Wiring Diagram for an Old Coleman Thermostat

If you own an old Coleman thermostat, you may face difficulty understanding its wiring diagram. This article will guide you on how to wire the old Coleman thermostat correctly. Before getting started, let’s have a quick overview of the thermostat and its functions.

Overview of an Old Coleman Thermostat

The Coleman thermostat is a device used to control the temperature of a heating and cooling system in your house. It has an LCD screen that displays the current room temperature and the set temperature. The thermostat works by sensing the temperature and turning the heating or cooling system on or off to maintain the desired temperature.

How to Wire an Old Coleman Thermostat?

Wiring an old Coleman thermostat can be a bit tricky, but with this guide, it will be a breeze. Firstly, turn off the power supply to your heating or cooling system before starting any wiring work. It is essential to ensure there is no power running through the wires.

Step 1: Understanding the Wires

The wire connections in a Coleman thermostat will vary depending upon the model of thermostat you have. You will find wires of different colors – red, green, yellow, and white – which connect to the back of the thermostat. The wire colors are universal; that means, green wire is for the fan, and so on.

Step 2: Removing the Old Thermostat

Before installing the new thermostat, you must remove the old one. Gently remove the faceplate of the thermostat to reveal the wiring connections. Check for any loose wires or broken terminals. Note down the wire colors and their respective slots.

Step 3: Connecting the Wires

In most cases, the old Coleman thermostat will have four wires – red, green, yellow, and white. Here is how to connect them:

Wire Color Connection
Red Connect to R terminal
Green Connect to G terminal
Yellow Connect to Y terminal
White Connect to W terminal

Once you have connected the wires, turn on the power supply and program the thermostat to your desired temperature. Your heating and cooling system should start functioning correctly.

FAQs

1. How do I know my Coleman thermostat model?

The thermostat’s model usually appears on the back of the device, and sometimes it is mentioned on the faceplate or in the user manual.

2. Can I replace my old Coleman thermostat with a new one?

Yes, you can replace the old Coleman thermostat with a new one, but make sure to check the compatibility and wiring diagram.

3. Why is my thermostat not turning on the heating/cooling system?

It could be due to various reasons, such as a blown fuse or tripped circuit breaker, incorrect wiring, or an issue in the heating/cooling system. Check for the problem and consult a professional if needed.

4. Can I install the Coleman thermostat myself?

Yes, you can install the Coleman thermostat yourself, but make sure to follow the instructions carefully and turn off the power supply before installation.

5. What is the ideal temperature setting for my thermostat?

The ideal temperature setting varies depending upon the season and the user’s preference. Generally, a temperature between 68°F to 72°F is considered comfortable for most people.

Conclusion:

Wiring an old Coleman thermostat is not as daunting as it might seem. With proper understanding of the wires and the correct wiring diagram, you can do it yourself. However, you must take safety precautions and turn off the power supply before starting any work. If you face any difficulty or require professional assistance, don’t hesitate to call an expert.