chuck estevez
Well-Known Member
if you need help installing it, i can help you out a little with info on how to do it.
Sealed room cooling question
- Thread starter mrblu
- Start date
chuck estevez
Well-Known Member
poor mans evac. Open small service valve while pushing in shraeder valve on big service valve, after it blows out real quick, let go. it's purged.
chuck estevez
Well-Known Member
like where you put air in a bike tire
chuck estevez
Well-Known Member
this is a service valve, yours will have a big one and a little one
chuck estevez
Well-Known Member
yes, you remove those 2 caps on both valves, inside the top you'll need a hex wrench to turn it.
you turn the small valve to open a little while pushing in the shrader on the other one and push the air out.
chuck estevez
Well-Known Member
once you connect the copper lines, you want all the air out of them, the head unit will be pre charged with nitrogen, you will release that.
if you have or can get a hvac vaccuum pump, you just pull a vaccuum on the lines, if not, you do a poor man.
I never used quick connect lines, they may come pre charged and you may not need to evac.
http://www.amazon.com/dp/B00FH4DSDA/ref=pe_825000_114660910_TE_item
There's not much reviews because of some hater who has never purchased one gave it a 1 star.
There's not much reviews because of some hater who has never purchased one gave it a 1 star.
chuck estevez
Well-Known Member
it looks like the condenser is the only thing pre charged, In a/c we pull a vacuum on the lines and head unit to remove air and crude before opening the valves to charge the system. So, if it was my unit, I would do evacuation, or the poor man purge if you don't have a vacuum pump.
So connect the lines to the condenser and then let a small amount of refrigerant out then close the hex screw valve? And on the head unit I imagine there's some sort of valve on the connectors or in the head unit to open or depress for a moment? Then just finish connecting the lines together and release the refrigerant?
chuck estevez
Well-Known Member
connect lines to head unit and condenser, 2 valves on condenser, each valve has spot to open valve and connect a hose. Open valve on little on small service valve while pushing in shrader on hose connection on big service valve. when it spits, let go. open valve rest of way, open big valve and you're done.