Munters G2 Bedienungsanleitung

1© Munters Corporation, December 2023 QM1505r0

Instruction Manual

Munters Drive G2

Controller Replacement Kit for ATS74/CX74

Models: FC4465-ATS7443HO • FC4465-ATS7443HE •

FC2460-CX7443HO

Munters Drive* G2

Controller

Replacement Kit for

ATS74 and CX74 Fans

*Patents Pending

GA500 Controller for ATlas74/CX74

V1000 Controller for CX74 only

2QM1505r0

Munters Drive

Controller Replacement Kit

Instructions for Use and Maintenance

Thank You:

Thank you for purchasing a Munters Drive controller replacement kit. Munters equipment is designed to be the

highest performing, highest quality equipment you can buy. With the proper installation and maintenance it will

provide many years of service.

Please Note:

To achieve maximum performance and insure long life from your Munters product it is essential that it be installed

and maintained properly. Please read all instructions carefully before beginning installation.

Warranty:

For Warranty claims information see the “Warranty Claims and Return Policy” form QM1021 available from the

Munters Corporation office at 1-800-227-2376 or by e-mail at [email protected].

Conditions and Limitations:

• Products and Systems involved in a warranty claim under the “Warranty Claims and Return Policy” shall have

been properly installed, maintained and operated under competent supervision, according to the instructions

provided by Munters Corporation.

• Malfunction or failure resulting from misuse, abuse, negligence, alteration, accident or lack of proper installation

or maintenance shall not be considered a defect under the Warranty.

3© Munters Corporation, December 2023 QM1505r0

Index

Chapters Page

1. Unpacking the Equipment 4

1.1 Parts List 4

2. Installation Instructions 5

2.1 MD2 Replacement for Atlas 74 Fan 5

2.2 MD2 Replacement for CX74 Fan 15

3. Electrical Wiring 24

3.1 Atlas 74 GA500 Drive Wiring 24

3.2 CX74 Drive Wiring 27

4. Troubleshooting 35

4QM1505r0

1.1 Parts List

Unpacking the Equipment 1.

[A]

Each Munters Drive G2 Controller Replacement Kit Includes:

1 – Munters Drive G2 Motor/Controller Assembly

1 – Hardware Package As Follows:

Before beginning installation, check the overall condition of the equipment. Remove packing materials, and examine all

components for signs of shipping damage. Any shipping damage is the customer’s responsibility and should be reported

immediately to your freight carrier.

HP1346 – Hardware Package for “MD2” Kit

ID Qty. Cat. No. Description

[A] 4 KS0673 M5-0.8 x 12mm, PHIL-PN, Bolt, ZP

If you are Installing this Controller kit in an Atlas 74 Exhaust Fan, proceed to

Page 5 , Step 1.

If you are installing this Controller Kit in a CX74 Circulation Fan, proceed to

Page 13 , Step 9.

See Figures below.

Atlas 74 Exhaust Fan

Proceed to Page 5, Step 1

CX74 Circulation Fan

Proceed to Page 13, Step 9

5© Munters Corporation, December 2023 QM1505r0

2.1 Controller Replacement for Atlas74 Fan

Installation Instructions 2.

Figure 1

Step 1

Disconnect power from fan before continuing. Remove the shutter from the back of the fan and set safely

aside to be reinstalled later. See Figure 1.

6QM1505r0

Installation InstructionsChapter 2

Step 2

Loosen the (4) captured screws in the Munters Drive Box cover to access the drive wiring. Make a note of

or take a photo of the wiring. Disconnect 3 phase power and the control wires from the drive and from the

box. See Figure 2.

Figure 2

Munters Drive Box cover

Drive Control

Captured Cover Screw

Note or photo wiring

7© Munters Corporation, December 2023 QM1505r0

Installation InstructionsChapter 2

Step 3

Remove the blue Controller Enclosure from the heat sink by removing the (4) Bolts holding it in place.

Save the bolts to reinstall the enclosure later. See Figure 3.

Figure 3

Controller Enclosure

Bolt

8QM1505r0

Installation InstructionsChapter 2

Step 4

Remove the (4) Bolts holding the Controller to the heat sink. Discard the existing bolts. See Figure 4.

Figure 4

Bolts, Discard

Controller

9© Munters Corporation, December 2023 QM1505r0

Step 5

Attach the new Munters Drive Controller to the heat sink where the old one was and secure it in place with

(4) Bolts [A]. See Figure 5.

Bolt [A]

New Controller

Installation InstructionsChapter 2

Figure 5

10 QM1505r0

Installation InstructionsChapter 2

Step 6

Replace the Controller Enclosure and secure it in place using the (4) Bolts that were removed in Step 3.

See Figure 6.

Figure 6

Controller Enclosure

Existing Bolt

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