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Ctek 250S Dual
Posted: Mon Sep 26, 2016 4:57 pm
by pietdevs
I have a CTec 250S dual in my bakkie as a dual battery system. I can connect a solar panel to the Ctec which is no problem. Can I connect 2 solar panels to the Ctek terminals - it has different power deliveries. The one is 75 Watt and the other is 100 Watt. I will appreciate your comments
Re: Ctek 250S Dual
Posted: Mon Sep 26, 2016 5:46 pm
by ChrisF
Pieter I have connected two similar panels in parallel.
I have been told that it is not a good idea to connect dis-similar panels together, not in series nor in parallel ...
Re: Ctek 250S Dual
Posted: Mon Sep 26, 2016 6:11 pm
by pietdevs
I thought so! Wat nou? Werk joune reg Chris?
Re: Ctek 250S Dual
Posted: Mon Sep 26, 2016 6:53 pm
by ChrisF
JIP, met soortgelyke panele in parallel werk die Ctek perfek.
Re: Ctek 250S Dual
Posted: Mon Sep 26, 2016 7:23 pm
by Cinco
I had two fold up 80W (40 + 40) and I broke one half on one of them about three years ago. Since then I have been running them in parallel (80 + 40) through a ctek with no problem. Ignorance is bliss.
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Re: Ctek 250S Dual
Posted: Tue Sep 27, 2016 5:53 am
by Lomies
Ek het ook twee son panele wat ek saam op koppel op my ctek. Die een is n 150w en die ander een n 80w. Altwee is dieselfde maak. Dit werk goed.
Re: Ctek 250S Dual
Posted: Tue Sep 27, 2016 6:08 am
by ChrisF
Thanks gents. So much for the old wifes tales of dis-similar panels ....
Re: Ctek 250S Dual
Posted: Tue Sep 27, 2016 6:55 am
by Family_Dog
Parallel connection with two dissimilar panels should be no problem, but for series connection they should be identical, otherwise they will only work as well as the smallest one.
-F_D
Re: Ctek 250S Dual
Posted: Tue Sep 27, 2016 11:13 am
by Foksie
Hallo julle ook net gou n vraag. Ek het ook n 250 Dual maar net met een Soarce terminaal, dis nie soos die nuwes wat 2 het nie. Kan die soarce van die altenator en n son paneel gelyk wees of kan jy net een op n slag as soarce gebruik
Re: Ctek 250S Dual
Posted: Tue Sep 27, 2016 12:03 pm
by Thunder02
Foksie wrote:Hallo julle ook net gou n vraag. Ek het ook n 250 Dual maar net met een Soarce terminaal, dis nie soos die nuwes wat 2 het nie. Kan die soarce van die altenator en n son paneel gelyk wees of kan jy net een op n slag as soarce gebruik
Hi, You can't join the alternator and solar panel onto the same terminal. The unit will not be able to handle it.
Re: Ctek 250S Dual
Posted: Tue Sep 27, 2016 12:17 pm
by Foksie
Ok Thanks
Re: Ctek 250S Dual
Posted: Wed Sep 28, 2016 8:54 pm
by Cinco
That sounds like the SMART PASS (3 terminals)and not the dual?
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Re: Ctek 250S Dual
Posted: Thu Sep 29, 2016 8:33 am
by WayneSchalk
Cinco wrote:That sounds like the SMART PASS (3 terminals)and not the dual?
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Nope, you do get the older one that was only a DC-DC Ctek 250s that had 3 terminals, you cannot connect a solar panel, the later version is the dual with 4 terminals where you can connect the alternator and a solar panel
Re: Ctek 250S Dual
Posted: Fri Sep 30, 2016 8:17 am
by mushroom
IIRC - the maximum input votage is 23V - so you must connect in parrallel if they are big panels.
Re: Ctek 250S Dual
Posted: Sun Oct 02, 2016 6:47 pm
by Johan Kriel
Max 20 amps of course.
In series is not possible with the ctek 250, as said the max volts is the limitation.
But otherwise if the amps are more or less the same one can use it in series, but the output is as said that of the lowest one. In parallel, if the volts are not the same the volts will settle somewhere in between and gives more or less the combined amps.
Re: Ctek 250S Dual
Posted: Mon Oct 03, 2016 4:19 pm
by Foksie
WayneSchalk wrote:Cinco wrote:That sounds like the SMART PASS (3 terminals)and not the dual?
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Nope, you do get the older one that was only a DC-DC Ctek 250s that had 3 terminals, you cannot connect a solar panel, the later version is the dual with 4 terminals where you can connect the alternator and a solar panel
The Manual refers to a supply does that mean only a altenator or can the the supply be from solar as well.
Re: Ctek 250S Dual
Posted: Mon Oct 03, 2016 7:10 pm
by WayneSchalk
Foksie wrote:WayneSchalk wrote:Cinco wrote:That sounds like the SMART PASS (3 terminals)and not the dual?
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Nope, you do get the older one that was only a DC-DC Ctek 250s that had 3 terminals, you cannot connect a solar panel, the later version is the dual with 4 terminals where you can connect the alternator and a solar panel
The Manual refers to a supply does that mean only a altenator or can the the supply be from solar as well.
Hi Frank,
jy het mos die een wat net 3 terminale het? Indien so kan jy net van die alternator af op koppel, die met 4 terminale het 'n ingeboude MTTP solar regulator.
Re: Ctek 250S Dual
Posted: Tue Oct 04, 2016 6:42 am
by Foksie
WayneSchalk wrote:Foksie wrote:WayneSchalk wrote:Cinco wrote:That sounds like the SMART PASS (3 terminals)and not the dual?
Sent from my iPhone using Tapatalk
Nope, you do get the older one that was only a DC-DC Ctek 250s that had 3 terminals, you cannot connect a solar panel, the later version is the dual with 4 terminals where you can connect the alternator and a solar panel
The Manual refers to a supply does that mean only a altenator or can the the supply be from solar as well.
Hi Frank,
jy het mos die een wat net 3 terminale het? Indien so kan jy net van die alternator af op koppel, die met 4 terminale het 'n ingeboude MTTP solar regulator.
Baie dankie ek verstaan