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The Old Rule of Thumb is 400 square feet per ton, but you really need to do a heat load calculation to be safe. A lot of windows on the west or south side of the house will really increase your load and you may need a lot larger unit. Insulation also changes your load so you may be able to cool a larger area. You may be able to get the Heat Load Calculation Form either online or from Johnstone supply. They are on the internet.
Unfortunately, there is not a great deal of information about LG splits available, but is you are talking $12,000 to to repair, then it is much cheaper to replace since a two ton complete is less that half that amount.
I assume you mean tonnage. If you are looking for the amp amount to run a circuit to your aircond. here is rule of thumb: 2 ton is a 20 amp circuit (requires two 20 a breakers for a 230volt single phase unit) 3 ton is a 30 amp circuit (230v 1 phase) 4 ton is a 40 amp circuit (230v 1 phase) 5 ton is a 50 amp circuit (230v 1 phase)
all these require two breakers, and both breakers should be joined together.
The 265/277v units will not work in a 208/230v hotel without a transformer. Basically you do not want to get involved with that. When replacing your PTACs stick with the proper voltage. As far as a conversion kit, if one exists, the cost will put you right back at the cost of a new unit. If your hotel is wired for 208/230v it won't give the unit the power it needs to function properly. When looking for replacement units here's what you need to match (besides getting the proper BTUs): Voltage Unit size (make sure they fit in your existing sleeves) Power cord configuration (the 265/277v will have a different power plug) Good Luck!
Ain't nothing to it. Slide out the blower and take it outside. Use some rust buster to get the blower out. Don't beat on the shaft. Spread that shaft and the wheel won't come off. Use a rubber mallet. Most generic blowers have white as a common wire and the speeds are black-hi blue med and red, for low. 2 brown wires will go to the capacitor. other wires will reverse direction. Wash the housing and blower wheel good. any wire unused will be taped off to themselves. Nothing to it.
Impossible to do because the compressor is wired to use 230V. The motor on the compressor won't even run. You will need to have an electrician come in and check your breaker box to see if you can add a 2 pole breaker that will be needed to run the a/c. To add 230 volt, you will need to upgrade the wiring as well as the breaker. I wouldn't recommend you doing this at all! You risk killing yourself and or burning your house down. Hire a proffesional for this job.