Step 5: install the new bimetal thermostat – Rockwell Automation 20P PowerFlex DC Drive - Frame B Bimetal Thermostat User Manual

Page 14

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14

PowerFlex® DC Drive - Frame B Bimetal Thermostat

Remove the Bimetal Thermostat

1. Remove the solder from the connections on the two leads of the bimetal

thermostat.

2. Unscrew the base and remove the bimetal thermostat from the heatsink.

Step 5: Install the New
Bimetal Thermostat

Install the new Bimetal Thermostat in reverse order of removal as detailed
in Step 4:

Remove the Existing Bimetal Thermostat on page 10

.

Important: Thermal grease must be applied 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
bolts that secure the bus bars to the SCR Modules:

Remove solder and
bimetal thermostat

Regenerative Drive Shown

230V AC Input
Drive Current
Rating Code

DC Amps

AC Line Amps HP

Final Torque

146

146

119

40

4.5…5.5 N•m (40…48.7 lb•in)

180

180

147

50

218

218

178

60

265

265

217

75

11…13 N•m (97.4…115 lb•in)

360

360

294

100

434

434

355

125

460V AC Input
Drive Current
Rating Code

DC Amps

AC Line Amps HP

Final Torque

167

167

136.4

100

4.5…5.5 N•m (40…48.7 lb•in)

207

207

169.1

125

250

250

204.3

150

11…13 N•m (97.4…115 lb•in)

330

330

269.6

200

412

412

336.6

250

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