Components
When installing refrigerant lines this is used to keep refrigerant from heat transfer in the wrong areas.
What is insulating?
The heat required to convert a solid into a liquid or vapor, or a liquid into a vapor, without change of temperature.
What is latent?
The major temperature that separates soldering and brazing.
What is 840°F?
Earliest written account of the use of a chimney, located in Italy.
When is 1347?
A type of tubing commonly used to form evaporators and is less costly than copper.
What is aluminum?
Never use this for purging a refrigeration system to remove unwanted dirt and moisture from a line set.
What is oxygen or compressed air?
This torch flame is recommended for brazing.
What is neutral flame?
The electrical connections to a central air-conditioning condensing unit typically include a this connection for control.
What is 24 Vac communication wire?
The Man
The Myth
The Mustache
Who is Tim?
In HVACR-related work, this is generally used for conveying gas.
What is black steel pipe?
The definition of air conditioning.
What is heat transfer?
Refrigerants exposed to extreme heat can produce an extremely dangerous by-product.
What is phosgene gas?
This is usually the first step in performing maintenance on an air handler.
What is clean or replace the air filter?
According to a popular search engine on the world wide web, the first residential AC unit was installed in this year.
When was 1914?
Steel pipe is not generally used to circulate refrigerant, except in these types systems.
What is ammonia?
Formula for Superheat & Subcool.
What is L-G= & G-L=?
Most brazing alloys used in refrigeration work contain this element
What is silver?
System is in normal operation. But there is little to no air flow from the supply registers.
What is poor or blocked air flow?
In ancient Rome this method for comfort heating was used.
What is a hypocaust or underfloor heating?
This is a type of zoned system that does not require duct work.
What is a V.R.F (Variable Refrigerant Flow)?
Testing, and adjusting, to ensure efficient and comfortable operation, distributing air evenly throughout a building or home.
What is air balancing?
The phenomenon in soldering and brazing is the movement of a liquid substance between two solid substances
What is capillary action?
When this component starts to fail it will cause stress on a motor.
What is a capacitor?
In the 1800's this was invented for heating a room.
What are Cast iron radiators?