Input Terminal Mounting Plate Assembly - Danfoss VLT HVAC Drive FC 100 Service Manual

High Power Service Manual for VLT
Adjustable Frequency Drives

7.2.10 Input Terminal Mounting Plate Assembly

1. Disconnect the input power wiring from L1, L2, L3, and ground connection.
2. Remove the upper most bus bar retaining nuts (13 mm) from the AC power input bus
bars L1, L2, and L3.
3. Disconnect the fan autotransformer cable at the in-line connector.
4. Remove the 4 or 5 (10 mm) retaining nuts (varies with size) from the mounting plate.
5. Remove the entire assembly from the mounting studs.
Reinstall in reverse order of this procedure. Tighten the 10 mm mounting nuts to 4 Nm (35 in-lbs)
and the 13 mm nuts to 9.5 Nm (85 in-lb).
1
Figure 7.11: Input Terminal Mounting Plate Assembly (no options shown)
380–480/500V: White label on fan transform-
er.
1
2
3
4
®
FC Series
The input terminal mounting plate weighs approximately 7–27 kg (15–60 lbs) de-
pending on the mounted options.
Input power connector (Step 1)
Bus bar retaining nuts (shown removed) (Step 2)
Transformer connector (Step 3)
Retaining nuts (Step 4)
MG.90.L1.22 - VLT ® is a registered Danfoss trademark
7 D-Frame Sizes Disassembly and Assembly
3
4
525–690 V: Orange label on fan transformer.
Instructions
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7
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