York Medium Voltage Variable Speed Drive MVVSD09002K-95

Ensure all switches and circuit breakers are opened

Disconnect devices not intended for dielectric test

Calibrate light or buzzer for breakdown indication

Perform dielectric test at 2.25 times nominal system voltage plus 2,000 V phase-to-ground and phase-to-phase

Check for short circuits and grounds

Ensure test is performed by qualified personnel

Inspect the unit to ensure all components have been delivered

Check for any damage occurred during transit

Note any evident damage on the carrier's freight bill

Enter a claim for any evident damage

Report major damage to the local Johnson Controls representative

Follow all installation safety precautions

Is the correct power source available?

Does the installation site meet all environmental specifications for NEMA 1?

Is the chiller in the correct working condition and ready to be started?

Are power factor correction capacitors (PFCCs) located on the power source side of the drive?

Ensure drive is positioned with ample clearance for cabinet doors and accessible controls

Make necessary repairs or replacements

Ensure no damaged equipment is energized

Ensure all safety signs are visible and not obscured

Manually exercise all switches, relays, and other operating mechanisms

Check operating mechanisms for correct alignment and free operation

Verify MVVSD ratings match system data

Remove all blocks or temporary braces used for shipment

Clean out all metal chips, scrap wire, and other debris

Is there an appreciable accumulation of dust or dirt?

Clean the enclosure using a brush, vacuum cleaner, or a clean lint-free brush

Check the integrity of all bus bar supports for secureness and damage