Author Topic: Victory FS-1D-S7 freezer won't get cold (just cool) after 3n1 installation  (Read 2409 times)

Offline go400

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It also protects the compressor and PTC device. Line voltage spikes are usually 2x line voltage. Substation contact chatter could make them repetitive
 and could drive the rms power dissipated by the ptc around 1 kwt peak power for up to a second or two which would burn open a typical ptc device.
 This is not true for GE ptc devices as they are thermally superior.

Offline RLR

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Well still, with a clean condenser coil, the freezer still only goes down to 24F.  The compressor kicks on and off periodically (sounds normal), and the evaporator fan circulates air on and off (also sounds normal).  With freezer at 24F, cold control (thermostat) won't click, even turned back to the warmest setting.  Can I assume that's because 24F is out of its normal range?  Should I start to assume I am low on charge?

Offline go400

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Remove the back freezer panel and describe the frost pattern.

Offline RLR

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Go400, are you referring to the evaporator coil?  The freezer is just a "box", and there is really no panel to open on the back of the freezer.  The evap coil actually sits in a box on top of the freezer cabinet, and a fan circulates the air through it.  OK, I will plug it in again tonight and observe the coil.

Offline go400

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It is best to gain access to the bare evaporator coils to determine refrigeration status.

Offline krazytech

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top of the evaporator box can be removed.
Check the Basics first!!! Read the Manual !!!Buy the tech a Beer!!!

Offline RLR

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OK, i finally got a chance to do this.  I plugged in the freezer, and soon the evaporator coil was getting cold where the refrigerant first comes into the coil.  In about a minute that area frosted up a little.  The evaporator fan kicked in, and the coil there was just mildly cool and damp.  However the other end of the coil (the last few windings before it leaves to return to the compressor) never got cool at all.
In about 2 or 3 minutes - after the evaporator fan shut back off - there was still some condensation on the cool side of the coil, but again, nothing was getting VERY COLD at all.

Offline krazytech

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first I would let it run longer.. even until compressor shuts off..  I am wondering why the evaporator fan stopped ? as it is not getting cold enough to switch off at the thermostat. 
Is there access valves on the system? do you have gauges? is it 134a or R-12  Do you have a clamp on amp meter..

Would like to know how any amps the compressor is pulling? what the pressures on both high side and low side? what size is this compressor and what gas it uses?
Check the Basics first!!! Read the Manual !!!Buy the tech a Beer!!!

Offline RLR

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Whew!  Let me get as much of that info as possible... when I can.
Just as a side note: I let the freezer run overnight twice... both times it only got down to 24F.  Typically, when I plug it in now, the compressor starts right away, then a few minutes later the evap fan runs.  A couple minutes later the evap fan will kick off.  2 or 3 or 4 cycles of the evap fan kicking on and off and the compressor will kick off.  Seems the compressor and the evaporator fan are functioning independently of each other.  (By the way, the condenser fan is always running.)
Yes, I have service ports; I don't have guages, but I know someone who does; I see a sticker on the top of the condenser shroud that I think says R12, but I read in a manual online somewhere that it takes R404a (I guess I should go by what the sticker says.)
I'll have to get an amp clamp, and I will see if I can tell what size compressor it is.
Thanks for your help.

Offline krazytech

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So what does the evaporator look like after running all night?


Is your unit control be a digital controller  or a simple thermostat?


older unit will be R12 before 1996.


Have you checked around the evaporator for oil..or oil spots?


so far it looks like you have a leak and a weak compressor... but I wonder why your evaporator fan stops at 24f and your compressor still running?
Check the Basics first!!! Read the Manual !!!Buy the tech a Beer!!!

 

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