Scotty2018
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SD-10 Wiring

Sun Aug 26, 2018 5:18 pm

Hi all,

I've been tasked to refurbish the paint on an SD-10, however as it has apparently sat for a while I am wanting to corroborate my wiring with what others have used on here before. It will be installed by our city electric guys, however they have little knowledge of sirens. The controller is all in place, we are just replacing the head.

Adam Pollak
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Re: SD-10 Wiring

Sun Aug 26, 2018 6:33 pm

Is it single phase or 3 phase? Single phase will have 2 main wires coming out from motor. 3 phase will have 3 main wires coming out, but they are formed from 9 lead wires coming out of the motor and joined together depending on high or low voltage. The tag on the motor should also say. With 3 phase it’s important whether your supply is 240 or 480 volts and which way the siren is wired. You can almost always change the motor voltage from 240 to 480 (or vise-versa) with a 3 phase. The direction of spin doesn’t not matter for an SD-10 siren on 3 phase power (some sirens are only meant to spin one direction)

Can you post any pictures? And what town/area...just out of curiosity.
http://youtube.com/CrazySirenBoy
Proud owner of: Thunderbolt 1003, Thunderbolt 1000, STH-10A, Model 5BT, Model 5B, Model 3B, Model 2T (noon daily @ 1/2 voltage), Model 2, Decot, Sterling Little Giant

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Hacksaw
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Re: SD-10 Wiring

Mon Aug 27, 2018 12:14 am

Figure 3-14, on page 21 here, for 3 phase motors:

http://www.civildefensemuseum.org/siren ... 5A154F.pdf

Scotty2018
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Re: SD-10 Wiring

Mon Aug 27, 2018 11:31 pm

Thanks! I will get some pictures tomorrow when I am back on shift. The siren is located in Grant County, KY. I believe it will be getting a full refurbishment.

Scotty2018
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Re: SD-10 Wiring

Tue Aug 28, 2018 8:41 pm

Can anyone confirm if removing the chopper from the motor is as easy as unbolting it from the centre of the chopper and it slides off? Pictures below any wiring advice appreciated as I cannot see plate anywhere.


https://ibb.co/gnKhXp
https://ibb.co/bKobsp
https://ibb.co/fwgUCp

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Travis
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Re: SD-10 Wiring

Tue Aug 28, 2018 9:28 pm

You'll need a wheel puller with Grade 8 bolts to get the rotor off.
-The Princess

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Hacksaw
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Re: SD-10 Wiring

Thu Aug 30, 2018 12:24 am


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