A/C condenser not turning on
#1
Member
Thread Starter
Join Date: May 2019
Posts: 4
Upvotes: 0
Received 0 Upvotes
on
0 Posts
A/C condenser not turning on
Quick background. Bought a used double wide last May. Came with new blower, furnace and 4ton condenser. Had professionals install it all. They told me i should have an electrician look at it because its misssing a 240v romex and ones ran 120v that should be 240v. The Ac and blower worked at this time. Winter came and the furnace didn't come on. Duh. So i did what was said that needed to be done, but nothing. So i figured the old tstat was the problem. I swapped it out, 4wire with jumper Rh to Rc for a 4wire that didn't require a jumper. Boom! Heat worked and i was a hero. Well, here we are about to be summer and the condenser isnt turning on.
Things i know:
1-there is a blue wire in the furnace but it doesnt reach the tstat.
2- if i connect the white or yellow or both to the red, the blower comes on. Condenser still does not.
Things i know:
1-there is a blue wire in the furnace but it doesnt reach the tstat.
2- if i connect the white or yellow or both to the red, the blower comes on. Condenser still does not.
#2
Welcome to the forums.
There should be two wires coming in from the condenser. One goes to the C terminal or C connection and the other needs to go to the Y terminal at the thermostat.
Is there anything on the Y terminal ?
If yes..... check for that color at the furnace and see what it's connected to.
There should be two wires coming in from the condenser. One goes to the C terminal or C connection and the other needs to go to the Y terminal at the thermostat.
Is there anything on the Y terminal ?
If yes..... check for that color at the furnace and see what it's connected to.
#3
Member
Thread Starter
Join Date: May 2019
Posts: 4
Upvotes: 0
Received 0 Upvotes
on
0 Posts
Theres a multi colored (I'm guessing tstat) wire coming in from the condenser. Only the red and white are used. Red is twist capped to the blower yellow wire and the yellow to the tstat. The white is twist capped to the grey of the blower and then the blue of the going to the tstat. At the tstat, i have the 4wires wires to their color
Thank you for the welcome. Been using the site forever. Only now have a not found the answer to my problems somewhere among the forums
Thank you for the welcome. Been using the site forever. Only now have a not found the answer to my problems somewhere among the forums
#4
You discussed not having 240v connected in your first post. Connected to what ?
There needs to be 240v to the outside condenser.
If you have a meter...... check the red and white wire outside at the condenser. There should be 24vAC when the stat is calling for cooling.
There needs to be 240v to the outside condenser.
If you have a meter...... check the red and white wire outside at the condenser. There should be 24vAC when the stat is calling for cooling.
#5
Member
Thread Starter
Join Date: May 2019
Posts: 4
Upvotes: 0
Received 0 Upvotes
on
0 Posts
My condenser has a dedicated 240v. The blower has 2 60 amp breakers on the casing, but only 1 was connected to the breaker box. Im assuming it got cut out when the old equipment was removed, or lost during transport, because it was still wired into the breaker box.
Ill start checking wires tomorrow
Ill start checking wires tomorrow
#7
Member
Thread Starter
Join Date: May 2019
Posts: 4
Upvotes: 0
Received 0 Upvotes
on
0 Posts
No voltage at the condenser on the tstat wire.
I'd post a picture but it wont upload. I love at the bottom in a valley just outside cell coverage area. Joy. We are trying to caveman it till the new fiber gets installed in the area.
I'd post a picture but it wont upload. I love at the bottom in a valley just outside cell coverage area. Joy. We are trying to caveman it till the new fiber gets installed in the area.
Last edited by BabyboiBLU; 05-16-19 at 05:11 PM.
#8
It sounds like you put 24v on the condenser wiring but did not measure it outside. That would be your problem. If there is 24v on the red and white AT the furnace but not at the condenser.... it would be a broken wire.