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Old 05-28-2013, 02:08 PM   #21
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I did this mod before the delay relay, it did not reduce the start up load near enough for my needs and the demand of the Coleman Mach 3 15K.
Delay module seem to have cured that?
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Old 05-28-2013, 02:36 PM   #22
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Delay module seem to have cured that?
Oh, yea. Start up drain dropped 10 amps.
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Old 05-28-2013, 02:40 PM   #23
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Oh, yea. Start up drain dropped 10 amps.
Very nice!
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Old 05-28-2013, 03:35 PM   #24
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Yeah it is pricey, but I like the principle of how it works and I have heard of some of the kit relays burning out. I opened my Dometic unit up last year to find that the startup cap is an option that was not installed, so I thought to at least install the Dometic hard start kit. It works with my generator if its the only thing running at startup. I will try the fan delay here soon to get those extra couple of amps back.
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Old 05-28-2013, 04:15 PM   #25
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Yeah it is pricey, but I like the principle of how it works and I have heard of some of the kit relays burning out. I opened my Dometic unit up last year to find that the startup cap is an option that was not installed, so I thought to at least install the Dometic hard start kit. It works with my generator if its the only thing running at startup. I will try the fan delay here soon to get those extra couple of amps back.
The advantage of the relay we selected is that it goes in the thermostat wiring and not the compressor line wiring (although by removing a jumper you could).

It just delays the "go" signal to the fan motor from 3 seconds to several minutes. Since the dial is so "course", I have it "almost" off and it is about 5 seconds by my watch.
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Old 05-28-2013, 04:24 PM   #26
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Originally Posted by herk7769 View Post

The advantage of the relay we selected is that it goes in the thermostat wiring and not the compressor line wiring (although by removing a jumper you could).

It just delays the "go" signal to the fan motor from 3 seconds to several minutes. Since the dial is so "course", I have it "almost" off and it is about 5 seconds by my watch.
Mines about 8 seconds.
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Old 05-28-2013, 04:27 PM   #27
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Mines about 8 seconds.
I can move it several seconds just by putting a screwdriver blade in the slot and think bad thoughts.
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Old 05-28-2013, 04:29 PM   #28
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I can move it several seconds just by putting a screwdriver blade in the slot and think bad thoughts.
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Old 05-29-2013, 07:28 PM   #29
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Mines about 8 seconds.
Hey guys,

I just installed the timer delay today that I got from Graingers. It seems when I turn it to the lowest delay, I get about 4 seconds. When I turn it a hair to make it delay a little longer, I get 32 seconds. I don't seem to get anything in between.

Do you guys think I should take it back and have Graingers swap it out. The a/c did start today on a Yamaha 2400is at near 90 degrees, so I think it did solve my problem. I was just wondering if I should have more like 5 or 6 seconds. Would 32 seconds be to long for the compressor to engage without a fan.

Thanks for all the great help!

Ponti
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Old 05-29-2013, 07:48 PM   #30
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Hey guys,

I just installed the timer delay today that I got from Graingers. It seems when I turn it to the lowest delay, I get about 4 seconds. When I turn it a hair to make it delay a little longer, I get 32 seconds. I don't seem to get anything in between.

Do you guys think I should take it back and have Graingers swap it out. The a/c did start today on a Yamaha 2400is at near 90 degrees, so I think it did solve my problem. I was just wondering if I should have more like 5 or 6 seconds. Would 32 seconds be to long for the compressor to engage without a fan.

Thanks for all the great help!

Ponti
That seems about right. A heartbeat past 4 seconds is all you need.
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