American Rotary AMP 10 Podręcznik użytkownika - Strona 10

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5.0 OPERATION + MAINTENANCE

American Rotary phase converters are started and stopped with a mechanical push button . As with most

electrical equipment, frequent stops and starts are harder on the rotary phase converter than steady operation .

The rotary phase converter is extremely low cost to operate at idle (with no three-phase load), and this is

preferable to a high level of stopping and starting . If your load situation dictates that the rotary phase converter

must be started and stopped frequently, call us about our Phase Monitor and Timer Kit for optimum product

operation .

Measuring voltage is the easiest way to test to see if the phase converter is working properly . To get the most

accurate measurement, the three-phase load should be running when you are checking the voltage .

VOLTAGE MEASUREMENTS:

Measure L1/T1 to L2/T2

Measure L1/T1 to T3

Measure L2/T2 to T3

Do not measure line to ground . Voltages will vary widely when doing this .

The rotary phase converter may operate continuously with or without a load . The converter will run cool and

quiet in the no load condition because the voltages are well balanced .

1 . Never start the converter with a load applied (including transformers) .

2 . The converter should start within a second or two . Wait to start loads (including transformers) until the

converter reaches full speed . A timer circuit can be used to automatically start loads after the converter

reaches full speed .

Keep dust and moisture away from the unit . Keep dust from accumulating in the motor and on the air vents on

the side of the unit . Dust can be blown out using compressed air .

Annually check the wires and connections on the phase converter . No connections or wires should be loose .

Also inspect for damaged or missing insulation . Be sure that power is disconnected when doing so!

10 | User Manual R2 .3

This is your single-phase voltage as supplied from the utility . To get the most

accurate voltage measurement, make sure that the converter is on and the load is

applied .

This is the voltage between the manufactured line (T3) and one of the single

phase lines . This voltage should be up to 5% higher than the T1 to T2 single-phase

voltage .

This voltage is the least important . It should also be within 5% . This voltage will

drop down into spec . when a load is applied .