63StingRay
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« on: December 29, 2010, 10:39:23 am » |
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My VMC has been running and cooling for the last 15 years and now all the sudden it won't cool below 45 degrees. The compressor kick on and off and both fans run. I blew all the dust bunnies out and played with the thermostat but it won't cool down anymore than 45 degrees where it used to get down to 35 degrees. Any ideas?  |
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johnieG
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« Reply #1 on: December 29, 2010, 09:00:46 pm » |
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1) low Freon/leak in system
2) plugged filter/dryer/filter-sieve
3) plugged capillary tube
4) above items causing compressor's overload to trip/open
5) defective thermostat (fiddling wont help)
6) defective compressor/valves/no freon circulating in system
6) Happy New-Year
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« Last Edit: December 29, 2010, 09:03:28 pm by johnieG »
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Spoon-feeding Newbies since 2001...  Yeah..220,221 whatever it takes. Remember, all it needs is a shot of Freon! The Vendo V-83 is the '59 Edsel of the coke machine world. ;p Spray painting does NOT restore a compressor 11 is louder than 10... "Hope" is good, but it's not an action plan. |
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Creighton
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« Reply #2 on: December 29, 2010, 09:17:47 pm » |
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7) Welcome to the board!!  Any pics of the S-Ray to share :-) Thanks, Creighton |
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Jim
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« Reply #3 on: December 29, 2010, 10:10:41 pm » |
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A thermostat replacement is the cheapest/easiest solution...
If you're diligent and handy, you could bypass the thermostat to see if the unit does cool down below 45, but remember to stay around and monitor as the compressor will continue to run until YOU shut it down by unplugging the machine ! ! !
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My six cents, Jim  |
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63StingRay
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« Reply #4 on: December 29, 2010, 11:57:04 pm » |
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my vmc 81 cooling unit
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63StingRay
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« Reply #5 on: December 29, 2010, 11:58:02 pm » |
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Another one ofmy VMC 81 cooling unit
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63StingRay
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« Reply #6 on: December 30, 2010, 12:00:31 am » |
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I will try and bypassing the thermostat. Hope I don't' burn the house down. That will upset the wife !!!!!!
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« Last Edit: December 30, 2010, 12:12:35 am by 63StingRay »
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collecture
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« Reply #7 on: December 30, 2010, 12:22:12 am » |
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You do not have an original compressor assembly in your machine. Try Jim's suggestion of by-passing the T-stat first.
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Cav 27, 33, CS-55E-2, 72
S-48 DP
Ideal CC 35, Barq's 55
1930s DP Counter Cooler
Vendo Coin Changers (ea. style - orig w/ stand)
Vendo Junior (rest.), 23 Deluxe, 39D, 44, 56RT, 80SS, 81A (orig), 81D, 6 C.V.
VMC 27, 27A, 81D DP, 110 DP
Westy WC-42-T, WC-44SK, WD-5(2), WB60
Victor C-14
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ss540
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« Reply #8 on: December 30, 2010, 09:31:39 am » |
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I think I see a clamp on schrader valve in the picture and that could be leaking freon.
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Down in Texas
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63StingRay
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« Reply #9 on: December 30, 2010, 05:28:59 pm » |
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WOW, not the right cooling unit!!!! I was assured it was "all original" when I bought it. OH :down:Well, Newbie takes it in the shorts, (again). Not sure about a clamp on schrader port but the freon fill port is welded on. I tried bypassing the thermostat and the compressor ran continuously without getting the inside temp any cooler (still about 45 degrees). Could it be something as simple as low freon charge? If so what do I service it with, R 12? And who could service it? I called a couple of appliance stores and they said they don't work on "vintage machines". Of course Tulsa isn't the hub of antiquities.
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Creighton
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« Reply #10 on: December 30, 2010, 05:49:21 pm » |
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Could be low on freon. That would mean there is a leak which would need to be fixed. Shipping from Tulsa to Eric (Global Compressors) shouldn't be much. I give Eric a call before anything else. Listed under vendors.
Creighton
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globalcompressors
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« Reply #11 on: January 04, 2011, 02:29:22 am » |
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The unit is original...the compressor is not.
When the unit cools down to 45...does it shut off,
or keeps running and simply stalls out? If ir stalls,
and won't cool down further, probably low on
refrigerant...i.e. leak. If it shuts off at 45 degrees,
then... thermostat issue. Also, make sure both fans
are running.
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how's that OBAMA CARE workin' out for ya?
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63StingRay
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« Reply #12 on: January 04, 2011, 04:53:04 pm » |
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The compressor will keep running with the thermostat turned to max cool but the temp never gets cooler than 45 degrees. Yes both fans are running. If I turn the thermostat down the compressor will stop running. Everything acts normal except it won't cool below 45.
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SIGNGUY
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« Reply #13 on: January 04, 2011, 05:14:48 pm » |
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I'd guess you have a leak and it's low on Freon...
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Soda Machine Enthusiast since 1996!
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63StingRay
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« Reply #14 on: January 06, 2011, 11:29:18 pm » |
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A friend put his gauges on the low side and it showed only 40psi ( compressor running). Shouldn't this be a lot higher, up aroud 140 psi with compressor running?
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« Last Edit: January 06, 2011, 11:31:18 pm by 63StingRay »
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bubba
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« Reply #15 on: January 07, 2011, 06:51:29 am » |
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Low side should be lower than that.. 28-32 maybe?
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Ken
V-63 -Bottles
2-Cavalier USS-64
VMC ST56B Royal Crown - being built
Vendo HA56C Coke
2-V63C DP
V63C Coke
U-Select-It 5cent candybar machine
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johnieG
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« Reply #16 on: January 07, 2011, 01:07:08 pm » |
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A friend put his gauges on the low side and it showed only 40psi ( compressor running). Shouldn't this be a lot higher, up around 140 psi with compressor running?
Interesting, no, it should be a bit lower, depending on which refrigerant gas is being used, ( R12/vs/R134 etc.) since we don't know what refrigerant it's using, it should be between 18 to 25 PSI on the low side near the evaporator on average, and less than approximately <150PSI on the high side . in a 70-degree room air temperature. what is the running vs idle/off pressure on the low-side? ( the "low-side" is the large diameter copper line leading away from the evaporator directly back down to the compressor) |
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Spoon-feeding Newbies since 2001... Yeah..220,221 whatever it takes. Remember, all it needs is a shot of Freon! The Vendo V-83 is the '59 Edsel of the coke machine world. ;p Spray painting does NOT restore a compressor 11 is louder than 10... "Hope" is good, but it's not an action plan. |
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Yarochrehc
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« Reply #17 on: January 09, 2011, 12:22:25 pm » |
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Sounds like you might have a compressor problem. As JohnieG said the low side or suction pressure should be a bit lower, if the condenser coil is clean and all fans are running the way they should, all shrouds are in place it's probably the valves in the compressor are leaking by. When the valves don't seat properly refrigerant leaks by creating a higher suction pressure and less performance and less cooling which will probably mean a new compressor. A good refrigeration service tech. should be able to determine what the problem is for sure.
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« Last Edit: January 09, 2011, 12:24:28 pm by Yarochrehc »
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Bob
Restored
Vendo H63B Coke in use in basement
Original
Vendo V/VF63/7 Pepsi in use
Restoring: Glascock Standard
(2) Vendo 63
(2)Vendo 90
Vendo 126 waiting for paint
VMC 56
Westinghouse WE-6
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63StingRay
Newbie
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« Reply #18 on: January 09, 2011, 01:51:36 pm » |
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Sounds like you might have a compressor problem. As JohnieG said the low side or suction pressure should be a bit lower, if the condenser coil is clean and all fans are running the way they should, all shrouds are in place it's probably the valves in the compressor are leaking by. When the valves don't seat properly refrigerant leaks by creating a higher suction pressure and less performance and less cooling which will probably mean a new compressor. A good refrigeration service tech. should be able to determine what the problem is for sure.
I agree, I think it needs a new compressor. Any idea what and where I can get one? Would Eric at GlobalCompressor have what I need? I think I could put it in, but still haven't found anyone to service it with freon,especially R12. |
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msanborn
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« Reply #19 on: January 09, 2011, 02:18:44 pm » |
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Yes eric can square you away. He is extremely helpful.
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Vendo 81
Vendo 39
Pepsi VMC 81
Ideal Slider
Glasco Slider
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Yarochrehc
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« Reply #20 on: January 09, 2011, 08:05:14 pm » |
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I'm sure that Eric would have a compressor for you, he might have you send the whole system to him so that he can change it out and recharge the refrigerant, it will probably be 134A though.
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Bob
Restored
Vendo H63B Coke in use in basement
Original
Vendo V/VF63/7 Pepsi in use
Restoring: Glascock Standard
(2) Vendo 63
(2)Vendo 90
Vendo 126 waiting for paint
VMC 56
Westinghouse WE-6
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63StingRay
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« Reply #21 on: January 11, 2011, 11:06:24 am » |
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Tried for several days to call Global Compressors and just got an answering machine. I found cooling units at Funtronics, anybody know about their quality?
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globalcompressors
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« Reply #22 on: January 11, 2011, 04:57:03 pm » |
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I'm here...just taking time off.
I haven't been to the shop in several days, but I am answering emails...try that.
Most of the Guys around here, know that I work long and hard hours, and
that I have to have "down time". I take care of this in the Winter, because it's
my "slow time". I don't need to run 24/7 or I'll wind up with a bad case of "burn out".
Fun-Tronics is one of my distributers... the quality is the same...
Again, try an email...
Eric
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how's that OBAMA CARE workin' out for ya?
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63StingRay
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« Reply #23 on: January 23, 2011, 10:51:28 pm » |
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Yohoo Eric!!! time to wake up and go back to work. I would never deprive a man of his time off but I'm going into D.T.s without my machine. The colas and beer taste awful cummin' outta a common refrigerator. I need my vintage machine fix!!!!! Let me know when you go back to the salt mine.  |
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