Question about Honeywell Electronic Programmable Heat/Cool Thermostat - CT3300A100 Heater
R represents power supply for the heat system.
RC represents power supply for cooling system.
G represents fan (neutral).
W represents heat system.
Y represents cooling system.
Y2 represents 2nd stage cooling.
W2 represents 2nd stage heating.
AUX represents heat pump.
Try calling 1-800-468-1502.
Their english is "REALLY BAD"!!!
Posted on Jun 09, 2011
Try removing all wires but R and W. These are the only wires you need for heat. The others are to power the thermostat and AC. If the thermostat gives better performance, you have a drain from the other wires. Check to see if you have good connections at the furnace.
Posted on Jan 02, 2011
a 6ya expert can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
New users get 2 Free calls (no credit card required) and instant help on almost anything you can think of (from cars to computers, appliances, handyman, and even pets).
click here to download the app (for users in the US for now) and get all the help you need.
Posted on Jan 02, 2017
Tips for a great answer:
May 08, 2017 | Honeywell Heating & Cooling
May 27, 2014 | Honeywell RTH6350D1000 5/2Day Prog...
May 25, 2012 | Honeywell Programmable Thermostat Heater
Nov 29, 2011 | Honeywell Programmable Thermostat Heater
May 01, 2011 | Heating & Cooling
Feb 13, 2011 | Honeywell Programmable Thermostat Heater
Jun 24, 2017 | Honeywell Programmable Thermostat Heater
Oct 23, 2008 | Honeywell Electronic Programmable...
1,254 people viewed this question
Usually answered in minutes!
Step 2: Please assign your manual to a product: