From: clare@snyder.on.ca
On Fri, 5 Jul 2024 16:37:19 -0500, Snag wrote:
>On 7/5/2024 3:28 PM, Bob La Londe wrote:
>> On 7/5/2024 4:35 AM, Jim Wilkins wrote:
>>> "Bob La Londe" wrote in message news:v67bh1$2v2ot$1@dont-email.me...
>>>
>>> I considered that, but I want both compressors 100% or what's the point
>>> of having a backup.
>>>
>>> I can haul heavy stuff. Its just time consuming, plus the 2 hours (+/-)
>>> of road time. Also, its going to take time to move one compressor in
>>> and the other out. I am considering an "outdoor" compressor closet, and
>>> plumb in both compressors together. Just have valves to shut one off
>>> from the distribution lines and only turn on one or the other.
>>>
>>> That might actually be faster than a swap, and down time would be much
>>> less too.
>>>
>>> Might see about some sort of transfer switch so I can't accidentally
>>> turn them both on at once.
>>>
>>> It would be nice to get the compressor noise out of the back shop.
>>>
>>> Bob La Londe
>>> -------------------------------------
>>>
>>> Check valves in the lines and a double throw power switch (3 ph
>>> fwd/rev) would give you those features automatically, and you could
>>> omit the valves.
>>>
>>> Can someone explain gladhands to me? I'm wondering if they would be
>>> better than the garden hose couplers I use to flexibly connect and
>>> reconfigure my 120 PSI max air system, in which the air may flow in
>>> either direction. A Net search suggests they can be dangerous to
>>> handle because they don't close automatically when disconnected.
>>>
>>> Though not a perfect fit or pressure seal, a 3/4" PVC pipe plug will
>>> keep dirt and bugs out of a disconnected female hose end.
>>>
>>
>>
>> If I could get all the tiny little losses eliminated I'd be tempted to
>> use both tanks for air storage, and just periodically switch which
>> compressor fills them. Then even if a compressor failed it would carry
>> the air seals for hours.
>>
>> I also considered some sort of auto backup. The easy way would be to
>> set the backup compressor to switch on at a lower pressure, but there
>> are a number of small issues that could cause both compressors to run at
>> the same time. That's power I do not always have. I never intended to
>> have a working machine shop. This was just supposed to be a warehouse
>> for my contracting business. I only have a 100 amp sub panel feeding
>> everything. I know. I know. Upgrade the sub panel. The house only
>> has a 200 amp main, and my wife wants to run electric demand heaters.
>> I'll have to upgrade the house main first.
>>
>>
>>
>
> Can you set up a relay lockout that whichever compressor is running
>will cut power to the other ? An "or" gate type setup .
Just a pilotted (monitored) relay with the pilot on one in series
with the coil of the other
--- SoupGate-Win32 v1.05
* Origin: you cannot sedate... all the things you hate (1:229/2)
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