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Question

We are installing a Centurion 80% Upflow furnance and need to know whate electrical wires hook up to ..there are two wires and 5 w,g,c,r, and y hook ups ..which go where is the question..

Submitted: 284 days ago.

Category: HVAC

Value: $9

Status: AWAITING CUSTOMER ACTION

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Posted by Kenton Guidry 284 days ago.

Answer

The following are the typical connections used.
W - Heating
G - Fan
C - Common 24v
R - Power 24v
Y - Cooling

For the thermostat you would connect these wires to the terminals stated above. On the furnace side there should be a terminal strip as well. Please tell me if this answers your question.

284 days ago.

Reply

so what wires go to which letters?

Posted by Kenton Guidry 284 days ago.

Answer

White - W
Green - G
Yellow - Y
Red - R
Blue - C

283 days and 23 hours ago.

Reply

i did hook up but nothing happens just a little red light goes on i will pay more for your help

Posted by Kenton Guidry 283 days and 23 hours ago.

Answer

Can you tell me where you see this red light

Posted by Kenton Guidry 283 days and 23 hours ago.

Answer

Most new furnaces have a blinking light to indicate what type of problem you are having. There is also a reference to which this light indicates on the unit. More times I see this reference located next to the wiring diagram. You do not have to pay more. I am happy to help you untill we have this figured out.

283 days and 23 hours ago.

Reply

the light is on right hand side of control board...status light close to letter y on hook up board
when power is turned on red light goes on and cycles off

Posted by Kenton Guidry 283 days and 23 hours ago.

Answer

ok, can you see anything on your unit that shows what the blinking code stands for? Also can you set the thermostat so that it is calling for heating?

283 days and 23 hours ago.

Reply

no how do you do that?

Posted by Kenton Guidry 283 days and 23 hours ago.

Answer

If you are refering to turning the heat up, simply set the temperature to a higher setting. Make sure you set the thermostat to heat.

283 days and 23 hours ago.

Reply

ok stay tuned I am on phone with my husband trying to relay the questions i will be back

Posted by Kenton Guidry 283 days and 23 hours ago.

Answer

That is no problem. I will stay on as long as I can untill we have you all set.

283 days and 22 hours ago.

Reply

the red light goes on for a short time then turns itself off
what should we check next
no code gets shown

this is a new unit
do you think we missed something in the installation

Answer

If the status code does not show any error, I would check to make sure that you have your thermostat set for heating and that the heating is set high enough to turn on your unit. Please response for further help.

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Expert:	Kenton Guidry
Pos. Feedback:	98.8 %
Answered:	2/11/2009

HVAC Technician

EPA issued refrigeration license, College certificate, and 7 years in field.

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