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Started using Grasslin a while ago to cut down on inventory. We haven't had any problems at all. You do have to be careful of the amps though, that 40 amp rating is for a resistive load. Their...

Agree... the new refrigerants and POE oil do not tolerate poor workmanship (Actually it's really just the oil). However I will say that compressors (and everything else) are not manufactured the...

There's something else going on there too... From my experience, a unit will operate with out head pressure control just fine on a 60 deg day. Think about it, with a condenser sized to a 20deg TD if...

Walk-in freezer at a uranium mine. They called friday morning. I left friday around lunch, arrived at the mine at midnight. Changed the compressor, got back in my van and stared driving. Got home...

skullnova,
it's quite common here to see a variation of that with the air handler and a glycol coil in it. Uses plant air to heat glycol, and glycol is piped in concrete under the freezer floor. ...

Thanks chillrdude!

R12,
I don't know really. From what i understand 404a is a slightly better refrigerant. Compression ratios, I'm going to get trouble for that :), are a little lower and the enthalpy (at -20) is a...

For drop in's... HP80, sometimes HP81 for Ice machines. On larger stuff, I always do an oil change to POE and use either 404a or 507. I prefer 507 but most manufactures are using 404.

R409A has worked pretty good for me with the origional MO. I've also used MP39, and 414B with MO (larger MP39 equipment with POE or AB). No big problems exept the odd occasion on small condensing...

I just had a quick question. I need to know the tonnage of a chiller, Model #PCV-1F-C1-D2. If my memory serves me correctly that's 150 tons. I can't remember for sure though and thought I better...

Some hoshizaki's have problems with the board and/or suction gas temp sensor. The beep usually indicates too long of harvest. If it's water cooled make sure water valve closes on harvest. If ice is...