Munters AT14F Bedienungsanleitung

1© Munters Corporation, July 2020 QM1050r9

Instruction Manual

Classic ‘AT’ Fans Direct Drive

Models: AT14F • AT16F • AT16G • AT18F • AT18G • AT24F •

AT24G • AT24F3 • AT24G3

14” - 24”

CLASSIC ‘AT’

Direct Drive

14” - 24” Fans

AT24F

AT24G

2QM1050r9

Classic ‘AT’ Fan Direct Drive 14”, 16”, 18”, 24” Fans

Instructions for Use and Maintenance

Thank You:

Thank you for purchasing a Munters Classic Fan Direct 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 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, July 2020 QM1050r9

Index

Chapters Page

1. Unpacking the Equipment 4

1.1 Parts List 4

1.2 Fan Dimensions 5

2. Installation Instructions 6-8

2.1 Install 6

2.2 Shutter Installation 8

3. Electrical Wiring 9

4. Operation 11

5. Maintenance 13

6. Winterizing 14

6.1 Winterizing 14

6.2 Winter Weather Protection 14

7. Troubleshooting 15

8. Exploded View and Parts List 16-17

4QM1050r9

1.1 Parts List

Unpacking the Equipment 1.

[A]

[B]

[C]

Each Fan includes:

1 – Direct Drive Fan

1 – Hardware Package as follows:

HP1076 – 14” - 24” Fiberglass Fans

ID Qty. Cat. No. Description

[A] 8 KS2105 #14 x 1.5” Lag Screw, SS

HP1008 – 16” - 24” Galvanized Fans

[B] 8 KS2463 ¹⁄₄” x 1.5” Lag Screw, ZP

[C] 8 KW3001 ¹⁄₄” Flat Washer, ZP

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. Fan is shipped complete with all accessories.

5© Munters Corporation, July 2020 QM1050r9

1.2 Fan Dimensions

Unpacking the EquipmentChapter 1

16” - 24” Galvanized Fans14” - 24” Fiberglass Fans

E - Dia.

Fan Speciﬁcations:

Hertz: 60 50 - 60

Voltage: 115/230VAC or 190 - 208-230/380 - 460VAC

Phase: 1 or 3

3 Phase fans only available for AT24

CAT.

NO.

FAN

DIA.

NO. OF

BLADES A B C D E - Dia.

(O.D.)

WALL OPENING

(I.D., framed)

AT14F 14” 7 195⁄8” 31⁄2” 103⁄4” 31⁄2” 141⁄2” 171⁄4”W 171⁄4”H

AT16F 16” 4 225⁄8” 41⁄4” 111⁄8” 41⁄4” 161⁄2” 201⁄$”W 201⁄4”H

AT16G 16” 4 20” 43⁄4” 101⁄4” 43⁄4” 161⁄2” 201⁄$”W 201⁄4”H

AT18F 18” 5 245⁄8” 41⁄4” 12” 41⁄4” 181⁄2” 221⁄4”W 221⁄4”W

AT18G 18” 5 22” 45⁄8”11" 45⁄8” 181⁄2” 221⁄4”W 221⁄4”W

AT24F 24” 4 303⁄4” 51⁄4” 121⁄8” 51⁄4” 241⁄2” 281⁄4”W 281⁄4”H

AT24G 24” 4 28” 57⁄8” 113⁄8” 57⁄8” 241⁄2” 281⁄4”W 281⁄4”H

E - Dia.

6QM1050r9

Installation Instructions 2.

2.1 Install

Figure 1

Ceiling

Framing

12"

Wall

Opening

(See Chart on

previous page)

8”

Min.

Step 1

Construct the framed opening to correct size according to the Chart on the previous page.

See Figure 1 and 2.

Wall

Opening

(See Chart on

previous page)

2x Framing

Wall Opening

15"

MIN.

Figure 2

7 Munters Corporation, July 2020 QM1050r9

Installation InstructionsChapter 2

Step 2

Insert fan into framed opening from outside and fasten in place using (8) Lag Screws [A] for Fiberglass Fans or

(8) Lag Screws [B] and Washers [C] for Galvanized Fans. Flash and caulk around opening.

See Figure 3.

Note:

Outlet of fan comes unguarded, it is recommended

that a Munters Discharge Cone with Guard, a Fan

Hood with Guard or a guard by others is installed

on outlet of fan at this time.

Fiberglass

Fan

Figure 3

2x Framing 2x Framing

Washer [C]

15"

MIN.

15"

MIN.

Galvanized

Fan

Lag Screw [B]

Lag Screw [A]

8QM1050r9

Installation InstructionsChapter 2

2.2 Shutter Installation

Step 3

If a Shutter was purchased, install it into back of framed opening. See Figure 4. If optional Shutter Clip Kit

(FH1192) was purchased, install now using hardware provided with kit. See Figure 4.

Shutter Clip

Shutter

Figure 4

Shutter Clip

Lag Screw

Galvanized

Fan

Fiberglass

Fan

Shutter Clip

Shutter

Shutter Clip

Lag Screw

9© Munters Corporation, July 2020 QM1050r9

Electrical Wiring 3.

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.

Single Phase Fans: motor overload protection should be provided for each fan. A Circuit Breaker Switch or slow

blow motor type fuses must be used, See Figure 6A. See form QM1400 for proper size.

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 6B.

If a frequency drive (inverter) is used, confirm that motors are rated for inverter duty at the voltage used. Shielded

power cable between frequency drive and each motor is highly recommended. Installation of line reactors is

recommended to reduce voltage spikes and harmonic distortion. Supplemental motor overload protection is also

recommended.

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

Figure 6A

Single Phase - Motor Overload Protection with Disconnect

(SY2000 or Equivalent)

          

             

  

    

    



    

    



          

       

    

    

    

    

    

KEY:

L1=Line 1

L2=Line 2

L3=Line 3

H=Hot

N=Neutral

G=Ground

NOTE: Information in parenthesis refers to 120 VAC control.

         

             

  

 

 



 

 



         

       

        

 

 

 

 

 !

 !

 !

 !

Figure 6B

Three Phase - Motor Overload Protection with Disconnect

      "   #   

  $  " 

          

 $  "  $  %    &     $  " 

10 QM1050r9

Electrical WiringChapter 3

Three Phase Fans:

1) The use of a quality frequency drive and the installation of line reactors is recommended to

reduce voltage spikes and harmonic distortion.

2) Minimum operating frequency of 30 Hz.

3) Will require three pole contractors with overload protection (by others).

As the power cable exits the back of motor form a drip loop and then run power cable down along leg

of motor mount and "Zip" tie the cable to leg to prevent cable from getting tangled.

See Figure 7.

Then

run the cable out the drain hole to the circuit breaker or control panel. (Continued on next page).

Figure 7

3.1 Recommended Wire Routing:

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