Neil,
We also keep our machines on all week long. The only time we turn them off
is on the weekend. We also have EV and we have timers to turn them on early
enough so they are hot when we come in on Monday morning.
Richard Hamilton
Clemar Mfg. / Rain Bird
[log in to unmask]
> -----Original Message-----
> From: Neil Maloney [SMTP:[log in to unmask]]
> Sent: Thursday, June 10, 1999 8:31 AM
> To: [log in to unmask]
> Subject: [TN] Wave Sloder Shutdown
>
> My company recently purchased a new Electrovert Astrapak wave soldering
> machine, thus sending our old Hollis machine to the Smithsonian
> Institution
> (museum for the painfully antique production technology.)
> With the new machine installed, a question arises. In the past, at the
> end of each production day we would simply turn off the old Hollis machine
> and go home, letting the solder pot cool down overnight. With the "new and
> improved" machine, our installer tells us that we should leave the solder
> pot on overnight and on weekends. He says that the we would save energy by
> not cooling and reheating the 500 lbs of solder everyday, and the energy
> savings would be significant. He also says that most of his customers
> operate this way, leaving the pot on all the time.
> I am nervous about this, especially now that we live in the land of
> regulation (EPA, OSHA, local fire codes, etc). Using the 5 to 1 rule, ( 5
> watts used to cool of each watt used to heat)wouldn't the HVAC cost blow
> off
> any money saved keeping the pot on all night? Also, wouldn't I need to
> keep
> the exhaust fans running all the time, in case something dropped into the
> pot and started smoking?
>
> My question to Technet is this.... How many of you keep your solder pots
> hot
> all the time? Are there valid safety/cost issues here, or am I just
> paranoid?
>
>
> Respectfully,
>
> Neil Maloney
> Service Technician
> Contemporary Controls
> http://www.ccontrol.com
> e-mail: [log in to unmask]
>
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