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Rockwell Automation 20GY PowerFlex 755 with OEM Liquid Cooling Frame 6 and 7 AC Drives User Manual

Powerflex

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Installation Instructions

A Supplement to Publication 750-IN001

PowerFlex

®

755 with OEM Liquid Cooling

Frame 6 and 7 AC Drives

PowerFlex 755 with OEM Liquid Cooling Frame 6 and 7 AC drives differ from
the standard, air-cooled PowerFlex 755 Frame 6 and 7 AC drives, respectively, in
that:

• The heatsink is replaced by a chillplate.
• Coolant inlet and outlet connections are provided for the chillplate.
• A thermal switch is added to the DC inductor.

Key features of the PowerFlex 755 with OEM Liquid Cooling AC drives are:

• Provides OEM liquid cooling at 200, 300, and 400 HP (480V) ratings and

132, 200, and 270 kW (400V) ratings.

• Provides similar input/output and overload ratings at 2 kHz PWM as the

standard air-cooled PowerFlex 750-Series AC drives (see

Table 3

).

• Provides the same UL 508C certification and CE certifications as the

standard, air-cooled PowerFlex 750-Series AC drives.

• Maintains the same ambient air and surrounding air environmental

requirements as the standard, air-cooled PowerFlex 750-Series Frame 6
and 7 AC drives.

• Available as an IP00, NEMA/UL Type Open style that can be converted

to a NEMA/UL Type 4X/12 integrity back with a user-installed flange
kit.

Use these instructions in conjunction with the publications listed below to install
and operate PowerFlex 755 with OEM Liquid Cooling Frame 6 and 7 AC drives.

Reference Materials

Title

Publication

Available Online at…

PowerFlex 750-Series AC Drives
Installation Instructions

750-IN001

www.rockwellautomation.com

/literature

PowerFlex 750-Series AC Drives
Programming Manual

750-PM001

PowerFlex 750-Series AC Drive Technical Data

750-TD001

Wiring and Grounding Guidelines for PWM AC Drives DRIVES-IN001

Guarding Against Electrostatic Damage

8000-4.5.2