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Ask Michael Ferryman Your Own Question
Michael Ferryman
Michael Ferryman,
Category: HVAC
Satisfied Customers: 81
Experience:  Operating Engineer at NRG Energy
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On Model F t359 03028 df1 and df2 is that the defrost modes,

Customer Question

On Model F t359 03028 df1 and df2 is that the defrost modes
JA: I'll do all I can to help. How long have you been dealing with this?
Customer: 16 hours using Emerson Universal defrost board converting it over to the Nordyne board
JA: Do you plan on doing the work yourself?
Customer: Yes I'm retired HVAC
JA: Are you an HVAC professional?
Customer: Yes
JA: Anything else we should know to help you best?
Customer: I am crossing over a White-Rodgers heat pump defrost control Universal model number for(###) ###-####truck from or from a(###) ###-####sport
Submitted: 5 months ago.
Category: HVAC
Customer: replied 5 months ago.
I have a model ft3 5A 303 Ka two and a half ton split unit heat pump I need to know if df1 and df2 what they stand for Alto what their needs are the orange I believe it's common that blue I believe is fan the black I believe his power am I correct on this unit
Expert:  Michael Ferryman replied 5 months ago.

no your thermostat wires if the united is wired correctly are, red is hot, green is fan, yellow is your compressor, orange is your reversing valve

Expert:  Michael Ferryman replied 5 months ago.

the blue wire is common