by High Performance HVAC | Thermostats |
Thermostat Wiring Diagrams - Heat pumps are wired for HVAC control far differently than air conditioning systems so make sure you know the difference and correctly identify the type of HVAC system you have installed. Additionally, before you decide to change your thermostat, make sure you have the correct tools especially a screwdriver and wire pliers.
The charts listed here will help you with a heat pump thermostat and an air conditioner thermostat. Either of these can be a regular digital thermostat or a programmable thermostat. Lastly, these thermostat wiring diagrams will help you wire a new thermostat. An air conditioner cooling system is different than a heat pump heating and cooling system. (more…)
by High Performance HVAC | Thermostats |
Basic Thermostat Wiring Colors - Air Conditioner Systems - Always remember when changing a thermostat for a new thermostat to take a photo of the colors and where they go on the old thermostat or get a pencil and paper and write it down. It is better to take a good up-close photo of the old thermostat and what terminals the colored wiring are terminated. Nearly everyone has a camera on their cell phone. (more…)
by High Performance HVAC | Thermostats |
What you will learn from the
How to Wire an Air Conditioner for Control 5 Wires article:
- This article includes a comprehensive table showing thermostat wire terminations for an air conditioner and a source of heat that includes five wires
- A detailed description of where each wire goes in the air handler and condenser and what it controls
- A detailed diagram illustrating where the wires go for 5 wire air conditioner and heating system control
- Lastly, resource and related links to help you with wiring and installing a thermostat
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by High Performance HVAC | Thermostats |
HVAC Products Containing Mercury and Proper Disposal - Mercury is extremely harmful to the environment and causes severe health problems in humans and animals. For many years HVAC and HVAC Controls manufacturers have used mercury in switches.
Mercury is a liquid metal and provides a good source used in many switches because of its fluidity and conductivity. From thermostats to boiler controls the liquid metal provides a reliable and efficient switching mechanism to start and stop certain sequences in HVAC applications. (more…)
by High Performance HVAC | Thermostats |
Honeywell Chronotherm Plus Thermostat - Trane XL19i Condenser – I have a Honeywell Chronotherm Plus 8624D running a Trane XL19i Air Conditioner with a Trane XV90 Gas Furnace - all installed new in new construction in 2003. Every winter, during the morning warm-up from 66 to 70, the burners stay on for approximately 1.5 hours at 70, then rise quickly to 73 before finally shutting off.
The only way to interrupt the process is to turn the system OFF at the thermostat. The system is on AUTO with the cooling set at 75 for the winter.
I have swapped the thermostats (there are two sets in the house, this is the one in the attic for the second floor) with the same results. I have not swapped the thermostat circuit boards, but I can not see a reason to.
The main floor is on the same schedule but has never done this three-degree burst. I have had three different contractors out, with corresponding charges for thermostat troubleshooting with no luck. Have you ever seen this? Any thoughts? Thanks! (more…)
by High Performance HVAC | Thermostats |
Data Logging Thermostats - High Performance HVAC Air Conditioning & Heating Thermostats
1) Question: Is there a thermostat for a nursing home with a printout for temperature verification?
The answer….. (more…)
by High Performance HVAC | Thermostats |
Best Advice for Thermostat Installation - Read the Guides
Successful Thermostat Installation Advice – High Performance HVAC wants you to be successful at the installation of your new thermostat so we ask that you read the pages here at High Performance HVAC carefully before you attempt to install your new thermostat. If necessary study the installation guides before trying to install your new thermostat to make sure you can install the new thermostat without any hitches.
Again we sincerely care about the success you have at installing your new thermostat so please read carefully and follow all instructions. We are confident that if you follow all the instructions, including the manufacturers and our thermostat installation pages here you can join the thousands of other people who have used High Performance HVAC Guides to correctly install a new device and enjoy the savings a new programmable thermostat can save you on energy use. (more…)
by High Performance HVAC | Thermostats |
Thermostat Wire - Thermostat wire comes in a bundle with the outer jacket being either brown or white. The bundle can have anywhere from 2 conductors inside the bundle or outer jacket and all the way up 8 or 10 conductors inside the outer brown or white jacket. The bundle for typical wire is 18 gauge solid copper conductors and each has its own outer jacket that is a different color than any of the other conductors in the bundle. These multi-color wires are colored differently for identification from one end of the bundle to the other end of the bundle. It can be purchased in a bundle as follows:
This article refers to conventional thermostat wire which is different than the wire you would have if you have a communicating thermostat.
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by High Performance HVAC | Thermostats |
What Temperature Should I Set My Programmable Thermostat To - 4) Please confirm this advice if you would; it is better to have your thermostat left at 70°F. to 72°F. during the day while your home is empty and adjusts accordingly when you get home as opposed to shutting off the heater/ac and turning it on when you get home. I would think this would put less strain on the unit. Thanks in advance for your help. (more…)
by High Performance HVAC | Thermostats |
Running New Thermostat Wire – It is possible that you may have to run a new thermostat wire from the air handler or furnace to the location where the existing thermostat is located. Running new thermostat wire can challenging even for professionals. If you must then following these instructions and helpful hints will hopefully help you in this endeavor. Pulling new wire should only be done as a last resort. The purpose of running new thermostat wire is necessary for certain reasons such as: (more…)
