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How do I calculate discharge superheat? Also can someone explain the differance in absoulte and guaged pressure with an example? Thanks

I finally got someone at Trane to confess. I was told to send in the serial number b/c they think there is a batch of bad units out and about. I will try and keep this post updated but you know about...

I've been doing more and more work on RTAC condenser fans. I have seen in the last 6 months 3 broken motor bracket and nearly a dozen fan blades break.
Has anyone else ran into this? Thanks.

I've got a rheam unit 4 ton with a scroll compressor giving me some problems. Here's what going on.
Outdoor temp: 85
Indoor temp: 80
Head Pressure: 265-275
Suction Pressure: 55-60
superheant:...

Hey guys, try this with your VFD problems. Change your fan blade to a half pitch blade and let it run. I am in the southeast and we have found it to work good in low ambient conditions. If you have...

Get a seperate meter for the unit. You can get it for about 300.00. Any water that goes thru this meter is not subject to a sewer fee.

Give it some time. I put one in and it took a month and a half to finally seal up. Now it running like a champ or as good as a York can :):)

Its not uncommon to see ice on the txv. The question is. how much ice? I am in the southeast where humidity is high.
You say its reading 00:14. Is this purge run time or pump out time. You may...

The H3C will allow more flow.

Why: Because its set up for a larger tonnage unit. If you put E3C TXV on the 5 ton coil you starve the evap.