EasyManua.ls Logo

GE Zenith Controls ZBTS - User Manual

GE Zenith Controls ZBTS
32 pages
Print Icon
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Loading...
71R-4000B
1/06
ZBTS/ZBTSD Series
Bypass Isolation Transfer Switches
100-4000 Amps
Operation and Maintenance Manual
GE Zenith Controls

Questions and Answers

  • J
    Jessica BarrettJul 30, 2025
    Why GE Zenith Controls ZBTS engine does not start?
    • S
      Steven RollinsJul 30, 2025
      If the GE Zenith Controls Switch engine won't start, the engine start wires might not be properly connected; in this case, check the engine start connections. Also, the generator might be in the OFF position, so investigate why the Engine Control Switch was turned off.
  • F
    Frederick JacksonAug 6, 2025
    What to do if GE Zenith Controls ZBTS engine does not stop?
    • L
      louissimmonsAug 6, 2025
      If the GE Zenith Controls Switch engine won't stop, it might be due to an incomplete U timing cycle; in that case, check the U timer setting. Also, the engine start wires might not be correctly terminated, so check the Engine Start Connections. Finally, if the generator is in MANUAL, place it in AUTO.
  • O
    okennedyAug 15, 2025
    Why GE Zenith Controls Switch ATS will not transfer to SOURCE 1?
    • H
      Heather Walker DDSAug 15, 2025
      If the GE Zenith Controls Switch ATS won't transfer to SOURCE 1, it could be due to several reasons: * The DW timing cycle might not be complete, so check the DWTimer setting. * The SOURCE 1 voltage or frequency might not be within acceptable parameters, so check the utility and utility breakers. * The power supply connector might be unplugged, so plug it in. * The T timing cycle might not be complete, so check the TTimer setting. * The TD timing cycle might not be complete, so check the DTTimer setting.
  • Q
    qnorrisAug 22, 2025
    How to fix GE Zenith Controls Switch ATS that will not transfer to SOURCE 2?
    • J
      Jason JuarezAug 22, 2025
      If the GE Zenith Controls Switch ATS won't transfer to SOURCE 2, it could be because the SOURCE 2 voltage or frequency is not within acceptable parameters; in that case, check the Engine Start Connections, Generator Breaker, Generator Output, and Engine Control Switch. Alternatively, the power supply connector might be unplugged; if so, plug in the connector. Finally, the W timing cycle might not be complete, so check the WTimer setting.

Summary

Safety

Installation

Power Connections

Connecting power cables to the transfer switch terminals.

Initial Energization

Steps for safely energizing the transfer switch after installation.

Entelli-Switch 250 Controller

User Setting for Voltage & Frequency

Source 1 Settings

Configuring voltage and frequency parameters for the primary source.

Source 2 Settings

Configuring voltage and frequency parameters for the secondary source.

Entelli-Switch 250 User Setup - CFG Menu

Entelli-Switch 250 User Setup - SET Menu

Testing

ATS Testing

General steps for testing the automatic transfer switch.

Standard Transition Testing

Testing sequence for standard transfer mode.

Sequence of Operation

Controls Power Supply (CPS)

Troubleshooting and Diagnostics

Maintenance and Testing

GE Zenith Controls ZBTS Specifications

General IconGeneral
OperationAutomatic or Manual
Frequency50/60 Hz
Enclosure TypeNEMA 1, 3R, 4, 4X, 12
Amperage30A to 4000A
Poles2, 3, 4
VoltageUp to 600 VAC
StandardsUL 1008, CSA C22.2 No. 178

Related product manuals