Munters AT16FPT Manuale utente
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
© Munters Corporation, January 2020
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
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
© Munters Corporation, January 2020
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"
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.
© Munters Corporation, January 2020
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)
G
T1 (H)
T2 (N)
G
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
L1
L2
G
T1
T2
G
Three Phase
Power Out
to Fan Motor
L1
L2
T1
T2
L3 T3
L3 T3
Figure 3B
Three Phase - Motor Overload Protection with Disconnect
Safety cut-off
switch
Motor Starter
Circuit Breaker Switch
© Munters Corporation, January 2020
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
© Munters Corporation, January 2020
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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