lu" •
4
Roll Oul
SW'IICIl' (MG· 056. 070& 077)
The tumace
IS
proleclOO
tJy
I
manual
resel safety S>¥lId'IlDc:ale<1 on
the
lower
.If bOx.
S Od Bumer Pnmary Control -
The
pnmaty control 10<
ool
gun fumaces starts
lhe
bumer.
m::KlltOr,,;.
5lI1e0Pll'/8'.ng
cycle, and shU1S lilt I:>Unler oft allhe end 01 • healing
cycle. The control uses a tignt sens,,,!! tranSd..ee, to
determine If fu~ ,gnit!Ol1 has been soccessfully all.,Red
It 'Ilntl'oo IS not all.tned
by
the end 01
the
safety I{lMI()(l
tlmong p.mod, the control shuts lhe Dumer oll and ,nters
"1oc~-oot
-
6
a. Summe<
Coohng . (A-wnes lumacesj; Your lumace
1$
eQUIpped 10 oPe<al'
!he corculalng Ian only Tuom 1Ile
()n..()II·Fan
SWlICn
10 In.
""FAN"
poslOOn
dunIg _rm
_alner The tIIOwer
WIll
now
opera..
10
arculIote
.O' ...
...... home
1IYouIJIl1lle
duct
sysletn.
b St.mnlefCoolong-(S_lumaces): Yourlumloce
IS
AJC reilly.
fq"~d _
AJC relay and translotme<.
The
utili
IS
equoppeo
10
use •
4'WlfI! lhennostaL
When
uwoga
5-.WItfIlhe<mostal. RC
and RH sh<.>I*:Itlt'
Jl'I'I'II*1
(see onsllUCl101'l$
onel'-"'ed
WIth lt1ermoslal), n a 2·wrt8
thennoslat
1$
used _h the 6·senes furnaces. 'I WIll
be
necessary
10
usa 2'w"e retay kn. (pin
'902649)
_ _ _ _ _ _ _ _ _ _ _ NORDYNE - manufacturer
01
lntlH1herm and MiII,r products. _