Page 1
Aeration Fan Super-Flow Full Centrifugal Fan Installation, Operation, and Parts Manual This manual applies to: ATS-803XX, ATS-805XX, ATS-807XX, ATS-810XX, ATS-815XX, ATS-830XX Original Instructions INSTALLATION AND WIRING MUST BE IN ACCORDANCE WITH CEC, NEC, AND LOCAL ELECTRICAL CODES Read this manual before using product. Failure to Part Number: CNA-1815 R5 follow instructions and safety precautions can Revised: August 2017...
Page 2
We strongly recommend that all personnel associated with this equipment be trained in the correct operational and safety procedures required for this product. This product has been designed and constructed according to general engineering standards, other local regulations may apply and must be followed by the operator. Use the sign-off sheet below to record initial and periodic reviews of this manual with all such personnel.
Page 3
New Fan Features Change Description Control box change Control box size and construction altered from previous models. Thermal overload relay Thermal overload relay now added to control circuit, no need for field wiring of external unit. Control box vibration isolation Control box now isolated from fan vibration.
Page 4
AERATION FAN – SUPER-FLOW FULL CENTRIFUGAL FAN CNA-1815 R5...
AERATION FAN – SUPER-FLOW FULL CENTRIFUGAL FAN CONTENTS 1. Introduction ............................7 1.1. General Description........................7 1.2. Serial Number Location......................7 1.3. Intended Use ..........................8 2. Safety............................... 9 2.1. Safety Alert Symbol and Signal Words..................9 2.2. General Safety .......................... 9 2.3.
Page 6
AERATION FAN – SUPER-FLOW FULL CENTRIFUGAL FAN 7.2. Parts List ..........................33 7.2.1 Keho Super-Flow Full Centrifugal Fan — ATS-803XX..........33 7.2.2 Keho Super-Flow Full Centrifugal Fan — ATS-805XX..........34 7.2.3 Keho Super-Flow Full Centrifugal Fan — ATS-807XX..........35 7.2.4 Keho Super-Flow Full Centrifugal Fan — ATS-810XX..........36 7.2.5 Keho Super-Flow Full Centrifugal Fan —...
AERATION FAN – SUPER-FLOW FULL CENTRIFUGAL FAN 1. INTRODUCTION 1. Introduction Thank you for purchasing a Keho Aeration Fan. This equipment will allow safe and efficient operation when you read and follow all of the instructions contained in this manual. With proper care, your centrifugal fan will provide you with many years of trouble-free operation.
1. INTRODUCTION AERATION FAN – SUPER-FLOW FULL CENTRIFUGAL FAN 1.3. Intended Use The centrifugal fan is designed solely for use in the intended agricultural use as listed below. Use in any other way is considered as contrary to the intended use. Compliance with and strict adherence to the conditions of operation and maintenance as specified by the manufacturer, also constitute essential elements of the intended use.
AERATION FAN – SUPER-FLOW FULL CENTRIFUGAL FAN 2. SAFETY 2. Safety 2.1. Safety Alert Symbol and Signal Words This safety alert symbol indicates important safety messages in this manual. When you see this symbol, be alert to the possibility of injury or death, carefully read the message that follows, and inform others.
2. SAFETY AERATION FAN – SUPER-FLOW FULL CENTRIFUGAL FAN 2.3. Fan Safety • Keep away from fan impeller/blade; high suction can pull a person toward the inlet. Contact with an unguarded impeller/blade will cause severe injury. • Keep the inlet screen in place at all times. •...
AERATION FAN – SUPER-FLOW FULL CENTRIFUGAL FAN 2. SAFETY 2.6. Electric Motor Safety Power Source • Electric motors and controls shall be installed and serviced by a qualified electrician and must meet all local codes and standards. • Do not modify the magnetic starter. This component provides overload and under-voltage protection.
2. SAFETY AERATION FAN – SUPER-FLOW FULL CENTRIFUGAL FAN First-Aid Kit • Have a properly-stocked first-aid kit available for use should the need arise, and know how to use it. 2.9. Safety Decals • Keep safety decals clean and legible at all times. •...
Page 13
AERATION FAN – SUPER-FLOW FULL CENTRIFUGAL FAN 2. SAFETY Figure 1. Safety Decal Locations Note • Electrical schematics (PN 601-4093 / 601-4095 / 601-4096 / 601-4097) attached under the electrical enclosure lid will depend on the electric motor power source. •...
Page 14
If the operator manual, guards, or safety decals If the operator manual, guards, or safety decals are missing or damaged, contact AGI Nobleford are missing or damaged, contact AGI Nobleford at 1-800-565-2840 or www.aggrowth.com for at 1-800-565-2840 or www.aggrowth.com for...
Page 15
AERATION FAN – SUPER-FLOW FULL CENTRIFUGAL FAN 2. SAFETY Table 1 Safety Decals (continued) Part Number Description 601–1994 WARNING WARNING CUTTING HAZARD CUTTING HAZARD To prevent serious injury, keep away To prevent serious injury, keep away from from blade when fan is operating. blade when fan is operating.
Page 16
2. SAFETY AERATION FAN – SUPER-FLOW FULL CENTRIFUGAL FAN Table 1 Safety Decals (continued) Part Number Description 601–1995 WARNING WARNING WARNING ROLLOVER HAZARD ELECTROCUTION HAZARD ELECTROCUTION HAZARD To prevent serious injury or death: To prevent serious injury or death: To prevent serious injury or death: •...
Page 17
AERATION FAN – SUPER-FLOW FULL CENTRIFUGAL FAN 2. SAFETY Table 1 Safety Decals (continued) Part Number Description 601–4095 CONTROL BOX- 3PH 208-230V WIRING 3PH 208-230V 60HZ SUPPLY FROM FUSED CIRCUIT BREAKER BROWN/J GRAY/P1 SWITCH 3 POLE CIRCUIT 2 MOTOR MOTOR THERMOSTAT CIRCUIT 1 CONTACTOR...
Page 18
2. SAFETY AERATION FAN – SUPER-FLOW FULL CENTRIFUGAL FAN Table 1 Safety Decals (continued) Part Number Description 601–4097 CONTROL BOX- 3PH 460-575V WIRING 3PH 460-575V 60HZ SUPPLY FROM FUSED CIRCUIT BREAKER BROWN/J GRAY/P1 GREEN SIDE NO 3 POLE SWITCH MOTOR MOTOR CONTACTOR THERMOSTAT...
AERATION FAN – SUPER-FLOW FULL CENTRIFUGAL FAN 3. INSTALLATION 3. Installation Before continuing, ensure you have completely read and understood this manual’s Safety section, in addition to the safety information in the section(s) below. 3.1. Installation Safety • Do not take chances with safety. The components can be large, heavy, and hard to handle. Always use the proper tools, rated lifting equipment, and lifting points for the job.
3. INSTALLATION AERATION FAN – SUPER-FLOW FULL CENTRIFUGAL FAN 3.5. Installing with a Supplemental Heater Any type of supplemental heater intended for use with this fan must be installed downstream of this fan and may be added if extra conditioning or drying is required. Heating incoming air will damage the fan and its components and is not covered by the warranty.
AERATION FAN – SUPER-FLOW FULL CENTRIFUGAL FAN 3. INSTALLATION Figure 2. Slab Mounted Fan (Inline Fan) Figure 3. Slab Mounted Fan (Centrifugal Fan) 3.8. Mounting the Fan on a Hopper Bottom Bin To install the centrifugal fan on a hopper bottom bin: •...
Page 22
3. INSTALLATION AERATION FAN – SUPER-FLOW FULL CENTRIFUGAL FAN • Installing a time-delayed circuit breaker will allow for a higher tolerance to the motor start-up current (minimum requirement is 2.5 times the maximum running amperage on motor nameplate). Check with your local electrical code for more details.
AERATION FAN – SUPER-FLOW FULL CENTRIFUGAL FAN 3. INSTALLATION 3.10. Testing Inspect the installation prior to starting the fan for testing. 1. Check for any loose items or debris that could be drawn into the fan or dislodged by the fan discharge. Check the interior of the fan as well.
4. OPERATION AERATION FAN – SUPER-FLOW FULL CENTRIFUGAL FAN 4. Operation Before continuing, ensure you have completely read and understood this manual’s Safety section, in addition to the safety information in the section(s) below. 4.1. Operation Safety • Keep away from fan impeller/blade; high suction can pull a person toward the inlet. Contact with an unguarded impeller/blade will cause severe injury.
AERATION FAN – SUPER-FLOW FULL CENTRIFUGAL FAN 4. OPERATION Operating a fan without adequate roof venting or with partially or fully blocked vents can cause damage the bin roof. 4.4. Fan Rotation and Orientation The fan is designed to provide air flow in one direction. Operate with positive pressure with air entering through the bottom and exiting out the top, see Figure 4 on page The air flow direction is labeled on the fan’s housing.
4. OPERATION AERATION FAN – SUPER-FLOW FULL CENTRIFUGAL FAN 2. Three Phase Models: Press the red STOP button. 3. When shutting down the fan for extended periods of time, shut off the power at the disconnect/source to prevent any inadvertent start-up of the fan. 4.
AERATION FAN – SUPER-FLOW FULL CENTRIFUGAL FAN 5. MAINTENANCE 5. Maintenance Before continuing, ensure you have completely read and understood this manual’s Safety section, in addition to the safety information in the section(s) below. 5.1. Maintenance Safety • Keep components in good condition. Follow the maintenance procedures.
5. MAINTENANCE AERATION FAN – SUPER-FLOW FULL CENTRIFUGAL FAN 5.3. Visually Inspect the Centrifugal Fan Check the following during a visual inspection: 1. Ensure all guards are in place and in good working order. 2. Examine the centrifugal fan for damage or unusual wear. 3.
AERATION FAN – SUPER-FLOW FULL CENTRIFUGAL FAN 6. TROUBLESHOOTING 6. Troubleshooting Before continuing, ensure you have completely read and understood this manual’s Safety section, in addition to the safety information in the section(s) below. Shut down and lock out all power sources before diagnosing any of the causes or attempting any of the solutions below.
Page 30
6. TROUBLESHOOTING AERATION FAN – SUPER-FLOW FULL CENTRIFUGAL FAN Cause Problem Solution Fan makes ticking Fan impeller rubbing housing. Turn off power to fan; rotate impeller sound. slowly to see if impeller is rubbing the housing, if so, adjust motor positioning to obtain equal clearance all around the impeller.
AERATION FAN – SUPER-FLOW FULL CENTRIFUGAL FAN 7. APPENDIX 7. Appendix 7.1. Electrical Schematics CONTROL BOX- 1PH 208-230V WIRING 1PH 208-230V 60 HZ SUPPLY FROM FUSED CIRCUIT BREAKER BROWN/J GRAY/P1 SWITCH 2 POLE / 3 POLE CIRCUIT 2 MOTOR MOTOR THERMOSTAT CIRCUIT 1 CONTACTOR...
Page 32
7. APPENDIX AERATION FAN – SUPER-FLOW FULL CENTRIFUGAL FAN CONTROL BOX- 3PH 460-575V WIRING 3PH 460-575V 60HZ SUPPLY FROM FUSED CIRCUIT BREAKER BROWN/J GRAY/P1 GREEN SIDE NO 3 POLE SWITCH MOTOR MOTOR CONTACTOR THERMOSTAT RED SIDE NC BROWN/J THERMAL GRAY/P2 OVERLOAD ALL WIRES ARE 14GA TEW600V UNLESS...
AERATION FAN – SUPER-FLOW FULL CENTRIFUGAL FAN 7. APPENDIX 7.2. Parts List 7.2.1 Keho Super-Flow Full Centrifugal Fan — ATS-803XX Description Item Part Number 503-16059 Motor 3 HP TEFC 3450 rpm 230 V 1 PH 503-16060 Motor 3 HP TEFC 3450 rpm 230/460 V 3 PH 503-16064 Motor 3 HP TEFC 3450 rpm 575 V 3 PH CRA-56101...
7. APPENDIX AERATION FAN – SUPER-FLOW FULL CENTRIFUGAL FAN 7.2.2 Keho Super-Flow Full Centrifugal Fan — ATS-805XX Description Item Part Number 503-16105 Motor 5 HP TEFC 3450 rpm 230 V 1 PH 503-16106 Motor 5 HP TEFC 3450 rpm 230/460 V 3 PH 503-16109 Motor 5 HP TEFC 3450 rpm 575 V 3 PH CRA-56101...
AERATION FAN – SUPER-FLOW FULL CENTRIFUGAL FAN 7. APPENDIX 7.2.3 Keho Super-Flow Full Centrifugal Fan — ATS-807XX Description Item Part Number 503-16755 Motor 7.5 HP TEFC 3450 rpm 230 V 1 PH 503-16756 Motor 7.5 HP TEFC 3450 rpm 230/460 V 3 PH 503-16757 Motor 7.5 HP TEFC 3450 rpm 575 V 3 PH CRC-56800...
7. APPENDIX AERATION FAN – SUPER-FLOW FULL CENTRIFUGAL FAN 7.2.4 Keho Super-Flow Full Centrifugal Fan — ATS-810XX Description Item Part Number 503-16914 Motor 10 HP TEFC 3450 rpm 230 V 1 PH 503-16906 Motor 10 HP TEFC 3450 rpm 230/460 V 3 PH 503-16913 Motor 10 HP TEFC 3450 rpm 575 V 3 PH CRD-56950...
AERATION FAN – SUPER-FLOW FULL CENTRIFUGAL FAN 7. APPENDIX 7.2.5 Keho Super-Flow Full Centrifugal Fan — ATS-815XX Description Item Part Number 503-16056 Motor 15 HP TEFC 3450 rpm 230/460 V 3 PH 503-16057 Motor 15 HP TEFC 3450 rpm 575 V 3 PH CRD-56950 Motor Stand 10/15 HP 541-16935...
7. APPENDIX AERATION FAN – SUPER-FLOW FULL CENTRIFUGAL FAN 7.2.6 Keho Super-Flow Full Centrifugal Fan — ATS-830XX Description Item Part Number 503-37005 Motor 30 HP TEFC 3450 rpm 230/460 V 3 PH 503-37006 Motor 30 HP TEFC 3450 rpm 575 V 3 PH CRG-57040 Motor Stand/Frame CXG-57050...
AERATION FAN – SUPER-FLOW FULL CENTRIFUGAL FAN 7. APPENDIX 7.3. Grain Drying and Aeration Tips • WHAT IS THE DIFFERENCE BETWEEN AERATION, NATURAL AIR DRYING, AND GRAIN DRYING WITH A SUPPLEMENTAL HEATER? Aeration is used to control and provide uniform temperature for a grain mass. Natural air drying is generally used for farm bins and is a method of drying grain without using supplemental heat and is recommended at 1 cfm (13.4 L/s) per bushel of grain.
Page 40
7. APPENDIX AERATION FAN – SUPER-FLOW FULL CENTRIFUGAL FAN • SHOULD I SHUT MY FAN OFF AT NIGHT OR WHEN IT RAINS? NO! High moisture grain drying (16% - 20%) requires continuous air flow to prevent the drying front from crusting over and restricting airflow. •...
Page 41
AERATION FAN – SUPER-FLOW FULL CENTRIFUGAL FAN 7. APPENDIX • WHEN NATURAL AIR DRYING OR WHEN USING SUPPLEMENTAL HEAT, WHEN SHOULD I SHUT MY FAN OFF? When bin samples show the grain is dry, turn off the fan. • WHEN NATURAL AIR DRYING, WHAT CAN I DO WHEN THE AIR TEMPERATURE DOES NOT REACH 50°F (10° C)? There are a couple of options available at this point: 1.
Page 42
7. APPENDIX AERATION FAN – SUPER-FLOW FULL CENTRIFUGAL FAN Figure 5. Grain Drying Charts CNA-1815 R5...
8. WARRANTY 8. Warranty Except as expressly provided in this agreement, AGI Nobleford (hereinafter called the Manufacturer) excludes all express or implied warranties, conditions, and obligations of the Manufacturer, whether statutory or otherwise, concerning the quality of the units or their fitness for any purpose.
Need help?
Do you have a question about the KEHO ATS-803 Series and is the answer not in the manual?
Questions and answers