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Page 18 of 40

Bulletin

441G

Table 4. Axial Fan Housing Dimensions.

NOTE A:

On the F12 and AF12 fan, four slots are used in the angle ring for mounting

located at 12:00, 3:00, 6:00, and 9:00.

NOTE B:

On the F14 fan, four slots are used in the angle ring for mounting located

midway between the 12:00, 3:00, 6:00, and 9:00 locations.

NOTE C:

On the F18, AF18, F24, and F28 fans, eight slots are used in the angle ring for

mounting located at 45 degree increments with the first slot at the top of the

fan

housing.

NOTE D:

The fan is placed on level concrete slab. Anchoring to the fan pad is not

required.

Fan

Model

"L"

Fan

Length

"H" Fan

Diameter

"C" Bolt

Circle

Bolt

Size

"A" Base

Location

"B"

Spacing

"D" Base

Length

AF12,

F12

14"

14 7/8” 13 1/8”

1/4"

0”

6” 1 1/4”

F14

14"

17 1/4” 15 3/8”

1/4"

0”

6” 1 1/4”

AF18,

F18

18"

21 3/4” 19 3/4” 5/16"

3 5/8”

14 1/4”

8”

F24

24"

27 1/2” 25 7/8” 5/16"

9 1/2”

18 1/2”

8”

F28

24"

31 7/8”

30” 5/16"

4 3/4”

21 3/8”

10”

Figure 13. End and Side View of Axial Housing.

Содержание Caldwell AF12-751

Страница 1: ...S MANUAL INSTALLATION AND OPERATION INSTRUCTIONS FOR AXIAL FLOW FANS This manual is for installation operation and maintenance of all Caldwell axial fans with serial numbers 06A__________ and up WARNING Read this manual thoroughly before installing or operating fan Keep this manual in a location for quick access and reference ...

Страница 2: ...Page 2 of 40 Bulletin 441G ...

Страница 3: ...7 AXIAL DIMENSIONS 18 ELECTRICAL SERVICE 19 OPERATING INSTRUCTIONS 20 21 PRELIMINARY 20 STARTING FAN 21 MAINTENANCE 22 FAN OPERATION OFF SEASON 22 FAN CONTROL 22 FAN LUBRICATION 22 BLADE CLEANING 22 WIRING DIAGRAM 23 28 AF12 751 23 AF18 11 24 SINGLE PHASE 230 VOLT 25 THREE PHASE 230 VOLT 26 THREE PHASE 460 VOLT 27 THREE PHASE 575 VOLT 28 FAN SERVICE 29 33 GENERAL INFORMATION 29 CONVERTING DUAL VOL...

Страница 4: ...otor Connection for Single Phase 17 Figure 12 Correcting Fan Rotation Three Phase 17 Figure 13 End and Side View of Axial Fan 18 Figure 14 Toggle Switch 21 Figure 15 Push Button Switch 21 Figure 16 Wiring Schematic for AF12 751 23 Figure 17 Wiring Schematic for AF18 11 Fan 24 Figure 18 Wiring Schematic for 230 Volt Single Phase Axial Fan 25 Figure 19 Wiring Schematic for 230 Volt Three Phase Axial...

Страница 5: ...le 5 Electrical Service for Single Phase Operation 230 Volt 19 Table 6 Electrical Service for Three Phase Operation 230 460 Volt 19 Table 7 Electrical Service for Three Phase Operation 575 Volt 19 Table 8 Normal Time for Switchless Motor to Reach Full Speed for 230 Volt 20 Table 9 Housing Screen Guard Control Enclosure Replacement Parts 34 Table 10 Motor Blade Replacement Parts 35 Table 11 Contact...

Страница 6: ... read understand and follow all of the safety instructions in your operator s manual Also make sure that EVERYONE operating or near your fan understands and follows all of the safety instructions in the manual Remember a safety minded informed operator is the most important safety aspect of your fan Accidents can be avoided Do not risk injury or death be certain that every operator of your fan is ...

Страница 7: ...s a potentially hazardous situation which if not avoided may result in minor or moderate injury It may also be used to alert against unsafe practices Fan Information A The unit utilizes electricity as the source of energy When the power is installed properly and protective covers are in place the unit poses no direct hazard WHEN INSTALLING OR SERVICING THE ELECTRICAL COMPONENTS ALWAYS SHUT THE POW...

Страница 8: ...als that become unreadable or are missing If a part with an attached safety decal is replaced make sure the proper safety decal is attached in the proper location on the replacement part You may obtain new decals from your local dealer The following are representative of the safety decals on your Axial fans I Danger High Voltage II Warning Rotating Fan Blade Figure 2 Danger High Voltage Figure 3 W...

Страница 9: ...Page 9 of 40 Bulletin 441G Figure 4 Warning To Prevent Roof Damage III Warning Roof and Wall Damage of Structure Read and follow the safety instructions before starting your Axial fan ...

Страница 10: ...ice ask for the Customer Service Department Give the information requested below and explain your problem If adequate information relating to the problem is given the Customer Service Department should be able to pin point the problem and suggest an immediate remedy THE CHIEF AGRI INDUSTRIAL DIVISION SERVICE POLICY IS INCLUDED AT THE END OF THIS MANUAL 1 Fan Model Number __________________________...

Страница 11: ...art 736280 can be used with any fan that has 230Volt magnetic controls 2 Rainhoods are available to reduce the addition of rain water into the fan 3 Standard Drying Transitions are available for all fans used with full floors Refer to the fan location information on Page 12 when drying transitions are used 4 Electric Humidity Controllers are available for most fans The Humidity Controller will sup...

Страница 12: ...Fan Pad Distance from Bin Wall for use with Caldwell Drying Transition Table 2 Fan Pad Distance from Building Wall for use with Caldwell Wall Adaptor with Angle Flange Figure 6 Fan Mounting Pad Location for Drying Transition Figure 7 Fan Mounting Pad Location for Wall Adaptor with Angle Flange ...

Страница 13: ...50 18 8 4 4 2 F18 335 3 0 THREE 575V 3450 18 3 6 F24 51 5 0 SINGLE 230V 3450 24 28 F24 53 5 0 THREE 230 460V 3450 24 16 8 F24 535 5 0 THREE 575V 3450 24 6 4 F24 71 7 5 SINGLE 230V 3450 24 35 F24 73 7 5 THREE 230 460V 3450 24 22 4 11 2 F24 735 7 5 THREE 575V 3450 24 9 0 F24 101 10 0 SINGLE 230V 3450 24 38 F24 103 10 0 THREE 230 460V 3450 24 25 12 5 F24 1035 10 0 THREE 575V 3450 24 10 4 F28 121 12 5...

Страница 14: ...n when installed b MECHANICAL CHECK Rotate the fan blade to be sure it revolves freely and does not hit the housing If there is interference the motor will need to be shimmed per the instructions on page 29 Check all the fasteners on the fan to make sure they are tight If any are loose check for proper clearance and retighten c AIR FLOW DIRECTION INSTALLATION In most applications fans are installe...

Страница 15: ...olt and Three Phase 575 Volt respectively Use the appropriate table and size the following electrical service components 1 TRANSFORMER The transformer size for the fan only is indicated in a KVA rating Example For an F18 312 Fan Table 5 would be used The KVA rating for the 3 horsepower motor is 4 5 KVA This KVA rating is for the fan only Your electrician will need to add the KVA requirements for t...

Страница 16: ...When a 115 Volt accessory is to be used with the Axial Fan a 5 wire system should be provided for fans to be operated on three phase 230Volt power The five wires consist of three current carrying conductors a grounded neutral and a ground A 4 wire system should be provided for fans to be operated on 460 Volt or 575 Volt three phase power or when any 115 Volt accessory equipment will not be used Th...

Страница 17: ... as follows A SINGLE PHASE SYSTEM With the power LOCKED OUT AND TAGGED OUT at the fan disconnect the motor lead wires will need to be exchanged and then securely connected to the outlet terminal of the contactor T1 and T2 as illustrated in Figure 11 Note that this figure illustrates the proper connection of the motor lead wires for the counterclockwise rotation of the fan blade The location of lea...

Страница 18: ... slots are used in the angle ring for mounting located at 45 degree increments with the first slot at the top of the fan housing NOTE D The fan is placed on level concrete slab Anchoring to the fan pad is not required Fan Model L Fan Length H Fan Diameter C Bolt Circle Bolt Size A Base Location B Spacing D Base Length AF12 F12 14 14 7 8 13 1 8 1 4 0 6 1 1 4 F14 14 17 1 4 15 3 8 1 4 0 6 1 1 4 AF18 ...

Страница 19: ... 5 10 0 KVA 10 14 8 12 6 8 4 6 40 20 10 13 0 KVA 10 12 8 10 4 8 2 6 50 25 12 5 16 0 KVA 48 12 6 10 2 6 1 4 60 30 TABLE 7 Electrical Service for Three Phase Operation 575 Volt COPPER WIRE SIZE DISTANCE MOTOR TO DISCONNECT IN FT UP TO MOTOR H P TRANSFORMER SIZE NOTE B MINIMUM 0 50 100 200 300 CARTRIDGE TYPE FUSETRON OR EQUIVALENT TIME DELAY FUSE AMP 1 5 2 5 KVA 14 14 14 14 4 3 4 5 KVA 14 14 12 12 8 ...

Страница 20: ...enclosure cover is secured in place D WIRING Refer to the wiring diagram on Pages 23 through 28 and make sure the fan is wired correctly 2 STARTING THE FAN IMPORTANT INFORMATION The single phase axial fans listed in the chart below use a permanent split phase capacitor start motor The start switch and start capacitors have been eliminated for trouble free operation The permanent split phase capaci...

Страница 21: ...protector opening 2 575 VOLT FAN On 575 Volt units the fan is started by pushing in the switch button marked START When the fan begins to start the button should be released The fan will continue to operate until the STOP button is pushed in or until the internal motor thermal protection interrupts the power by opening the circuit With the motor thermal protection in the open position the fan cann...

Страница 22: ...ing cavity should still be lubricated The motor should be lubricated once a year prior to the operating season per the following instructions A AXIAL FAN 1 To lubricate a motor with filler and drain holes remove both plugs and clean the holes of any hardened lubricants Approximately three standard pumps of Shell Dolium R or Chevron SRI 2 lubricant should be added Allow the motor to run for approxi...

Страница 23: ...Page 23 of 40 Bulletin 441G Figure 16 Wiring Schematic for AF12 751 Fan ...

Страница 24: ...Page 24 of 40 Bulletin 441G Figure 17 Wiring Schematic for AF18 11 Fan ...

Страница 25: ...Page 25 of 40 Bulletin 441G Figure 18 Wiring Schematic for 230 Volt Single Phase Axial Fan ...

Страница 26: ...Page 26 of 40 Bulletin 441G Figure 19 Wiring Schematic for 230 Volt Three Phase Axial Fan ...

Страница 27: ...Page 27 of 40 Bulletin 441G Figure 20 Wiring Schematic for 460 Volt Three Phase Axial Fan ...

Страница 28: ...Page 28 of 40 Bulletin 441G Figure 21 Wiring Schematic for 575 Volt Three Phase Axial Fan START STOP SWITCH ...

Страница 29: ...the bolts in the tapered bushing to the blade by tightening the bolts gradually by continually working in a circle turning each fastener slightly Finally torque the bolts securing the tapered bushing for the F12 and F14 fan to 60 in lb the F18 1 fan to 80 in lb and the F18 3 F24 and F28 fans to 100 in lb 2 CONVERTING THREE PHASE DUAL VOLTAGE FANS A CONVERTING FROM A FAN WIRED FOR 230 VOLT TO A FAN...

Страница 30: ... for 460 Volt but because the electrical service available is 230 Volt the fan can be converted to 230 Volt as follows 1 MAKE SURE TO LOCK OUT AND TAG OUT THE POWER TO FAN SO NO POWER IS PRESENT WHEN REWIRING 2 Disconnect the motor leads attached to the contactor terminals T1 T2 and T3 Break each of the paired motor lead connections 4 and 7 5 and 8 and 6 and 9 so that each motor lead is separate R...

Страница 31: ...an on Page 20 for information on starting a single phase fan with a slow start switchless motor Refer to the appropriate diagram on Pages 23 through 28 for the electrical schematic of the controls A SYMPTOM Turn on toggle switch and nothing happens 1 Make sure the power is available to the fan unit 2 Check the overload protection to determine if the control circuit is open or closed If the thermos...

Страница 32: ...tacts do not close clean or replace contactor 3 If power is available at all the motor leads and the motor still hums then the motor should be taken to an authorized Service Center for repair or replacement a The power can be hooked directly to the motor leads for testing if the motor hums replace or repair the motor C SYMPTOM Fan operates when the toggle switch is held in the START position but s...

Страница 33: ...other items on the main circuit are not overloading the fan circuit 4 Check the amperage of the fan if the unit is pulling above nameplate amperage take the motor to an Authorized Service Center F SYMPTOM Fan operates when main power supply is turned on 1 The top two terminals of the toggle switch should be checked If the circuit is closed between the two terminals the toggle switch should be repl...

Страница 34: ...closure Replacement Parts FAN ENCLOSURE HOUSING SCREEN GUARD AF12 751 768002 112571 777490 AF18 11 768002 102509 777508 F12 112571 777490 F14 747303 747519 F18 700968 102509 777508 F24 700984 112580 777516 F28 700984 112600 777524 Figure 24 Axial Fan Parts Disassembled ...

Страница 35: ... F24 532 775007 741397 F24 534 775007 741397 F24 535 765958 741397 F24 712 775015 741405 F24 732 775023 741405 F24 734 775023 741405 F24 735 765917 741405 F24 1012 764282 741413 F24 1032 764761 741413 F24 1034 764761 741413 F24 1035 764894 741413 F28 1212 775056 741421 F28 1232 775064 741421 F28 1234 775064 741421 F28 1235 763128 741421 TABLE 11 Contactor or Holding Coil for Converting of 460Volt ...

Страница 36: ...4 25 164064 F18 335 710988 170018 25 164072 F24 512 700984 700810 710707 850313 40 164048 F24 532 850305 30 164048 F24 534 420984 25 164064 F24 535 710988 170018 25 164072 F24 712 710707 850347 50 164048 F24 732 850305 30 164048 F24 734 420894 25 164064 F24 735 710988 170018 25 164072 F24 1012 710707 850354 60 164048 F24 1032 850305 30 164048 F24 1034 420984 25 164064 F24 1035 710988 170018 25 164...

Страница 37: ...Y CLAIMS UNDER THIS STANDARD LIMITED WARRANTY SHALL BE HANDLED UNDER THE STANDARD SERVICE POLICY Caldwell will not be responsible for any charges incurred in repairing or servicing any Caldwell products except as such repairs are made at Caldwell or by Caldwell Field Service Personnel or as approved in writing from Caldwell Customer Service IN WARRANTY REPLACEMENT The Caldwell Standard Limited War...

Страница 38: ...Page 38 of 40 Bulletin 441G NOTES ...

Страница 39: ...Page 39 of 40 Bulletin 441G NOTES ...

Страница 40: ...Page 40 of 40 Bulletin 441G ...

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