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Old 16-10-2015, 16:13   #1
Guy
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Reefer mods

If you are putting in a barrier near the evaporator to make a cold area, does it need to be an insulator say 2" thick or just thin metal?
Another question, what is the safest way of putting a 90deg bend in a flat evaporator? The one I have is 8" wide.
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Old 16-10-2015, 16:54   #2
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Re: refer mods

Use an insulated divider with a mechanically/thermostatically controlled spill-over valve.

Bend the evaporator around a piece of PVC pipe ~4" diameter. Avoid high point loading while bending it.
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Old 16-10-2015, 17:36   #3
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Re: Reefer mods

Make sure you heat the evaporator to about 200 degrees with a heat gun before you bend it or the paint will crack.

Also, 2" is the recommended thickness for the insulated partition between sections on a spill-over unit.

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Old 16-10-2015, 18:09   #4
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Re: Reefer mods

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Originally Posted by funjohnson View Post
Make sure you heat the evaporator to about 200 degrees with a heat gun before you bend it or the paint will crack.
Matt
The evaporator is pre-charged. Can you heat a pre-charged evaporator?
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Old 16-10-2015, 19:24   #5
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Re: Reefer mods

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The evaporator is pre-charged. Can you heat a pre-charged evaporator?
Yes. We just did the same with a 30" x 12" evap unit.... two bends were made using a heat gun and 3" PVC pipe. It's what Vitrifirgio recommends for their units.

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Old 17-10-2015, 05:18   #6
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Re: Reefer mods

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Originally Posted by funjohnson View Post
.... two bends were made using a heat gun and 3" PVC pipe. It's what Vitrifirgio recommends for their units.
Matt
Bending instructions for Frigoboat’s F type (flat) evaporator ➥ https://www.coastalclimatecontrol.co...0Frigoboat.pdf
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Old 17-10-2015, 10:58   #7
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Re: Reefer mods

The guy in the instructions must have tough skin to be bending 200 degree metal without any gloves !
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Old 17-10-2015, 12:35   #8
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Re: Reefer mods

The deed is done. No cracked paint or the sound of hissing freon. I didn't go to 200 but warm to the touch. Thanks.
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