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Defrost termination and fan delay control - Paragon 8145-20 Defrost Timer

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Paragon Model 632-00 Manual


Copy following link:
http://waterheatertimer.org/Paragon-timers-and-manuals.html#632
632-00 is 120Volt defrost timer. Electric heat defrosting with fan delay.
Hot connects to terminal 4
Neutral to terminal 6.
One wire from Fan, compressor, heater each connect to terminal 6, and other wire connects to one of the other terminals depending on electric heat, hot gas, or water spray defrost

Jun 24, 2013 | Paragon Hardware & Accessories

1 Answer

NO FAN OPERATION INSIDE FRIDGE


Sometime the factory installs a fan delay / defrost termination switch and if the coils are not cold enought thhe fan wont come on. leave it on and running and keep the doors shut, the fan might still start. Hope this helps how about a rating

Oct 27, 2011 | Samsung Refrigerators

2 Answers

My freezer has power, but the fans are not going on when the door shuts and the temperature is rising.


The defrost termination/ fan delay control is a temperature-activated, single pole-double throw switch. ).
The control is wired into the refrigeration circuit. The control is located high on the evaporator where the frost is likely to clear last. The function of this temperature-activated switch is to terminate defrost when the evaporator coil has been defrosted, and to delay the evaporator fans from coming on immediately after defrost.
The coil must reach a temperature of 25* F. for the fan delay to close allowing the fans to operate.bobicehouse_38.jpg

Jul 22, 2011 | True 49 cu. ft. / 1388 liter Commercial...

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I have a T-49 freezer with compressor running defrost timer board is showing in refrigeration mode. I have power on the #4 terminal going to the evaporator fans. Both door switches are closed. I am not...


most freezers have 2 controls. 1 is a defrost terminator and the other is a fan delay. the delay and the defrost terminator can sometimes be a "2 in 1" type switch. you would have to study the wiring diagram. The delay will not let the fans come on untill the evap reaches a preset temperature. take another look at the diagram. It may be that the evap is not getting cold enough. you may have a refrigeration issue.

May 15, 2017 | True 49 cu. ft. / 1388 liter Commercial...

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Fans not running, everthing else runs. True model T-72F reach in


In most cases, there is a device located in or on the evap that senses the temp of the evap. This can be a defrost terminator/fan delay. Sometimes they are separate devices and sometimes they are a 2 in 1 device. If the evap does not get cold enough, the fans will not come on. Usually about +20 degree F. It is to prevent circulating warm air after a defrost and to keep from overloading the compressor after a defrost as heat is generated by electric elements. I would look to see if the defrost terminator / fan delay has malfunctioned, then I would check the refrigeration system performance.

Apr 23, 2010 | True 72 cu. ft. / 2039 liter Commercial...

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True freezer model TS49f-RC. Evaporator fans will not run. Defrost timer will not stay in defrost when manually turned to defrost. Believe defrost termination switch is bad. ?


You are most likely correct. Most manufacturers of freezers have fan delay/defrost terminators. But keep in mind that if the box is hot, it will not stay in defrost as that is what the terminator is designed to do. Does the unit ever get cold? You may have a refrigeration problem and the terminator is good. If you can give some additional info, I'll be glad to keep assisting you to get it going.

Nov 23, 2009 | Freezers

1 Answer

My service man replaced the defrost cycle timer and the relay (timer was definitely broken, relay was highly suspect) but the freezer fan still has no power so freezer will not chill adequately despite...


Most all commercial freezers have a fan delay/ defrost terminator. It is usually mounted on the end of the evap coil. It's purpose is to sense the temp of the coil during the defrost cycle. When it hits a preset temp., usually around 55 degrees or more (depends on Mfg.) It terminates the defrost cycle. It also doubles as a fan delay. It allows the evap coil to cool off from the defrost cycle before allowing the fan to come on. Usually, the coil has to get around 20 degrees before fan will energize. I would look for this as a possible problem. It could be one device with 3 wires or 2 separate devices with 2 wires each. I've seen it both ways.
Hope this helps.

Nov 19, 2009 | Traulsen 46 cu. ft. Commercial Freezer...

1 Answer

I have a True Freezer, the compressor comes on but the fans inside the box do not so there is no cold. I replaced both capacitors but still no luck.


http://www.truemfg.com/pdf/InstallManuals/T-SERIES/t_series_english.pdf
Go to this web site and look in the manual on page 15. Check "Compressor runs but will not refrigerate". Gives some suggestions.
Now, inside the evap, usually strapped or clipped to the coil "U" turn on the end of the coil, is a Klixon device. This device comes in many different configurations. There may be 1 or 2 of these. One is a defrost termination switch. When evap gets hot enough so no frost is present, it terminates the defrost cycle. The other is a fan delay. It comes on when the coil temp gets to about 20 degrees. This prevents circulating warm air from defrost cycle. Now if there is only one device, it can be 2 in 1. That is, a defrost terminator/ fan delay. Will most likely have 3 wires going to it where as the 2 separate ones will only have 2 wires to each one. Now, either this fan delay is not working correctly or the coil is not getting cold enough. When it gets cold enough, it turns on the evap fans. This is most likely where your problem lays. Check it out.

Sep 08, 2009 | True 52 cu. ft. / 1472 liter Commercial...

1 Answer

Evap fan will not come on,jumped out the fan control fan comes on


Since this is a freezer, it should have a defrost terminator/ fan delay. This could have gone bad or you may have a refrigeration problem. Such as low on freon due to a leak. Need more info, I'll explain in detail. Let me know. Will Be more than happy to.

Aug 24, 2009 | Beverage-Air 23.1 cu. ft. / 654 liter...

2 Answers

Evap fan stoped running


some of those fan motors will not run unil the defrost thermostat has closed.

Dec 22, 2008 | Kenmore 73502 / 73504 / 73509 Bottom...

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