The 5-2-1 Compressor Saver® is for single phase electricity only, 208-240V and up to 330VAC.
The 5-2-1 Compressor Saver® is known as a hard start kit, and it consists of a potential relay and start capacitor. It is connected to the condensing unit, using the three wire method.
The 5-2-1 method is approved by all major compressor manufacturers.
The 5-2-1 Compressor Saver® is known as a hard start kit, and it consists of a potential relay and start capacitor. It is connected to the condensing unit, using the three wire method.
The 5-2-1 method is approved by all major compressor manufacturers.
Copeland - Tecumseh - Bristol
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CSR U1
 1 - 3 TON A/C units
88 - 108 Mfd
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CSR U2
 3.5 to 5 TON A/C units
189 - 227 Mfd
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CSR U3
 4 and 5 TON A/C units
270 - 324 Mfd
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