my 3047 Loc runs slower as soon as I enable the smoke unit

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my 3047 Loc runs slower as soon as I enable the smoke unit - Enabling the 7226 smoke unit slows my engine.

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acwertheim		#1 Posted : 03 July 2016 19:33:06(UTC) Retweet
Joined: 05/10/2007(UTC) Posts: 77 Location: Hermon, Maine		Hi, I upgraded my analog 3047 loc. with a new high efficiently motor and an ESU lokpilot V4.0 decoder with a 7226 Smoke unit to work with F1 on my control unit. The loc runs great as long as I don't press the F1 function. The smoke unit works great but the speed of the loc, decreases immediately, and as soon as I discontinue the smoke unit it resumes the faster speed. Does anybody have any idea why this is happening? Thanks Abe
		acwertheim


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sgtb		#2 Posted : 04 July 2016 05:45:08(UTC) Retweet
Joined: 21/04/2014(UTC) Posts: 27 Location: Central Ohio		Hi Abe If this was mine, first I would check my connections and make sure I don't have a voltage drop to the decoder. When you say the loc slows down would it be shunting speed? Possible both are enabled when f1 is activated. Just a guess to get things started. Bob


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river6109		#3 Posted : 04 July 2016 10:36:37(UTC) Retweet
Joined: 22/01/2009(UTC) Posts: 14,715 Location: On 1965 Märklin Boulevard just around from Roco Square		Abe,2 scenarios: a.) F1 is also connected the loco half speed setting (switching mode) or the smoke generator is not connected to the track connection but ground connection on the decoder. I have 3 of these locos and none of them have these symptoms. John
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acwertheim		#4 Posted : 04 July 2016 12:57:49(UTC) Retweet
Joined: 05/10/2007(UTC) Posts: 77 Location: Hermon, Maine		Originally Posted by: river6109 Abe,2 scenarios: a.) F1 is also connected the loco half speed setting (switching mode) or the smoke generator is not connected to the track connection but ground connection on the decoder. I have 3 of these locos and none of them have these symptoms. John Hi John, Thanks for your help. You were right. I had the F1 output set by mistake to "switching mode" Now I have another question. According to ESU (website loksound.com/installation manual) The wiring diagram 6.8.1 of the lokpilot V4.0 decoder, I should keep the Aux1 connected between the green and blue wires. That is how I have wired the Marklin 7226 smoke unit. This means the 7226 is not connected to the chassis of the Loc. How do you do this when the 7226 slides into the steam opening of the chassis. So one side of the 7226 HAS to go to the chassis. This is not according to the ESU wiring diagram. Do I have to insulate the case of the 7226 against the chassis? Thanks Abe
		acwertheim


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sgtb		#5 Posted : 04 July 2016 14:00:01(UTC) Retweet
Joined: 21/04/2014(UTC) Posts: 27 Location: Central Ohio		Hi Abe Keep the green wire connected to the contact strip, tape off and don't use the blue wire for aux 1. The 7226 will ground itself in the metal body for this model. Bob


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acwertheim		#6 Posted : 04 July 2016 14:26:09(UTC) Retweet
Joined: 05/10/2007(UTC) Posts: 77 Location: Hermon, Maine		Originally Posted by: sgtb Hi Abe Keep the green wire connected to the contact strip, tape off and don't use the blue wire for aux 1. The 7226 will ground itself in the metal body for this model. Bob Hi Bob, Yes that works, but my 7226 does not smoke very much. If I tie the blue wire to the outside of the 7226 and insulate the case of the 7226 from the chassis it smokes much better. The voltage on the 7226 is also much higher than if I do it as you say. Let me know what you think. Abe
		acwertheim


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sgtb		#7 Posted : 04 July 2016 15:05:33(UTC) Retweet
Joined: 21/04/2014(UTC) Posts: 27 Location: Central Ohio		Hi Abe Good Question. I have 7 old steamers from the 80's I converted and wired this way and kept the same 7226 that were already installed. All smoke great since I went from analog to digital 4 years ago. I know you can adjust it in the programing, but haven't got on that side of it yet. Bob


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river6109		#8 Posted : 05 July 2016 10:50:22(UTC) Retweet
Joined: 22/01/2009(UTC) Posts: 14,715 Location: On 1965 Märklin Boulevard just around from Roco Square		there are several programming and connection methods, 1.) green wire to the contact sleeve and so far the smoke unit is concerned it will have the contact from the boiler (track). 2.) with a lok programmer you can adjust the heating temperature. while stationary or while moving 3.) do not use the setting for ESU smoke unit. John
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acwertheim		#9 Posted : 05 July 2016 15:41:41(UTC) Retweet
Joined: 05/10/2007(UTC) Posts: 77 Location: Hermon, Maine		Originally Posted by: river6109 there are several programming and connection methods, 1.) green wire to the contact sleeve and so far the smoke unit is concerned it will have the contact from the boiler (track). 2.) with a lok programmer you can adjust the heating temperature. while stationary or while moving 3.) do not use the setting for ESU smoke unit. John Hi Bob and John, Thanks for all your help. I have solved my problem. It seemed that my track voltage was not as high as it should have been. (I use my own design controller) I bought an Seuthe #9 that works on a lower voltage than the 7226. The smoke unit works now very good. Thanks again for all your help. Best regards Abe
		acwertheim

2 users liked this useful post by acwertheim		river6109, sgtb
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