Suggestion on How to Use Industry Trainers are

Suggestion on How to Use  Industry Trainers are

Suggestion on How to Use Industry Trainers are encouraged to use this material in their sessions Download the presentation file Print the Notes pages and read them as you view the presentation in the Slide Show view. In this way you see the slides in large format and have animation (when available) 2015 Eaton. All Rights Reserved.. 1 Elevator Codes and Standards 2015 Eaton. All Rights Reserved..

Applicable Requirements NFPA 13 requires sprinklers in elevator shafts (with some exceptions) and in elevator equipment rooms. NFPA 72 ANSI/ASME A17.1 The National Fire Alarm Code requires: Control circuits to shut down elevator power shall be monitored for the presence of operating voltage. Loss of voltage to the control circuit for the disconnecting means shall cause a supervisory signal to be indicated at the control unit and required remote annunciation. Safety Code for

elevators requires that power to an elevator be shut down prior to the release of water in the elevator shaft or electrical equipment room. 2015 Eaton. All Rights Reserved.. 3 Elevator System Disconnect Options Molded Case Circuit Breakers w/ shunt trip Fusible Switch with Fuses (with contactors for shunt trip) Bussmann Power Module Switch/Panel with Bussmann Low-Peak Fuses

2015 Eaton. All Rights Reserved.. 4 Elevator System Disconnect Options How is shunt trip actuated? By Fire Alarm System Via Heat Detector or Flow Switch Can these be directly connected? 2015 Eaton. All Rights Reserved.. 5 Accepted Method Monitoring Relay Contacts

Voltage Supplying Shunt Trip Monitoring Relay Fire Alarm System Contacts Relay Contacts Isolation Relay Shunt Trip Coil Shunt Trip Coil 2015 Eaton. All Rights Reserved.. 6

NEC National Electric Code Enforced by Electrical Inspector Section 620.51 Section 620.62 Section 620.91(C) 2015 Eaton. All Rights Reserved.. 7 NEC Section 620.51(A) states: (A) Type. The disconnecting means shall be an enclosed externally operable fused motor circuit switch or circuit breaker that is lockable open in accordance with 110.25. The disconnecting means shall be a listed device. Informational Note: For additional information, see ASME A17.1-2013/CSA B44-10, Safety Code for Elevators

and Escalators. 2015 Eaton. All Rights Reserved.. 8 NEC Section 620.51(B) states: (B) Operation. No provision shall be made to open or close this disconnecting means from any other part of the premises. If sprinklers are installed in hoistways, machine rooms, control rooms, machinery spaces, or control spaces, the disconnecting means shall be permitted to automatically open the power supply to the affected elevator(s) prior to the application of water. No provision shall be made to automatically close this disconnecting means. Power shall only be restored by manual means. Informational Note: To reduce hazards associated with water on live elevator electrical equipment.

2015 Eaton. All Rights Reserved.. 9 NEC Section 620.51(C) states: Location. The disconnecting means shall be located where it is readily accessible to qualified persons. Within Sight of the elevator controller 2015 Eaton. All Rights Reserved.. 10 Back-up Power Requirements NFPA 70

The National Electrical Code requires disconnect switches for elevators with backup or auxiliary power (where the backup power is connected on the load side) to be equipped with auxiliary contacts to disconnect the backup power system. 620.91 (C)Disconnecting Means. The disconnecting means required by 620.51 shall disconnect the elevator from both the emergency or standby power system and the normal power system. Where an additional power source is connected to the load side of the disconnecting means, which allows automatic movement of the car to permit evacuation of passengers, the disconnecting means required in 620.51 shall be provided with an auxiliary contact that is positively opened mechanically, and the opening shall not be solely dependent on springs. This contact shall cause the additional power source to be disconnected from its load when the disconnecting means is in the open position. 2015 Eaton. All Rights Reserved.. 11 On(Closed) Position

Battery Lowering Elevator Disconnect NC Mechanically Interlocked Aux. Contact Elevator Controlle r M S Elevat or Motor

To Piston Drain Valve Solenoid 2015 Eaton. All Rights Reserved.. 12 Off(Open) Position Battery Lowering Elevator Disconnect NC Mechanically Interlocked Aux. Contact

Elevator Controlle r M S Elevat or Motor To Piston Drain Valve Solenoid 2015 Eaton. All Rights Reserved.. 13

On(Closed) Position NC COM NO Trip Bar Auxiliary Switch Line Latch Spring Loaded Contacts 2015 Eaton. All Rights Reserved.. 14 Off(Open) Position

NC COM NO Auxiliary Switch Trip Bar Line Latch Spring Loaded Contacts 2015 Eaton. All Rights Reserved.. 15 On(Closed) Position Disconnect NC COM

Fuses NO 2015 Eaton. All Rights Reserved.. 16 No Mechanical Operation Disconnect NC COM Fuses NO

2015 Eaton. All Rights Reserved.. 17 NEC Selective Coordination Requirements Section 620.62 states: Selective Coordination. Where more than one driving machine disconnecting means is supplied by a single feeder, the overcurrent protective devices in each disconnecting means shall be selectively coordinated with any other supply side overcurrent protective devices. 2015 Eaton. All Rights Reserved.. 18 NEC Selective Coordination Requirements NFPA 70

National Electrical Code 620.62 X Elevator 1 Elevator 2 Elevator 3 2015 Eaton. All Rights Reserved.. "Where more than one driving machine disconnecting means is supplied by a single feeder, the overcurrent protective devices in each disconnecting means shall

be selectively coordinated with any other supply side overcurrent protective devices." 19 NEC Selective Coordination Requirements NFPA 70 National Electrical Code 620.62 X Elevator 1 Elevator 2 Elevator 3

2015 Eaton. All Rights Reserved.. Selective Coordination shall be selected by a licensed professional engineer or other qualified person engaged primarily in the design, installation, or maintenance of electrical systems. The selection shall be documented and made available to those authorized to design, install, inspect, maintain, and operate the system." 20 Power Module Switch at-a-glance 600Vac, 3-phase switch Available from 30 to 400A For single elevator applications All-in-one solution for elevator

disconnect requirements Shunt trip capability and voltage monitoring UL 98 Listed for 200kA short-circuit current rating Class J fusible branch circuit protection 2015 Eaton. All Rights Reserved.. 21 Power Module Switch features Shunt trip system Easy inspection Internally powered, relay activated shunt trip system Optional key-test switch and optional

pilot light makes inspection easy Auxiliary contacts Mechanically interlocked auxiliary contacts Circuit protection Bussmann Low-Peak Class J fuses NEMA 1, 3R, 12 or 4 enclosure options Triple padlock lockout/tagout Flexibility for different installation environments Meets requirements for maintenance safety procedures with up to three padlocks

2015 Eaton. All Rights Reserved.. 22 Power Module Panel at-a-glance 600Vac, 3-phase switch 30-200A feeder switches 400-800A main switches For multiple elevator applications All-in-one solution for elevator disconnect requirements Shunt trip capability and voltage monitoring UL 98 Listed for 200kA short-circuit current rating 2015 Eaton. All Rights Reserved.. 23

Power Module Panel features Shunt trip system Easy inspection Internally powered, relay activated shunt trip system Optional key-test switch and optional pilot light make inspections easy Circuit protection Bussmann Low-Peak Class J fuses Auxiliary contacts Mechanically interlocked auxiliary contacts Triple padlock lockout/tagout Meets requirements for maintenance safety procedures with up to three padlocks

2015 Eaton. All Rights Reserved.. 24 Summary of Applicable Codes, Listings, & Standards UL 98 Listed enclosed and dead front switches Canadian Standards C22.2, No. 0-M91-CAN/CSA C22.2, No. 4-M89 Enclosed switch Elevator shutdown ANSI/ASME A17.1, 2.8.3.3.2

Elevator shutdown NEC 620.51 (B) Shunt trip voltage monitoring NFPA 72, 6.16.4.4 NFPA 13-2013 Selective coordination NEC 620.62 Auxiliary contact (hydraulic elevator) NEC 620.91(C)

2015 Eaton. All Rights Reserved.. 25 25 2015 Eaton. All Rights Reserved.. 26

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