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relay or isolator


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oldspark 
Gold - Posts: 4,913
Gold spacespace
Joined: November 03, 2008
Location: Australia
Posted: December 21, 2010 at 6:07 PM / IP Logged  
Geez it hard getting spec on the PAC.
It wasn't until I saw the SPR-200 that it was confirmed that the PAC-200 is a mere relay.
The SPR-200 is merely a PAC-200 with a BC-12 voltage sensor.
That shows how - for automatic isolation - you can spend an extra $35-$80 for no reason.
But wait - is the BC-12 adjustable? No - it will not isolate batteries until partially charged. (12.5V?)
What delays does the BC-12 have ? Good question. No info.
But it uses a microprocessor - I suspect one of those quad-analog LM series. What a pity they want to all that expense and didn't add a simple adjustment feature (whether Philips, USB, or line signaling).
BTW - I like the installation instructions.
First for the PAC-200 - does anyone see a (power wiring) problem?
Then for the PAC-200 in the SPR-200 kit.
relay or isolator - Page 2 -- posted image.
relay or isolator - Page 2 -- posted image.
Sorry rfhvhtoo - I hijacked a bit.
Not that you'd be using a PAC-200 or -400 for your 4kW system - this is more for the amusement of regulars, and as a hint for prospective installers.
rfhvhtoo 
Copper - Posts: 238
Copper spacespace
Joined: June 13, 2008
Location: Florida, United States
Posted: December 22, 2010 at 7:40 PM / IP Logged  
I actually do need the PAC-250 for the 4k system correct? I thought thats how both the isolators and relays were measured, by the amount of current draw to your amps can continuously go through it.
If im wrong. thank g*d...
And the Power for the relay is the accessory wire from the head unit. The same remote wire one that goes to your amps also turns on the relay.
and its fine hijack it all you need, I'll be learning too lol
I can't hear you!
oldspark 
Gold - Posts: 4,913
Gold spacespace
Joined: November 03, 2008
Location: Australia
Posted: December 23, 2010 at 12:14 AM / IP Logged  
Que?
A 250A relay for a 500A load - I don't think so!
And I assumed you were going to charge the 2nd battery even if the amp wasn't in use...
rfhvhtoo 
Copper - Posts: 238
Copper spacespace
Joined: June 13, 2008
Location: Florida, United States
Posted: December 23, 2010 at 12:47 AM / IP Logged  
Oh alright I thought you were saying that was PAC-200 was TOO BIG. I was like waitttt a minute. But could I not go off of the fuse ratings of my amplifiers as well?
I can't hear you!
rfhvhtoo 
Copper - Posts: 238
Copper spacespace
Joined: June 13, 2008
Location: Florida, United States
Posted: December 23, 2010 at 1:56 AM / IP Logged  
And yeah I am going to charge the 2nd battery even when the amp isn't in use. I'm thinking about going with this cheap one and test the waters. Check how hott it is after playing for a while. Only 25$ worth a shot!
http://#/ws/eBayISAPI.dll?ViewItem&item=270534007577&viewitem=&sspagename=STRK:MEWAX:IT#ht_1664wt_1165
I can't hear you!
oldspark 
Gold - Posts: 4,913
Gold spacespace
Joined: November 03, 2008
Location: Australia
Posted: December 23, 2010 at 2:17 AM / IP Logged  
rfhvhtoo wrote:
I thought you were saying that was PAC-200 was TOO BIG.
LOL! You crack me up.... Yeah - you have to avoid "too big" relays - they are like batteries that are too big for your electrics and supply too much current.....   relay or isolator - Page 2 -- posted image.
The relay should (or must) exceed the equipment fuses.
But somehow I doubt a 4000W RMS amp will have only 250A of fuse(s)!
(Bullsh amps like those Boss, Evolution, Soundstream OL/EV/XXX-4(KD/000) are not 4k RMS output....)
And for those amps without fuses, your relay should (or must) exceed your battery fuse rating.
oldspark 
Gold - Posts: 4,913
Gold spacespace
Joined: November 03, 2008
Location: Australia
Posted: December 23, 2010 at 2:20 AM / IP Logged  
rfhvhtoo wrote:
And yeah I am going to charge the 2nd battery even when the amp isn't in use.
How?
rfhvhtoo 
Copper - Posts: 238
Copper spacespace
Joined: June 13, 2008
Location: Florida, United States
Posted: December 23, 2010 at 2:35 AM / IP Logged  
See I'm catchin on! lol
I will charge all the batteries once a month @ 8amps on the 4 step charger. I called shuriken and they said there is no specific way of charging the batteries, and their battery charger is a 73.5 amp charger. (it claims 1000 watts output at 13.6v so I just did the math)
If I have the batteries hooked up parallel can I can I charge them all at once? With them each being at a different level of charge I would think "no" but you never with technology these days.
I can't hear you!
oldspark 
Gold - Posts: 4,913
Gold spacespace
Joined: November 03, 2008
Location: Australia
Posted: December 23, 2010 at 2:40 AM / IP Logged  
rfhvhtoo wrote:
See I'm catchin on! lol
I certainly have yet to see evidence of that. lol!
rfhvhtoo wrote:
I will charge all the batteries once a month @ 8amps on the 4 step charger.
Once a month?
Surely you mean after every use? (eg - every day?)
rfhvhtoo 
Copper - Posts: 238
Copper spacespace
Joined: June 13, 2008
Location: Florida, United States
Posted: December 23, 2010 at 2:49 AM / IP Logged  
im trying man lol
We'll I dont BURP my radio or anything draining the batteries as much as possible. Like my radio gets about a 30 minute play on the daily basis, simply because law enforcement is fierce. So I play it on the highway on the way to work for about 5 minutes each way Nice and loud, and barely audible outside of the vehicle in the city for about 20 minutes when just driving. I mean if I see a difference in floating within a week then Ill see about charging it more frequently lol
I can't hear you!
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