Munters WM54K User manual
1© Munters Corporation, September 2019 QM1233r0
Instruction Manual
WM Fiberglass Wall Mount Fan
with Damper Door - 1-Pack Quick Kit
Models: WM54xKxCB
WM54K
Wall Mount Fan
with Damper Door
1-Pack Quick Kit
© Munters Corporation, September 2019
2QM1233r0
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
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.
WM54K Fiberglass Wall Mount Fan with Damper
Instructions for Use and Maintenance
3© Munters Corporation, September 2019 QM1233r0
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 Motor Mounting 10
2.4 Cone Installation 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
© Munters Corporation, September 2019
4QM1233r0
1.1 Parts List
Unpacking the Equipment 1.
Each Crate Includes
1 – 54” 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, Galvanized
1 – Motor Mount Stiffener Bracket, Galvanized
1 – Bulk Parts Package (BK1151)
BK1151 – Bulk Parts Package for WM54K
1 – Motor Base Bracket, Powder Coated
1 – Belt Tensioner Bracket, Powder Coated
1 – Motor Sheave
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.
5© Munters Corporation, September 2019 QM1233r0
[A]
[B]
[C]
[D]
[E]
[F]
[G]
[H]
[J]
[K]
[L]
[M]
[N]
Unpacking the EquipmentChapter 1
HP1177 – Hardware Package for 1 – WM54K
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
© Munters Corporation, September 2019
6QM1233r0
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
3⁄8” Socket
Phillips Screwdriver, #3 Size
5⁄32” Hex Wrench
Wire Cutting Pliers
Dimensions:
Size A B C* D - Dia. E F Wall Openings
54” 60”W. x 60” H. 49” 61⁄2”66
5⁄16”3
3⁄16”4
3⁄4”56
1⁄2”W. x 561⁄2”H.
Wall Opening (W.O.)
D - Dia.
F
A
AB
Guard
E
C
*Dimension varies depending on wall construction and motor configuration.
7© Munters Corporation, September 2019 QM1233r0
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
54” 56½” W. x 56½” H.
Center To Center
Dimension
60” 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
561»2”W.
Top View
60”W. O.C.
W x H Wall Opening
Sheet Metal Opening
Stud Wall
© Munters Corporation, September 2019
8QM1233r0
Step 2A
Remove the BK1151 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
BK1151
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
9© Munters Corporation, September 2019 QM1233r0
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]
Nut [G]
Motor Base Bracket
Belt Tensioner Bracket
© Munters Corporation, September 2019
10 QM1233r0
Motor Key
Motor
Motor Sheave
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.
Step 6
Find the Key provided with the Motor and place it in the Keyway on the motor shaft. Place the Motor
Sheave on the Motor shaft with the hub facing towards the motor. See Figure 6. ONLY tighten the set
screw enough to hold the Sheave in place at this time. See Figure 6.
Figure 5
Figure 6
Installation InstructionsChapter 2
Bolt [B]
Splitlock Washer [C]
Tensioner Pulley
Tensioner Arm
Bolt [K]
2.3 Motor Mounting
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