Tag Archives: bryant

Condenser Fan Motor | Air Conditioners & Heat Pumps


Condenser Fan Motor

Condenser - Air Conditioner - Heat Pump Fan Motor

Condenser Fan Motor Inside the Condenser

The condensing unit fan is responsible for pulling air through coils of the condensing unit. They pull air through the condensing unit coils. It runs the gamut in horsepower ratings from low fractional horsepower in small residential units all the way up to 1 horsepower (and larger) 3 phase motors in large commercial HVAC units. It is usually direct drive to a propeller blade which creates the air flow. Its job it to move air. A specific quantity of air through the condensing unit coils so that a heat exchange process can take place and rig the condensing unit of the heat it absorbed indoors or in the case of the heat pump in heating mode to absorb heat from the outside air and send it inside. It is the process of refrigeration and all the components work together to achieve one result and that is to move heat from one place to another.


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Thermostat Wire Colors Code | HVAC Control


What you will learn in this article:
1) What thermostat wire color is likely to go to which terminal on the thermostat
2) The function of each wire terminal on the average thermostat highlighting some of the differences in those functions from manufacturer to manufacturer

Thermostat Wire Colors Code | HVAC Control

Thermostat Wire Colors CodeThermostat Wire Colors Code – Always follow the thermostat manufacturers instructions whenever changing the thermostat. Always turn the power off at the air handler and the condenser and make sure there is no voltage at the transformer before proceeding. The thermostat wire colors below are the most likely colors used for most installations however your thermostat wire colors may be different than what is indicated here. There is no official standard for thermostat wire colors. Thermostat wiring colors are not standardized but these are the most wiring methods used based on my years of experience in the HVAC field where I successfully wired a lot of thermostats.

For instructions on how to wire a thermostat please see our how to wire a thermostat page.


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Condensing Units | Heating and Cooling


HVAC Condensing Units

Air Conditioning and heating equipment uses high voltage. Caution is always advised when working around high voltage. When in doubt call a professional. Safety First!!

What you will learn from this article:
1) Basic description of a condensing unit
2) The differences between a heat pump condensing unit and an air conditioner condensing unit
3) The HVAC compressor or the heart of your air conditioner or heat pump
4) Basic description of some components in the condensing unit
5) Condensing Unit fan motor
6) Maintenance and upkeep of the condensing unit
7) Basic instructions on cleaning the condensing unit
8) Loose electrical connections in the condensing unit
9) Lots of resource and related links to help to learn in depth information about HVAC and condensing units

Condensing UnitsAir Conditioning & Heat Pump condensing unit is a simple yet technical piece of HVAC equipment. It sits out in the back (or side) of your house and kicks on and off almost by itself. At least it seems that way to most people. In this box made of sheet metal, is the heart of your HVAC cooling system. Or for those with heat pumps, it is the heart of your HVAC heating and cooling.


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Heat Pump Sequence of Operation – HVAC Technical


Heat Pump Sequence of Operation

Every electrical-mechanical piece of equipment has a sequence of operation and while some manufacturers of heat pumps vary slightly with their heat pump sequence of operation but overall the sequence of operation for a heat pump is the same for most manufacturers. So unless you have a special type of heat pump (they are out there – the Acadia heat pump is designed for extreme cold weather temperatures up North like Canada) the sequence of operation for your heating equipment should be very similar to what I described here. This is the basic operation of a heatpump like you will find in conventional heatpumps.

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Heat Pump Problems | HVAC Heating & Cooling


Heat Pump Problems

Heat Pumps are very popular especially in the South where air source heat pumps are mostly favored over straight air conditioners with a gas furnace for heating. Heat Pump ProblemsWith a heat pump one system can do it all especially in the mild winters of the South. In the North some people rely on a geothermal heat pump system or a water source heat pump where the heat is extracted from  the ground instead of the air like an air source heat pump works. While air source heat pumps are cheaper to install the geothermal heat pump systems will save a lot of money over the life of the heat pump in operating costs so as far as efficiency is concerned the geothermal heat pump rules the day. There may be a time when your heat pump will begin giving you problems so we decided to post an article to help some people diagnose the heat pump problem in an effort to better understand the system. Some minor repairs can be done by someone with advanced do it yourself skills however we always recommend you call an HVAC contractor to repair the problem if you have a problem with your heat pump. Before you get started you may want to take a look at the articles, “How Heat Pumps Work” , “Heat Pump Components” and “heat pump sequence of operation“. To solve heat pump problems you at least need to be familiar with a heat pump and the heat pump components so those two pages will help you.


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SUNDAY, May 24, 2015

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