|
|
|
0 members (),
50
guests, and
20
robots. |
|
Key:
Admin,
Global Mod,
Mod
|
|
|
|
Joined: Sep 2003
Posts: 200
OP
Member
|
I looked at an automotive shop job today. Only this evening did I realize that the single-phase compressor (7.5hp) and the TIG machine want *230V*.  The service is 120/208V 3-phase. I know most of the options (I think)... what are the least expensive workarounds for this? Or what is the typical fix?
|
|
|
|
|
Joined: Sep 2002
Posts: 946 Likes: 3
Member
|
For the compressor buck boost transformer.Does the TIG welder have taps to change voltage,as a lot of welding equipment is designed for multi voltage use,just change tap to desired voltage.
|
|
|
|
|
Joined: Jul 2004
Posts: 625
Member
|
Just a thought, it might be cheaper and or better to replace the TIG welder with a 3-phase 208 version, if the existing one doesn't have a 208 tap.
|
|
|
|
|
Joined: Sep 2003
Posts: 200
OP
Member
|
I have to double check... it all just dawned on me this evening. The welder is a Miller Maxstar 150. Judging from the online owner's manual it appears to auto-sense between 115 and 230V.
OTOH, the mig machine has both a 200V and 230V rating, so its fine.
|
|
|
|
|
Joined: Sep 2002
Posts: 946 Likes: 3
Member
|
Here is a link from Miller: http://www.millerwelds.com/products/tig/maxstar_150_sth/ This is one of 2 Maxstar models listed but this is copy and paste from same link:"Auto-Line™ Power Management technology circuitry automatically connects to 115 - 230 VAC, single-phase power without removing the cover to relink the power source."I did not read anything stating a 208V rating all data refered to operating @ 115 or 230V .
|
|
|
|
|
Joined: Sep 2003
Posts: 200
OP
Member
|
I'll give Miller's tech line a call on Monday. One local retailer said 208V is fine. Not that I'm going to take their word for it  Based on the price for a 208/230V-20A buck/boost for the welder ($600  ) I predict it will be cheaper to change the motor on the compressor if Devair says no-go.
|
|
|
|
|
Joined: Feb 2003
Posts: 687
Member
|
From the miller web:
Auto line power management tecnoligy circuitry automatically connects to 115 - 230 VAC, single-phase power without removing the cover to relink the power source.
Wonder what type of plug it has.
This tig is a newer type that only weighs 13 pounds and my guess is more capacitors and electronics then transformers.
Other miller units had:
Universal Location Flexibility
Permits direct connection to almost any type of input power—115-575 VAC (varies by product), 1- or 3-phase, 50 or 60 Hz
|
|
|
|
|
Joined: Sep 2002
Posts: 946 Likes: 3
Member
|
"Wonder what type of plug it has."
You install your own......
|
|
|
|
Posts: 47
Joined: March 2008
|
|
|
|
|
|
