3-90-70744R11_05/13
Furnace Installation - Wiring
Wiring
%HIRUHEHJLQQLQJDQ\ZLULQJVWXG\WKHDSSURSULDWHZLULQJGLDJUDPIRU\RXUXQLW$OVRUHIHUEDFNWR¿JXUHV&RU'IRUDQ
example of what the completed ob will look like
It is your reponsibility to follow all state and local electrical codes.
/RFDWHWKHEHVWSODFHWRURXWHWKHSRZHUIRUWKHEORZHUDQGGULOOD´KROHLQWKH¿OWHUER[7KLVKROHVL]HZLOODFFRPRGDWH
D³URPH[´FRQQHFWRU$WWDFKWKHEORZHUDQGSRZHUZLUHVDVVKRZQRQWKHDSSURSULDWHZLULQJGLDJUDP
Once you ha e the plenum installed the fan control with high limit switch can be installed The Fan control/high limit switch
is packaged with a umper between the two sets of terminals inside REMO E THE J MPER WIRE I SIDE THE FA
CO TROL The fan control should be installed in the right side of the plenum and 12 to 1 inches abo e the top of the
furnace A separate conduit should be run from the fan control to the unction box
Mount the thermostat in a central location of the area you want to heat Run two wires to the unction box from the heating
terminals on the thermostat 22 gauge or thicker wire is acceptable
The next step is to run a 120 olt line from your breaker panel to the unction box Attach all wires according to the
corresponding wiring diagram and install the relay into the unction box DO OT T R O THE BREAKER
TIL ALL
WIRI G IS COMPLETE A D THE RELA IS SEC RED
SF1500 and SF2500 Wiring Diagram