Munters AT16FPT Manuel utilisateur

1© Munters Corporation, January 2020 QM1041r5

Instruction Manual

Fiberglass Pit Transition Fan

Models: AT16FPT • AT16FPT-12 • AT18FPT • AT18FPT-12 •

AT24FPT • AT24FPT-12 • AT24F3PT

Fiberglass Pit

Transition Fan

ATxxFPT

ATxxFPT-12

2QM1041r5

Fiberglass Pit Transition Fan

Instructions for Use and Maintenance

Thank You:

Thank you for purchasing a Munters Fiberglass Pit Transition 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, January 2020 QM1041r5

Index

Chapters Page

1. Unpacking the Equipment 4

1.1 Parts List 4

1.2 FPTR Dimensions 4

2. Installation Instructions 5

3. Electrical Wiring 7

4. Operation 9

5. Maintenance 10

6. Troubleshooting 11

7. Exploded View and Parts List 12-13

4QM1041r5

1.1 Parts List

Unpacking the Equipment 1.

1.2 Dimensions

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.

36¹⁄₂"

33"

Each Pit Transition ATxxFPT includes:

1 – Fiberglass Pit Transition Fan Assembly

1 – Hardware Package As Follows:

HP1201 – Hardware Package for ATxxFPT Pit Transition Fan

ID Qty. Cat. No. Description

[A] 8 KS2105 #14 x 1.5” Lag Screw, SS

[A]

34¹⁄₂"

Note:

When wiring the fan, allow extra cord

for fan removal and maintenance.

ATxxFPT ATxxFPT-12

32¹⁄₂"

38³⁄₄"

36¹⁄₂" 34¹⁄₂"

38³⁄₄"

5© Munters Corporation, January 2020 QM1041r5

Installation Instructions 2.

2.1 Installation

Step 1

Construct a framed opening of 24" x 32" in the pump-out lid, horizontal opening or opening in 12° slopped

top. See

Figure 1A.

If pump-out lid is concrete, it is recommended to frame a double treated 2 x 4 sill

around the 24" x 32" opening, with an extra frame piece across the front of the opening.

See Figure 1B and 1C.

32"

Concrete Pump-Out or

Horizontal Opening

Figure 1A

2 x 4 Treated

Framing

24"

32"

ATxxFPT-12

Figure 1C

Figure 1B

32"

24"

8" 24" - Opening

for airﬂow

ATxxFPT

Figure 1C

Building Wall

Frame out additional 8" for mounting

purposes only. Seal area air-tight.

Concrete Pump-Out or

Horizontal Opening

2 x 4 Treated

Framing

32"

8" 24" - Opening

for airﬂow

Building Wall

Frame out additional 8" for mounting

purposes only. Seal area air-tight.

6QM1041r5

24"

Concrete Pump-Out 2 x 4 Treated

Framing

24"

Step 2

Apply caulk around base of pit transition flange and secure to framing using (8) Lag Screws [A].. See

Figure 2.

Step 2

Installation is now complete. Proceed to next chapter for electrical wiring.

2 x 4 Treated

Framing

Lag Screw [A]

Installation InstructionsChapter 2

ATxxFPT-12

Figure 2

ATxxFPT

Figure 2

Lag Screw [A]

ATxxFPT Fan Assembly

Concrete Pump-Out

ATxxFPT-12 Fan Assembly

Building Wall

7© Munters Corporation, January 2020 QM1041r5

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 3A. 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 3B.

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 3A

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 3B

Three Phase - Motor Overload Protection with Disconnect

Safety cut-off

switch

Motor Starter

Circuit Breaker Switch

8QM1041r5

Electrical WiringChapter 3

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 down along leg

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

See Figure 4.

Then

run the cable out the side of FPT housing to the circuit breaker or control panel. The hole where the

power cable exits the FPT, should be sealed tightly, either with caulk or a water tight fitting.

(Continued on next page).

Figure 4

3.1 Recommended Wire Routing:

9© Munters Corporation, January 2020 QM1041r5

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.

WARNING

Disconnect Power

before servicing

WARNING

Moving parts, disconnect

power before servicing.

4.1 Operation

0.05” Static Pressure

CFM RPM VOLTS CFM RPM VOLTS CFM RPM VOLTS

16" Fans

150 740 108

18" Fans

300 650 134

24" Fans

850 500 144

200 775 110 500 700 137 1000 520 146

300 845 114 800 770 140 1250 550 149

400 915 118 1000 815 143 1500 575 152

500 975 123 1250 875 146 1750 605 154

600 1000 125 1500 930 149 2000 635 157

800 1070 131 1750 990 152 2250 670 160

1000 1115 135 2000 1050 155 2500 700 163

1250 1165 140 2500 1190 162 2750 735 166

1500 1215 144 3000 1380 173 3000 770 170

1750 1275 149 3500 1590 196 3500 845 178

2000 1360 159 3750 1670 230 4000 935 190

2500 1550 200 4500 1040 221

2700 1625 230 4600 1060 230

10 QM1041r5

Maintenance 5.

5.1 Maintenance

The following inspection and cleaning procedures should be performed monthly:

1) INSPECT PROPELLER: Check that propeller is secure on motor shaft and that

there are no signs of damage. The blades are of a self-cleaning design and should

not require maintenance.

2) CLEAN regularly for best results:

• FAN MOTOR: Remove any dust accumulation from motor using a brush or

cloth. (DO NOT use a pressure washer). A clean motor will run cooler and last

longer. At the same time, verify that the motor is secure in its mount.

• SHUTTER: Clean any dust accumulations from shutter blades and frame so that

shutter opens and closes freely. A brush or cloth should be used.

3) CHECK FASTENERS: For safety, all fasteners should be inspected 1 month after

initial operation and yearly thereafter. Tighten any loose connections.

4) INSPECT FAN CONTROL: With power disconnected, inspect all electrical

connections. Wiring should be secure and in good condition. Remove any dust

build-up from control case and sensor using a soft brush or cloth. NEVER CLEAN

ELECTRICAL EQUIPMENT WITH A PRESSURE WASHER!

WARNING

Disconnect Power

Before Servicing

WARNING

Moving Parts, Disconnect

Power Before Servicing.

WARNING

Do Not Power Wash

Electrical Devices.

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