Cincinnati Fan AC User Manual

Axial fan

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CINCINNATI FAN
u s e r m a n u a l
Arrangement 4 axial fan
Models PMC - CIM - AC
I N STA L L AT I O N - O P E R AT I O N - M A I N T E N A N C E
CF-20-IOM-24
ISSUED 5/2024
READ AND UNDERSTAND THIS MANUAL PRIOR TO OPERATING OR SERVICING THIS PRODUCT
PMC Axial Fan
Serial Number

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Summary of Contents for Cincinnati Fan AC

  • Page 1 CINCINNATI FAN u s e r m a n u a l Arrangement 4 axial fan Models PMC - CIM - AC I N STA L L AT I O N - O P E R AT I O N - M A I N T E N A N C E...
  • Page 2 Note: The serial number above is a required reference for ant assistance. It is stamped on the lower nameplate. Fan Specifications Model Wheel Size and Type Motor Data: (This section is completed only if the motor was supplied by Cincinnati Fan) Voltage Phase Frame Size...
  • Page 3: Table Of Contents

    contents This manual contains vital information for the proper installation and Note operation of your blower fan. Carefully read the manual before installa- tion or operation of the blower fan and follow all instructions. Save this manual for future reference. General ................................
  • Page 4: General

    general Receiving Unpacking Be careful not to damage or deform any parts of the fan when removing it from the packaging container. All the packaging material should be kept in the event the fan needs to be returned. Handling Handling of the fan should be performed by trained personnel and be consis- tent with all safe handling practices.
  • Page 5 general All personnel coolers and air circulators are shipped with inlet and outlet Caution guards that meet OSHA standards. Never operate a personnel cooler or air circulator without the inlet and outlet guards in place. If these guards become defective or are removed, the power to the motor should be turned off and locked out until the guards have been replaced and inspected by the proper safety personnel.
  • Page 6: Installation

    installation Installation Vibration Before any mounting method is selected, the user should be aware of the effects vibration will have on the fan, motor and other parts. Improper fan installation can cause excessive vibration causing premature prop and/or motor bearing failure, that is not covered under warranty.
  • Page 7 installation CIM Model Personnel Cooler This model is designed to sit on the floor. It should be sitting on a flat, level surface. Any slopped surface could cause the fan to move. Any surface that is not flat could cause excessive vibration which could lead to mechanical failure of the propeller or motor bearings.
  • Page 8: Set Screw And Taper-Lock Bushing Torque

    installation Set Screw and Taper-Lock Bushing Torque Values All propeller set screws are tightened to the proper torque prior to shipment. Some propellers may have taper-lock hubs and split, taper-lock bushings to secure the propeller to the motor shaft. Check all set screw or taper-lock bushing torques. Forces encountered Note during shipment, handling, rigging and temperature can affect factory settings.
  • Page 9: Electrical

    A General Purpose, NEMA 1, fused, manual starter is available as an option from Cincinnati Fan. It is mounted to the fan and wired from the motor to the starter only. Due to varying code restrictions and operational locations, Cincinnati Fan will not pre-wire any Explosion Proof (EXP) motors.
  • Page 10 104°F (40°C), a completely different type of motor should be used. Consult our local Cincinnati Fan sales office for your area for proper fan/motor selection assistance. On any models, in sizes 12" and 15" with an EXP motor, the motor con- duit box will not fit on the motor inside the fan drum.
  • Page 11 installation Motors with Thermal Overload Protection: If a motor is equipped with thermal overloads, the thermal overload must be wired per the wiring schematic to be operable. There are three types of thermal overloads: Automatic: These will automatically shut the motor down if the internal temperature exceeds the design limits.
  • Page 12: Maximum Fan Speed

    If you have lost the data sheet, contact Cincinnati Fan or the sales office for your area. You must have the serial number from the fan name plate for us to determine the maximum safe fan speed.
  • Page 13: Initial Unit Startup

    operation Pre-Startup and Post-Startup Check (Check blocks as each step is completed. Retain for you records) Failure to complete and document all the following Pre-Startup checks, Note Post-Startup checks and Vibration checks, could void all warranties. Pre-Startup Check completed by: Date Eight Hour Post-Startup Check completed by: Date...
  • Page 14: Vibration

    operation Pre-Startup Check completed by: Date Eight Hour Post-Startup Check completed by: Date Three-Day Post-Startup Check completed by: Date Apply power to the motor and let it come up to full speed. Then, turn off the power. Look and listen for n n n n n n any unusual noise or mechanical abnormality while the propeller is still spinning.
  • Page 15: Routine Inspection And Maintenance

    If the operating conditions of the fan are to be changed (speed, pressure, temperature, etc.) consult Cincinnati Fan or our sales office in your territory to determine if the unit will operate safely at the new conditions.
  • Page 16: Propeller Balance

    maintenance must be rebalanced or replaced. The other airstream components should also be inspected for wear or structural damage and cleaned or replaced if neces- sary. After cleaning any propeller, it should be balanced. There are two ways to balance a propeller: Add balancing weights for fabricated aluminum, steel or stainless steel propellers: Balance weights should be rigidly attached to the propeller at a location...
  • Page 17: Ordering Replacement Parts

    Replacement Parts Under normal conditions, you should not need any spare or replacement parts for at least 24 months after shipment from Cincinnati Fan. That does not include any wear due to abrasion, corrosion, excessive temperatures, abuse, misuse, accident or any severe conditions the fan was not designed for.
  • Page 18: Troubleshooting

    maintenance Troubleshooting Potential problems and causes listed below are in no order of importance or priority. The causes are only a list of the most common items to check to correct a problem. If you find the cause of a problem, do not assume it is the only cause of that problem.
  • Page 19: Long Term Storage

    maintenance Long Term Storage Storage exceeding 30 days after receipt of equipment. Failure to adhere to these instructions voids all warranties in their entirety. Note • Storage site selection: - Level, well-drained, firm surface, in clean, dry and warm location. Mini- mum temperature of 50°F (10°C).
  • Page 20 maintenance - Do not lubricate the motor bearings during storage. Motor bearings are packed with grease at the factory. Excessive grease can damage the insulation quality in the motor. - If the storage location is damp or humid, the motor windings must be protected from moisture.
  • Page 21: Warranty, Limits Of Liability, Responsibility And Returns

    Limited Warranty Cincinnati Fan and Ventilator Company (Seller) warrants products of its own manufacture, against defects of material and workman-ship under normal use and service for a period of eighteen (18) months from date of shipment or twelve (12) months from date of installation, whichever occurs first. This warranty does not apply to any of Seller’s products or any part thereof which has been...
  • Page 22 Purchaser’s and/or User’s compliance with any Federal, State and local regulations. Returns Cincinnati Fan & Ventilator Company assumes no responsibility for any mate- rial returned to our plant without our permission. An RMA (Return Material Authorization) number must be obtained and clearly shown on the outside of the carton or crate and on a packing slip.
  • Page 23: Parts Drawing

    Or, you can print a current version by going to our website at: cincinnatifan.com. Parts Drawing Cincinnati Fan manufactures many models and arrangements with special variations. For that reason, the maintenance manuals contained on our website do not include a parts drawing nor the completed blower or fan specifications on page 2.
  • Page 24 Axial Fan U S E R M A N UA L SPX ENGINEERED AIR MOVEMENT CF-20-IOM-24 ISSUED 5/2024 ©2024 SPX ENGINEERED AIR MOVEMENT ALL RIGHTS RESERVED 7697 SNIDER ROAD In the interest of technological progress, all products are subject to design T E C H N O L O G I E S MASON, OH 45040 USA and/or material change without notice.

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