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Old 06-22-2024, 02:10 AM   #1
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Default Refrigerator run time

The refrigerator in my 1992 2300 SCR runs at least 60 - 70% of time. Especially when itís hot, in the 80s 90s. I removed the refrigerator on a discovery mission and found the cabinet that itís mounted in has almost no ventilation. Has anyone come across this, if so have you found a way to get some cooler air in?
One thing Iíve been thinking of is to mount a small cooling fan from a computer to bring in cooler air. My problem with this is, I donít want the fan to run continuously. That would undo any efficiency gain with the refrigerator run time.
I am looking for a way to have it run only when the refrigerator is running. With a timing relay to extend ventilation by a short period. Has anyone seen any auxiliary contact or output that would perform this?`I have not been able to discover anything.
Thanks ahead of time for ideas.
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Old 06-22-2024, 11:53 AM   #2
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You would need to wire a circuit into the refrigerator’s thermostat circuit to do what you are looking for.
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Old 06-23-2024, 08:54 PM   #3
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Thanks Mike for the quick response. I have also thought about tapping into the thermostat circuit, I’m very leery of doing that on something this old. I don’t know what the contacts in the thermostat are rated for if they can handle the extra load not to mention the inrush current if I put in a time delay relay.

Right now I’m leaning towards putting in a small cooling thermostat so it’ll run the fan when the temperature gets to the preset level and turn it off when it gets to the low setpoint.

Lee
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Old 06-24-2024, 01:07 AM   #4
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Hi Lee, I understand your concern with if the old equipment can reliably handle an extra load it wasn’t designed for. A separate temperature controlled circuit is the better way to go but you may want to just test to see if the fan improves the refrigerator’s performance before going for broke.
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