Danfoss E3h Bedienungsanleitung

Description

The top fan assembly in E3h and E4h drives consists of 2 fans

within a single fan housing. The top fan replacement kit

contains all parts required to replace 1 fan in the top fan

assembly.

Part number Kit description

176F3176 Top fan for IP20 enclosure

Table 1.1 Part Number for the Top Fan Kit

Items Supplied

The door fan replacement kit contains the following:

•

1 fan

•

Installation instructions

Safety Instructions

Only qualied, Danfoss authorized personnel are allowed to

install the parts described in these installation instructions.

Disassembly and reassembly of the drive must be done in

accordance with the corresponding service manual.

WARNING

ELECTRICAL SHOCK HAZARD

VLT

series drives contain dangerous voltages when

connected to mains voltage. Improper installation, and

installing or servicing with power connected, can cause

death, serious injury, or equipment failure.

To avoid death, serious injury, or equipment failure:

•

Only use qualied electricians for the installation.

•

Disconnect the drive from all power sources before

installation or service.

•

Treat the drive as live whenever the mains voltage

is connected.

•

Follow the guidelines in these instructions and local

electrical safety codes.

WARNING

DISCHARGE TIME

The drive contains DC-link capacitors, which can remain

charged even when the drive is not powered. High voltage

can be present even when the warning LED indicator lights

are o. Failure to wait 40 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 and remote DC-link power

supplies, including battery back-ups, UPS, and DC-

link connections to other drives.

•

Disconnect or lock PM motor.

•

Wait 40 minutes for capacitors to discharge fully.

•

Before performing any service or repair work, use

an appropriate voltage measuring device to make

sure that the capacitors are fully discharged.

Installation Instructions

Top Fan Replacement for E3h/E4h Drives

Installation Instructions

Removing the Top Fan

To remove and replace the top fan, use the following procedures. Refer to Illustration 1.1.

1. Remove 2 screws (T25) from the fan housing.

2. Slide the fan housing and fans out from under the retaining clips.

3. Unplug the in-line connector attaching the fan cable.

4. Feed the cable through the cable access hole.

5. Lift the fans from the pins in the fan housing.

Installing the Top Fan

1. Place the fans over the pins in the fan housing. Check that the air direction arrows point upward and away from the drive.

2. Feed the fan cables through the cable access hole on the top plate.

3. Reconnect the in-line cable connector.

4. Slide the fan housing and fans into position under the retaining clips.

5. Secure 2 screws (T25) in the fan housing.

1Fanhousing 4Screw(T25)

2 Mounting pin (inside housing) 5 Cable access hole

3 Fan 6 Retaining clip

Illustration 1.1 Top Fan

Installation Instructions Top Fan Replacement for E3h/E4h Drives

Danfoss can accept no responsibility for possible errors in catalogues, brochures and other printed material. Danfoss reserves the right to alter its products without notice. This also applies to products already on

order provided that such alterations can be made without subsequential changes being necessary in specifications already agreed. All trademarks in this material are property of the respective companies. Danfoss

Danfoss A/S

Ulsnaes 1

DK-6300 Graasten

vlt-drives.danfoss.com

*MI35N102*

MI35N102130R0767 06/2017

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