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Old 09-30-2009, 05:06 PM   #1
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Totaline P286-1200 Wiring


Hello people,


I recently fried my thermostat, don't ask , and am replacing it. The old thermostat was a Robertshaw 9620 and I'm replacing with a Totaline P286-1200. The HVAC system is a builders grade Goodman Heat Pump with auxiliary electric heat. I have all the wires connected except for the emergency heat wire. Below is a "table" of the wire connections "old" and "new". Basically I need to know where should I connect the BROWN (emergency heating) wire on the new Totaline thermostat ?

Robertshaw
term => color
C => BLUE (COMMON)
L => NO CONNECTION (LED)
R => RED (24 VAC)
Y2 => NO CONNECTION (2ND STAGE COOLING)
Y1 => YELLOW (STAGE 1 COOLING/HEATING)
E => BROWN (EMERGENCY HEATING)
G => GREEN (FAN CONTACTOR)
W2 => WHITE (2ND STAGE HEATING)
O => ORANGE (REVERSING VALVE COOLING)
B => NO CONNECTION (REVERSING VALVE HEATING)

The connections I made to the Totaline.
term => color

I2 => NOT USED
I1 => NOT USED
RC => RED (24 VAC COOL)
DH => NO CONNECTION
H => NO CONNECTION
C => BLUE (COMMON)
Y2 => NO CONNECTION
RH => NO CONNECTION (24 VAC HEAT)
OBW => ORANGE (REVERSING VALVE - 2ND STAGE HEAT)
W2 => WHITE ( 1ST STAGE HEAT)
G => GREEN (FAN)
Y1 => YELLOW (FIRST HEAT/COOL)





Last edited by HTBuilder; 10-01-2009 at 09:56 AM.
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