Forum Discussion
Reddog1
Feb 13, 2016Explorer II
I installed my Polar Cub (9200 btu) A/C in 2005. Not at all difficult, and took me just over two hours as I recall. The hardest part was getting the A/C on the roof. Mine weighed just under 100 pounds, and I used a tractor with a front bucket.
If as you posted, it the junction box in the ceiling with the label about 120 VAC, My bet is it has the circuit breaker as well. Is there a vent near the center of the roof from the junction box? If so, remove the vent and set the A/C on the hole. The A/Cs use the same size opening. If it does not have a vent, it is probably framed for it. Mine was framed, but I had to cut it out.
In my opinion, the biggest concern is getting the proper size A/C. A 9000 to 1200 btu unit is more than big enough. An A/C this size typically will run with a Honda 2000 or equal. A larger unit will cycle more often, and from what I understand will be less efficient in removing the moister in the air. I will not say much more on the size of the A/Cs other than to my knowledge there are no advantages with an A/C larger than the 9000 to 1200 btu, but there are disadvantages.
Wayne
If as you posted, it the junction box in the ceiling with the label about 120 VAC, My bet is it has the circuit breaker as well. Is there a vent near the center of the roof from the junction box? If so, remove the vent and set the A/C on the hole. The A/Cs use the same size opening. If it does not have a vent, it is probably framed for it. Mine was framed, but I had to cut it out.
In my opinion, the biggest concern is getting the proper size A/C. A 9000 to 1200 btu unit is more than big enough. An A/C this size typically will run with a Honda 2000 or equal. A larger unit will cycle more often, and from what I understand will be less efficient in removing the moister in the air. I will not say much more on the size of the A/Cs other than to my knowledge there are no advantages with an A/C larger than the 9000 to 1200 btu, but there are disadvantages.
Wayne
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