New EFR ZS-1250 Tube Question

[Meagan Britz]

Hi All,

I have just purchased a new EFR ZS-1250 tube and am ready to switch out my old tube (EFR F2, Y88A-1026) but I notice the old tube has two wires and the new one only has one.

I have an 80 w Shenhui machine. I was wondering if I got the wrong tube for my machine?

Thanks,
Meagan

[James Minick]

Should have positive + at one end and negative terminal at the other. You may need to attach one or the other.

[Meagan Britz]

Hi James,

Thanks for posting the schematic. Normally the tubes have a little glass nipple attachment point which is internally wired that you can attach to (like picture #1)
Attachment 420439

The ZS-1250 has none. So where do I attach the new lead on the negative please?
Pic 2.jpg

Meagan

[Steve Utick]

Hi James,

Thanks for posting the schematic. Normally the tubes have a little glass nipple attachment point which is internally wired that you can attach to (like picture #1)
Attachment 420439

The ZS-1250 has none. So where do I attach the new lead on the negative please?
Pic 2.jpg

Meagan

The ground line gets attached to the small screw that's on the metal collar, right under the water line.

[Meagan Britz]

Great! Thanks, that was the guess but I don't want to break my new toy. Should I solder it on? (my guess is yes)

[James Minick]

I would use another method. Heat can cause your tube to shatter or create a weak spot.
Use a terminal if possible.
Sorry I didn't get back to you sooner, holiday here.

James

[Rich Harman]

Great! Thanks, that was the guess but I don't want to break my new toy. Should I solder it on? (my guess is yes)

Certainly not! Unless you mean to solder a terminal onto the wire, than attach the terminal via that screw. That would be okay but crimping the terminal to the wire is the "right" way to do it. In a pinch, you could just wrap the wire around the screw and tighten it down but I would not leave it like that for long.

[James Minick]

If you must solder... Remove the screw, Fab a piece of wire with a GOOD connector, solder to the screw, replace the screw.

[Meagan Britz]

Hello All!

I hope you had a happy Thanksgiving and are enjoying your long weekend! I miss the Turkey, stuffing and cranberry!

Thank you all so much for setting me straight! It is hugely appreciated. I will fit the thing today and should be back up and running. Good timing as I have orders waiting!