Generac Power Systems Nexus smart Technical Manual Download Page 1 | Manualshive

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Generac Power Systems Nexus smart Technical Manual Download Page 1

This manual should remain with the unit.

Technical Manual

Nexus Smart Switch

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Summary of Contents for Nexus smart

Page 1: ...This manual should remain with the unit Technical Manual Nexus Smart Switch...

Page 2: ...system from utility distribution system when the generator is operating Article 701 Legally Required Standby Systems or Article 702 Optional Standby Systems as applicable Failure to isolate electric s...

Page 3: ...and national electrical and building codes When using this equipment comply with regulations the National Electrical Code NEC CSA Standard C22 1 Canadian Electric Code and Occupational Safety and Heal...

Page 4: ...the event of a drop in generator frequency overload Loads to be shed are grouped in 4 priority levels on the LSM Priority 1 and 2 has connections for both one air conditioner and one contactor Both a...

Page 5: ...mensions drawing Handle transfer switches carefully when install ing Do not drop the switch Protect the switch against impact at all times and against con struction grit and metal chips Never install...

Page 6: ...IONS The LSM can control an air conditioner 24 Vac directly or a sepa rate contactor 120 Vac which can control any load connected to it See Figure 2 2 2 5 1 SEQUENCE OF OPERATION The 4 green status LE...

Page 7: ...ormally Open Open Closed Common to Normally Closed Closed Open NOTE Auxiliary Contacts are rated 10 amps at 125 or 250 volts AC DO NOT EXCEED THE RATED VOLTAGE AND CURRENT OF THE CONTACTS Figure 2 3 4...

Page 8: ...SOURCE SIDE Before proceeding verify the position of the switch by observing window A in Figure 3 1 on page 6 If window A reads ON the contacts are closed in the normal position no further action is r...

Page 9: ...2 to NEUTRAL 120 123 VAC Failure to do so may result in damage to cer tain rotary equipment 5 When certain that UTILITY supply voltage is correct and compatible with transfer switch ratings turn OFF t...

Page 10: ...etting the AUTO OFF MANUAL switch to its OFF position 7 Move the switch s main contacts back to the UTILITY position For example load connected to utility power supply Refer to Manual Operation Handle...

Page 11: ...9 Interconnection Drawing No 0H7453 C Electrical Data...

Page 12: ...10 Electrical Data Wiring Diagram Schematic Drawing No 0H7257 C...

Page 13: ...11 Wiring Diagram Schematic Drawing No 0H7257 C Electrical Data...

Page 14: ...12 Parts List on page 14 Exploded Views Parts Lists 400A Assembly Drawing No 0H7267 C...

Page 15: ...13 Parts List on page 14 400A Assembly Drawing No 0H7267 C Exploded Views Parts Lists...

Page 16: ...J3806C 1 DECAL DATA XFER SW 23 064101 6 NUT HEX FL WHIZ 3 8 16 24 0F59400ST14 1 SUBPLATE 24 36 ENCL RTS GY4 25 087680 1 NUT WING M6 1 0 26 063378 4 HOLDER CABLE TIE 27 064761 4 TIE WRAP UL 5 6 X 10 NA...

Page 17: ...9 6mm 24 0 917mm 36 1 TRIPLE EKO SUITABLE FOR 1 1 25 1 50 CONDUIT 3 PLACES 254mm 10 0 794mm 31 3 60 8mm 2 4 61 3mm 2 4 487mm 19 2 MOUNTING HOLES 6 35mm 0 25 4 PLACES Installation Diagram Drawing No 0F...

Page 18: ...16 Notes...

Page 19: ...17 Notes...

Page 20: ...Part No 0H7443 Revision C 08 05 11 Printed in U S A...

Page 21: ......

Page 22: ...AL DATA XFERSW 0J3806C 1 DECAL DATA XFERSW 23 064101 6 NUT HEX FL WHIZ 3 8 16 24 0F59400ST14 1 SUBPLATE 24 36 ENCL RTS GY4 25 087680 1 NUT WING M6 1 0 26 063378 4 HOLDER CABLE TIE 27 064761 4 TIE WRAP...

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