Sears 9MPD Furnace User Manual


 
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CONNECTION DIAGRAM
DANGER: ELECTRICAL SHOCK HAZARD
DISCONNECT BEFORE SERVICING
-- LINE VOLTAGE FACTORY
LINE VOLTAGE FIELD
-- -- -- LOW VOLTAGE FACTORY
-- -- -- LOW VOLTAGE FIELD
-- i = INTERNAL CIRCUIT BOARD WIRING
-- -- RECTIFIED AC VOLTAGE FACTORY
NOTE:
MOST VOLT METERS WILL READ 13-16 VOLTS TO
CHASSIS ON BOTH SIDES OF AN OPEN LIMIT OR
PRESSURE SWITCH IN THE RECTIFIED AC
VOLTAGE CIRCUIT
COLOR CODE
I SPEED TAP CODE BLACK BK
BLACK HI BLUE-MLO BLUE BL
ORANGE-MHI REDLO BROWN BR
GREEN G
ORANGE O
RED R
WHITE W
YELLOW Y
PURPLE P
SEE MANUALS FOR ADJUSTING SPEED TAPS FOR PROPER HEATING, COOLING & CIRCULATING SPEEDS.
LADDER DIAGRAM
HOT 115V*60HZ NEUTRAL
I_NTERLOCK O--111 t i
SWITCH GND.
L P _(_ _ COOL HI(BK) NI'
lL _ 10 HEAT MHI (O)
: iF"_,,.,, _W- _) _x/,.-.._ II
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II II
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FUSE
FURNACE
CONTROL
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EACOI:= _ :_
N
HUM_= _ :_
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ROLLOUT SWITCH
1TO 3 IN SERIES
DEPENDING ON MODEL
PRESSURE SWITCH
li I TO 2 IN SER,ES
DEPENDING ON MODEL
IF ANY OF THE ORIGINAL WIRE AS SUPPLIED WITH THE APPLIANCE
MUST BE REPLACED, iT MUST BE REPLACED WITH TYPE
AWM _ 105°C WIRE OR ITS EQUIVALENT
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