Related Manuals for Zenith ZTSH Series
Summary of Contents for Zenith ZTSH Series
- Page 1 OPERATION AND MAINTENANCE MANUAL AUTOMATIC TRANSFER SWITCH ZTSH SERIES 30 - 4000 AMPS 43R-1000E ISO 9001 1/99...
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Page 2: Table Of Contents
................................Control Connections ................................Final Equipment Inspection ............................Functional Test ..................................Operation and Features ................................Sequence of Operation ..............................Zenith Module 9 Accessory Package ........................Zenith Optional Accessories ............................Maintenance and Testing ................................Inspection and Cleaning .............................. Servicing ...................................... Testing ...................................... -
Page 3: Introduction
Introduction Zenith Transfer Switches are used to provide a continuous source of power for lighting and other critical loads by automatically transferring from the normal source of power to an emer- gency source of power in the event that the normal source voltage falls below preset limits. -
Page 4: Installation
(Can Cause Severe Injury or Death) Turn OFF all power before installation, adjustment, or removal of transfer switch or any of its components. Each Zenith transfer switch is factory wired and tested. A complete information package is furnished with each switch which includes: a. -
Page 5: Power Connections
When lifting the switch using a spreader bar, height H must be equal to half of distance D. Power Connections Tightening Torque for Lugs Torque Socket Size Zenith transfer switches are supplied with Across Flats Lb. - In. Lb. - Ft. UL listed solderless screw type terminals... -
Page 6: Control Connections
Figure 3 the side of the power panel. On 400 amp units these terminals appear on the disconnect switch bracket above the operator handle, and are marked as illustrated in Figure 3. Zenith Controls, Inc. ZTSH Operation and Maintenance Manual (43R-1000) -
Page 7: Final Equipment Inspection
The phase relays B1, B2, and B3 will pick up SYSTEM VOLTS: and the LED indicators will be illuminated. MODEL NUMBER: Verify the phase to phase voltages at the Normal line terminals. Figure 5 Zenith Controls, Inc. ZTSH Operation and Maintenance Manual (43R-1000) - Page 8 NOTICE A periodic test of the transfer switch under load conditions is recommended to insure proper operation. (See National Electric Code articles 700 and 701). Zenith Controls, Inc. ZTSH Operation and Maintenance Manual (43R-1000)
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Page 9: Operation And Features
Operation and Features Sequence of Operation Figure 6 is a typical schematic diagram of a Zenith transfer switch with a Module 9 accessory package. The information package supplied with the transfer switch includes a schematic diagram and description of operation of all accessories provided. - Page 10 (EMERGENCY POSITION) L1 - EMERGENCY POSITION LIGHT CCE - POWER RELAY, ENERGIZE ENGINE START CONTACT FROM P1 NOTE - ZTSH SHOWN IN NORMAL POSITION WITH NO POWER AVAILABLE Figure 6 Zenith Controls, Inc. ZTSH Operation and Maintenance Manual (43R-1000)
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Page 11: Zenith Module 9 Accessory Package
Operation and Features (cont’d) Zenith Module 9 Accessory Package The Zenith Module 9 Accessory package includes nine of the commonly specified accessories. These accessories are: Auxiliary Contacts: Closed when switch is in emergency position Indicating LED Pilot Lights: Indicates switch in emergency position Indicates switch in normal position Time Delay - Engine Start: Adjustable 0.5 to 6 seconds... -
Page 12: Zenith Optional Accessories
Operation and Features (cont’d) Zenith Optional Accessories Many control accessories are available to meet specific requirements. Some of the more commonly specified accessories are: Auxiliary Contacts: Deenergizes external motor control circuit5 seconds (adjustable) prior to transfer in either direction. Plant Exerciser (no load): Automatically starts the generator to run unloaded at... -
Page 13: Maintenance And Testing
Servicing All worn or inoperative parts must be replaced using Zenith recommended replacement parts. Appendix B at the back of this manual includes replacement part information for typical power and control panel configurations. -
Page 14: Testing
NOTICE A periodic test of the transfer switch under load conditions is recommended to insure proper operation. (See National Electric Code articles 700 and 701). Zenith Controls, Inc. ZTSH Operation and Maintenance Manual (43R-1000) -
Page 15: Troubleshooting
Plug in harness Normal Position and Emergency Limit switches harness unplugged Plug in harness Position LEDs flashing Delay to Open Emergency LED on T timing cycle not complete Check T Timer setting Zenith Controls, Inc. ZTSH Operation and Maintenance Manual (43R-1000) - Page 16 Maintenance and Testing (cont’d) Zenith Controls, Inc. ZTSH Operation and Maintenance Manual (43R-1000)
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Page 17: Adjustments And Settings
Do NOT change the setting while the timer is energized. Timer malfunction or damage may occur. The factory setting of the solid state timers Timer Factory Setting used in the Zenith standard package are 30 minutes shown in Table 4. 5 minutes... -
Page 18: Solid State Phase Relays
The time switch will keep the clock running if power is lost by the installation of a 9 volt battery. It will not perform any of the programmed operations during a power outage. Zenith Controls, Inc. ZTSH Operation and Maintenance Manual (43R-1000) - Page 19 HOLIDAY PROGRAM MINUTES SETTING DAY SETTING RESET TIME DISPLAY CHANNEL SELECTION AND PROGRAM ENTRY RECALL PERMANENT FUNCTION FOR: CHANNEL 2 – NO LOAD TEST CHANNEL 1 – LOAD TEST Figure 9 Zenith Controls, Inc. ZTSH Operation and Maintenance Manual (43R-1000)
- Page 20 21.Press “m” to 9:30 a.m. 1. Press “Prog” once. 22.Press “Prog” to enter C1 “OFF” PGM into 2. Press “C1” once (Start “ON” program). memory. 23.Press “ ” to return to clock run mode. Zenith Controls, Inc. ZTSH Operation and Maintenance Manual (43R-1000)
- Page 21 APPENDIX A - TYPICAL SCHEMATIC DIAGRAM 40 - 260 AMPS N1,2,3,N - NORMAL LINE T1,2,3,N - LOAD E1,2,3,N - EMERGENCY LINE SWITCHED NEUTRAL OR SOLID NEUTRAL IF REQUIRED LEGEND WIRE CONNECTION WIRE ON MAIN TERMINAL BLOCK WIRE ON DISCONNECT PLUG OPTIONAL ACCESSORY CA - ...
- Page 22 APPENDIX A - TYPICAL SCHEMATIC DIAGRAM 40 - 260 AMPS N1,2,3,N - NORMAL LINE T1,2,3,N - LOAD E1,2,3,N - EMERGENCY LINE SWITCHED NEUTRAL OR SOLID NEUTRAL IF REQUIRED LEGEND WIRE CONNECTION WIRE ON MAIN TERMINAL BLOCK WIRE ON DISCONNECT PLUG OPTIONAL ACCESSORY DS - ...
- Page 23 APPENDIX A - TYPICAL SCHEMATIC DIAGRAM 40 - 260 AMPS N1,2,3,N - NORMAL LINE T1,2,3,N - LOAD E1,2,3,N - EMERGENCY LINE SWITCHED NEUTRAL OR SOLID NEUTRAL IF REQUIRED LEGEND WIRE CONNECTION WIRE ON MAIN TERMINAL BLOCK WIRE ON DISCONNECT PLUG OPTIONAL ACCESSORY DS - ...
- Page 24 APPENDIX A - TYPICAL SCHEMATIC DIAGRAM 40 - 260 AMPS N1,2,3,N - NORMAL LINE T1,2,3,N - LOAD E1,2,3,N - EMERGENCY LINE SWITCHED NEUTRAL OR SOLID NEUTRAL IF REQUIRED LEGEND WIRE CONNECTION WIRE ON MAIN TERMINAL BLOCK WIRE ON DISCONNECT PLUG OPTIONAL ACCESSORY 209R DS - ...
- Page 25 Zenith Controls, Inc. ZTSH Operation and Maintenance Manual (43R-1000)
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Page 26: Appendix B-Replacement Parts
CN1 Cut-out Switch L-5022 CE1 Cut-out Switch L-5022 Emergency Position Auxiliary Contact SPDT, L-5022; DPDT, L-5021 Normal Position Auxiliary Contact SPDT, L-5022; DPDT, L-5021 Disconnect Switch Operator l-4018; Contact Block L-1028 Zenith Controls, Inc. ZTSH Operation and Maintenance Manual (43R-1000) - Page 27 L-5021 ATS Emergency Position Switch ATS Normal Position Switch SCN/SCE CNE Limit Switches L-3079 ATS Solenoid Disconnect Switch Operator 2 - Position Maintain L-4018 L-1029 Contact Block N.C. (1) Rectifier PS-5076 Zenith Controls, Inc. ZTSH Operation and Maintenance Manual (43R-1000)
- Page 28 Zenith Controls, Inc. ZTSH Operation and Maintenance Manual (43R-1000)
- Page 29 (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 Zenith Controls, Inc. ZTSH Operation and Maintenance Manual (43R-1000)
- Page 30 Zenith Controls, Inc. ZTSH Operation and Maintenance Manual (43R-1000)
- Page 31 (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) Zenith Controls, Inc. ZTSH Operation and Maintenance Manual (43R-1000)
- Page 32 Zenith Controls, Inc. ZTSH Operation and Maintenance Manual (43R-1000)
- Page 33 (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) Zenith Controls, Inc. ZTSH Operation and Maintenance Manual (43R-1000)
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Page 34: Standard Control Panel Ssrcp
Jumpers PS-5067 NOTES: 1. If -6 voltage system (575/600V is supplied, then XN, XE is K-3087 and B1, 2, 3 is K-1185 (120V) supplied with XB (575-600V/120V) 3 phase transformer assembly. Zenith Controls, Inc. ZTSH Operation and Maintenance Manual (43R-1000) - Page 35 120 V K-1061 NOTES: 1. If -6 voltage system (575/600V is supplied, then XN, XE is K-3059 and B1, 2, 3 is K-1155 (120V) supplied with XB (575-600V/120V) 3 phase transformer assembly. Zenith Controls, Inc. ZTSH Operation and Maintenance Manual (43R-1000)
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Page 36: Optional Control Panel
PS-5048 (Green) Lens (Emergency) PS-5047 (Red) Bulb Socket PS-5046 (Incandescent) Emergency Bulb PS-5105 (Incandescent) Normal Bulb PS-5105 (Incandescent) Test Switch Operator, Momentary L-1025 Contact Block N.C. L-1029 Contact Mounting Base PS-3473 Zenith Controls, Inc. ZTSH Operation and Maintenance Manual (43R-1000) - Page 37 830 West 40th Street Chicago, IL 60609 USA Phone: 773 247-6400 FAX: 773 247-7805 www.zenithcontrols.com E-Mail: zenith@zenithcontrols.com © 1997 Zenith Controls, Inc.