Sears 9MPD050F12B1 Furnace User Manual


 
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CONNECTION DIAGRAM
FIELD
LADDER DIAGRAM
WARNING: ELECTRICAL SHOCK HAZARD
DISCONNECT BEFORE SERVICING
R MAi-NUM_-TQ R Q ......................
ROLLOUT SWITCH 1TO 3IN
CONNECTION I C1 ----- _ R SERIES DEPENDING ON MODEL.
BOX INTERLOCK | _ GAS VALVE I .....................
SWITCH [- _ | 1612t - ----- _ BL _ PRESSURE SWITCH
115V _ SK _ P Ji _ : 1TO 2 IN SERIES
60HZ NEUT_RAL_ t''''_ I I - --BE t _ r--- :DEPENDINGON
*GR I I IbOI ! IGNITER " I _LY-gTJ _ MODEL
/_ _1 I L_ I r_F q :: / /_/.L//NOTE 2
" HI VOLT FIELD _ C2 q
_ELD) I| SENS%--_I C_i/ L_
co_#_TC%RSI BL _ _3' 1 , ,
ONLY W I II191 ,I I I I I I............
I I I L,I|,_-C% I_ s'KI i tLP_
.... p BK , BL SWITCH
I L_ ? !, % E_K O I I _,l I LP MWoIDTECHsONLY)]
BK-- ' , L q
TRANSFORMER j
i,.....co_,J,__-.--,_1 Id|l II ,,F'ELD'NSTALLEB),
_ 11,)_2cCOM b_Z/I jl _,l_llll I w _ i _1
I _ DATA I UI I BKw
.... N
I b c FURNACE _ L1 1 I v _ I BR
I I -----le_ _o > COoL_l I F1
I II _ G
' I | I I CAPACITOR
I I Y I CAPACITOR SL | 0 I ] SOME MODELS)
I ii I [JB R s_
,,
@-"_ III
___ _ 0S_:__ _- i _:LOt CO_ORCOD_
THERMOSTAT _ I(_LAC_EP_MHIRED:LO/ _L_OK_
NOTE: 1, MOST VOLT METERS WILL READ 13-16 VOLTS TO -- LINE VOLTAGE FACTORY / BROWN BR
CHwASSIHSIOTNHBOTHSTIID,ESDOFcAvN(OPEANLtMITcOLRTPRESSURE -- LINE VOLTAGE FIELD oGRRAE_NE 0G
2, FACTORY CONNECTED WHEN BVSS, (CHIMNEY ADAPTOR LOW VOLTAGE FACTORY |
ACCESSORY_,T)ORLPPRESSSW,TCS,SNOT,NSTALLED---- LOWVOLTAGEF,ELO/'%E _'
"_ SEE MANUALS FOR ADJUSTING SPEED TAPS FOR RECTIFIED AC VOLTAGE FACTORY | p
_ INTERNAL CIRCUIT BOARD WIRING YELLOW Y
PROPER HEATING, COOLING & CIRCULATING SPEEDS. | URPLE P
HOT 115V.-60HZ NEUTRAL
/_ INTERLOCK 07 /_
>SWITCH GR
q _ _(_ i_) CONT (OPT) N ::_
II oM1 MLO (BL)
_) M2 LO (R)
H It
H
H
:::::::_ _ EAC
_ _ HUM
(_: uO_ 115V,
L1 _ TRANSFORMER
(_ 24MAC O_
COM
5A FUSE
FURNACE
CONTROL
@©®Q_
I I I I
I _1-1
I ....
H
(SOME MODELS)
N _
EACC _:
N
HUMO==== :_
N
o== =:=6
ROLLOUT SWITCH
1 TO 3 IN SERIES
DEPENDING ON MODEL
i @ MAiNLIMI_ _)_
5 1 PRESSURE SWITCH
! DEPENDING ON MODEL
L
_ -- i_o_--- 1
c N r i_ SWl FCH
BVSS !I I(FI............ ) I
"_ _ IF ANY OF THE ORIGINAL z_NO_E 2
WIRE AS SUPPLIED WITH
k : THE APPLIANCE MUST BE
I REPLACED IT MUST BE
REPLACED WITH TYPE
AWM-105_C WIRE OR EQUIV,
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[329530-101 REV.A I
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