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Came across a Skymark (JCI) heat pump in a highrise building which seems to be giving me odd readings. Its a 2 ton chasis/cabinet unit. with water cooled condenser (from cooling tower)

Found unit...

Yes...... i know the way to determine the charge by weight.
But is there any way to determine the charge by pressures?
R22

Duct Cleaning is really important for homes with people who are allergic to dust or whatever. Breathe easy and stay healthy. Duct cleaning is good only when its done properly.
You have to dislodge...

What are some of the best ways to determine the exact amount of charging required for a resi central ac?

In toronto area its -24 celcius and with windchill it feels like -38 celcius!!! its bloody cold! cant wait to escape from this place

thanks guys...i will check around on google for those books. I really prefer step by step books, that dont have material shuffled everywhere.

Hi everyone,

I am currently in the gas(fuel) field, but i want to learn more about refrigeration.

I bought this book called "Modern Refrigeration and Air Conditioning" 18th edition.

Ok...

Well you have to give the best answer from the above options.

What type of equipment uses TXV's with an MOP?

a) comfort cooling
b) commerical storage
c) industrial freezing
d) low temperature

^ lol...thats funny :D

It would be just 2 flat joints.

how can u determine the lenght of the LAP for but joints?

Ok,all the techs go in basements, roofs, and atic etc... You probably come across some creepiest bugs? rats? tarenchula's? How do u deal with these? Share ur story :)

Hi, i am looking for entry level p/t position on weekends doing residential. I have recieved my G3 license, and enrolled in hvac program at a local college working towards G2 and ODP certifications....