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Yanmar 2ym15 temp switch or sender

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Created by jbarnes85 > 9 months ago, 22 Feb 2020
jbarnes85
VIC, 296 posts
22 Feb 2020 7:07PM
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Hi

i bought an old boat with a new engine, Yanmar 2ym15. The temperature gauge, VDO brand, does not work. The temp sender or switch is connected to this. There is also an alarm connected to the gauge.Does anyone know if this engine comes standard with a temperature switch (ie activates at 95C) or a temperature sender that can be connected to a gauge? The manual refers to a switch but the manual lacks any detail.

there is also what looks like a spare/unused wire/terminal on the engines control panel to connect the temperature switch or sender directly. I imagine this is to alarm through the control panel. The manual isn't too helpful.I just want to make sure I get the over temp alarm really.

if it's a switch then one option I have is to buy a new sender and install this so the gauge works and I imagine the alarm. Another option, if it is a switch, is to connect it to the engines control panel so I get the over temp alarm through this.
would the best way to test it all to drop the temperature sender in some hot cooking oil I heat up on the stove? This will confirm I get an alarm. Any advice welcome. Thanks Jack

Seebreasy73
QLD, 334 posts
23 Feb 2020 7:04AM
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give the Yanmar distributor at Coomera a ring, they are the australian distributor and have service parts stock, you'd be amazed what you can still get for your engines. Hope this helps


Power Equipment - QLD Branch / Distributor ... - Yanmar
www.yanmar.com ? global ? dealerlocator




Operation. Sales; Service; Parts. Address, Unit 2 / 1 Waterway Drive Coomera QLD. ZIP, 4209. Country, Australia. TEL, +61 7 5644 9600. FAX, +61 7 5644 9644.

EC31
NSW, 490 posts
23 Feb 2020 1:55PM
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The spare wire on the control panel may be for the alarm for a sail drive water leak.

woko
NSW, 1759 posts
23 Feb 2020 7:52PM
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Have you looked at the watch dog type of temp gauge / alarm ?

jbarnes85
VIC, 296 posts
24 Feb 2020 9:06AM
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woko said..
Have you looked at the watch dog type of temp gauge / alarm ?


No but looks like a good option. At this stage I'm going to swap the current switch/sensor with a sensor that matches the gauge.

jbarnes85
VIC, 296 posts
30 Oct 2020 10:10AM
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woko said..
Have you looked at the watch dog type of temp gauge / alarm ?


I actually just installed one of these watch dog ones. By the time I bought the VFO sender, gauge and adapter this was comparable in price, way easier to install, digital and has an alarm. So far I am happy with it.


At the moment I have it installed on a bolt on the thermostat housing but I may move it elsewhere. Wonder if I could put it on a bolt on the exhaust manifold I also have one of those infra red temp gun things which I find super handy to have on my boat.

Lazzz
NSW, 902 posts
30 Oct 2020 12:20PM
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jbarnes85 said..

Wonder if I could put it on a bolt on the exhaust manifold


That's where I have mine & it works well - it's very close to matching the temp I get from a water sender.



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"Yanmar 2ym15 temp switch or sender" started by jbarnes85