Manitowoc CMS050A004 Spezifikationen PDF herunterladen (Seite 64)

COMPRESSOR DRAWING LOCKED ROTOR

The two likely causes of this are:

• Defective starting component

• Mechanically seized compressor

To determine which you have:

• Install high and low side gauges.

• Try to start the compressor.

• Watch the pressures closely.

If the pressures do not move, the compressor is

seized. Replace the compressor.

If the pressures move, the compressor is turning slowly

and is not seized. Check the capacitors and relay.

COMPRESSOR DRAWING HIGH AMPS

The continuous amperage draw on start-up should not

be near the maximum fuse size indicated on the serial

tag.

The wiring must be correctly sized to minimize voltage

drop at compressor start-up. The voltage when the

compressor is trying to start must be within ±10% of

the nameplate voltage.

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Manitowoc CMS050A004 Spezifikationen Seite 64