condenser

The Condenser for Air Conditioners and Heat Pumps| HVAC Refrigeration

The Condenser for Air Conditioners and Heat Pumps The condenser coil receives the high pressure high temperature refrigerant vapor from the compressor and immediately begins to remove heat from the refrigerant vapor. As the refrigerant vapor makes its way through the condenser coil more and more heat is removed and the refrigerant vapor changes state […]

Variable Speed ECM Condenser Fan Motors | HVAC Refrigeration

Variable Speed ECM Condenser Fan Motors are used in condensers for the high efficient models so that the fan speed for the condenser can be modulated according to the load of the system. The ECM fan motors are used in condensers that either have a modulating compressor or condensers that have two compressors where one […]

Condenser Fan Motor Repair | Air Conditioners & Heat Pumps

Condenser Fan Motor Repair | Air Conditioners & Heat Pumps What you will learn from this article: 1) Specific description of a condenser fan motors job along with some technical details 2) Air Conditioner & heat pump condenser fan motor operation 3) Condenser fan motor troubleshooting basics 4) Condenser fan motor repair warning and disclaimer […]

2011 Proposed Increase in SEER – EER – AFUE – HSPF

This article is archived for future records. Please refer to DOE website for reference on current energy efficiency guidelines.   10 SEER units cannot be purchased in the US any longer. The new standard as mandated by the Department of Energy as of January 2006 is 13 SEER. This 30 percent increase in efficiency from […]

Glycol Feed System for Chiller Condenser Water Loop | Antifreeze Protection

Glycol Feed System for Chiller Condenser Water Loop Glycol is like antifreeze and is used in chilled water piping loops to prevent freezing. Everyone knows when the pipes freeze they also break and start leaking. Having antifreeze in a chilled water loop is important to prevent freezing. So, how do you keep antifreeze in the […]

How a Programmable Thermostats Works | HVAC Control

How a Programmable Thermostats Works Programmable thermostats can save you more than ten percent on your homes utility bills. For that reason a programmable can pay for itself within a few years depending on the type and expense of the type you purchase. I always lean towards Honeywell thermostats simply because I’ve seen their reliability […]

The NEC and HVAC Chapter Two

The National Electrical Code (NEC) and HVAC: The Basics The NEC and HVAC Chapter Two The NEC and HVAC Chapter Two – Chapter Two of the National Electrical Code (NEC) covers Wiring and Protection and starts at Branch Circuits, Feeder circuits, GFCI requirements and protection,. An HVAC installer may want to pay attention to branch circuit […]

Critical Facilities and Make-up Water

Critical Facilities and Make-up Water Data Centers a categorized by tier levels and everything in the data centers infrastructure is checked and classified so that any particular data center can achieve a certain tier level based on the infrastructure in the data center. Data centers are always classified a critical facilities and need the proper […]

Goodman 13 SEER Heat Pump Condensing Unit

This Goodman 13 SEER Heat Pump condensing unit is a new installation. The inside Goodman air handler attached to the heat pump condenser via line set was also replaced with this new Goodman heat pump. Its not a good idea to put a new high SEER air conditioner or heat pump condenser without matching it up […]

Air Management in Hydronic Piping Loops

Air Management in Hydronic Piping Loops This is a secondary chilled water pump in a large pump room designated for pumps and piping in a data center. After a few minor tweaks and corrections these pumps all operated flawlessly. There was very little issues with the secondary pump start-ups unlike the primary pumps where cavitation […]

About Chilled Water Systems | HVAC Hydronics

About Chilled Water Systems | HVAC Hydronics About Chilled Water Systems – Chilled water systems are mainly used in large commercial HVAC air conditioning systems and industrial cooling applications although there are some residential and light commercial HVAC chilled water systems in use. Chilled water systems are popular because they use water as a refrigerant. […]

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 Sometimes the thermostat is not the problem. Please check this […]

York Affinity Versus Carrier Infinity Air Conditioners

York Affinity Versus Carrier Infinity Air Conditioners Every manufacturer has there own parts system and sometimes these parts are readily available aftermarket and sometimes the parts are proprietary and can only be purchased through manufacturer of that equipment. Carrier is one of the HVAC manufacturers that has proprietary parts and sometimes you will pay a […]

Trane versus Carrier Air Conditioners | HVAC Buyers Advice

Trane versus Carrier Air Conditioners  The first thing we need to do when comparing a Trane Versus a Carrier is to make sure we are comparing similar models with similar features.  Each manufacturer makes various models from a builder’s grade unit which is usually the HVAC manufacturer’s cheapest model all the way up to the […]

Heat Pump Frost and Ice Build Up | HVAC-Troubleshooting

Heat Pump Frost and Ice Build Up | HVAC Troubleshooting Heat Pump Frost and Ice Build Up – Hi. I noticed my that one of my outside heat pump condensing units was laboring throughout the night. This morning I found ice frost buildup on the heat pump condenser fins. I live in Tucson, Az. It has […]

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