Munters CX Series Manuale utente

1© Munters Corporation, August 2023 QM1243r0

Instruction Manual

CX74 Fan with Munters Drive

Models: CX74D3F43-HO-1PK • CX74D3F43-HO-2PK •

CX74D3F43-HO-3PK

CX74 Munters Drive Front View

CX74 Munters Drive Rear View

Aerotech

CX Series

Circulation Fan

74” Fan with

Munters Drive*

              

2QM1243r0

CX74 Fan with Munters Drive

Instructions for Use and Maintenance

Thank You:

Thank you for purchasing a Munters CX74 Circulation Fan with Munters Drive. 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 ensure 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, August 2023 QM1243r0

Index

Chapters Page

1. Unpacking the Equipment 4

1.1 Parts List 4

1.2 Fan Dimensions 4

2. Electrical Wiring 5

2.1 Recommended Wire Routing 6

2.2 Determining Drive Type for wiring 7

2.3 V1000 Drive Wiring 8

2.4 GA500 Drive Wiring 12

3. Operation and Maintenance 16

4. Troubleshooting 17

5. Exploded View and Parts List 18

4QM1243r0

1.1 Parts List

Unpacking the Equipment 1.

1.2 Fan Dimensions

FRONT VIEWSIDE VIEW

Each Fan includes:

1 – Munters Drive Fan

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.

17⅜”

78¼” O.D. - Dia.

90¾” O.D. - Dia.

97¼”

79¼” O.D. - Dia.

76¼” I.D. - Dia.

Fan Speciﬁcations:

Hertz: 60

Voltage: 460VAC

Phase: 3

Weight: 400 lbs. [182 Kg]

If any of the following accessories were purchased, refer to the corresponding manual for installation instructions:

74GK - Guard Kit - QM1239r1

FH1707 - Free Hanging Hanger Kit - QM1247r0

FH1709 - Pipe Hanging Kit - QM1249r0

1.3 Fan Accessories

5© Munters Corporation, August 2023 QM1243r0

Electrical Wiring 2.

All wiring should be installed in accordance with National, State, and Local electrical codes.

Fans used to ventilate livestock buildings or other rooms where continuous air movement is

essential should be connected to individual electrical circuits, with a minimum of two circuits

per room. For electrical connection requirements, refer to diagram on motor nameplate and to

information enclosed with the Munters environmental control to be used. After wiring check

for proper motor rotation.

Three Phase Fans: motor overload protection should be provided for each fan. A three-pole motor starter or

slow blow motor fuses must be used. See Figure 13.

NOTE: A safety cut-off switch should be located adjacent to each fan.

KEY:

L1=Line 1

L2=Line 2

L3=Line 3

G=Ground

         

             

  

 

 



 

 



         

      

    !   

 

 

 

 

 "

 "

 "

 "

Figure 13

Three Phase - Motor Overload Protection with Disconnect

     #  $  %

  & # 

!        

WARNING

High Voltage, disconnect power

before servicing.

6QM1243r0

Electrical WiringChapter 2

As the power cable exits the Munters Drive Box form a drip loop and then run power cable up along

strut and "Zip" tie the cable to strut to prevent cable from getting tangled in the propeller.

See Figure 1.

Then run the cable out of fan to circuit breaker or control panel. (Continued on next page).

Figure 1

2.1 Recommended Wire Routing:

Electrical Cable

Munters Drive Box

7 Munters Corporation, August 2023 QM1243r0

Electrical WiringChapter 2

2.2 Determining Drive type for wiring

To access the Drive, loosen the (4) screws in the cover of the Munters Drive box to access the terminals

inside to connect power and other cables.

See Figure 2A.

If your drive looks like Figure 2B, then

proceed to the wiring section starting on Page 8.

See Figure 2B.

If your drive looks like Figure 2C, then

proceed to the wiring section starting on Page 12.

See Figure 2C.

The Munters Drive is prewired to the

Motor.

Cover Screw (captured)

Munters Drive cover

Munters Drive Box

Munters Drive Motor

Figure 2A

WARNING

(

High Voltage, disconnect power

before servicing.

***WARNING***

Only the Cover of the Blue Box

is designed to be removed. It

has captured screws that remain

in the cover. The Base of Blue

Box and Heat Sink must not be

removed from back of motor.

Removing Base or Heat Sink from

motor will void the warranty.

Any water or other damage to

the controller will not be covered

if the either is removed.

Figure 2C

GA500 Drive proceed to page 12

Figure 2B

V1000 Drive proceed to page 8

8QM1243r0

Electrical WiringChapter 2

Run the 3 phase power cable through watertight fitting into the Munters Drive box and connect to the terminals

"R/L1, S/L2, T/L3" and Ground in the box.

See Figure 3.

The Munters Drive is prewired to the Motor.

2.3 V1000 Drive Wiring

Figure 3

460V

3 Phase

Power Supply

Prewired

to Motor

Three Phase Power connection:

To operate the fan continuously with no control, provide a Jumper wires between terminals 'S1' and 'SC'.

See Figure 4.

Do not remove the Factory Installed Jumper.

Fan Operation with No Control - V1000

Jumper wire Figure 4

Factory Installed Jumper

Do Not Remove.

***** NOTE *****

Power to the Drive must be within

-4%, +8% of nominal voltage.

Munters Recommended;

Absolute Minimum Voltage = 440V

Absolute Maximum Voltage = 500V

Munters Recommends Line to Line

Voltage Unbalance to be 1% or less

per NEMA MG-1-1998. Absolute

maximum unbalance is 1.5%.

9 Munters Corporation, August 2023 QM1243r0

Electrical WiringChapter 2

To operate the fan On/Off with a control, wire an 'ON' command from the 'SC' terminal to the input relay

in the control and from the output of the control relay to the 'S1' terminal.

See Figure 5.

Do not remove the

Factory Installed Jumper.

Fan Operation On/Off with Control - V1000

Figure 5

To operate the fan Off/Low/High with a control, connect a wire from ‘SC’ terminal to the input side of the ‘ON’

relay in the control, then install a jumper from the input side of the ‘ON’ relay to the input side of the ‘LOW’ relay

in the control. Then connect a wire from ‘S1’ terminal to the output side of the 'ON' relay and then connect a wire

from the ‘S7’ terminal to the ouput side of the ‘LOW’ relay.

See Figure 6.

Do not remove the Factory Installed

Jumper.

Fan Operation Off/Low/High - V1000

Figure 6

‘ON’

Relay

‘LOW’

Relay

10 QM1243r0

Electrical WiringChapter 2

To operate the fan Off/Variable with a 10-0V Signal, wire an ‘ON’ command from the ’SC’ terminal to the

input relay in the control and from the output of the control relay to the ‘S1’ terminal. Then connect wires

from the 10-0V output in the control to the 'A1' and 'AC' terminals in the Munters Drive Box. The '+' output

in the control shoud go to 'A1' and the ' - ' output should go to 'AC'.

See Figure 7.

Do not remove the

Factory Installed Jumpers.

Fan Operation Off/Variable with 10-0V Signal - V1000

Figure 7

+ -

10-0V Output In Control

***NOTE***

All Low Voltage wire

must be shielded

cable. i.e. Belden

8770 or equivalent.

To operate the fan Off/Variable with a signal from a potemtiometer, wire an ‘ON’ command from the ’SC’

terminal to the input relay in the control and from the output of the control relay to the ‘S1’ terminal. Then

connect wires from the Potentiometer as follows, connect ' - ' to 'AC', connect 'L' to 'A1' and connect '+' to '+V'.

See Figure 8.

Do not remove the Factory Installed Jumpers.

Fan Operation Off/Variable with Potentiometer - V1000

Figure 8

L + -

Input from Potentiometer

***NOTE***

All Low Voltage wire

must be shielded

cable. i.e. Belden

8770 or equivalent.

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