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Author Topic: Vendo 81 cycles every 5-10 mins  (Read 8200 times)
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Zach
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« on: May 30, 2017, 07:43:11 pm »

My 81 cycles about every 5-10 mins, is this normal? I feel like my electirical bill will be through the roof here soon. It gets ice cold and thermostat is on the lowest setting. It only runs about a minute or so then shuts off like it should but just seems like that's a lot of cycles. Any ideas?
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Slapshot42
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« Reply #1 on: May 31, 2017, 12:47:15 am »

Did you use a thermometer to check the "cut in" and "cut out " temps?

You could have a bad thermostat . ..

Cut in is usually 33, and Cut out is 38.  A compressor will usually cycle 2-3 times in hour but can be dependent on few variables like proper insulation, door seals, gaskets, or how much product is in the machine .
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johnieG
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This is fine...everythings going to be OK....


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« Reply #2 on: May 31, 2017, 09:12:40 am »

Cut In = the "on" temperature. ( how warm it gets before the compressor turns on.)
Cut Out = the "off"  temperature ( how cold it gets before the compressor turns off.)

If your thermostat is an air temperature sensing type & accidently is in contact with the evaporators metal housing
Or is touching a cold line, it could cause the unit to "short-cycle" as you've described. perature ( how cold it gets before the compressor turns off.)
« Last Edit: May 31, 2017, 09:15:45 am by johnieG » Logged

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Zach
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« Reply #3 on: May 31, 2017, 09:53:45 am »

The sensing probe is mounted to the side of the evap, that probably is the problem  darn

I am using this stat: http://www.ebay.com/itm/Dixie-Narco-soda-vending-machine-thermostat-cold-control-for-refrigeration-Ranco-/192193943559?

The machine has all new seals, liner and insulation so I don't think that is the issue.
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Slapshot42
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Jared


« Reply #4 on: May 31, 2017, 10:36:08 am »

Cut In = the "on" temperature. ( how warm it gets before the compressor turns on.)
Cut Out = the "off"  temperature ( how cold it gets before the compressor turns off.)

If your thermostat is an air temperature sensing type & accidently is in contact with the evaporators metal housing
Or is touching a cold line, it could cause the unit to "short-cycle" as you've described. perature ( how cold it gets before the compressor turns off.)


I knew I mixed that around.  Terminology aside should of got the idea.  Yes, did you use a thermometer which would be the first step...
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Slapshot42
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Jared


« Reply #5 on: May 31, 2017, 10:39:29 am »

The sensing probe is mounted to the side of the evap, that probably is the problem  darn

I am using this stat: http://www.ebay.com/itm/Dixie-Narco-soda-vending-machine-thermostat-cold-control-for-refrigeration-Ranco-/192193943559?

The machine has all new seals, liner and insulation so I don't think that is the issue.


To insure accuracy it's nice to own a $20 thermometer .  FunTronics sell them they are a handy tool when setting temps , etc.
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Zach
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« Reply #6 on: May 31, 2017, 10:43:25 am »

I think I have one somewhere and if not I'll get one, I figured if the beer was cold then we are all good but apparently not  laugh

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Zach
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« Reply #7 on: May 31, 2017, 10:50:09 am »

Looking at the back of the stat, what are the two screws for? They look like an adjustment for maybe the cut in and cut out?
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MoonDawg
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« Reply #8 on: May 31, 2017, 10:51:08 am »

        Luckily your thermostat has adjustment screws. If you want, you could try adjusting the "cut in" to a warmer temperature.
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Glen
Zach
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« Reply #9 on: June 01, 2017, 09:16:18 am »

Unmounted the probe from the condenser and it cycles 3 times an hour! Thanks for the help gents!
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SIGNGUY
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« Reply #10 on: June 02, 2017, 04:30:38 pm »

that's strange though as the thermostat you pictures IS a contact version, not an air sensing version... so I'm thinking the settings are wrong.. but do what works for you.

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Zach
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« Reply #11 on: June 05, 2017, 10:48:24 am »

The screws on the settings are all the way down (coldest setting) so I will adjust them to a warmer setting, thanks for the help!
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