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DDC Glossary - Direct Digital Controls
Ohm's Law (P) power, (E) voltage, (I) current, and (R) resistance
DIP Switches - Dual Inline Package Switches DIP Switches - Dual Inline Package Switches
Puron - Puron refrigerant is Carrier's registered trademark for a refrigerant blend with the generic ASHRAE American Society of Heating, Refrigerating and Air-Conditioning Engineers designation R-410A
Transmission Control Protocol - Internet Protocol
The TAC NETWORK 8000 MICROZONE II (MZII) is a fully programmable controller that enhances the TAC NETWORK 8000 Facility Management System
HVAC Acronyms
Category 5 cable includes four twisted pairs in a single cable jacket
Air conditioning equipment is designed to operate at its rated capacity and efficiency at one set of design conditions
Superheat
Subcooling
The term Air Conditioning refers to the cooling and dehumidification of indoor air for thermal comfort
The rating is not complete using system of EER so a rating of SEER has been developed. This rating is tested and verified by a rating agency, and includes the startup and shutdown cycles
      

 

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Wet Bulb Temperature

Wet-bulb temperature is measured using a standard mercury-in-glass thermometer, with the thermometer bulb wrapped in muslin, which is kept wet. The evaporation of water from the thermometer has a cooling effect, so the temperature indicated by the wet bulb thermometer is less than the temperature indicated by a dry-bulb (normal, unmodified) thermometer. The rate of evaporation from the wet-bulb thermometer depends on the humidity of the air - evaporation is slower when the air is already full of water vapor. For this reason, the difference in the temperatures indicated by the two thermometers gives a measure of atmospheric humidity.

 

 

 

 

 

Home / My Links / HVAC News / Links / Organizations / DDC Glossary / Ohm's Law / Dip Switches / Puron / TCP/IP / Microzone II / Acronyms / Cat 5 / A/C Design

Super Heat / Subcooling / AC / Seer Rating

 

What You Should Know about Refrigerants When Purchasing or Repairing a Residential A/C System or Heat Pump

 

 

 

 

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