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Munters Drive G2 Instruction Manual
Munters Drive G2 Instruction Manual

Munters Drive G2 Instruction Manual

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Munters Drive* G2
Motor
Replacement Kit for
Instruction Manual
ATS74 and CX74 Fans
*Patents Pending
Front View
Rear View
Munters Drive G2
Motor Replacement Kit
Models: FM3465
© Munters Corporation, December 2023
1
QM1503r0

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Summary of Contents for Munters Drive G2

  • Page 1 Munters Drive* G2 Motor Replacement Kit for Instruction Manual ATS74 and CX74 Fans *Patents Pending Front View Rear View Munters Drive G2 Motor Replacement Kit Models: FM3465 © Munters Corporation, December 2023 QM1503r0...
  • Page 2: Warranty

    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”...
  • Page 3 Page 1. Unpacking the Equipment Parts List 2. Installation Instructions MD2 Replacement for Atlas 74 Fan MD2 Replacement for CX74 Fan 3. Electrical Wiring Atlas 74 GA500 Drive Wiring CX74 Drive Wiring 4. Troubleshooting © Munters Corporation, December 2023 QM1503r0...
  • Page 4: Unpacking The Equipment

    Any shipping damage is the customer’s responsibility and should be reported immediately to your freight carrier. Each Munters Drive G2 FM3465 Kit Includes: 1 – Munters Drive G2 Motor 1 – Hardware Package As Follows: HP2603 –...
  • Page 5: Installation Instructions

    For the Atlas 74 Fan it will be necessary to work from the front of the fan as well as the back of the fan, so remove the outlet guard and bottom cone section of the cone for easy access. Set the Guard and Cone Section and hardware aside to be reinstalled later. See Figure 2. Figure 2 © Munters Corporation, December 2023 QM1503r0...
  • Page 6 Installation Instructions Step 3 Loosen the (4) captured screws in the Munters Drive Box cover to access the drive wiring. Disconnect 3 wires on the right side of the drive from the terminals “U/T1, V/T2, W/T3”. Then replace the cover.
  • Page 7 A gear puller or prop puller may need to be used. See Figure 4. Remove Key from Prop Adapter and keep with prop to be reused later. Set Screw Figure 4 © Munters Corporation, December 2023 QM1503r0...
  • Page 8 Remove the (4) Bolts and Star Washers holding the Prop Adapter to the Motor. Save the Prop Adapter for reuse later, but discard the existing bolts and washers. See Figure 5. Star Washers Bolts Prop Adapter Figure 5 QM1503r0 © Munters Corporation, December 2023...
  • Page 9 Chapter 2 Installation Instructions Step 6 Remove the (4) bolts holding the Heat Sink with Control Box to the back of the Munters Drive Motor and carefully set the Heat Sink with Control Box in fan. See Figure 6. Discard the (4) bolts removed.
  • Page 10 Motor. See Figure 7. If you were instructed by Munters office to send the old Motor back to the office, repack it in the box that the new Motor came in to send back. Motor...
  • Page 11 Carefully lift Motor/Drive into place and secure in place using (4) Bolts [A] and Star Washers [B]. Tighten Bolts to 60 in-lbs. [6.8 Nm] of torque. See Figure 8. Munters Drive Motor Mounting Bracket Star Washer [B] Bolt [A] Figure 8 © Munters Corporation, December 2023 QM1503r0...
  • Page 12 Align the Wiring Entrance and (4) mounting holes in the Heat Sink with the Wiring Entrance and (4) mounting holes in the back of the Munters Drive Motor and secure in place with (4) Bolts [C]. Tighten Bolts to 60 in-lbs.
  • Page 13 Attach the Prop Adapter removed in Step 5 to new Motor/Drive using (4) new Bolts [A] and Star Washers [B]. Tighten Bolts to 60 in-lbs. [6.8 Nm] of torque. See Figure 10. Washers [B] Bolts [A] Prop Adapter Figure 10 © Munters Corporation, December 2023 QM1503r0...
  • Page 14 Step 11 Reinstall propeller onto the reinstalled Prop Adapter, replacing the key removed in Step 5. Tighten the Set Screw to 80 in-lbs. [9.0 Nm] of torque. See Figure 11. Set Screw Figure 11 QM1503r0 © Munters Corporation, December 2023...
  • Page 15 Installation Instructions Step 12 Loosen the (4) captured screws in the Munters Drive Box cover to access the drive terminals. Reconnect the 3 wires on the right side of the drive from the terminals “U/T1, V/T2, W/T3”. Then replace the cover.
  • Page 16 Reinstall the shutter in the back of the fan and secure in place with the shutter clips. See Figure 14. Reconnect the power to the fan and make sure the fan operates properly. Figure 14 QM1503r0 © Munters Corporation, December 2023...
  • Page 17 2.2 G2 Motor Replacement for CX74 Fan Step 15 Disconnect power from fan before continuing. Remove the front and rear guards from the fan and set safely aside to be reinstalled later. See Figure 15. Figure 15 © Munters Corporation, December 2023 QM1503r0...
  • Page 18 Installation Instructions Step 16 Loosen the (4) captured screws in the Munters Drive Box cover to access the drive wiring. Disconnect 3 wires on the right side of the drive from the terminals “U/T1, V/T2, W/T3”. Then replace the cover.
  • Page 19 A gear puller or prop puller may need to be used. See Figure 17. Remove Key from Prop Adapter and keep with prop to be reused later. Set Screw Figure 17 © Munters Corporation, December 2023 QM1503r0...
  • Page 20 Remove the (4) Bolts and Star Washers holding the Prop Adapter to the Motor. Save the Prop Adapter for reuse later, but discard the existing bolts and washers. See Figure 18. Prop Adapter Bolts Star Washers Figure 18 QM1503r0 © Munters Corporation, December 2023...
  • Page 21 Chapter 2 Installation Instructions Step 19 Remove the (4) bolts holding the Heat Sink with Control Box to the back of the Munters Drive Motor and carefully set the Heat Sink with Control Box in fan. See Figure 19. Discard the (4) bolts removed.
  • Page 22 Motor. See Figure 20. you were instructed by Munters office to send the old Motor back to the office, repack it in the box that the new Motor came in to send back.
  • Page 23 Carefully lift Motor/Drive into place and secure in place using (4) Bolts [A] and Star Washers [B]. Tighten Bolts to 60 in-lbs. [6.8 Nm] of torque. See Figure 21. Munters Drive Motor Mounting Bracket Star Washer [B] Bolt [A] Figure 21 © Munters Corporation, December 2023 QM1503r0...
  • Page 24 Align the Wiring Entrance and (4) mounting holes in the Heat Sink with the Wiring Entrance and (4) mounting holes in the back of the Munters Drive Motor and secure in place with (4) Bolts [C]. Tighten Bolts to 60 in-lbs.
  • Page 25 Attach the Prop Adapter removed in Step 18 to new Motor/Drive using (4) new Bolts [A] and Star Washers [B]. Tighten Bolts to 60 in-lbs. [6.8 Nm] of torque. See Figure 23. Prop Adapter Bolts [A] Washers [B] Figure 23 © Munters Corporation, December 2023 QM1503r0...
  • Page 26 Step 24 Reinstall propeller onto the reinstalled Prop Adapter, replacing the key removed in Step 17. Tighten the Set Screw to 80 in-lbs. [9.0 Nm] of torque. See Figure 24. Set Screw Figure 24 QM1503r0 © Munters Corporation, December 2023...
  • Page 27 Installation Instructions Step 25 Loosen the (4) captured screws in the Munters Drive Box cover to access the drive terminals. Reconnect the 3 wires on the right side of the drive from the terminals “U/T1, V/T2, W/T3”. Then replace the cover.
  • Page 28 Munters Drive replacement kit is developed and produced by Munters Corporation, Lansing, Michigan U.S.A. 1-800-227-2376 Munters Europe AB, Isafjordsgatan 1, P.O. Box 1150, SE-164 26 Kista, Sweden. Phone +46 08 626 63 00, Fax +46 8 754 56 66. Munters Corporation 2691 Ena Drive Lansing, MI 48917 U.S.A. Phone +1 800-227-2376, Fax +1 517-676-7078 www.munters.us...

This manual is also suitable for:

Fm3465