Munters ATLAS 74 Manuale utente

1© Munters Corporation, November 2023 QM1495r1

Instruction Manual

ATLAS 74 Fan with Munters Drive

Models: ATS74D3F43CT-HO • ATS74D3F43CT-HE

Munters

ATLAS 74

74” Exhaust Fan

with

Munters Drive*

              

2QM1495r1

Munters ATLAS 74 Fan with Munters Drive

Instructions for Use and Maintenance

Thank You:

Thank you for purchasing an ATLAS 74 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, November 2023 QM1495r1

Index

Chapters Page

1. Unpacking the Equipment 4

1.1 Parts List 4

1.2 Fan Dimensions 5

1.3 Fan Spacing 6-7

2. Installation Instructions 8-17

2.1 Installation 8

2.2 Cone Installation 12

2.3 PT Shutter 15

2.4 Shutter Wind Kit 16

3. Electrical Wiring 18-23

3.1 Recommended Wire Routing 19

3.2 Three Phase Power Connection 20

3.3 Fan Operation with No Control 21

3.4 Fan Operation On/Oﬀ with Control 21

3.5 Fan Operation Oﬀ /Low/High 22

3.6 Fan Operation Oﬀ /Variable with 10-0V Signal 22

3.7 Fan Operation Oﬀ /Variable with Potentiometer 23

3.8 Fan Alarm Connections 23

4. Operation and Maintenance 24

5. Troubleshooting 25

6. Winterizing 26

6.1 Winterizing 26

6.2 Winter Weather Protection 26

7. Exploded View and Parts List 28-29

4QM1495r1

Unpacking the Equipment 1.

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.

1.1 Parts List

[A]

[B]

[C]

[D]

[E]

[F]

[G]

Each Fan includes:

1 – Munters Drive Fan

4 – Cone Sections, PL

2 – Guard Sections, CTD

1 – Shutter

2 – Shutter Wind Bracket, GZ

1 – Shutter Wind Pipe, GZ

4 – Reinforcing Ring, ¼ Section, Atlas74, CTD-STL, White

1 – Hardware Package as follows:

HP1162– Atlas 74

ID Qty. Cat. No. Description

[A] 28 KS1167 5⁄16”-18 x 1.25” SRTD Flange Head Bolt, ZP

[B] 32 KN0706 5⁄16”-18 SRTD Flange Nut, ZP

[C] 12 KW3011 5⁄16” x 1¼”O.D. Flat Washer, SS

[D] 4 KS1169 5⁄16”-18 x 1.75” SRTD Flange Head Bolt, ZP

[E] 4 KN1706 5⁄16”-18 Nylock Nut, ZP

Each

FH1890

Lift Bracket includes:

1 – Left Lift Bracket, PWDCTD

1 – Right Lift Bracket, PWDCTD

1 – Hardware Package as follows:

HP1891 - for FH1890

ID Qty. Cat. No. Description

[F] 8 KS1180 3⁄8”-16 x 1.5” Flange Head Bolt, ZP

[G] 8 KN0705 3⁄8”-16 SRTD Flange Nut, ZP

WARNING:

A Munters Lift Kit, FH1890, is required for installation of Atlas Fan.

One Lift Kit may be used for multiple Atlas Fans. Failure to use the

Munters Lift Kit may result in damage to fan. DO NOT use chains

to lift fan for installation. Damage from chains will not be covered

under warranty.

5 Munters Corporation, November 2023 QM1495r1

1.2 Fan Dimensions

Unpacking the EquipmentChapter 1

Fan Speciﬁ cations:

Hertz: 60

Voltage: 460VAC

Phase: 3

Weight: 400 lbs. [182 Kg]

FAN

DIA. A B C D E F G H J K-Dia. WALL OPENING

(I.D., framed)

74” 51⁄2” 211⁄2” 441⁄2” 89” 89” 137⁄8” 353⁄4” 603/16”2⁵⁄₁₆” 853⁄8” 84½ ”W. 84½ ”H.

FRONT VIEWSIDE VIEW

K - Dia.

4¾ "

6QM1495r1

Unpacking the EquipmentChapter 1

1.3A Recommended Fan Spacing

Elevation View

(Recommended Fan Spacing)

Top View

(Recommended Fan Spacing)

98" Center-to-Center

¼"

3¾"

When determining fan spacing/fan layout, keep in mind that the fan requires ¼" clear space from the mounging

flange so the Shutter Clips have room to rotate, to allow the shutter to be removed and reinstalled in the fan without

interference. Also, the sides of the fan also require 3¾" clearance for the Wind Kit Bracket to be installed. If the

fans are to be installed side-by-side with the Wind Kit Brackets adjacent to each other, the minimum fan spacing is

98" Center-to-Center. See Figure Below.

7 Munters Corporation, November 2023 QM1495r1

Unpacking the EquipmentChapter 1

Elevation View

Top View

93" Center-to-Center

¼ "

3¾ "

If the fans are to be installed closer, then the Wind Kit Bracket for one fan should be offset 6" up or down from the

previous fan, then the minimum fan spacing is 93" Center-to-Center. See Figure Below.

1.3B Minimum Fan Spacing (Optional)

8QM1495r1

Installation Instructions 2.

2.1 Installation

Figure 1B

Figure 1A

4x4 Post or 2x Treated Framing

(See Chart

on Page 5)

Step 1

Construct the framed opening to correct size according to the Chart on Page 5. The frame should be

constructed of 4x4 Treated Posts or double 2x Treated Studs. 2 fans can fit between Columns that are

20’O.C., and 3 fans can fit between Columns that are 25’ or 30’ O.C.

See Figure 1A, 1B and 1C.

(See Chart

on Page 5)

Building Column

Concrete Stem Wall

Building Columns - 20’-0” O.C.

4x4 Post or 2x Treated Framing

(See Chart

on Page 5)

(See Chart

on Page 5)

Building Column

Concrete Stem Wall

Building Columns - 25’-0” O.C.

9 Munters Corporation, November 2023 QM1495r1

Installation InstructionsChapter 2

Figure 1C

4x4 Post or 2x Treated Framing

(See Chart

on Page 5)

(See Chart

on Page 5)

Building Column

Concrete Stem Wall

Building Columns - 30’-0” O.C.

Step 2

A Lift Bracket Kit is available to be able to lift fan into the framed opening. Attach each Lift Bracket to

Bearing Bracket and Strut using (4) Bolts [F] and Nuts [G].

See Figure 2.

Once fan has been installed

in wall Lift Bracket can be removed and installed in next fan for installation.

Bolt [F]

Left Lift Bracket

Munters Drive Bracket

Right Lift

Bracket

Nut [G]

Figure 2

WARNING:

A Munters Lift Kit, FH1890, is required for installation of Atlas Fan. One Lift Kit may be used for

multiple Atlas Fans. Failure to use the Munters Lift Kit may result in damage to fan. DO NOT

use chains to lift fan for installation. Damage from chains will not be covered under warranty.

10 QM1495r1

Installation InstructionsChapter 2

Step 3A

Using Munters Lift Kit, FH1890, insert fan into the framed opening from the inside. While holding fan tight to

framing, fasten top of fan with (5) ¼" x 1.5"L. minimum Mounting Screw/Bolt (not provided).

See Figure 3A

Next, fasten bottom of fan, then both sides with (5) ¼" x 1.5"L. minimum Mounting Screw/Bolt (not provided)

per side. Install flashing around opening tight to fan and caulk around fan to seal.

Figure 3B Wall Framing

2" Minimum Framing for fan, Bottom

Wall Opening (See Chart on Page 5)

4" Minimum Framing for

fan, Top and Sides

Wall Framing

Figure 3A

OUTSIDEINSIDE

¼" x 1.5"L. minimum

Mounting Screw/Bolt

(not provided)

Step 3B

If fan needs to be mounted, so that shutter does not stick into building then frame fan as shown in Figure 3B. Top

and sides require 4" minimum and bottom requires 2" minimum.

Note:

Once Fan is installed in wall,

remove Lifting Brackets from

Fan and install in next Fan

for installation.

Note:

Once Fan is installed in wall,

remove Lifting Brackets from

Fan and install in next Fan

for installation.

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