Sir, you are way over your level of training on this one. Where I am,
I've worked on a very few heat pumps. Most of what I see are the more
simple split systems.
The couple concerns that come immediatley to mind:
1) 5 tons sounds waaaaay too large for 2100 sq feet. Maybe in TX, but
not in Ohio.
2) yes, you do need an indoor coil
3) You need a new thermostat, with several more conductors for the
4) You need an EPA card (license) to add or remove refrigerants such
After six years of installing central AC, and furnaces for folks, may
I be the first to assure you that there is a LOT to know. At this
moment, it sounds like you are a very sincere person who is trying to
learn some skils, and save some money. However, I suggest that you may
have just started a project that you won't like the outcome.
Christopher A. Young
You can\'t shout down a troll.
Click to see the full signature.