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midgaar
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Registered: 11/03/10
Posts: 98
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Last seen: 10 years, 5 months
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AA Sterilizer questions
#18727626 - 08/19/13 01:17 PM (10 years, 5 months ago) |
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I just got myself an AA 25x used and have a few question regarding its operation. Is it normal for the unit to get to 20psi then turn off and lose pressure down to 15psi before turning back on? It seems to lose pressure faster then it should. If i set it to turn on at 17psi then it says on until 22psi. I cant seem to narrow the 5psi gap. After some adjusting there is no leakage from the lid although it sounds like there might be some pressure coming out of the toggle, that normal? Maybe the thermostat needs to be cleaned or replaced?
Any tips, tricks, or advice?
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midgaar
Cultivator



Registered: 11/03/10
Posts: 98
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Last seen: 10 years, 5 months
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Re: AA Sterilizer questions [Re: midgaar]
#18746506 - 08/23/13 10:10 AM (10 years, 5 months ago) |
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I know there are some AA sterilizer users out there. I need to know if it is normal for the sterilizer to lose 5psi before turning itself back on. If I set it to turn off at 20psi the gauge will drop to 15psi before kicking back on and crawling back to 20psi. I only have 3-4 more days to return this thing if it's not working properly.
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stonesun
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Registered: 05/22/09
Posts: 5,444
Loc: 64º08'00"N 21º56'00"W
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Re: AA Sterilizer questions [Re: midgaar]
#18746542 - 08/23/13 10:19 AM (10 years, 5 months ago) |
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I don't think it should drop 5psi before turning back on. My AA75X is dialed in to 20psi, and it never drops more than 1 or 2psi before kicking back in. Sounds like you might have a dirty/faulty control valve. Unscrew the top part and check for mineral deposit. The weird part is that when I've had a bad valve it actually never reached the desired pressure and you could hear and feel the steam slowly escaping.
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midgaar
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Registered: 11/03/10
Posts: 98
Loc: Earth
Last seen: 10 years, 5 months
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Re: AA Sterilizer questions [Re: stonesun]
#18746611 - 08/23/13 10:34 AM (10 years, 5 months ago) |
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I spoke too soon, just got off the phone with the AA factory tech. The 25x model has a different thermostat then the 50/75x to save on costs. This thermostat indeed drops up to 5psi before cycling back on. The big brothers (50/75x) only drop 1-3psi.
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stonesun
Sclerotia Aficionado




Registered: 05/22/09
Posts: 5,444
Loc: 64º08'00"N 21º56'00"W
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Re: AA Sterilizer questions [Re: midgaar]
#18746668 - 08/23/13 10:45 AM (10 years, 5 months ago) |
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Thanks for that info, it's good to know. I also have a 25X too, but haven't used it for over a year now.
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midgaar
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Registered: 11/03/10
Posts: 98
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Last seen: 10 years, 5 months
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Re: AA Sterilizer questions [Re: stonesun]
#18746682 - 08/23/13 10:48 AM (10 years, 5 months ago) |
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I also learned that the 25x can be converted to a 50x for about $300. Now if I can just get my tyvek to stop melting when the psi goes above 20 I'll be good.
Edited by midgaar (08/23/13 10:48 AM)
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stonesun
Sclerotia Aficionado




Registered: 05/22/09
Posts: 5,444
Loc: 64º08'00"N 21º56'00"W
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Re: AA Sterilizer questions [Re: midgaar]
#18746739 - 08/23/13 10:57 AM (10 years, 5 months ago) |
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I think the only difference between the 25 and 50X is the heating element. 1050 and 1650W respectively. I wouldn't spend $300 on it though. Get SFD instead of tyvek.
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midgaar
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Registered: 11/03/10
Posts: 98
Loc: Earth
Last seen: 10 years, 5 months
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Re: AA Sterilizer questions [Re: stonesun]
#18746839 - 08/23/13 11:23 AM (10 years, 5 months ago) |
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The difference between the 25x and 50x is the heating element $60, the 2 wires $12, the thermostat $100, the control box $100, and the power cord $35.
I'm using spawn bags so SFDs are too think and small otherwise I would.
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stonesun
Sclerotia Aficionado




Registered: 05/22/09
Posts: 5,444
Loc: 64º08'00"N 21º56'00"W
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Re: AA Sterilizer questions [Re: midgaar]
#18746863 - 08/23/13 11:29 AM (10 years, 5 months ago) |
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And your filters on the spawn bags are melting?
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midgaar
Cultivator



Registered: 11/03/10
Posts: 98
Loc: Earth
Last seen: 10 years, 5 months
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Re: AA Sterilizer questions [Re: stonesun]
#18746896 - 08/23/13 11:36 AM (10 years, 5 months ago) |
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no no, I put Tyvek sleeves in the bags like in the RR video, the sleeves are melting to the sides of the bags.
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