| [GMCnet] Viair Compressor Duty Cycle [message #69624] |
Mon, 04 January 2010 16:18  |
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USAussie
Messages: 15912
Registered: July 2007
Location: Sydney, Australia
Karma:
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Senior Member |
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G'day,
I just got the email below from Viair.
Rob Mueller
Sydney, Australia
AUS '75 Avion-The Blue Streak TZE365V100428
USA '75 Avion-Double Trouble TZE365V100426
-----Original Message-----
From: Lance Martz [mailto:lancem@viaircorp.com]
Sent: Tuesday, 5 January 2010 9:02 AM
To: 'Rob Mueller'
Subject: RE: Duty Cycle
Rob,
The 275C is 25% duty at 100 PSI.
Duty cycle is tested at 100 PSI and 72 degrees ambient temperature.
We must rate duty cycle at a constant temperature and pressure, since these
are the two variables that affect duty cycle most directly.
Using this rate, a 25% duty compressor can be operated for 10 minutes, and
should be allowed to rest for 30 minutes following a 10 minute run cycle.
If the temperature is above 72 degrees Fahrenheit, you may experience
shorter run times.
If the temperature is below 72 degrees Fahrenheit, you may experience longer
run times.
Either way, the compressor is equipped with a thermal overload protection
circuit that will cut power to the unit if overheated. When cooled
adequately, the compressor can be re-started as usual.
Thanks,
Lance Martz
Marketing Manager
VIAIR Corporation
tel: 949-585-0011
fax: 949-585-0188
email: lancem@viaircorp.com
-----Original Message-----
From: Rob Mueller [mailto:robmueller@iinet.net.au]
Sent: Wednesday, December 30, 2009 3:50 PM
To: lancem@viaircorp.com
Subject: RE: Duty Cycle
Lance,
Yes and no.
I appreciate your response and understand that a compressor with a 100% duty
cycle would work (obviously), however, I also wanted to know:
“How long can I run the 275C before I need to shut it down and how long will
I have to leave it off to cool down?”
Thanks,
Rob Mueller
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Regards,
Rob M. (USAussie)
The Pedantic Mechanic
Sydney, Australia
'75 Avion - AUS - The Blue Streak TZE365V100428
'75 Avion - USA - Double Trouble TZE365V100426
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