Baldor MN427 Manual Download Page 2

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RPM AC Cooling Tower

Inverter Duty PM Motors

(FL250, FL280, FL440 and FL580)

(Specifically designed for operation with

VS1CTD Adjustable Speed Cooling Tower Controls)

Installation & Operating Manual

2/12

MN427

Summary of Contents for MN427

Page 1: ...Not Proceed Please contact your Baldor District office for more information or clarification Before you install operate or perform maintenance become familiar with the following if applicable to your...

Page 2: ...s FL250 FL280 FL440 and FL580 Specifically designed for operation with VS1CTD Adjustable Speed Cooling Tower Controls Installation Operating Manual 2 12 MN427 This Manual http www manuallib com baldor...

Page 3: ...are the property of their respective owners Important Be sure to check www baldor com for the latest version of this manual in Adobe Acrobat PDF format This Manual http www manuallib com baldor mn427...

Page 4: ...Grounding 2 4 Condensation Drain 2 4 Fan Mounting 2 4 Bearing Axial Thrust Limits 2 5 Optional Accessories 2 5 First Time Start Up and Operation 2 6 Air Flow Cooling 2 6 Maximum Safe Speed 2 6 Balanc...

Page 5: ...Section 1 General Information ii Table of Contents MN427 This Manual http www manuallib com baldor mn427 inverter duty pm motors manual html...

Page 6: ...shock can cause serious or fatal injury Only qualified personnel should attempt the installation operation and maintenance of this equipment WARNING Disconnect all electrical power from the motor win...

Page 7: ...to a hazardous and or explosive atmosphere WARNING Guards must be installed for rotating parts such as couplings pulleys external fans and unused shaft extensions should be permanently guarded to pre...

Page 8: ...ure leading to the motor winding failure A wooden crate shell should be constructed to secure the motor during storage This is similar to an export box but the sides top must be secured to the wooden...

Page 9: ...storage drain plugs removed The motors must be stored so that the drain is at the lowest point All breathers and automatic T drains must be operable to allow breathing and draining at points other th...

Page 10: ...the eye bolt or lifting lug Excessive lifting angles can cause damage After storage or after unpacking and inspection to see that all parts are in good condition do the following 1 Rotate the motor sh...

Page 11: ...t causes permanent deformation of the motor feet 8 Secure the motor to the cooling tower structure with flange mounting bolts not provided 9 Tighten the flange mounting bolts to the proper torque spec...

Page 12: ...ering hazardous voltages and that the voltage at the motor leads is zero before proceeding Failure to observe this precaution may result in severe bodily injury or death Caution Use only a shielded mo...

Page 13: ...e drive ground In addition if the motor and coupled equipment are not on a single common metal base plate it is important to equalize the equipment ground potentials by bonding the motor frame to the...

Page 14: ...ive has a trickle current heating feature For extreme applications that require space heaters one heater is installed in each end of motor Leads for each heater are labeled H1 H2 Like numbers should b...

Page 15: ...Any undue noise overheating or erratic performance should be investigated and corrective action taken immediately to prevent serious damage All RPM AC motors are lubricated before shipment and will op...

Page 16: ...General Inspection Inspect the motor at regular intervals approximately every 500 hours of operation or every 3 months whichever occurs first Keep the motor clean and the ventilation openings clear T...

Page 17: ...16 0 5 14 17 500 FL280 SHC460 1 5 24 1 25 35 17 500 FL440 SHC460 5 48 2 5 70 17 500 FL5800 12 197 6 0 170 8 750 Klubersynth BH72 422 The relubrication interval is given in Table 3 1 or sooner unless o...

Page 18: ...test and repair as required Improper connections Inspect all electrical connections for proper termination clearance mechanical strength and electrical continuity Refer to motor lead connection diagra...

Page 19: ...uced so that an abnormal machine load will be identified The temperature limits are based on the installation of the winding RTDs imbedded in the winding as specified by NEMA Bearing RTDs should be in...

Page 20: ...Baldor District Offices This Manual http www manuallib com baldor mn427 inverter duty pm motors manual html...

Page 21: ...N427 All rights reserved Printed in USA 2 12 World Headquarters P O Box 2400 Fort Smith AR 72901 2400 479 646 4711 Fax 479 648 5792 www baldor com This Manual http www manuallib com baldor mn427 inver...