How To Wire The MS4SM-AP-ADC - Electrical - DIY Chatroom Home Improvement Forum

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Old 04-26-2011, 11:31 AM   #1
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How to wire the MS4SM-AP-ADC

I am trying to figure out how to connect the MS4SM-AP-ADC properly. All I want to do is hook this relay up to a light so I can have automatic lights for my house. This started as a quick DIY home project that quickly became extremely frustrating. I can get power to the relay, but not out of the relay to the lights without blowing my GFI outlet. Here is a link to the relay with all the technical info.

I called automation direct about the wiring and the tech support guy treated me like an idiot AFTER I explained to him that this was just a "fun" project I was working on. He said it was no different that wiring a light bulb that may be, but I still need to know which pins to connect to coming out of the relay!

Any help would be much appreciated,



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Old 04-26-2011, 08:30 PM   #2
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Please explain how you have it wired. I don't understand why it would trip your GFCI unless you have something massively screwed up. I looked at the manual and it really does seem almost as simple as wiring a light switch. The timer has two sets of internal relays, each with three terminals: common, normally open, and normally closed. Connect the two commons (pins 1 and 11) to incoming power and connect your lights to the normally open terminals (pins 3 and 9). Of course, the timer itself needs power on pins 2 and 10 for the internal circuitry.


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Old 04-26-2011, 08:53 PM   #3
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WHY are you using such a complicated industrial unit for such a simple task???

A programmable in-wall timer would be MUCH less expensive, MUCH easier and simple to install, a MUCH cleaner install, and the tech guy would not treat you like an idiot for making a simple task into a huge one.
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gfi , ground fault interupter , ms4sm-ap-adc , relay wiring

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