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Re: [TowerTalk] UST MDX-589 Electrical Question

To: TowerTalk <>
Subject: Re: [TowerTalk] UST MDX-589 Electrical Question
From: Alan NV8A <>
Date: Mon, 18 Feb 2008 16:56:52 -0500
List-post: <">>
On 02/18/08 03:46 pm Les Kalmus wrote:

> I have an older US Tower, model MDX-589. The motor is wired for 120V. 
> The motor label clearly shows it can be set for 240V.
> I have had 240V brought to the tower site. Can someone tell me if the 
> raise/lower toggle switch needs rewiring for 240V?
> If so what needs to be done? I know people with MDX-589 towers which run 
> at 240V but I don't know if the switching is the same.

The docs. pertaining to my HDX-555 with MCL100 Limit Switch package 
include a section headed "1 HP wiring for 220V":

        "Black T4
        Tape T2 & T3
        Tape P2
        White P1
        Green T5
        Red T8"

-- where Tx and Px refer to terminals on the motor. There is no mention 
of changes to other wiring.

NOTE: I cannot guarantee that the above connections do in fact apply to 
your motor and control system. If you blow them up, it's not my fault.


Alan NV8A

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