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Old Coleman Powermate Generator question #192170 01/30/10 01:43 PM
Joined: Jan 2005
Posts: 109
Grover Offline OP
Member
I have acquired an older Coleman Powermate PM0545202.01 5Kw generator.

It has 120/240 volt receptacles: 2 NEMA 5-15R, and 1 6-15R, but I can not seem to find a schematic for it. I am quite surprised that the 240V receptacle is 15A...

My question is, can I get 240V with a neutral out of it, or are the windings completely separate?

Thanks in advance.

Grov

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Re: Old Coleman Powermate Generator question [Re: Grover] #192179 01/30/10 10:03 PM
Joined: Oct 2005
Posts: 12
D
davemica Offline
Member
I had one of those. Mine did not have a neutral, the 240 was straight 240.

Re: Old Coleman Powermate Generator question [Re: davemica] #192183 01/31/10 10:17 AM
Joined: Jan 2005
Posts: 109
Grover Offline OP
Member
that's what I was afraid of.... Do you happen to have a schematic of the windings?

Re: Old Coleman Powermate Generator question [Re: Grover] #192185 01/31/10 01:48 PM
Joined: Oct 2005
Posts: 12
D
davemica Offline
Member
I don't have a schematic.

Re: Old Coleman Powermate Generator question [Re: davemica] #192187 01/31/10 02:41 PM
Joined: Jul 2004
Posts: 9,571
G
gfretwell Online Content
Member
I think if you have 120 and 240 it must have a shared neutral unless there are 2 completely separate windings and a meter should show you that (ohm scale). My bet is you have 120-0-120 just like your house. Have you tried measuring between the hots of the two 5-15s? Is that is 240? Is there continuity between those neutrals? (more evidence that it is likely center tapped).
The open question is if the neutral is bonded.


Greg Fretwell
Re: Old Coleman Powermate Generator question [Re: gfretwell] #192201 02/01/10 11:57 AM
Joined: Jan 2005
Posts: 109
Grover Offline OP
Member
Thanks Greg!

I'll check later today, but we're thinking along the same lines. Gotta wait 'till the temp gets up to at least 20!

Re: Old Coleman Powermate Generator question [Re: Grover] #192236 02/02/10 07:31 PM
Joined: Jul 2004
Posts: 783
L
LarryC Offline
Member
I used to repair those generators. No, I do not have any schematics. However Century Powermate built most of the store branded equipment. Therefore Snap-on, Sears, Montgomery-Wards, Coleman, Schauer, any of the automotive part store chains branded generators, welders, battery chargers, etc are all built by Century Powermate. The only differences are typically sheet metal and paint.

If you can find a schematic for a similar sized private label brand generator, it will probably be the same schematic.

Larry C


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