How to bleed the air off a Condenser?

**hammerbayer** · 10-11-2009, 01:54 AM

Had a customer call me after their A/C units stopped working. They had a maintenance mechanic from a neighboring restaurant take over the PM on their units (cost effective). He told them their cooling problem was air in the lines of their units and that he had to bleed off the air from the units then top them off with freon. The owner got charged for 10# of 134A to replace the air in their 4 systems. Too bad they were R22 units.....

**Bubbleheadski** · 10-11-2009, 09:18 AM

Oh SNap! Really? Damn that sucks to be cost effective!
Think they learned anything? I bet you arent taking them back either!?!?!
LOL.... sorry but thats to funny!

**jpsmith1cm** · 10-11-2009, 10:39 AM

**yellowirenut** · 10-11-2009, 10:41 AM

when i was first starting i saw a pic on a old RTU showing a hammer and punch with an arrow pointing to a spot on the condenser....maybe that's how he bleed the air off?

**Tiger93rsl** · 10-11-2009, 10:42 AM

I hate it when condensers air lock like that.

**woodsman** · 10-11-2009, 10:55 AM

This is where that air depressor comes in handy.

**timebuilder** · 10-11-2009, 11:32 AM

Originally Posted by hammerbayer

Had a customer call me after their A/C units stopped working. They had a maintenance mechanic from a neighboring restaurant take over the PM on their units (cost effective). He told them their cooling problem was air in the lines of their units and that he had to bleed off the air from the units then top them off with freon. The owner got charged for 10# of 134A to replace the air in their 4 systems. Too bad they were R22 units.....

I would write a very specific set of findings, and a detailed critique of the previous work and charges.

**ZiLLaCooL** · 10-11-2009, 12:24 PM

Originally Posted by hammerbayer

Had a customer call me after their A/C units stopped working. They had a maintenance mechanic from a neighboring restaurant take over the PM on their units (cost effective). He told them their cooling problem was air in the lines of their units and that he had to bleed off the air from the units then top them off with freon. The owner got charged for 10# of 134A to replace the air in their 4 systems. Too bad they were R22 units.....

Did they happen to get an oilchange & tire rotation with that????

**Miller257** · 10-11-2009, 01:43 PM

i love the work maintenance guys give us some times.

**TxDusty** · 10-11-2009, 01:49 PM

Haven't seen a schrader valve on top of a condenser in about 30 yrs.

**jpsmith1cm** · 10-11-2009, 03:33 PM

I wouldn't even attempt to bleed air off of a small unit.

I'd pull the charge, evacuate and liquid charge what was in the cylinder. Once the cylinder was down to the last few ounces of liquid, I'd crack open the new stuff and top up the charge if needed.

Either that or bleed air off of the recovery cylinder until it matches up with PT chart.

**Tempted** · 10-11-2009, 03:36 PM

Isn't that wut that fan on top is for?? lol Constant air bleeder.

**timebuilder** · 10-11-2009, 04:00 PM

Originally Posted by jpsmith1cm

Either that or bleed air off of the recovery cylinder until it matches up with PT chart.

I've done that many times.

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