Страница 1: ...995 CONTROLS INC OPERATION AND MAINTENANCE MANUAL RUTOMRTIC TRANSFER SWITCH DELAYED TRANSITION Mechanically Held ZTSDH SERIES 600 THRU 1200 AMPS MODEL NUMBER SERIAL NUMBER ZENITH CONTROLS INC 830 W 40th St Chicago IL 60609 312 247 6400 FAX 312 247 7805 ...
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Страница 3: ...LT FACTORY 2 120 240 1 3 240 3 K 2146 K 2147 K 2147 K 2147 3 240 3 3 240 3 K 2146 K 2147 K 2147 K 2147 4 120 208 3 4 208 3 4 K 2146 K 2147 K 2147 K 2147 5 480 3 3 480 3 K 2158 K 2157 K 2157 K 2157 6 575 3 3 575 600 3 CONSULT FACTORY 7 277 480 3 4 480 3 4 K 2158 K 2157 K 2157 K 2157 8 120 240 2 4 240 4 K 2146 K 2147 K 2147 K 2147 9 240 416 3 4 416 3 CONSULT FACTORY OPERATING COIL HARDWARE KIT I RN ...
Страница 4: ...M Voltage Frequency Sensor t20V 60 Hz 1 f92R CA Control Relay 120V K 1204 AT Bypass T Relay 120V K 1204 J1 J11 Jumpers PS 5067 CCN CCEO Power Relays energize CN CEO Solenoids 120V K 1120 CCE CCNO Power Relays energize CE CNO Solenoids 120V K 1120 OPTIONAL ITEMS TAG DESCRIPTION VOLTAGE PART NUMBER T Time Delay to Normal Timer Solid State 120V 1 Sec to 9990 Hrs Adj OSA A T u Engine Cool Down Timer S...
Страница 5: ...control fully clockwise 2 Turn drop out control fully counterclockwise 3 Set Variac pick up voltage to desired level 4 Very slowly rotate pick up adjustment counterclockwise until relay picks up LED will energize 5 Set Variac drop out voltage to desired level 6 Very slowly rotate drop out adjustment clockwise until relay drops out LED de energizes Verify settings by raising voltage until relay pic...
Страница 6: ...COIL TRANSFERS ATS FROM NORMAL TO NEuTRAL POSITIJN CEO SOLENOID COIL TR 1NSFERS ATS FjiOM EMERG TO NEUTRAL PQSITIQio RN CN RECTIFIER CE RECTIFIER RNO CNO RECTIFIER REO CEO RECTIFIER 240 3 3 3 4 120 208 3 4 5 480 3 3 7 277 480 3 4 9 Z40 416 3 4 38 120 240 3 4 T TIME DELAY ON RETRANSFER z CR CONTROL RELAY 27 33 39 43 YN PUSH BUTTON TO BYPASS T L NORMAL POSITION UGHT U ENGINE OVER RUN TIMER 34 PI WJU...
Страница 7: ...d back to OPEN position The SEQ limit switch operates to disconnect the CCEO relay and CEO transfer coil The transfer switch is now locked mechanically open SEO is now activated energizing DT timer After time setting has lapsed DT will energize CCN which will energize main transfer coil CN The load is now transferred to the normal line supply The SN limit switch operates to disconnect the CCN rela...
Страница 8: ...FIELD NOTES MODEL NO _______________________________________________ SERIAL NO DATE SHIPPED START UP DATE DRAWINGS SUPPLIED TEST AND MAINTENANCE NOTES OBSERVATIONS NOTES TESTED DATE ...
Страница 9: ...r shipping or installation damage The following may be used as a test procedure after installation of the transfer switch Before connecting the load circuit make sure normal line contacts are closed then energize the NL circuit The phase relays and control relay will be energized N xt energiZ the EL circuit The VFSM relay will be energized Operate the test switch TS to the test position The switch...
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