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Powdered H2O! just add hot water. A little expensive, but a great product. Thanks everyone

OK, thank you

10-4

The timer energizes the drain pan heater at the same time as the evaporator coil heaters. Can I just remove the x-terminal from the Timer and leave the pan heater on to melt the ice? Will that burn...

A word on time-line: Dispatch told me not (in a more elevated tone than needed) to pump-down for levels a week or so before your (helpful) post, which does describe a method using pump-down to obtain...

The receivers have an analog gauge with a needle on the tank, and many of the Einstein-2 controllers give a liquid level. But I've taken readings as diparate as 50% on the E2, while the needle is...

Very imformative, thanks for the response and the details on the Publix engineering.

Thank you, sir, you've saved Algernon a bunch of time.

10 fo

The dispatcher, she asked for receiver liquid-levels on the racks both with and without Heat Reclaim. The dispatcher likes to give scolding lectures, too, so since all I've seen in the stores is hot...

Thank you for helping out, with clear, concrete knowledge. The compressor's superheated discharge vapor is higher in sensible temperature than the gas' saturation p/t. The refrigerant has to...

My position is repair and maintenance on the racks and 35 - 50 ton ACs, a step up in scale from residential, and walk-ins. That's why I'm posting. The aim is for a 15-20F condenser approach on the...

Yes, thank you for your reply. And I've read some of your other posts on supermarket rack systems, and found them clear and helpful.
Here's my understanding so far, with a follow-up question: the...

I'm looking to understand better South Florida Supermarket (Publix) Heat Reclaim. There are valves in the drop leg, of course, but we don't have the low ambient issues. I see the water tanks run...

If the high-side isolation valve is in the liquid line with the Shrader port then you won't be able to see your actual high-side pressure, which could be very high with the dryer there as an...

I found a Goodman "Air-to-Air Heating Capacity at Different OAT" chart and I can see that the low-side saturation temperatures run approximately 15F lower than the outdoor ambient throughout the...

Belt slipping on my comprehension level there, I apologize. I mis-read your Ohm-meter readings.

The 'Start' winding looks shorted. There should be more Ohms from C-to-S than from C-to-R. The Start winding should be 90-degrees out of phase with the Main winding in order to obtain turning...

Some new R22 Condensing Units come factory charged with nitrogen instead of R22, How new is the installation? Nitrogen won't change from a gas to a liquid inside of an HVAC unit condenser, so it is...

Yes, that and the beach postcards: 'We'll shovel sand for you if you shovel snow for us HEHE." But back to ze question, how many degrees below the outdoor ambient does the saturated suction...

What is the normal temperature difference, or 'approach', between the EAT (entering air temperature) of the outdoor coil and the saturated suction temperature of the refrigerant when an air-source...

The compressor will be too hot if the discharge valves are cooked off in the head. Confirm it by taking a temperature reading with a laser-aimed, handheld thermometer.
Read the good compressor...