Zenith ZBTSDH SERIES, Operation And Maintenance Manual

Page 1: ...CONTROLS INC OPERATION AND MAINTENANCE MANUAL BYPASS ISOLATION DELAYED TRANSITION TRANSFER SWITCH ZBTSDH SERIES 600 THRU 1200 AMPS MODEL NUMBER SERIAL NUMBER ZENITH CONTROLS INC 830 W 40th St Chicago...

Page 2: ...om entering mechanical and electrical components b Standard cable entry is through the top or side of the cabinet Fig 2 below shows one suggested knockout order For a guide to assist in the hole layou...

Page 3: ...INSTRUCTION NAMEPLATE ass 0 BYPASS SELECTOR SWITCH MANUAL BYPASs HANDLE MBHl r I 0 m L2 I 0 1 L J DISCONNECT SWI CH OS LEA LBE LNA LBN LAI LAT LOS LAH Ll TS 2...

Page 4: ...connect Sw ch 011 ln licator R Floshinq Bulb PS 1272 CQIIIION PARTS BYPASS INDICATORS Bulb Socket Red Lens R Green Lens G Amber Lens A Y500005 PS 5046 PS 5047 PS 5048 PS 5049 L1 L2 ATS Emer9ency Posit...

Page 5: ...a T INDICATOR CONTROL PANEL INTERCONNECTION DIAGRAM DETAIL 2A DETAIL 26 DETAIL 2C DETAIL 20 WITCH AMP EOLES DEPTH B c D 600 600 00 1200 00 1200 3 4 3 4 19 l9 19 19 27 3H 30 3 8 36 H H 2 7 8 2 7 8 23 3...

Page 6: ...omentary Pushbutton Operator N O Contact BlOCk ATS Solenoid Disconnect Switch Operator 2 Posltlon M11lntaln Contact Block N C Conact Block N O Emergency Interlock Solenoid Norm Interlock Solenoid Cran...

Page 7: ...an audible click is heard and the LED will come on Setting the Relay If the relay should be set with a variable voltage supply Variac l Turn pick up control fully clockwise 2 Turn drop out control fu...

Page 8: ...K 112 RT Control Relay Emergency K 1204 E Pass Relay on Emergency Failure PI Delay Engine Start Timer K 1201 Adjustable 5 to 6 seconds T NOrmal Restoration Timer OSA A T U Engine Cool down Timer OSA A...

Page 9: ...ATS is mechanically locked in the Emergency position L2 On when the ATS is mechanically locked in the Normal position TOP DOOR LNA On when Normal power is available Off otherwise LEA On when Emergency...

Page 10: ...Switch Tbe DS controls ATS main coil operation In the Auto position the ATS operates normally In the Inhibit position the main coils CN and CE cannot be energized and the ATS remains connected to the...

Page 11: ...S is bypassed Rotate the CM counterclockwise until the ATS Location Pointer is aligned with TEST Note The BP can act as a manual transfer switch only when the ATS is located in TEST or ISOLATE The TES...

Page 12: ...s now transferred to the emergency line supply The SE and seE limit switches operate to disconnect the CEl relay and CE 0 main transfer coil The transfer switch is now locked mechanically in Emergency...

Page 13: ...dure CAUTION A Control Panel Test or a test with the ATS in the TEST location runs the emergency source with no load A no load operation may be detnmental to the engine and the engine generator manufa...

Page 14: ...NTER ALIGNED EMERG i X ISOLATE NORMAL x POINTER EMERG ALIGNED X TABLE 2 ZBTSDH 2 WIRE ENGINE CONTROL CONTACT BSS SELECTOR SWITCH POS LOCATION ATS EMERG OFF NORMAL IN TRAVEL NOT CLOSED NON ALIGNED OP E...

Page 15: ...EO T GINS TlloiiHG CR E l i IGIZ O 1 ATS Tlt SJ RS TO HORUAt 0 Joi CK 2 HIC Lt T t OCXS Z L IT SWI001 S SH CTUATCC L2 IS ENE Gil 0 4 U BEGINS TlloCINC O ECX I L t Om ST lJIT OIICUIT J S II C NIHG C Ol...

Page 16: ...ee Operation instructions The multilams are the vaned connectors and lower buses see Fig 6 Examine the multilams Verify that all the vanes are present unbent and uncorroded Any defective parts should...

Page 17: ...orqued to the values presented below Caution DO NOT OVE RTORQUE WASHERS follow the given torque values TORQUE REOUI REMENTS inch lb except denoted by are ft lb BOLT SIZE GRADE 5 SOCKET HEAD SET SCREW...

Page 18: ...ED WHEN CUSTOMERS CONNECTIONS ARE REAR SIDE OR BOTTOM ENTRY IOPTIONALI UNIT A B c D E F G H J K L M N p a R s T u v I w STSOH 60 3P 14 5 8 4 1 4 4 1 4 1 13 16 12 1 2 3 118 3 318 2 112 8 1 8 2 118 18 1...

Page 19: ...of MBH CM or BSS 5 When ATS is in the Test or Isolate locations opening a Bypass switch will disconnect the load from the Power Source CHART OVERVIEW The left index of chart re presents location of A...

Page 20: ...FIELD NOTES MODEL NO SERIAL NO DATE SHIPPED START UPDATE DRAWING SUPPLIED TEST AND MAINTENANCE NOTES OBSERVATIONS NOTES TESTED DATE 19...

Page 21: ...Relay Normal Hold 3 27 29 AA 1 2 3 Auto Limit Switch 6 8 14 BR 1 2 3 Bridge Rectifier CBN Normal Solenoid 8 CBE Emergency Solenoid 9 AI l 2 3 Isolate Limit Switch 10 22 14 ATR Auto Test Relay 11 17 L...

Page 22: ...CTIFIER REO CEO RECTIFI R VOLTSU iOH2l 3 240 3 3 4 1 20 206 4SO 7 277 4SO 9 Z40 416 38 t20 240 3 3 3 3 3 4 3 4 4 4 t TIME DELAY ON AETRANSFER 28 CR CONTROL RELAY 27 33 39 43 YN PUSH BUTTON TO BYPASS T...

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Page 24: ...z NITH CDNTRDL s INC 830 West 40th Street Chicago Illinois 60609 312 247 6400...