Hello All,
Bought a new compressor for my shop at the cottage. The compressor in
question is a good quality unit with belt driven oiled compressor. The 5hp
peak motor is rated at 15A@115V, 7.5A@220 volt (Really a 1 1/2 hp
motor?). I am having problems starting it on my Solar-electric power
system. I am wondering what can I do in the meantime in order to make it
start easier.
The inverter is a 3000 watt unit rated for 6000 surge watts. When the
compressor is started it pulls the battery voltage down to 10.5V@300Amps
for a second or 2. After it has started it pulls 160A@12.0V. Sometimes
the inverter will not start the unit. Upgrading all the battery/inverter
connections for minimal voltage drop has helped somewhat. I will replace
my batteries next year, but would like to make the motor start easier in
the meantime (and for later too).
The motor has a start capacitor of 136-163 MFD@220v and run of 50.0uf@370
V. and I am wondering if it will help increasing the start capacitor to one
in the 200-300 MFD range before I replace the batteries or decrease the
drive belt pulley diamater.
Thanks,
Steve Reilly
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