Munters ATLAS 74 Manual de usuario
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*
© Munters Corporation, November 2023
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
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
© Munters Corporation, November 2023
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
H
F
J
K - Dia.
A
A
D
B
A
E
D
A
B
C
BB
C
G
4¾ "
© Munters Corporation, November 2023
6QM1495r1
Unpacking the EquipmentChapter 1
1.3A Recommended Fan Spacing
Elevation View
(Recommended Fan Spacing)
Top View
(Recommended Fan Spacing)
98" Center-to-Center
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
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)
© Munters Corporation, November 2023
8QM1495r1
Installation Instructions 2.
2.1 Installation
Figure 1B
Figure 1A
4x4 Post or 2x Treated Framing
W.
(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.
H.
(See Chart
on Page 5)
Building Column
Concrete Stem Wall
Building Columns - 20’-0” O.C.
4x4 Post or 2x Treated Framing
W.
(See Chart
on Page 5)
H.
(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
W.
(See Chart
on Page 5)
H.
(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.
© Munters Corporation, November 2023
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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