If you blow the motor and there was 30 amps running through the wires, it
would indicate a defective motor.

"Dave" wrote in message
news:eRTDd.17273$8l.12748@pd7tw1no...
A 20 amp two pole breaker is worth about 15 bucks. Although I agree in
principle that the system should run fine on the 30 amp circuit, I wonder
whether your warranty would still hold if something happened. The internal
wiring on their machine will not be of adequate gauge for 30 amps of
current. In the owner's manual they will say that they want a 20 amp
circuit, not a 30 amp circuit. Sure, Grizz should have designed the system
to internally trip with excess current. But if you blow the motor and
Grizz
find out that 30 amps were running through the wires, they might find
cause
to blame you for some of that problem. Changing the breaker is a
one-minute
job. Cheap insurance.