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.
The input terminal mounting plate weighs approximately 7–27 kg (15–60 lbs) de-
pending on the mounted options.
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).
130BX81.10
1
2
3
4
Figure 7.11: Input Terminal Mounting Plate Assembly (no options shown)
380–480/500V: White label on fan transform-
er.
525–690 V: Orange label on fan transformer.
1
Input power connector (Step 1)
2
Bus bar retaining nuts (shown removed) (Step 2)
3
Transformer connector (Step 3)
4
Retaining nuts (Step 4)
High Power Service Manual for VLT
®
FC Series
Adjustable Frequency Drives
7 D-Frame Sizes Disassembly and Assembly
Instructions
MG.90.L1.22 - VLT
®
is a registered Danfoss trademark
7-13
7
Summary of Contents for VLT HVAC FC 100
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