Question about Howard-McCray Step In Freezer low temperature ( 5F) 90""L 48""W
We have a laboratory freezer that is not work . When we set temperature on 70 degree centigerade this do not rich this temperature.
Min temperature that , our freezer rich is 50 degrre of centigerade.
We need your helpe in waht kind of gas may be use for it?
Can we make this gas from mixing of exist gases?HOW
Thanks for your help?
Your freeze uses 404A refridgerant,No you can't make it or mix it.
You can make adjustments to the Cut in and cut out points on the T stat.
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Posted on Feb 13, 2009
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Posted on Jan 02, 2017
Tips for a great answer:
Poor cooling is often the result of a heavy frost build-up on the evaporator coils or a condenser that is clogged with dust, lint, and dirt. Determine the temperature setting. The refrigerator should be set to temperatures ranging from 34 degrees to 40 degrees, while the freezer should be below 30 degrees. Adjust the temperature setting which will naturally improve the ice buildup that's been caused by the wrong temperature setting.
Move the refrigerator away from the wall. Oftentimes, this simple action is all that is needed because the unit is not getting enough air circulation behind it. Also, some refrigerators have vents underneath the unit, which are easily clogged with debris. Clean these vents and coils.
Remove food and shelving from the refrigerator and freezer portions of the fridge. If ice build up is happening in the freezer, the drain in the freezer may be clogged. With the unit off, remove coverings to expose drain and pour hot water down the drain hole until it comes out into the drain drip pan under the fridge.
Check the condenser coils. The evaporator coils could be causing the problem of ice build up. If this is the case, professional repair is likely needed to replace the motor, thermostat or other problems within the fridge.
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