If a picture is worth a thousand words in the above schematic for Century 141-240, Solar 1200 30/150A charger utilizes similar Century 865-574-666 Rectifier Assembly 30 Amp 6 Diode W/Breaker. Lead configuration (as illustrated) shows parallel connections between two banks of three diodes thus I think perhaps the attached schematic will greatly assist someone!
What is obvious from the picture of diode holder assembly (above) it illustrates the "red" (+ "Anode") polarity reference band on the individual diodes facing heat-sink, "black" (- Cathode) facing holder body! What isn't certain is if the actual "diode holder" has any internal bridge connection, and thus the leads (as per illustration above) suggests. For clarity, keynote is "6 diode buttons". Q> As Carl wrote "I'm honestly unsure why there's six diodes and not four?"Ī> I'm fairly certain what is not mentioned is the charger is likely 6v/12v and likely 30/150A charger.
Each individual diode button has polarity indicator ring on either side of diode(red/black)! Without full particulars available on Cen-Tech 69368 If this maybe helps anyone the rectifier assembly illustrated above is missing "two" secondary output studs which must be insulated from the rectifier plate assembly. Oh, and if this project turns into a smoke bomb my only concern is I hope it's not a wimpy poof. I found 6 for $22 and they're only a couple thousand miles away.so we have time. I didn't know if I should be concerned with current flow when ordering the stud diodes, or if they will all be the same? The only info I could find on the old button diodes was RR50 50 Amp diodes, and the new ones I ordered are 1 PC 70HTR120 70A/1200V Metal stud type Rectifier diodes.
I wasn't sure since they were unreadable and untestable and I couldn't even locate a schematic. I was concerned that the old button diodes may have had the anode facing the plate for some and the cathode for others. I assumed this plate was some sort of rectifier, although I'm honestly unsure why there's six diodes and not four? My electronic knowledge is limited, but I recall seeing rectifier circuits with four diodes that seemed to directed current in various directions. I'll attempt to explain why and what confuses me.
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