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ELECTRICAL INSTALLATION, WIRING AND TROUBLESHOOTING

Nederman Customer Service & Technical Support [email protected]

+1 (336) 821-0800

5

Section 2.0 – Circuit Sizing

Product Owner/End-user shall provide branch circuit protection. Refer to the Motor Circuit Sizing Tables on
previous pages for max breaker and fuse sizes.

*Note: F1 represents fuses. An Inverse Time Breaker would replace the fuses (F1) in the below example.

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Summary of Contents for S-Series

Page 1: ...y Filters Bag Filter Dust Collector S SERIES ELECTRICAL Installation Wiring and Troubleshooting No portion of this manual may be reproduced without the written approval of Nederman Original Installation and Service Manual 2022 06 03 Rev 3 1 ...

Page 2: ...stomer Service Technical Support techsupport us nedermen com 1 336 821 0800 2 TABLE OFCONTENTS Section 1 0 Preface 3 Section 2 0 Circuit Sizing 3 4 Section 3 0 Motor Connections 6 Section 4 0 Trouble Shooting 7 8 Section 5 0 Inrush Current 9 Wiring Diagrams 10 11 ...

Page 3: ... conductors and circuit breaker size The data in this table is based on the 2020 NEC and is to be used as recommendations only Final discretion is the responsibility of the Licensed Electrician local codes regulations and the AHJ Dueto the inrushcurrent the fusing breaker must be sizedlarger to protect the wiring in the event of a short circuit The motor overhead not the breaker provides the motor...

Page 4: ... practice 6 Recommended setting for overload on Nederman Push Button Starters based on motor nameplate multiplied by service factor 7 Wire nuts or soldering are NOT acceptable means to connect motor leads per NFPA 79 13 5 9 Use appropriate components to make motor connections such as split bolts crimp connections and eye bolts 8 It is the responsibility of the end user to follow State and Local Co...

Page 5: ...us nedermen com 1 336 821 0800 5 Section 2 0 Circuit Sizing Product Owner End user shall provide branch circuit protection Refer to the Motor Circuit Sizing Tables on previous pages for max breaker and fuse sizes Note F1 represents fuses An Inverse Time Breaker would replace the fuses F1 in the below example ...

Page 6: ...e use of Split Bolts Crimp Connectors Eye Bolts with Screws or other approved motor connection terminals See Figure 2 Figure 2 Acceptable Connectors Split Bolt Insulated Multitap Crimp Product Owner End User 1 Must ensure that you are using dust tight connections on the motor junction box The cord grip used should tightly secure the flexible conduit or cordbeing used The motor junction box cover s...

Page 7: ...re the circuit protection is sized appropriately per section2 0 for thefiltermodel 4 Are the supply conductors the correct size according to the 1 3 Phase Motor Circuit Sizing Table Please confirm correct sizing If the length between the starter and the motor exceeds 150 feet consider upsizing the conductors 1 size to account for voltage drop in the conductors Consult your Licensed Electrician abo...

Page 8: ...ND g T7 to GND h T8 to GND i T9 to GND 4 While the motor is disconnected and the circuit breaker turned off measure the resistance of the supply leads to ground to ensure there is not a direct short from one of the supply leads a L1 to GND b L2 to GND c L3 to GND 5 If you have access to a MEGGER perform an Insulation test from each lead to ground motor frame a T1 to GND b T2 to GND c T3 to GND d T...

Page 9: ...h current occurs during the first half cycle of motor operation and can be more than 10 times the motor s FLA full load amperage As the motor turns the current decreases to the level of the motor s locked rotor current which is often six to eight times the motor s normal operating current As the motor speed and back EMF increases the current further decreases until normal operating speed and curre...

Page 10: ...n servicing our machinery Make sure to choose a certified technician to service your Nederman equipment as they have the correct tools and knowledge to solve any machinery issues and improve its performance Be sure to ask if your technician is certified by Nederman Our services for dust collection systems are customized to your particular needs We work with you to understand your needs then develo...

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