Need help with a SF 30 Suburban Furnace
My original problem was the usual story. The fan would come on and the furnace would fail to light and the fan would then shut down. I, standing outside could hear the switch and smell gas but the spa...
Forum Discussion
enblethen wrote:
It is the two blue wires that come from the thermostat.
Red and yellow is the 12 volt DC supply.
The wires from the thermostat are black, green, yellow and white.
The blue wires are both on the heater side. They are blue, blue, red and yellow.
Thermostat__________Heater
black------------------------red
green------------------------blue
yellow-----------------------blue
white------------------------yellow
