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Sandpiper 33ft ac question

Vipergtrdj
Explorer
Explorer
Recently picked up a 1997 33ft sandpiper TT. The previous owners wired the AC always on, and has no thermostat. I cant find any diagrams on how its wired. Looked online and came up blank. There are 4 wires, blue, yellow, red, orange. The Y,R and O are wire nutted together and AC blows cold. What is the blue wire? It's not connected to anything.

The unit is a duotherm m#57015.621.
2 REPLIES 2

wrgrs50s
Explorer
Explorer
The blue wire probably relates to the furnace unless you have a separate thermostat for that. You might try looking up a schematic for a duotherm thermostat rather than the AC unit.
Walter and Janie Rogers
2012 Sundance 277RL
TV 2006 Silverado 2500 6.0

WayneAt63044
Explorer
Explorer
None of my drawings (old 2000 or new 2012) have an orange wire listed for the duo therm 57915 although both old and new are the same. Perhaps someone has info on a 57015 although I didn't find it on-line.

Actually full time cool would sound good to me today as it reached 100 degrees here.
2012 Forest River V-Cross Vibe 826VFK
pulled by 2009 Ram 1500 Quad Cab Hemi