Munters WM54K User manual

1© Munters Corporation, September 2019 QM1078r1

Instruction Manual

WM Fiberglass Wall Mount Fan

with Damper Door - 6 pack

Models: WM54xKxCB-6PK

WM54K

Wall Mount Fan

with Damper Door

6-pack

2QM1078r1

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.

WM54K Fiberglass Wall Mount Fan with Damper

Instructions for Use and Maintenance

3© Munters Corporation, September 2019 QM1078r1

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 Damper Door Installation 11

2.4 Cone Installation 17

2.5 Motor Mounting 21

3. Electrical Wiring 26

3.1 Recommended Wiring 27

4. Operation 28

5. Maintenance 29

6. Winterizing 31

6.1 Winterizing 31

6.2 Winter Weather Protection 31

7. Troubleshooting 32

8. Exploded View and Parts List 33-35

4QM1078r1

1.1 Parts List

Unpacking the Equipment 1.

Each Crate Includes Parts to build 6 fans:

Each WM54K Fan Requires:

1 – Orifice Panel, Fiberglass

1 – Propeller

1 – Tube Strut, Powder Coated

1 – Motor

1 – Drip Shield, AL

1 – Main Frame Assembly, AL

1 – Door Assembly, PL

4 – Cone Sections, PL

1 – Cone Guard

1 – Inlet Guard

½ – Bulk Parts Package (BK1154) For 2 Fans

BK1154 – ½ of Bulk Parts Package needed for 1 – WM54K

1 – Motor Base Bracket, Powder Coated

1 – Belt Tensioner Bracket, Powder Coated

4 – Cone Support Brackets, PC Type, Galvanized

4 – Cone/Strut Mounting Brackets, Galvanized

1 – V-Belt, A-Section

1 – Hub with Bearings and Shaft

1 – Motor Sheave, CI

1 – Prop Sheave, AL

1 – 3” Idler Pulley, A-Section C.I., Blue

1 – Rotary Tensioner Arm, AL

1 - Motor Mount Stiffener Bracket, Galvanized

2 – Tension Springs, 11.0”L./10.8”L., SS

1 – Hardware Package (HP1389)

1 – Coated Cable with ferrule, 100”L.

2 – Wing for Damper Door, HDPE, BLK

5© Munters Corporation, September 2019 QM1078r1

[B]

[C]

[D]

[E]

[F]

[G]

[H]

[J]

[K]

[L]

[M]

[N]

[R]

[T]

[X]

Unpacking the EquipmentChapter 1

[AA]

[BB]

[CC]

[DD]

[EE]

HP1389 – Hardware Package for 1 – WM54K

ID Qty. Cat. No. Description

[B] 1 KS1901 6.3mm x 19mm Tapping Screw, ZP

[C] 4 KS1928 M8-1.25 x 25mm Hex Bolt, ZP (HP1382 only)

[D] 4 KW4906 M8 Star Lock Washer, BLK

[E] 4 KN1849 M8-1.25 x 8mm Hex Nut, ZP

[F] 4 KS1926 M6-1.0 x 30mm Hex Bolt, ZP

[G] 4 KW4901 M6 x 12mm Flat Washer, ZP

[H] 4 KN1855 M6-1.0 x 6mm Hex Nut, ZP

[J] 1 KS1931 M10-1.5 x 25mm Hex Bolt, ZP

[K] 1 KW3509 10mm Splitlock Washer, ZP

[L] 1 KN1860 M25-2.0 x 10mm Hex Nut, ZP

[M] 1 KX1130 Shaft Shield for Prop Sheave, AL

[N] 1 KX1208 40mm Cover Cap, Black PL

[R] 8 FH1968 1-Hole Pivoting Shutter Clip, PL

[T] 1 AC0211 & AC0212 Azuma Bolt & Nut, Blue PL

[X] 1 KS1046 M10-1.5 x 50mm Hex bolt, ZP

1 HK1001 Hardware Kit WM54K Fan Assembly, #1 of 2

1 HK1002 Hardware Kit WM54K Fan Assembly, #2 of 2

1 LB2647 Speciﬁcation Label for WM54K

HK1001 – Hardware Kit for 1 – WM54K Fan

ID Qty. Cat. No. Description

[AA] 18 KS1007 5⁄16”-18 x 1.25” SRTD Flange Head Bolts, SS

[BB] 4 KS1029 5⁄16”-18 x 1.75” SRTD Flange Head Bolts, SS

[CC] 7 KS1075 5⁄16”-18 x 2.75” SRTD Flange Head Bolts, SS

[DD] 37 KN0704 5⁄16”-18 SRTD Flange Nuts, SS

[EE] 10 KW3011 5⁄16” x 1¼”O.D. Flat Washer, SS

HK1002 – Hardware Kit for 1 – WM54K Fan

ID Qty. Cat. No. Description

[FF] 4 KS2250 #10-16 x ½” TEK Screw, SS

[GG] 7 KS1400 #10-12 x 3⁄4”, SLTDHX, Seal-Washer Screw, ZP

[HH] 1 KW3012 ¹⁄₄” x 1”O.D. Flat Washer, SS

[JJ] 2 AC1381 1⁄8” Dia. Cable Clamp, ZP

[KK] 2 KX1158 Hole Plug, 0.73”-0.76” Dia., BLK PL

[LL] 1 KS2463 1⁄4” x 1.5” HEX Lag Screw,ZP

[FF]

[GG]

[HH]

[JJ]

[KK]

[LL]

6QM1078r1

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

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.

Guard

1.3 Tools required for installation

10mm [3⁄8”] Socket

13mm [ ½”] Socket

17mm [11⁄16”] Socket or Wrench

27mm [11⁄16”] Wrench

36mm Socket or Wrench

5⁄16” Socket or Wrench

3⁄8” Socket

Phillips Screwdriver, #3 Size

1⁄8” Drill Bit

5⁄32” Hex Wrench

Wire Cutting Pliers

*Dimension varies depending on wall construction and motor configuration.

7© Munters Corporation, September 2019 QM1078r1

Installation Instructions 2.

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.

Minimum Spacing

'Z'

Chart A

Wall Opening

(W. x H.)

Fan Dia.

54” 56½” W. x 56½” H.

Figure 1B 4 x 4 Post Construction - Elevation View

Ceiling

Framing

(see chart A)

12"

(see chart A)

See minimum

spacing notes in

Chart A

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

(see chart A)

Note:

Damper doors should

be carefully set aside

out of direct sunlight

until needed.

Center To Center

Dimension

60” Minimum

Figure 1A Frame Construction

561»2”W.

Top View

60”W. O.C.

W x H Wall Opening

Sheet Metal Opening

Stud Wall

12” recommended; 3½” minimum

8QM1078r1

2.2 Fan assembly

Step 2

Place tube strut on saw horses or a flat work surface. The large center hole should be pointing horizontally.

Attach the Motor Base Bracket and the Belt Tensioner Bracket to the Tube Strut using (3) Long Bolts [CC],

(2) Washers [EE] and (3) Nuts [DD]. The Motor Bracket and the Tensioner Bracket share the middle hole.

See Figure 2A.

Figure 2A

Installation InstructionsChapter 2

Step 2B

Attach the 3” Idler Pulley to the Tensioner Arm using Bolt [X]. Then attach the Tensioner Arm assembly to the

Tensioner Bracket using Bolt [J] and Splitlock Washer [K]. Finger tighten only at this time.

See Figure 2B.

Next attach the Specification Label to the Tube Strut as shown, and then mark the box for the appropriate

model fan.

Figure 2B

Tube Strut

Motor Base Bracket

Tensioner Bracket

Washer [EE]

Long Bolts [CC]

Idler Pulley

Tensioner Arm

Bolt [X]

Washer [K]

Bolt [J]

Nuts [DD]

Label

9© Munters Corporation, September 2019 QM1078r1

Step 3

Attach Prop Sheave to Hub using (4) Bolt [F], Washer [G] and Nut [H]. See Figure 3.

Prop Sheave

Hub

Bolt [F]

Washer [G]

Prop Sheave

Nut [H]

Bolt [F]

Hub

Washer [G]

Step 4

Rotate Tube Strut on saw horses so Motor Bracket is pointing up. Slide Shaft Shield [M] over hub shaft

as shown in Figure 4. Attach Sheave/Hub Assembly to Tube Strut using (1) Hex Nut [L] and tighten to

52 ft-lbs [70 N-m] torque. See Figure 4. Place Plastic Cover Cap [N] over Hex Nut and fasten in place

with (1) Tapping Screw [B]. See Figure 4. Set aside the Strut Assembly for use in a later step.

Figure 3

Shaft Shield [M]

Hex Nut [L]

Cap Cover [N]

Tapping Screw [B]

Figure 4

Installation InstructionsChapter 2

Hub Assembly

10 QM1078r1

Step 5

Place Orifice Panel on saw horses with the round orifice pointing up and place (1) Cone/Strut Mounting

Bracket in each corner of the Orifice Panel. See Figure 5.

Mounting Bracket

Oriﬁce Panel

Step 6

Corners of Orifice Panel with 2 holes are corners where Strut Assembly attaches. Secure Strut Assembly using

(4) Long Bolts [CC], (6) Washers [EE] and (4) Nuts [DD]. In the opposite corners attach Cone/Strut Mounting

Bracket to the orifice using (1) Short Bolt [AA], Washer [EE] and Nut [DD]. See Figure 6.

Figure 5

Figure 6

Long Bolt [CC]

Washer [EE]

Nuts [DD]

Drain Hole

Washer [EE]

Short Bolt [AA]

Nuts [DD]

Installation InstructionsChapter 2

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