PLEASE HELP! - http://www.hvacmechanic.com/ Forums


Original message

updegal

67.175.211.206

"PLEASE HELP!" , posted Fri 23 Nov 16:18user profileedit/delete messagepost reply


I HAVE AN OLDER FURNACE/AC UNIT THAT I AM TRYING TO WIRE TO A LUX PROGRAMMABLE THERMOSTAT. MY EX HOOKED UP THE LAST ONE AND IN ORDER TO TURN THE A/C ON YOU HAD TO TURN IT UP TO 90. NEEDLESS TO SAY THAT I HAVE NOTHING TO GO ON AS FAR AS WHAT THE WIRE CONNECTIONS ARE. I HAVE 2 "BUNDLES" OF WIRES COMING OUT OF THE WALL-ONE IS 2 WIRES ONE BLACK,ONE WHITE. THE OTHER IS 3 WIRES ONE RED, ONE GREEN, ONE WHITE. THE HEAT NOW WORKS, BUT WHEN THE HEAT KICKS ON, MY OUTSIDE A/C FAN COMES ON. THE HEAT AND THE THERMOSTAT ARE IN SYNC, BUT I KNOW SOMETHING IS WRONG.I HAVE THE GREEN HOOKED TO G (FAN) ON THE STAT (I THINK THIS IS WRONG), BOTH WHITES HOOKED TO W (THE GAS VALVE), THE RED TO RC (COOL TRANSFORMER), BLACK TO RH (HEAT TRANSFORMER). THE GUY AT LUXE SAID THE 3 WIRE IS THE A/C AND THE 2 WIRE IS THE HEAT, IS THIS CORRECT? I HAVE KEPT THE HOOK UP AS IS, SO I CAN HAVE HEAT, BUT I KNOW MY OUTSIDE AC SHOULD NOT BE GOING ON. THIS IS A HOLIDAY WEEKEND AND MOST PLACES ARE ON CALL AND I CANNOT AFFORD TO PAY ALOT PLUS ITS A MATTER OF PRIDE-I WILL HOOK THIS UP PROPERLY, JUST TO SHOW MYSELF THAT I CAN AND MY EX CAN'T.

thanks

 


Replies:

updegal

67.175.211.206

"Re(1):PLEASE HELP!" , posted Sat 24 Nov 08:52user profileedit/delete messagepost reply


THANK YOU SO VERY MUCH! I THINK I HAD DONE EVERY OTHER CONFIGURATION BUT THAT ONE AND IT WORKED! YOU MADE MY HOLIDAY!I HOPE YOU HAD A HAPPY THANKSGIVING AND HAVE A WONDERFUL HOLIDAY SEASON!

thanks

 

 

amech

68.251.100.141

"Re(2):PLEASE HELP!" , posted Sun 25 Nov 09:00user profileedit/delete messagepost reply


Your Welcome - Glad to assist.

 

 

amech

68.251.100.141

"Re(2):PLEASE HELP!" , posted Sun 25 Nov 09:00user profileedit/delete messagepost reply


Your Welcome - Glad to assist.

 

amech

68.251.109.53

"Re(1):PLEASE HELP!" , posted Sat 24 Nov 08:36user profileedit/delete messagepost reply


Wire as follows

(2wire,Heat)
Black = RH
White = W

(3wire, Cooling)
Red = RC
Green = G
White = Y

Hope this helps and it saves you $$$$