Danfoss 176F4170 Manuale utente

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1 Overview

1.1 Description

The ground bar kit provides extra grounding points for iC7 Series Frequency Converters. The kits fit the following frames:

FK09a/FB09a

FK10a/FB10a

FK09c/FB09c

FK10c/FB10c

The frame is listed on the frequency converter product label.

1.2 Kit Numbers

Use these instructions with the following kits.

Table 1: Ground Bar Kit Numbers

Number

Kit description

176F4170

Ground bar kit, FK09a/FB09a

176F4171

Ground bar kit, FK10a/FB10a

176F4186

Ground bar kit, FK09c/FB09c

176F4187

Ground bar kit, FK10c/FB10c

1.3 Items Supplied

The kits contain a ground bar with brackets and fasteners for attaching the ground bar. Most kits contain a single ground bar, ex-

cept kit 176F4186, which has a 2-part split ground bar.

Table 2: Items Supplied in Ground Bar Kits

Item

Quantity

Ground bar

1–2

Left bracket

Right bracket

Screws

5–6

Installation Guide

Ground Bar Kit for FK09/FB09 and FK10/FB10

iC7 Series Frequency Converters

2 Installation

2.1 Safety Information

NOTICE

QUALIFIED PERSONNEL

Only qualified personnel are allowed to install the parts described in these installation instructions.

Disassembly and reassembly of the frequency converter must be done in accordance with the corresponding service guide.

Use the standard fastener torque values from the service guide, unless the torque value is specified in these instructions.

WARNING

ELECTRICAL SHOCK HAZARD

The frequency converter contains dangerous voltages when connected to mains voltage. Improper installation, and installing or

servicing with power connected, can cause death, serious injury, or equipment failure.

Only use qualified electricians for the installation.

Disconnect the frequency converter from all power sources before installation or service.

Treat the frequency converter as live whenever the mains voltage is connected.

Follow the guidelines in these instructions and local electrical safety codes.

WARNING

DISCHARGE TIME (20 MINUTES)

The frequency converter contains DC-link capacitors, which can remain charged even when the frequency converter is not pow-

ered. High voltage can be present even when the warning indicator lights are off.

Failure to wait 20 minutes after power has been removed before performing service or repair work can result in death or serious

injury.

Stop the motor.

Disconnect AC mains, permanent magnet type motors, and remote DC-link supplies, including battery back-ups, UPS, and

DC-link connections to other frequency converters.

Wait 20 minutes for the capacitors to discharge fully before performing any service or repair work.

Measure the voltage level to verify full discharge.

NOTICE

ELECTROSTATIC DISCHARGE

Electrostatic discharge can damage components.

Ensure discharge before touching internal frequency converter components, for example by touching a grounded, conduc-

tive surface or by wearing a grounded armband.

Installation

Ground Bar Kit for FK09/FB09 and FK10/FB10

Installation Guide

2.2 Replacing the Side Brackets

Before installing the ground bar, use the following steps to replace the existing brackets with the brackets from the kit.

Remove the existing side brackets by removing 2 screws (T25) from the cabinet exterior, 1 from the left bracket and 1 from

the right bracket. See Illustration 1.

e30bk197.10

Illustration 1: Removal of Existing Side Brackets

Attach the new left bracket by fastening 1 M5x12 screw (T25) through the side panel of the cabinet and into the bracket.

Repeat for the right bracket.

The left and right brackets differ from each other. See Illustration 2 for the positioning of each bracket.

Installation

Ground Bar Kit for FK09/FB09 and FK10/FB10

Installation Guide

e30bk198.10

Illustration 2: Installation of Left and Right Brackets

2.3 Installing the Single Ground Bar

For kits with a single ground bar, use the following steps to install the ground bar. See Illustration 3.

For kits with a 2-piece split ground bar, refer to 2.4 Installing the Split Ground Bar.

Attach the ground bar to the 2 brackets by fastening 2 M5x12 screws (T25), 1 in each end of the ground bar.

Installation

Ground Bar Kit for FK09/FB09 and FK10/FB10

Installation Guide

Fasten 1 M5x12 screw (T25) in the center of the ground bar, attaching it to the lower EMC shield.

T25

e30bk199.10

T25

Illustration 3: Installation of Single Ground Bar (FK09a/FB09a, FK10a/FB10a, FK10c/FB10c)

2.4 Installing the Split Ground Bar

For kits with a 2-part split ground bar, use the following steps to attach the left and right sections of the ground bar.

Attach the left ground bar between the left side bracket and the EMC shield using 2 M5x18 screws (T25), 1 in each end of

the ground bar.

The right ground bar attaches to the EMC shield just below the position of the left ground bar. See Illustration 4.

Installation

Ground Bar Kit for FK09/FB09 and FK10/FB10

Installation Guide

Danfoss A/S

Ulsnaes 1

DK-6300 Graasten

drives.danfoss.com

Any information, including, but not limited to information on selection of product, its application or use, product design, weight, dimensions, capacity or any other tech-

nical data in product manuals, catalogues descriptions, advertisements, etc. and whether made available in writing, orally, electronically, online or via download, shall be

considered informative, and is only binding if and to the extent, explicit reference is made in a quotation or order confirmation. Danfoss cannot accept any responsibility

for possible errors in catalogues, brochures, videos and other material. Danfoss reserves the right to alter its products without notice. This also applies to products or-

dered but not delivered provided that such alterations can be made without changes to form, fit or function of the product. All trademarks in this material are property of

*136R0288*

*M0037401*

Attach the right ground bar between the EMC shield and the right side bracket using 2 M5x18 screws (T25), 1 in each end of

the ground bar.

T25

e30bk369.10

Illustration 4: Installation of Split Ground Bar (FK09c/FB09c)

Installation

Ground Bar Kit for FK09/FB09 and FK10/FB10

Installation Guide

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