Munters CX24 Manual de usuario

1© Munters Corporation, May 2021 QM1108r1

Instruction Manual

CX24 Circulation Fan - 24"

Fan Models: CX24P1 • CX24P3 • CX24P1G • CX24P3G •

CX24PW1 • CX24PW3 • CX24P1WG • CX24P3WG

Circulation Fan

with or without

Guard

24” Fan

CX24P1/CX24P3

CX24PW1G/CX24PW3G

*Patents Pending

2QM1108r1

CX24 Circulation Fan 24” Fans

Instructions for Use and Maintenance

Thank You:

Thank you for purchasing a Munters CX Circulation 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, May 2021 QM1108r1

Index

Chapters Page

1. Unpacking the Equipment 4

1.1 Parts List 4

1.2 Fan Dimensions 5

2. Installation Instructions 6

2.1 Fan Installation 6

2.2 Optional Guard Installation 7

3. Electrical Wiring 8

4. Operation 10

5. Maintenance 11

6. Troubleshooting 12

7. Exploded View and Parts List 13

4QM1108r1

1.1 Parts List

Unpacking the Equipment 1.

[A]

[B]

Each CX24P1/CX24P3/CX24PW1/CX24PW3 Fan includes:

1 – Direct Drive Circulation Fan

Each CX24P1G/CX24P3G/CX24PW1G/CX24PW3G

Fan with Guard includes:

1 – Direct Drive Circulation Fan

1 – Guard, Inlet/Outlet Pair, PWDCTD

1 – Hardware Package as follows:

HP1246 – Fan with Guard

ID Qty. Cat. No. Description

[A] 4 KS0650 1⁄4”-20 x ⁷⁄₈” Truss Head Bolt, SS

[B] 8 KN1705 1⁄4”-20 Hex, Nylock Nut, ZP

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, May 2021 QM1108r1

1.2 Fan Dimensions

Unpacking the EquipmentChapter 1

CX24 Circulation Fan

Fan Speciﬁcations:

Hertz: 60 50 - 60

Voltage: 115/230VAC or 190 - 208-230/380 - 460VAC

Phase: 1 or 3

CAT.

NO.

FAN

DIA.

NO. OF

BLADES A B C D - Dia.

(O.D.)

CX24 24” 3 303⁄4” 127⁄8” 81⁄4” 243⁄4”

D - Dia.

6QM1108r1

Installation Instructions 2.

2.1 Fan Installation

Figure 1A

Chain (not provided)

Step 1

For Horizontal Airflow attach chain to 2 of the Eye Bolts on the fan and then hang the fan from truss.

See Figure 1A.

Chain and hanging hardware not provided. If it is desired to pull the fan up out of the

way when not in use for cleaning, then attach a cable or rope to the Lift Bracket and use a winch or

actuator to pull the fan up. See Figure 1B.

Figure 2

Eye Bolt

Chain (not provided)

Eye Bolt

Step 2

For Vertical Airflow attach chain to 4 of the Eye Bolts on

the fan and then hang the fan from trusses.

See Figure 2.

Chain and hanging hardware not provided.

Figure 1B

Chain (not provided)

Cable or Rope

(not provided)

Lift Bracket

If installing fans near heaters, it is

recommended to install the CX24 Fan at a

location far enough from heaters that will

give a maximum temperature of 150°F.

This should be approximately 2-3 ft. from

the heater.

IMPORTANT

7 Munters Corporation, May 2021 QM1108r1

Installation InstructionsChapter 2

Step 3

The Inlet Guard is the one with the large inner hole to go over the motor. With the eyelets on the guard

pointing into the fan slip the eyelets over the shaft of the Eye Bolts and fasten using (4) Nuts [B].

See Figure 3.

Figure 3

Inlet Guard

Nut [B]

Shaft of Eye Bolt

2.2 Optional Guard Installation

Figure 4

Step 4

The Outlet Guard is the one with the small inner hole. With the eyelets on the guard pointing toward the fan,

align the eyelets with the holes in orifice on the outside of the fasten using (4) Bolts [A] and Nuts [B]. The

head of the bolt goes on the inside of the orifice and the nut goes on the outside.

See Figure 4.

Outlet Guard

Nut [B]

Bolt [A]

Nut [B]

Bolt [A]

8QM1108r1

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 5A. 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 5B.

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 5A

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)

KEY:

L1=Line 1

L2=Line 2

L3=Line 3

H=Hot

N=Neutral

G=Ground

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 5B

Three Phase - Motor Overload Protection with Disconnect

Safety cut-oﬀ

switch

Motor Starter

Circuit Breaker Switch

9 Munters Corporation, May 2021 QM1108r1

Three Phase Fans:

1) The use of a quality frequency drive and the installation of line reactors is recommended to

reduce voltage spikes and harmonic distortion.

2) Minimum operating frequency of 30 Hz.

3) Will require three pole contractors with overload protection (by others).

As the power cable exits the back of motor form a drip loop and then run power cable up along leg of

motor mount and "Zip" tie the cable to leg to prevent cable from getting tangled.

See Figure 6.

Then run

the cable out the back of fan to the circuit breaker or control panel.

Figure 6

3.1 Recommended Wire Routing:

Electrical WiringChapter 3

10 QM1108r1

Operation 4.

INITIAL START-UP: With electrical power off, verify that the fan propeller turns freely

and that all fasteners are secure. Turn on electrical power and confirm that the fan

operates smoothly.

ADJUSTMENTS: Set the fan control to the temperature shown on your ventilations system

drawing, or to a value which will provide the desired environmental conditions.

Single Phase Fans: When variable speed controls are used, the fan's idle speed will need

to be set to the recommended minimum airflow rate. Refer to the procedures included with

each control. The table below provides airflow rates at various propeller speeds for fans

wired for 240 VAC.

4.1 Operation

WARNING

Disconnect Power

Before Servicing

WARNING

Moving Parts, Disconnect

Power Before Servicing.

WARNING

Do Not Power Wash

Electrical Devices.

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