Munters WM36 K CB Series User manual

1© Munters Corporation, August 2021 QM1231r10
Instruction Manual
WM Fiberglass Wall Mount Fan
with Damper Door - 1-Pack Quick Kit
Models: WM36xKxCB
WM36K
Wall Mount Fan
with Damper Door
1-Pack Quick Kit

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Thank You:
Thank you for purchasing a Munters Wall Mount Fan with Damper. 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.
WM36K Fiberglass Wall Mount Fan with Damper
Instructions for Use and Maintenance

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Index
Chapters Page
1. Unpacking the Equipment 4
1.1 Parts List 4
1.2 Fan Dimensions 6
1.3 Tools for Installation 6
2. Installation Instructions 7
2.1 Wall Framing 7
2.2 Fan Assembly 8
2.3 Cone Installation 12
2.4 Motor Mounting 16
3. Electrical Wiring 22
3.1 Recommended Wiring 23
4.Operation 24
5.Maintenance 25
6.Winterizing 27
6.1 Winterizing 27
6.2 Winter Weather Protection 27
7.Troubleshooting 28
8. Exploded View and Parts List 29-31

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1.1 Parts List
Unpacking the Equipment 1.
Each Crate Includes
1 – 36” Orifice Panel, Fiberglass Fan, Sub-Assembly
1 – Motor
1 – Drip Shield, AL
4 – Cone Sections, PL
1 – Cone Guard
1 – Inlet Guard
4 – Cone/Strut Mounting Brackets, GZ
1 – Motor Mount Stiffener Bracket, GZ
1 – Bulk Parts Package (BK1149)
BK1149 – Bulk Parts Package for WM36K
1 – Motor Base Bracket, CTD-GZ
1 – Belt Tensioner Bracket, CTD-GZ
1 – Motor Sheave, C.I.
1 – V-Belt, A-Section
1 – 3” Idler Pulley, A-Section C.I., Blue
1 – Rotary Tensioner Arm, AL
1 – Hardware Package (HP1177)
1 – Coated Cable with Ferrule, 100”L.

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Unpacking the EquipmentChapter 1
[A]
[B]
[C]
[D]
[E]
[F]
[G]
[H]
[J]
[K]
[L]
[M]
[N]
HP1177 – Hardware Package for 1 – WM36K
ID Qty. Cat. No. Description
[A] 2 KW3011 5⁄16” x 1¼”O.D. Flat Washer, SS
[B] 1 KS1931 M10-1.5 x 25mm Hex Bolt, ZP
[C] 1 KW3509 10mm Splitlock Washer, ZP
[D] 16 KS1007 5⁄16” x 1.25” Hex Head Bolts, SS
[E] 4 KS1029 5⁄16” x 1.75” Hex Head Bolts, SS
[F] 3 KS1075 5⁄16” x 2.75” Hex Head Bolts, SS
[G] 31 KN0704 5⁄16” SRTD Flange Nuts, SS
[H] 1 KS2463 1⁄4” x1.5” HEX Lag Screw,ZP
[J] 1 AC0211 & AC0212 Azuma Bolt & Nut, Blue PL
[K] 1 KS1046 M10-1.5 x 50mm Hex bolt, ZP
[L] 8 FH1968 1-Hole Pivoting Shutter Clip, BLK PL
[M] 2 AC1381 1⁄8” Dia. Cable Clamp, ZP
[N] 2 KX1158 Hole Plug, 0.73”-0.76” Dia., BLK PL

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1.2 Fan Dimensions
Fan Specifications: 60Hz shown (50Hz available)
Power: 115/230 VAC* or 208-230/460 VAC
Phase: 1 or 3
*Available voltages vary depending on HP
Unpacking the EquipmentChapter 1
1.3 TOOLS REQUIRED FOR INSTALLATION
10mm [3⁄8”] Socket
13mm [½”] Socket
17mm [11⁄16”] Socket or Wrench
27mm [11⁄16”] Wrench
7⁄16” Socket
Phillips Screwdriver, #3 Size
5⁄32” Hex Wrench
Wire Cutting Pliers
Dimensions:
Size A B C* D - Dia. E F Wall Openings
36” 48”W. x 48”H. 40” 59⁄16”48
3⁄8”2”1 13⁄16”44 1⁄2”W. x 441⁄2”H.
Wall Opening (W.O.)
D - Dia.
F
A
AB
Guard
E
C
*Dimension varies depending on wall construction and motor configuration.

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2.1 Wall Framing
Step 1
Construct framed opening to correct size according to the Wall Opening listed in Chart A below.
See Figure 1A and 1B. When installing exterior sheet metal before fan, leave 2” of the framing exposed on all
sides so the orifice can mount flush to the frame.
Installation Instructions 2.
Minimum Spacing
'Z'
Chart A
Wall Opening
(W. x H.)
Fan Dia.
12” recommended; 3½” minimum
36” 44½” W. x 44½” H.
Center To Center
Dimension
48” Minimum
Figure 1B 4 x 4 Post Construction - Elevation View
Ceiling
Framing
H
(See chart A)
12"
W
(See chart A)
See minimum
spacing notes in
Chart A
Z
2 x 8 Header boards
4 x 4 or
4 x 6 Posts
2 x 4
Framing
2 x 8 Banner boards
Ceiling
4 x 4 or 4 x 6 Posts
W
(See chart A)
H
(See chart A)
Figure 1A Frame Construction
441⁄2”W.
Top View
48”W. O.C.
W x H Wall Opening
Sheet Metal Opening
Stud Wall

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Step 2A
Remove the BK1149 and Motor from the front of the crate. See Figure 2A.
Figure 2A
Installation InstructionsChapter 2
Step 2B
Remove all the other loose parts from the back of the crate. See Figure 2B.
Figure 2B
BK1149
Motor
The fan can either be installed on the wall before the drive system is installed or
the drive system can be installed while the fan is in the crate.
2.2 Fan Assembly

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Step 3
Carefully turn the crate onto its side, so that the drain holes in the orifice are at the bottom. See Figure 3.
Drain Holes
Step 4
Attach the Motor Base Bracket and the Belt Tensioner Bracket to the Tube Strut using (3) Long Bolts [F], (2)
Washers [A] and (3) Nuts [G]. See Figure 4.
Figure 3
Figure 4
Installation InstructionsChapter 2
Bolt [F]
Washer [A]
Nuts [G]
Motor Base Bracket
Belt Tensioner Bracket

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Step 5
Attach the 3” Idler Pulley to the Tensioner Arm using Bolt [K]. Then attach the Tensioner/Pulley Assembly to
the Tensioner Bracket using Bolt [B] and Splitlock Washer [C]. Finger tighten only at this time. See Figure 5.
Figure 5
Installation InstructionsChapter 2
Bolt [B]
Splitlock Washer [C]
Tensioner Pulley
Tensioner Arm
Bolt [K]
Step 6
Attach Drip Shield to bottom of framed opening using (3) Barn Screws (Not Provided). See Figure 6A and 6B. If
a 4” wall is used a support board must be installed as shown in Figure 6B. Be sure not to deform Drip Shield when
installing screws.
Figure 6A
Barn Screw
(Not Provided)
Drip Shield
Figure 6B
Barn Screw
(Not Provided)
Drip Shield Drip Shield
Barn Screw
(Not Provided)
Support board