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Take a large plastic garbage bag and wrap it around the condenser. I usually let the fan hold it in place and charge the system its quick and easy.
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 Originally Posted by hands
They would probably do the same if you were caught with a control panel open and you didn't have your PPE gear on, but that never happens either does it.
you are correct
mikeacman
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 Originally Posted by rcac101
Take a large plastic garbage bag and wrap it around the condenser. I usually let the fan hold it in place and charge the system its quick and easy.
Hard to find a big enough garbage bag for a Rooftop Unit. That trick works until it gets really cold.
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.....back in the day with r12 we had heaters(electric) that went on a 30# drum and Robinair (are they still in business) had a charging cylinder that had a heater in it.
But all that is a little over the top!
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Carefully cycle outdoor fan motor by hand ?
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5 gal bucket with hot water. 30 lb jug fits right in there.
Officially, Down for the count
YOU HAVE TO GET OFF YOUR ASS TO GET ON YOUR FEET
I know enough to know, I don't know enough
Liberalism-Ideas so good they mandate them
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He has to weigh the charge in.
But I will use that cardboard to block the condenser
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Use your recovery machine and weigh in . Works every time
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 Originally Posted by gwoner
Use your recovery machine and weigh in . Works every time
3 votes for this so far ,,,,it's what I do ,,,,and by the time you dick around with cardboard and bags,fire ,hit water (we had a guy blow a jug up doing this ),having to drag them on/ off the roof ,dispose of it or save it ,,,its just as easy and probably faster to pump it in with your machine ...
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Using a recovery machine is a good option, but you should have it connected to your charging hoses and pull a good vacuum on it to remove any moisture first.
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Wait till the spring or you will end up doing it twice.
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 Originally Posted by tim79
Wait till the spring or you will end up doing it twice. 
Can't always wait till spring. What if the RTU cools a critical area? It is just something we have to deal with north of the Mason Dixon Line.
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