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If the unit is running in cold weather than there is ice building up on the coils located outside. This is normal in that the unit is running in heat pump mode heating inside and cooling outside, After the unit detects the ice build up it briefly reverses the cycle heating the outside coils melting(defrosting) the ice which you observe as water on the pad.
Your 3 phase unit should not have a capacitor. I'm guessing it's single phase. If it's a single capacitor than the compressor should not be going to it also. To test the motor, common to start plus common to run should equal the ohms you get between start and run. For instance, 1.2 ohms+ 2.2 ohms= 3.4 ohms. Follow the wiring diagram on the inside of the door, send model number!!
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.
You need to either change the motor to a single phase or check into a single to three phase converter...I would do which ever is cheaper myself. You could go single phase, but the cost of operation would be higher depending on the duty cycle.
Where is it dripping from inside the trailer? is a tray under the unit filling up? why does the line drip? where from? is it split? have you put a color dye in condensate to check flow what temp have you got inside your trailer when A/C off?
Looking at the model number, it appears to be a 3 ton. (36,000 btu) Most all residential units are single phase and most all commercial are 3 phase. One way to tell, look to see if the compressor has a capacitor. 3 phase never use capacitors on the compressors as they are not needed. Some residential units have a "Dual" capacitor. That is, it has 3 terminals, 1 common, 1 for condenser fan motor, and 1 for the compressor. Also, this info should be printed on the unit's lable.
Good Luck and hope this helps.
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