Step 4: install the new bimetal thermostat – Rockwell Automation 20P PowerFlex DC Drive - Frame C Bimetal Thermostat User Manual
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PowerFlex® DC Drive - Frame C Bimetal Thermostat
Step 4: Install the New
Bimetal Thermostat
Install the new Bimetal Thermostat in reverse order of removal as detailed
in Step 3:
Remove the Existing Bimetal Thermostat on page 4
.
•
Apply thermal grease to the bottom of the Bimetal Thermostat before
securing it to the heatsink.
•
Use the following table to determine the proper tightening torque for the
screws that secure the SCR modules to the heatsink:
•
Use the following table to determine the proper tightening torque for the
bolts that secure the bus bars to the SCR modules:
!
ATTENTION: Thermal grease must be applied to the bottom
of the Bimetal Thermostat before securing it to the heatsink or
damage to the drive may occur.
230V AC Input
Drive Current
Rating Code
DC Amps
AC Line Amps HP
Final Torque
521
521
426
150
6 Nm (53 lb.-in.)
460V AC Input
Drive Current
Rating Code
DC Amps
AC Line Amps HP
Final Torque
495
495
404.4
300
4.5 - 5.5 Nm (40 - 48.7 lb.-in.)
667
667
544.9
400
6 Nm (53 lb.-in.)
230V AC Input
Drive Current
Rating Code
DC Amps
AC Line Amps HP
Final Torque
521
521
426
150
11 - 13 Nm (97.4 - 115 lb.-in.)
460V AC Input
Drive Current
Rating Code
DC Amps
AC Line Amps HP
Final Torque
495
495
404.4
300
11 - 13 Nm (97.4 - 115 lb.-in.)
667
667
544.9
400