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Old 07-28-2014, 09:37 AM   #29
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Magumba-While browsing the archives I found a contribution by a member that proved that raising the temperature setting made the 1200 series run WARMER and that "4" seemed to run the coolest. He had multiple fans exhausting the waste heat.
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Old 07-29-2014, 12:17 AM   #30
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My amish cooling unit was not keeping the refrigerator compartment cold enough on LP. Yesterday I checked LP pressure and found it at 10" WC. After adjusting the regulator to 11 with 3 appliances running, flame is hotter now and frige seems to be doing much better. Today it was 102 going through Kenewick WA and I was able to keep it below 39 on a setting of 6. I intend to reinstall the new burner tube and orifice I took out because the flame was popping. I noticed the new tube has 4 air holes vs 3 in the old one. I verified the p/n again so wonder if Norcold has made a change to the tube and orifice size to give a hotter flame, but now very sensitive to enough gas pressure. Will report results of that.
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Old 07-29-2014, 09:40 AM   #31
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My amish cooling unit was not keeping the refrigerator compartment cold enough on LP. Yesterday I checked LP pressure and found it at 10" WC. After adjusting the regulator to 11 with 3 appliances running, flame is hotter now and frige seems to be doing much better. Today it was 102 going through Kenewick WA and I was able to keep it below 39 on a setting of 6. I intend to reinstall the new burner tube and orifice I took out because the flame was popping. I noticed the new tube has 4 air holes vs 3 in the old one. I verified the p/n again so wonder if Norcold has made a change to the tube and orifice size to give a hotter flame, but now very sensitive to enough gas pressure. Will report results of that.

Did you clean the orifice? My Norcold was not cooling on LPG and that was the problem. I removed the orifice tube, soaked it in alcohol for a couple of hours, then blew it out with an air hose. You wouldn't believe the crud that came out of that thing! It made a HUGE difference!
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Old 07-29-2014, 04:54 PM   #32
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Magumba-While browsing the archives I found a contribution by a member that proved that raising the temperature setting made the 1200 series run WARMER and that "4" seemed to run the coolest. He had multiple fans exhausting the waste heat.
Thanks for your feedback. The refrigerator is working better now, perhaps it was in defrost mode on a hot day and it could not get caught up.
We've now moved to a site with shade, yeah, plus it's cooler. I'm running on 4 now and it's 42į. I've also found that a higher number does not always lower the fresh food area temperature past a certain point.
We like having the extra food storage room over a small refrigerator but the 1200 had been a bear to keep running. Three cooling unit failures in five years. Right now a change to a residential unit is not in the cards.
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Old 07-29-2014, 11:21 PM   #33
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Yes I did clean the old orifice and it helped. Turning up the LP pressure to 11 helped too. Waiting to see if the higher LP pressure will stop the popping with the new orifice and 4 air hole burner tube.
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Old 07-30-2014, 12:54 AM   #34
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Anyway someone can show a picture of where the orifice tube is located or a picture of one in general?
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