Munters WF50 Series Manuale utente

1© Munters Corporation, December 2019 QM1075r3

Instruction Manual

WF50 Galvanized Tilt Fan with Cone

Partially Assembled, No Crate

Models: WF501TxCP • WF501TxCY • WF5015TxCP •

WF5015TxCY

WF50-99

Galvanized

50” Tilt Fan

with Cone

Partially Assembled,

No Crate

2QM1075r3

WF50 Galvanized Tilt Fan with Cone

Instructions for Use and Maintenance

Thank You:

Thank you for purchasing a Munters WF50 Fan. 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.

3© Munters Corporation, December 2019 QM1075r3

Index

Chapters Page

1. Unpacking the Equipment 4

1.1 Parts List 4

1.2 Fan Dimensions 5

2. Installation Instructions 6

2.1 Installation 6

3. Electrical Wiring 9

3.1 Wiring 9

3.2 Recommended Wire Routing 10

4. Operation 11

5. Maintenance 12-13

6. Winterizing 14

6.1 Winterizing 14

6.2 Winter Weather Protection 14

7. Troubleshooting 15

8. Exploded View and Parts List 16-17

4QM1075r3

1.1 Parts List

Unpacking the Equipment 1.

[A]

[B]

[C]

[D]

[E]

[F]

[G]

[H]

[J]

[K]

Each Fan includes:

1 – 50” Belt Drive Fan

4 – Cone Sections

4 – Cone Support Brackets

1 – Cone Guard

1 – 3-Blade Propeller

1 – Shutter

1 – Hardware Package (HP1118):

HP1118 – for WF50-99 Fans

ID Qty. Cat. No. Description

- - Hardware for Cone Installation - -

[A] 12 KS1152 1⁄4”-20 x 1.75” SRTD Flange Head Bolt, ZP

[B] 16 KS1153 1⁄4”-20 x ¹⁄₂” SRTD Flange Head Bolt, ZP

[C] 28 KN0730 1⁄4”-20 SRTD Flange Nut, ZP

[D] 8 KS2260 1⁄4”-20 x ³⁄₄” SRTDHXWSHR TEK Screw, ZP

[E] 12 KX1256 .32"IDx.75"ODx1"L. Spacer, Black, NY

- - Hardware for Fan Installation - -

[F] 12 KS2463 1⁄4” x 1.5” Hex Lag Screw, ZP

[G] 12 KS2203 1⁄4”-20 x ¹⁄₂” SRTDHXWSHR Type-F Screw, ZP

[H] 4 KS1928 M8-1.25 x 25mm Hex Bolt, ZP

[J] 4 KW4906 M8 Star Lock Washer, BLK

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

[L] 2 - - - Yellow Vertical Warning Labels

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.

5© Munters Corporation, December 2019 QM1075r3

1.2 Fan Dimensions

Unpacking the EquipmentChapter 1

FRONT VIEWSIDE VIEW

G - Dia.

Wall Opening

Shutter

Fan Speciﬁcations: (50Hz available)

Hertz: 60 60

Voltage: 120/240VAC or 208-240/480VAC

Phase: 1 or 3

NOTE: Crate may contain Fan Accessories.

CAT. NO.

FAN

DIA. A B C D E F G - Dia.

WALL OPENING

(I.D., framed)

WF50 50” 593⁄8” 461⁄2” 93⁄4” 541⁄8” 571⁄8” 215⁄16” 591⁄16” 55”W. x 561⁄4”H.*

*Opening based on 2 x 4 framing. Opening size may change with framing. See Chart A, page 6.

Wall Opening

6QM1075r3

Installation Instructions 2.

2.1 Installation

Figure 2A

Ceiling

Framing

H. (See Chart A) 12"

(See Chart A)

Chart A

Catalog

No.

2 x 4 Framing

Concrete Framing

WF50 55”W. x 561⁄4”H. 55”W. x 573⁄4”H.

Step 1

Attach Top and Bottom Mounting Brackets to Fan Housing using

(12) Screws [G]. Install Screws in direction shown. See Figure 1.

Step 2

Construct the framed opening to correct size according to the Chart A (below)

and your fan size.

See Figure 2A and 2B.

If fan and housing is to be framed

into a 2 x 4 wall or concrete wall, See Figure 2A, 2B, 2C and Chart A for

details. For greater than 4" wall thickness, See Figure 2D.

Recommended Clearance*

•Fan with outlet guard: maintain

8" minimum clearance on all sides

•Fan with discharge cone: maintain

12" minimum clearance on all sides

See Clearance

Recommended

Clearance,

upper right.

Figure 2B

2 x 4 Framing

A - 2 x 4 Wall Opening

2 x 4

B - Concrete Wall Opening

A - 2 x Wall Opening

3¹⁄₂"

Framing cut at

12° to match

fan housing.

Figure 2C

Concrete Framing

Figure 2D

Greater Than 4" Wall Thickness

Figure 1

Screw [G]

Top Mounting

Bracket

Bottom Mounting

Bracket

Screw [G]

7© Munters Corporation, December 2019 QM1075r3

Step 3

Slide fan and housing into framed wall opening.

See Figure 3

Installation InstructionsChapter 2

Figure 3

Figure 4A

54¹⁄₂"

¹⁄₄" x 1.5" Lag Screw [A]

54¹⁄₈"

Figure 4B

Step 4

Confirm that housing inside dimensions match those shown in

Figure 4A. Then secure housing to wall using (12) Lag Screws [F],

through holes in each mounting flange. See Figure 4B.

NOTE:

This is NOT the

Wall Opening Size

8QM1075r3

Installation InstructionsChapter 2

Step 5

Remove Propeller from back of fan.

Step 6

Attach Propeller to hub assembly and secure using (4) M8 Bolts [H], Star Washers [J] and Nuts [K].

Tighten bolts to 180 in-lbs. [20 N-m] of torque. See Figure 5A and 5B.

Figure 5A

Figure 5B

M8 Bolt [H]

Star Washer [J]

Nut [K]

Step 7

Proceed to Installation Instructions for Discharge Cone, Form QM1033 for 50" Fans.

9© Munters Corporation, December 2019 QM1075r3

Electrical Wiring 3.

All wiring should be installed in accordance with National, State, and Local electrical codes. Fans used to ventilate

livestock buildings or other rooms where continuous air movement is essential should be connected to individual

electrical circuits, with a minimum of two circuits per room. For electrical connection requirements, refer to diagram

on motor nameplate and to information enclosed with the Munters environmental control to be used. After wiring

check for proper motor rotation.

Single Phase Fans: motor overload protection should be provided for each fan. A Circuit Breaker Switch or slow

blow motor type fuses must be used, See Figure 6A. See form QM1400 for proper size.

Three Phase Fans: motor overload protection should be provided for each fan. A three-pole motor starter or slow

blow motor fuses must be used. See Figure 6B.

If a frequency drive (inverter) is used, confirm that motors are rated for inverter duty at the voltage used. Shielded

power cable between frequency drive and each motor is highly recommended. Installation of line reactors is

recommended to reduce voltage spikes and harmonic distortion. Supplemental motor overload protection is also

recommended.

NOTE: A safety cut-off switch should be located adjacent to each fan.

Figure 6A

Single Phase - Motor Overload Protection with Disconnect

(SY2000 or Equivalent)

120 or 240 VAC

Power Supply for

Fan

L1 (H)

L2 (N)

T1 (H)

T2 (N)

120 or 240 VAC

Power Out

to Fan

L1 (H)

L2 (N)

T1 (H)

T2 (N)

NOTE: Information in parenthesis refers to 120 VAC control.

Three Phase

Power Supply for

Fan

Three Phase

Power Out

to Fan Motor

L3 T3

Figure 6B

Three Phase - Motor Overload Protection with Disconnect

Safety cut-off

switch

Motor Starter

KEY:

L1=Line 1

L2=Line 2

L3=Line 3

H=Hot

N=Neutral

G=Ground

Circuit Breaker Switch

3.1 Wiring

10 QM1075r3

3.2 Recommended Wire Routing (two options):

Step 7

As the power cable exits the back of motor, form a drip loop and then run cable through side of fan

housing, through flexible conduit and into building.

See Figure 7A and 7B.

Step 8

As the power cable exits the back of motor, form a drip loop and then run cable up through fan

housing and frame into wall cavity and into building.

See Figure 8A and 8B.

Step 9

Add flashing and/or caulk around completed housing on exterior side of building wall.

Figure 7A

Drip Loop

Figure 7B

Drip

Loop

Figure 8A Figure 8B

Shutter Installation

Step 10

Insert shutter into fan by sliding the bottom flange of shutter into bottom shutter clips and pressing

shutter inward. See Figure 9A. Fasten shutter in place by rotating top and side shutter clips over

shutter flanges.

See Figure 9B.

Figure 9A Figure 9B

Shutter Clip

Electrical WiringChapter 3

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