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Do you work for the county and their operation is being checked or is the county conducting the investigation? Either way as long as you have your log book you should be good to go.

Thanks, looks like a good source for replacements too.

I spoke with an EPA compliance agent last year. He told me that the EPA is "disinterested" in pursuing reports of venting. The effort they do put forth on the subject is directed toward appliance...

75 if its 3/4" studs.

How about the Dolphin? Is it working?

Check with Mitchell Instruments, they have a line of process loop calibrators.

I picked up one of their low end units, $400, and it works great to provide either a 0-10V or 4-20 ma signal.

You...

There is likely an alternating relay. If so then the pressure switch with the higher setpoint will normally operate the alt relay and thus the starter for the lead compressor. If the lead compressor...

Try searching the VA website. They have a comprehensive set of specs available online.

Does anyone have any experience setting one of these units up? Got one to use on a cooling tower fan. The programming manual is pretty vague and not very intuitive.

Any constructive input is...

My new JB eliminator, 5 cfm I believe, with a 1/2" hose just pulled a 600 ton centrifugal from atmospheric to 750 microns in 24 hours. I changed the oil once before I went home for the night.
...

Run the pump when the forecast calls for temperatures that you expect to cause freezing in the attic.

We run about 30% +/- glycol solution in our chilled water loops, if I recall that is good down...

Try http://www.cmpcorp.com

Read the manuals that are available on this site, there are tons of them! I may be considered a junkie, but I'll read a manual for the fun of it.

I've seen that or a very similar message on the one line marquee type display when the machine had air in it. Check your condenser approach and purge rate. Maybe York56 will chime in here.

Air Handler Services Inc.
16933 S. Hattan Rd.
Oregon City, OR 97045
503-631-7560

Don't remember the fellas name there, but he quoted some shafts and wheels for us a few years ago on a early...

Are you getting a message to the effect of "evap pressure tranducer out of range" ?

overcurrent

Is it an XWC 530?
Is it showing harvest fail?

When I owned my shop my philosophy was "I can make nothing doing nothing"
:couch:

Search this section, there are a ton of factory manuals that members have provided. Download them and start reading.

We just put one in.

ICP CAE090GHC, is the 208 volt, 3 phase model. Dual copeland scrolls, GE fan motor. I've havent had any trouble with them. $2500 out the door at United Refrigeration. Its a single circuit though.

If the breaker serves just the 359 amp compressor NEC table 430.52 says that the breaker can be sized at 250% RLA. If the breaker serves the machine with more than 1 359 amp compressor, it would be...

These are the times that make me glad that I gave up being a field tech years ago and hired on with a state agency as an in house hvac tech at a large institution. I've read a lot bashing of the "in...

I just changed out an old 30GB055 and an ALR060 with a new YCAL134. I don't know where you are located but I used vinyl jacketed styro foam insulation and applied embossed aluminum skin that came...