Converting Trane BAYSTAT240 to Honeywell TH52 - http://www.hvacmechanic.com/ Forums

Original message

ccnkbennett

67.58.73.126

"Converting Trane BAYSTAT240 to Honeywell TH52" , posted Tue 20 May 18:29

I'm trying to convert to a programmable Honeywell Thermostat. BAYSTAT240 uses:

Color Purpose
Red R 24vac
Brown T Thermister
Orange O Reversing valve for cooling
Green G Fan
Yellow Y Compressor
Black X2 Heat Strip = E
Blue B Common = C
White W (jumped to U) Heat Strip Aux

Honeywell TH5220D has

Y2
W2
G
W
C
Y
R
Rc

ccnkbennett

Replies:

Houston204

98.196.66.53

"Re(1):Converting Trane BAYSTAT240 to Honeywel" , posted Tue 20 May 18:40

Refer to the heatpump labels.
R & Rc = red
Y = yellow
C = blue
O/B = orange
G = green
W2 white
E = black
option 1 = 5
option 2 = 0
option 3 would = 1 if it appeared, (but it shouldn't)

"Tip of the Day" Remember to remove power first.