Single Phase Motor O & M Manual 032106
Contents
1. SUS RONG ELECTRIC INC SINGLE PHASE MOTORS INSTALLATION AND MAINTENANCE MANUAL March 21 2006 Irvine California 800 474 0520 Indianapolis Indiana 800 866 7973 Hamilton Ontario 800 809 0330 e mail sales sterlingelectric com www sterlingelectric com Ce 23 TS 16752 Armstrong Avenue Irvine CA 92606 800 474 0520 FAX 949 474 0543 SiS eel eels 7973 Allison Avenue Indianapolis IN 46268 800 866 7973 FAX 800 474 0543 799 Rennie St Hamilton Ontario LBH7L4 800 809 0330 FAX 905 547 2381 ELECTRIC INC Website www sterlingelectric com email sales sterlingelectric com INSTRUCTION MANUAL CAPACITOR START SINGLE PHASE MOTORS DANGER ONLY QUALIFIED ELECTRICAL PERSONNEL FAMILIAR WITH THE CONSTRUCTION AND OPERATION OF THE EQUIPMENT AND THE HAZARDS INVOLVED SHOULD INSTALL ADJUST OPERATE AND OR SERVICE THIS EQUIPMENT READ AND UNDERSTAND THIS MANUAL IN ITS ENTIRETY BEFORE PROCEEDING FAILURE TO OBSERVE THIS CAUTION RESULT IN SEVERE BODILY INJURY OR LOSS OF LIFE Read ALL instructions prior to operating motor Buyer shall be solely responsible for determining the adequacy of the product for any and all uses to which buyer shall apply the product The application by buyer shall not be subject to any implied warranty of fitness for a particular purpose Information contained in this manual is considered correct at the time of publication and is subject to change2. ate motor from base bearings shaft or bracket bracket as needed failure above shaft or housing 5 a b c d e above b Entry of water or foreign b Same as 6 a b Replace bearings and shield material into bearing above against entry of foreign housing material water dust etc Use proper motor TYPICAL BURNOUT PATTERNS SYMPTOM CAUSED BY APPEARANCE 1 Shorted coil a Moisture chemicals foreign material in motor damage of winding good winding b Black or burned coil with remainder of winding good Burned contacts on stationary switch 2 100 Burnout a Burned equally all around winding 3 Other a Improper connection a Irregular burned groups or spot burns b Badly damaged burn spot WARRANTY LIMITED The warranty will cover all of the parts in the motor for 24 months from the date of shipment The warranty is only for parts and labor In no event shall our liability exceed the original price of the unit nor does it cover cost of on site repair installation or freight Contact the service department for a complete explanation as to the full warranty policies and conditions of sale All dimensions designs and specifications are subject to change without notice The information in this user s manual is subject to change without notice
3. f the product This instruction manual should be read together with all other printed information such as catalogs supplied by Sterling Electric TROUBLESHOOTING TROUBLE SHOOTER S GUIDE BASED ON SYMPTOMS REMEDY not start diagram on motor power supply connection condition condition e Rotating parts of motor e Burnout e Check and correct may be jammed 1 Bent shaft mechanically 2 Broken housing 3 Damaged bearing 4 Jammed or broken fan 5 Foreign material in motor jammed work back to power supply 2 Motor starts but a Same as 1 a b c above does not come up to speed b Overload b Burnout b Reduce load to bring current to rated limit Use proper fuses and overload protection 3 Motor noisy a Same as 1 a b c above electricall SYMPTOMS CAUSE RESULT REMEDY 4 Motor runs hot a Same as 1 a b c above Exceeds rating b Overload b Reduce load c Impaired ventilation c Remove obstruction d Frequent start or stop d Burnout d 1 Reduce number of starts or reversals 2 Secure proper motor for this dut frequency of power supply supply 5 Motor noisy a Misalignment of coupling a Bearing failure broken a Correct misalignment mechanically or sprocket shaft burnout due to ore rotor drag rotating parts rebalance lubricant replace parts as necessary lubricant bearing Replace damaged parts damaged parts g Mounting acts as amplifier g Annoying g Isol
4. g sizes for 56C and 140T motors Frame Standard Duty Washdown Duty Size DE ODE DE ODE 56C 140TC 6205ZZ 6204ZZ 6205LL 6204LL RENEWAL PARTS Use only genuine Sterling replacement parts When ordering include model number serial number item number and description from parts list and quantity required Parts List fed ek a patient etn A aaa 1 4 BearingCap 1 5 DEBalBearng 1 6 Capacitor Cover__ 1 16 Lead Seal eae 7 8 Stationary Switch 1 f 18 DEBracket_ 1 9 ODEBracket 1 19 Slinger 1 10 FanCover Jif o O i TEFC Models Only IMPORTANT INFORMATION In the event of the resale of any of the goods in whatever form Resellers Buyers will include the following language in a conspicuous place and in a conspicuous manner in a written agreement covering such sale The manufacturer makes no warranty or representations expressed or implied by operation of law or otherwise as to the merchantability or fitness fora particular purpose of the good sold hereunder Buyer acknowledges that it alone has determined that the goods purchased hereunder will suitably meet the requirements of their intended use In no event will manufacturer be liable for consequential incidental or other damages Resellers Buyers agree to also include this entire document including the warnings above ina conspicuous place and in a conspicuous manner in writing to instruct users on the safe usage o
5. n stored in a damp location In drying DO NOT exceed 194 degrees F 90 degrees C Disconnect load and start motor Check direction of rotation Consult connection diagram on motor nameplate to change direction of rotation on bi directional motors Connect motor to load The motor should start up quickly and run smoothly If not shut power off at once Recheck the assembly including all connections before restarting Operate under load for at least one hour Observe whether any unusual noise or heating has developed and check operating current against nameplate data If excessive vibration is noted check for loose mounting bots too flexible motor support structure or transmitted vibration from adjacent machinery Recheck the coupling alignment between the motor and the driven equipment Sterling Electric single phase capacitor start motors utilize a mechanical centrifugal switching mechanism to engage and disengage the start winding This switching mechanism may be heard engaging when the motor is shut off and the shaft is spinning down This is considered normal operation MAINTENANCE INSPECTION Inspect motor at regular intervals Keep motor clean and ventilating Openings clear of any obstructions LUBRICATION Pre lubricated double sealed bearings and shielded bearings are lubricated for life and do not need to be re lubricated The bearings may be changed if necessary Bearing sizes are noted on the nameplate See table for standard bearin
6. urely on a firm flat base All ball bearing motors horizontal or vertical normal thrust grease lubricated may be mounted in any position Align motor accurately using a flexible coupling if possible For drive recommendations consult with drive or equipment manufacturer or Sterling Electric V Belt Sheave Pitch Diameters should not be less than the NEMA recommended values Refer to NEMA MG1 14 41 Tighten belts only enough to prevent belt slippage Belt soeed should not exceed 5000 feet per minute POWER SUPPLY AND CONNECTIONS Nameplate voltage and frequency should agree with power supply Motor will operate satisfactorily on line voltage within 10 of nameplate value or frequency within 5 combined variation not to exceed 10 230 volt motors can be used on 208 volt network systems but with slightly modified performance characteristics Dual voltage motors can be connected for the desired voltage by following the connection diagram on the nameplate Wiring of motor and motor control overload protection and grounding should be in accordance with the National Electric Code and or local building codes Consult wiring diagrams below Motors with 6 leads do not contain auto reset thermal protection Motors with 7 leads contain auto reset thermal protection 6 LEAD 1 PHASE 7 LEAD 1 PHASE FOR REVERSE ROTATION INTERCHANGE 15 AND 18 FOR REVERSE ROTATION INTERCHANGE T5 AND 18 START UP Dry the motor windings if motor has bee
7. without notice WARNING CAUTION CAUTION SAFETY ALERT Make certain that the power supply is disconnected before attempting to service or remove any components Lock out the power supply and tag it to prevent unexpected application of power The system of connected rotating parts must be free from critical speed torsional or other type vibration no matter how induced The responsibility for this system analysis lies with the purchaser Test run unit to verify operation If the unit tested is a prototype that unit must be of current production RECEIVING 1 Check nameplate data 2 Check whether any damage has occurred during transportation If there is evidence of rough handling or potential damage in shipment file a claim immediately with the carrier Notify your Sterling Electric sales representative 3 Turn motor shaft by hand to check that it turns freely LOCATION 1 Totally enclosed motors may be installed where dirt moisture and corrosion are present or in outdoor locations Specially designed washdown duty motors can be used in sanitary environments were exposure to high pressure wash down procedures are present WARNING Installation instructions regarding the use of washdown duty motors and the location and installation of condensation drain plugs as supplied with the motor must be followed or the warranty will be void Consult factory for further information NOTE MOUNTING Mount motor sec
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