Westinghouse 30-471 (E) Operation And Maintenance Manual Download | Manualshive

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Instruction Leaflet

30-471 (E)

Page 1

Westinghouse Canada

Electronics, Control and Distribution Products Division

September, 1984
New Information

Robonic II Automatic
Transfer Switches
Operation and
Maintenance Manual

Index

Warranty ......................................... 2
Westinghouse Offices ..................... 3
General Description ........................ 4
Component Identification ................ 7
LRO Description ............................. 5
RO Description ............................... 6
PRO Description ............................. 6
Application Information ................... 7
Logic Control .................................. 7
Replacing Parts ............................ 13
Trouble Shooting Guide ................ 14
Recommended Maintenance ........ 14

AUTOMATIC TRANSFER SWITCH

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Summary of Contents for 30-471 (E)

Page 1: ...ic II Automatic Transfer Switches Operation and Maintenance Manual Index Warranty 2 Westinghouse Offices 3 General Description 4 Component Identification 7 LRO Description 5 RO Description 6 PRO Description 6 Application Information 7 Logic Control 7 Replacing Parts 13 Trouble Shooting Guide 14 Recommended Maintenance 14 AUTOMATIC TRANSFER SWITCH ...

Page 2: ...ted to the negligence of the Company it s employees or agents shall the Company be liable for special or consequential damages or damages for loss of use and on expiration of the Warranty period any liability of the Company shall terminate This constitutes the only warranty of the Company and no other warranty or condition statutory or otherwise shall be implied IMPORTANT Check equipment for shipp...

Page 3: ...t you Utility Sales Offices Fredericton 454 6952 460 440King St Winnipeg 772 9906 1460 Ellice Acve Halifax 422 4441 720 Barrington St Tower Calgary 265 1204 707 324 8th Ave SW Montreal 842 2566 2723 1 Complexe Desjardins Edmonton 428 7540 516 10303 Jasper Ave Toronto 595 9551 1012 790 Bay St Burnaby 299 5566 6000 Lougheed Hwy Westinghouse Service Centres provide after sales service installation an...

Page 4: ...1 2 3 on page 7 The information given in these tables is necessary for proper application Type B Robonics are equipped with standard thermal magnetic breakers which will provide the required overload and short circuit protection Type B Robonics can also be built using Seltronic or SCB breakers which could include ground fault tripping as well as overload and short circuit protection For applicatio...

Page 5: ...operate The type LRO has three operating positions They are the normal breaker closed and the emergency breaker open the emergency breaker closed and the normal breaker open or both the normal and emergency breakers open but never both normal and emergency breakers closed The type LRO can also be easily manually operated Open the lever cover remove the slide pin and place it in the hole supplied i...

Page 6: ...switch will seek the power available The various control components are described under the section titled Logic Control Type PRO Robonic II Automatic Transfer Switch Rated 1200 amperes through 3000 amperes at 600 volts Ac or 250 volts Dc The transfer mechanism consists of a transfer motor a gear train and two breaker operating cams Spur Gear Meshing Relationship bottom view of top cover The trans...

Page 7: ...J or L K5 or R amps LRO 30 EB EHB FB HFB FB P 100 100 LRO 70 EB EHB FB HFB FB P 100 100 LRO 100 FB HFB 100 100 RO 150 CA CAH JA KA HKA LC HLC LA P 225 225 RO 200 DA LBB LB HLB LC HLC LA P 225 225 RO 225 DA LBB LB HLB LC HLC LA P 225 225 RO 300 DA LBB LB HLB LC HLC LA P 400 400 RO 400 LA HLA LC HLC NB P 400 400 RO 600 MA HMA MC HMC NB P 600 600 RO 800 NB HNB NC HMC PB PC PB P 800 RO 1000 PB PC PB P...

Page 8: ...0 2 30 min timer S 1275C74G03 Option 1C 3C 4C 5 min fixed S 1275C74G08 Option 4D All can be used to accomplish TDEC and TDNE functions Relay Driver S 1266C77G02 Option 1A 1B 1C 3A 3B 3C 4A 4B 4C 4D This card is used in place of any of the timing modules when instantaneous operation is required Blank S 1266C77G01 Used to cover any unused card slots All Cards Mechanically Interlocked All cards are i...

Page 9: ...Rotate Dropout Counterclockwise until LED is OFF 8 Drop line voltage to pull in desired value LED should come ON 9 Increase line voltage to desired Dropout value LED should go OFF DT and DTM Time Delay Relays Option 32A 32B Ratings 6 Watts Power Consumption Input coil Voltage 120 volts Contact Rating 3 amperes at 220 volts Ac 50 60 Hertz Operating Temperature Rating 10o C to 50o C Time Ratings Var...

Page 10: ...day and night scale and has tabs around the periphery which may be adjusted to operate the micro switch within intervals each 24 hours Each tab represents a 15 minute interval Dial B has 7 spokes and advances one position for each revolution of Dial A Each spoke has provision to add a pin to operate the micro switch These pins represent days of the week and their function is to prevent operation o...

Page 11: ...he interval it will cause the engine generator to shutdown INSTRUCTIONS TO OPERATE THE ENGINE FOR AN INTERVAL ONCE EACH WEEK WITH OR WITHOUT OPERATION OF THE TRANSFER SWITCH 1 Extend the tabs of Dial A outwards except those representing the time of day for the running of the engine or operation of the transfer switch 2 Determine the day of the week for this testing Install the six brass pins calle...

Page 12: ...tor begins to operate First the normal interrupter is opened and then the emergency interrupter is closed At this point the ELS emergency limit switch contacts change state and the BS motor brake closes preventing TM over travel The NLS normal limit switch contacts change state in preparation for re transfer to the normal power source Upon return of stabilized normal power NR is re energized disab...

Page 13: ...re proper operation without slipping or binding Be sure all hardware is tightened sufficiently before re energizing any transfer switch To replace any of the octal plug ins relays pull old units straight out and insert the replacement unit Due to the tight fit of the receptacle and pins you may have to move the relay about a little to pull it out DO NOT INTERCHANGE ANY RELAY WITH ANY OTHERS To rep...

Page 14: ...e loctite 3 Check lubricant in high speed bearings of the motor and the low speed bearings of the gear box For lubrication use Dow Corning Silicon DC44 or equivalent on the high speed bearings and Aero Shell No 6 grease or equivalent in gear box after 5000 operations 4 Check if control components are tight in sockets 5 Periodically inspect all terminals load line and control for tightness Retighte...

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