Czonka relay and protective diode

champy · 04-19-2008, 05:13 PM

Hi all,
Long time, no post. I finally saved the dough to order my controller and contactor the other day and I'm now awaiting their arrival. In anticipation of this, I've been doing to reading and trying to make sure I do this right. I've ordered the 72 Volt Buggies unlimited controller

and a Czonka Kilovac EV200 Relay.

http://www.evparts.com/prod-SL2570.htm

My question is this: Alltrax website has a PDF document

http://www.alltraxinc.com/files/Doc1...ns-Learned.pdf

That highly recommends placing a Diode across the contactor coils to keep "fly-back voltage" out of the controller. I believe the Czonka's already have a capacitor built in to prevent arcing. Do they also have this protective diode built-in, or is that something I need to get? I haven't been able to see anything in the Czonka relay's specs,

http://www.evparts.com/img/SL2570.pdf

but I'm sure someone here probably knows. Thanks in advance!

roady89 · 04-19-2008, 05:26 PM

What does BU reccomend with their controller?

champy · 04-19-2008, 05:37 PM

They have their own contactor for sale

http://www.buggiesunlimited.com/prod...LN%20UNV%2072V

but it's currently listed as "back-ordered," so I went with the Czonka, which seems to receive glowing reviews from everyone. They've been pretty close-mouthed regarding specifics though. I've e-mailed back and forth a lot with some of their (BU's) guys and the only literature I've managed to procure is a wiring diagram for an EZ-Go cart that doesn't actually apply to this controller, but is close (the diagram shows a 0-5Kohm Pot whereas this controller takes a 5-0). In short, I'm hoping some sort of literature comes with it, but otherwise, I'm just left to proceed very carefully.

roady89 · 04-19-2008, 06:23 PM

They don't have a diode. I have never fealt a need to use one on any of my controller carts. If you think you need one go ahead, it's not gonna hurt anything and should not cost much. I can't comment on the Buggies Unlimited Speed Controller as I have never used one.

04-19-2008, 05:13 PM	#1
champy Not Yet Wild Join Date: Jun 2007 Posts: 24	Czonka relay and protective diode Hi all, Long time, no post. I finally saved the dough to order my controller and contactor the other day and I'm now awaiting their arrival. In anticipation of this, I've been doing to reading and trying to make sure I do this right. I've ordered the 72 Volt Buggies unlimited controller and a Czonka Kilovac EV200 Relay. http://www.evparts.com/prod-SL2570.htm My question is this: Alltrax website has a PDF document http://www.alltraxinc.com/files/Doc1...ns-Learned.pdf That highly recommends placing a Diode across the contactor coils to keep "fly-back voltage" out of the controller. I believe the Czonka's already have a capacitor built in to prevent arcing. Do they also have this protective diode built-in, or is that something I need to get? I haven't been able to see anything in the Czonka relay's specs, http://www.evparts.com/img/SL2570.pdf but I'm sure someone here probably knows. Thanks in advance!
champy Not Yet Wild Join Date: Jun 2007 Posts: 24

04-19-2008, 05:26 PM	#2
roady89 nimda Join Date: Jun 2007 Posts: 13,022	Re: Czonka relay and protective diode What does BU reccomend with their controller?
roady89 nimda Join Date: Jun 2007 Posts: 13,022

04-19-2008, 05:37 PM	#3
champy Not Yet Wild Join Date: Jun 2007 Posts: 24	Re: Czonka relay and protective diode They have their own contactor for sale http://www.buggiesunlimited.com/prod...LN%20UNV%2072V but it's currently listed as "back-ordered," so I went with the Czonka, which seems to receive glowing reviews from everyone. They've been pretty close-mouthed regarding specifics though. I've e-mailed back and forth a lot with some of their (BU's) guys and the only literature I've managed to procure is a wiring diagram for an EZ-Go cart that doesn't actually apply to this controller, but is close (the diagram shows a 0-5Kohm Pot whereas this controller takes a 5-0). In short, I'm hoping some sort of literature comes with it, but otherwise, I'm just left to proceed very carefully.
champy Not Yet Wild Join Date: Jun 2007 Posts: 24

04-19-2008, 06:23 PM	#4
roady89 nimda Join Date: Jun 2007 Posts: 13,022	Re: Czonka relay and protective diode They don't have a diode. I have never fealt a need to use one on any of my controller carts. If you think you need one go ahead, it's not gonna hurt anything and should not cost much. I can't comment on the Buggies Unlimited Speed Controller as I have never used one.
roady89 nimda Join Date: Jun 2007 Posts: 13,022

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