GE ZTS Series Operation And Maintenance
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GE ZTS Series Operation And Maintenance

Transfer switches 40-4000 amps
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71R-3000
5/03
e
GE Zenith Controls
ZTS/ZTSD Series Transfer Switches
40-4000 Amps
Operation and Maintenance Manual

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Summary of Contents for GE ZTS Series

  • Page 1 GE Zenith Controls ZTS/ZTSD Series Transfer Switches 40-4000 Amps Operation and Maintenance Manual 71R-3000 5/03...

  • Page 2: Table Of Contents

    Delayed Transition ..... 20 Introduction GE Zenith Transfer Switches are used to provide a continuous NOTE source of power for lighting and other critical loads by auto-...

  • Page 3: Safety

    (Can Cause Severe Injury or Death) Turn OFF all power before installation, adjustment, or removal of transfer switch or any of its components. The safe operation of your switch is GE Zenith’s focus. Verify that all cabled connections are The proper storage, installation, operation and mainte- correct and that phase rotation of both nance will help increase the life of the switch.

  • Page 4: Installation

    Turn OFF all power before installation, adjustment, or removal of transfer switch or any of its components. Power Connections SPREADER BAR GE Zenith transfer switches are supplied with UL listed 45° solderless screw type terminals as standard for the Source 1, Source 2 and Load power connections.

  • Page 5: Initial Energization

    10. Shut down the generator’s engine. 11. Place the starting control in the Automatic position. 12. Complete the visual inspection of the transfer switch. 13. Close the enclosure. 14. Lock the enclosure. GE Zenith Controls SERIAL NUMBER: VOLTS - RATING: HZ -...
  • Page 6 12. Close the enclosure. 13. Lock the enclosure. WARNING When performing a hi-pot or dielectric test on the power section, the control panel plugs from DISCONNECT the microprocessor to avoid potential damage. GE Zenith Controls ZTS / ZTSD Operation and Maintenance Manual (71R-3000)

  • Page 7: Control Connections

    The engine start control wires connect to the for the engine start control wires. engine start relay terminals located to the left of the microprocessor. Figure 5 shows the location of these terminals. GE Zenith Controls ZTS / ZTSD Operation and Maintenance Manual (71R-3000)

  • Page 8: Entelli-Switch 250 Microprocessor Controller

    2 1 : 5 6 M O N 2 3 A P R 2 0 0 2 M O R E T E S T Entelli-Switch 250 Figure 7 GE Zenith Controls ZTS / ZTSD Operation and Maintenance Manual (71R-3000)

  • Page 9: Lcd & Keypad

    The word above the key changes depending on which changes depending on which changes depending on which screen is being displayed. screen is being displayed. screen is being displayed. Figure 8 GE Zenith Controls ZTS / ZTSD Operation and Maintenance Manual (71R-3000)

  • Page 10: User Setting For Voltage & Frequency

    1% increments (see page 17). (see page 17). “Restore” must be a minimum of Once satisfied, the W timer will begin timing to transfer to Source 2. 1% below “Fail” setting. GE Zenith Controls ZTS / ZTSD Operation and Maintenance Manual (71R-3000)

  • Page 11: Accessory Group Packages

    Optional Accessory. Can not be used with accessory having the same symbol. Denotes an Accessory with 2 circuits as a standard. Delayed Transition Units Only. Denotes an Accessory with 3 circuits as a standard. Optional for 40-400 Amp GE Zenith Controls ZTS / ZTSD Operation and Maintenance Manual (71R-3000)

  • Page 12: Accessory Definitions

    Generator and run under load. L3 Indicates Source 1 available. Can be configured by end user for 1, 7, 14, L4 Indicates Source 2 available. 28, 365 day cycle. (See page 16) GE Zenith Controls ZTS / ZTSD Operation and Maintenance Manual (71R-3000)
  • Page 13 Switch will retransfer back to Source 1. Remote inhibit transfer to Source 2 circuit. Energize Q3 input to allow transfer to Source 2. To enable Q3 option, engage Q3 jumper. GE Zenith Controls ZTS / ZTSD Operation and Maintenance Manual (71R-3000)
  • Page 14 BYPASS DELAY button YEN or if Source 2 fails. unloaded after switch retransfer to Source 1. Adjustable 0-60 minutes in 1 second increments. Standard setting is 5 minutes. Adjust via SET menu (see page 18) GE Zenith Controls ZTS / ZTSD Operation and Maintenance Manual (71R-3000)

  • Page 15: How To Set The System Clock

    8. Press SAVE (this will enter this value and move cursor to minutes). 9. Use the up and down keys to change the minutes. 10. Press SAVE (this will enter this value and move cursor to month). GE Zenith Controls ZTS / ZTSD Operation and Maintenance Manual (71R-3000)

  • Page 16: Cdt One Event Timer Exerciser

    For Load Exerciser, actual exercise period 1) Press TEST (ATS in S2 position)= CDT (Exerciser) 2) Press MORE timing period +T (S1 stable Timer) timing period. 3) Press START TEST TIMER (to initiate Test). GE Zenith Controls ZTS / ZTSD Operation and Maintenance Manual (71R-3000)

  • Page 17: Cdp Clock Exerciser

    Use to change values. (24 Hour System) To save value and to To previous field Figure 9 move cursor to next or to exit screen. field to be changed. GE Zenith Controls ZTS / ZTSD Operation and Maintenance Manual (71R-3000)

  • Page 18: User Setup - Cfg Menu

    M ORE BACK To J2/J4 Input PROG 2 GRD (Input Sink) Controller ouputs have limited source capability. LS OUT Use only GE Zenith - specified output modules. NIA OUT ELEV. PRE. OUT Output Contacts From J2/J4 ALARM OUT Output —TIMER EXERCISER (CDT) STE OUT 1, 7, 14, 28 Day (pg.

  • Page 19: User Setup - Set Menu

    To J2/J4 Input PROG 2 M OR E BACK GRD (Input Sink) Controller ouputs have limited source capability. LS OUT Use only GE Zenith - specified output modules. NIA OUT ELEV. PRE. OUT Output Contacts From J2/J4 ALARM OUT Output STE OUT —SET SYSTEM CLOCK (pg.13)

  • Page 20: User Setup - System Info

    —PLANT EXERCISER: PROG 2 GRD (Input Sink) Next Impending Exerciser Controller ouputs have limited source capability. LS OUT Use only GE Zenith - specified output modules. (shows only if set) NIA OUT ELEV. PRE. OUT Output Contacts From J2/J4 ALARM OUT Output —SYSTEM INFO:...

  • Page 21: Testing

    "U" time delay if desired. Upon completion of the to Engine Stop "U") begins its cycle to allow Source 2 Engine (U) timing cycle, the controller sends an Engine stop signal. GE Zenith Controls ZTS / ZTSD Operation and Maintenance Manual (71R-3000)

  • Page 22: Sequence Of Operation

    S2 Start S2 Stable Time to S2 S1 Stable Time to S1 Delay Source 1 Transfer to Source 2 Transfer to Source 1 Engine Source 1 Fails Cooldown Returns GE Zenith Controls ZTS / ZTSD Operation and Maintenance Manual (71R-3000)

  • Page 23: Relay/Transformer (R/T Box)

    See Chart Transformer (1 VA) See Chart Transformer (25 VA) See Chart Transformer (25 VA) See Chart Transformer (1 VA) K-1274 Relay Flange Mounted K-1260 Coil Control Relay (24V) GE Zenith Controls ZTS / ZTSD Operation and Maintenance Manual (71R-3000)

  • Page 24: Delayed

    Coil Control Relay (24V) 50P-1035 208-220V K-3217 K-3225 50P-1036 230-240V K-3218 K-3226 50P-1037 277V K-3219 K-3227 50P-1038 380-400V K-3220 K-3228 50P-1039 416-440V K-3221 K-3229 50P-1040 460-480V K-3222 K-3230 50P-1041 575-600V K-3223 K-3231 GE Zenith Controls ZTS / ZTSD Operation and Maintenance Manual (71R-3000)

  • Page 25: Schematics

    CCE - COIL CONTROL RELAY (SOURCE 2) CCN - COIL CONTROL RELAY (SOURCE 1) COMMON SINGLE PHASE SOURCE 2 SENSING 3-PHASE SOURCE 1 SENSING SOURCE 1 CONTROL POWER SOURCE 2 CONTROL POWER Figure 16 GE Zenith Controls ZTS / ZTSD Operation and Maintenance Manual (71R-3000)

  • Page 26: Troubleshooting & Diagnostics

    Troubleshooting and Diagnostics DANGER HAZARDOUS VOLTAGES CAN CAUSE SEVERE INJURY OR DEATH. These charts may indicate problems that require authorized GE Zenith service personnel. Hazardous voltages may exist on termination plugs other than those that go into the Entelli-Switch 250. General Troubleshooting The following troubleshooting guide is used to recognize, second suspected fault.

  • Page 27: Maintenance And Testing

    When performing a hi-pot or dielectric test on the power section, DISCONNECT the GE Zenith can provide complete preventative main- control panel plugs from the microprocessor tenance services. Please contact the GE Zenith Technical to avoid potential damage. Services Department for additional information. GE Zenith Controls...

  • Page 28: Replacement Parts

    380/416 K-2212 K-2209 440/480 575/600 K-2213 Solenoid Plunger and Link 57P-1030 SCN/SCE Coil Cutout Switch 120-480V L-3078 SCN/SCE Coil Cutout Switch 600V L-4027 Rectifier PS-5076 A3/A4 Auxiliary Contacts L-3078 GE Zenith Controls ZTS / ZTSD Operation and Maintenance Manual (71R-3000)

  • Page 29: 225-400 Amps

    #4-600 MCM #4-600 MCM T 1,2,3 N Coil Volts K-2245B CN/CE Solenoid 208/220 K-2246B 380/416 K-2247B 440/480 K-2248B 575/600 K-2249B SN/SE Coil Cutout Switches L-3078 A3/A4 Auxiliary Contacts Rectifier PS-5076 GE Zenith Controls ZTS / ZTSD Operation and Maintenance Manual (71R-3000)

  • Page 30: 600-1200 Amps

    (Qty 1) 23p-1327 (Qty 2) 23p-1328 (Qty 3) 23p-1334 (Qty 4) 23p-1336 Normal Position Aux Contact (Qty 1) 23p-1333 (Qty 2) 23p-1334 (Qty 3) 23p-1328 (Qty 4) 23p-1330 Disconnect Switch Operator L-4009; ; Contact Block L-1020 GE Zenith Controls ZTS / ZTSD Operation and Maintenance Manual (71R-3000)

  • Page 31: 1600-3000 Amps

    (Qty 1) 23p-1352 (Qty 2) 23p-1353 (Qty 3) 23p-1357 (Qty 4) 23p-1359 Disconnect Switch Operator L-4009; ; Contact Block L-1020 RN, RE Rectifier 23P-1473 (Up to 240V); 23P-1582 (Up to 600V) GE Zenith Controls ZTS / ZTSD Operation and Maintenance Manual (71R-3000)

  • Page 32: 4000 Amps

    (Qty 1) 23p-1352 (Qty 2) 23p-1353 (Qty 3) 23p-1357 (Qty 4) 23p-1359 Disconnect Switch Operator L-4009; ; Contact Block L-1020 RN, RE Rectifier 23P-1473 (Up to 240V); 23P-1582 (Up to 600V) GE Zenith Controls ZTS / ZTSD Operation and Maintenance Manual (71R-3000)

  • Page 33: Delayed Transition

    CN/CE Solenoid 440/480 K-2248B 58P-1109 575/600 K-2249B 58P-1110 575/600 K-2249B 58P-1110 Handle-Manual E3054 Handle-Grip L-3078 A3/A4 Auxiliary Contacts L-3078 SNO/SEO Coil Cutout Switch E3521 Rectifier (>380V) PS-5076 Rectifier PS-5152 GE Zenith Controls ZTS / ZTSD Operation and Maintenance Manual (71R-3000)

  • Page 34: 600-1200 Amps

    See Chart Below Main Operator Solenoids CE/CEO Solenoid Part No. Volts Wire Coil VDC Pole 800-1200 K-2145 K-2147 120/208 K-2146 K-2147 K-2158 K-2157 277/480 K-2158 K-2157 240/416 Consult Factory GE Zenith Controls ZTS / ZTSD Operation and Maintenance Manual (71R-3000)

  • Page 35: 1600-3000 Amps

    Operating Coil Hardware Kit SN/SNO-1,2 Switch Bracket Assembly 23P-1540 23P-1540 23P-1540 SE/SEO-1,2 Switch Bracket Assembly 23P-1541 23P-1541 23P-1541 SN/SNO-3,4 Switch Bracket Assembly 23P-1542 23P-1542 23P-1542 SE/SEO-3,4 Switch Bracket Assembly 23P-1543 23P-1543 23P-1543 GE Zenith Controls ZTS / ZTSD Operation and Maintenance Manual (71R-3000)

  • Page 36: 4000 Amps

    (Qty 1) 23p-1352 (Qty 2) 23p-1353 (Qty 3) 23p-1357 (Qty 4) 23p-1359 Disconnect Switch Operator L-4009; ; Contact Block L-1020 Rectifier 23P-1473 (Up to 240V); 23P-1582 (Up to 600V) RN, RNO, RE, REO GE Zenith Controls ZTS / ZTSD Operation and Maintenance Manual (71R-3000)

  • Page 37: Ztsh/Ztsdh/Ztsdl/Ztshl/Ztsdhl

    ATS Source 1 (NORMAL) Position Indicator Lens Source 1 (NORMAL) VFSM Lens Source 2 (EMER) Bulb Socket Source 2 (EMER) Bulb Source 1 (NORMAL) Bulb Test Switch Operator, Momentary Contact Block N.C. Contact Mounting Base GE Zenith Controls ZTS/ZTSD/ZTSH/ZTSDH/ZTSDL/ZTSHL/ZTSDHL Operation and Maintenance Manual (71R-3000)

  • Page 38: Sequence Of Operation

    SE limit switch is activated by the operator. The SN limit switch is deactivated at the same time, readying Source 1 control circuit for retransfer when Source 1 is restored. ZTS/ZTSD/ZTSH/ZTSDH/ZTSDL/ZTSHL/ZTSDHL Operation and Maintenance Manual (71R-3000) GE Zenith Controls...

  • Page 39: Adjustments And Settings

    Factory Set: 95% “Restore”/Pickup Voltage: 75% to 115% of Nominal Factory Set: 90% of Nominal “Fail”/Dropout Voltage: 55% to 105% of Nominal Factory Set: 80% of Nominal Figure 30 Figure 31 GE Zenith Controls ZTS/ZTSD/ZTSH/ZTSDH/ZTSDL/ZTSHL/ZTSDHL Operation and Maintenance Manual (71R-3000)
  • Page 40 GE Zenith Controls A Product of GE Industrial Systems General Electric Company 830 West 40 Street, Chicago, IL 60609 USA 773 299-6600 , Fax: 773 247-7805 www.geindustrial.com...

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