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213709-104 Rev. C 

  

 
 
 
 

INSTRUCTIONS 

for 

STABILINE 

®

 

Automatic Voltage Regulators 

 

WHR34*S*** Series 

 

Three Phase 

380Y/220 X 480Y/277 Volt 

Single Control 

 

 

This manual also covers units with options that change the beginning of the model number to one of the following: 

WHR64*S, WHR94*S, WHRS34*S, WHRS64*S, or WHRS94*S. 

 
Superior Electric reserves the right to make engineering changes on all its products. Such refinements may affect 
information given in the instructions. Therefore, USE ONLY THE INSTRUCTIONS THAT ARE PACKED WITH THE 
PRODUCT. 
 
WARNING: 

High voltages are present inside this unit during operation, Do not operate this unit unless all 

covers are in place. 

Installation and servicing should only be done by qualified personnel. 

 
 
 

 

 
 
 

Summary of Contents for STABILINE WHR34 S Series

Page 1: ...R64 S WHR94 S WHRS34 S WHRS64 S or WHRS94 S Superior Electric reserves the right to make engineering changes on all its products Such refinements may affect information given in the instructions Therefore USE ONLY THE INSTRUCTIONS THAT ARE PACKED WITH THE PRODUCT WARNING High voltages are present inside this unit during operation Do not operate this unit unless all covers are in place Installation...

Page 2: ...2 ...

Page 3: ... The Damage and Shortage instructions packed with the unit outlines the procedure to follow if any parts are missing or damaged 2 0 DESCRIPTION 2 1 GENERAL WHR34 S Series STABILINE Automatic Voltage Regulators are three phase 380Y 220 X 480Y 277 volt fast acting electromechanical regulators These WHR Series voltage regulators regulate one line to line voltage and correct all phases by the same amo...

Page 4: ... S Single Control D Double Control T Triple Control LNN Size Code 3 or 4 digits R Rack Cabinet T Tall Cabinet CB Input Circuit Breaker CS Input Circuit Breaker w 120vac Shunt Trip CR Input Circuit Breaker w 120vac Under voltage Trip Release D Delayed Output M Manual Bypass Switch T Tropicalization Treatment 0 No Meter Options 1 Ammeter s 2 Frequency Meter w Alarm Contacts 3 Both 1 2 above 0 No Ala...

Page 5: ...vided in the base and the rear panel of the unit for wire entry and exit The location of the power connections varies depending on the options provided On units with an input circuit breaker input connections are made directly to the circuit breaker On units without any options the input connections are located on the POWERSTAT variable transformer The input power connections are labeled L1 L2 and...

Page 6: ...lator should not be operated without the front panel s of the cabinet in place However during the initial operation of the regulator the front panels can be removed to allow setting the OUTPUT VOLTAGE and SENSITIVITY potentiometers 5 2 1 Energize Regulator On units equipped with a manual bypass switch ensure it is in the REGULATOR position Energize the regulator power source and place the input ci...

Page 7: ...ge release coil This coil allows the circuit breaker to close when voltage is applied and opens the breaker if the coil voltage is lost The trip coil is rated 120 volt AC The coil voltage must be present in order to close the circuit breaker 6 2 1 3 Circuit Breaker Trip Coil Alarm Contacts When alarm contact options and a circuit breaker trip option are ordered together the unit is furnished with ...

Page 8: ...n the factory setting can be reinstated by pressing both RECALL buttons at the same time The stored factory settings are shown in the table below To return the stored settings to the factory defaut tap the ENTER key to go to the next feature then use SET and ADVANCE keys to change the setting to those shown below When the display shows Store tap the Enter key to lock the setting into memory If no ...

Page 9: ...but will not correct high input voltages Since operation in the all boost mode will increase the voltage and heating in the WHR regulator the rated load current and in some cases the maximum rated nominal input voltage must be reduced Refer to the All Buck and All Boost Rating Chart for the all boost ratings For all boost operation the input line to each POWERSTAT variable transformer must be move...

Page 10: ...less the unit is overloaded there is little likelihood of component failure Warning Voltages are present inside this unit which can cause injury Therefore only personnel qualified to service electrical equipment should perform trouble shooting procedures on this unit If the regulator fails to operate correctly the following checks will help locate and correct the problem Refer to the schematic rat...

Page 11: ...e motor at the end of travel If the motor operates successfully in this test the problem may be with the control board 8 10 Inspect the POWERSTAT Variable Transformer brush es and commutator s for signs of wear or damage The brush assemblies on the variable transformer section will not need replacement under normal conditions When excessive brush wear or commutator damage occurs it is usually the ...

Page 12: ...UT VOLTAGE 380Y 220 X 480Y 277 FREQUENCY 50 60 Hz X 60 Hz CONNECTION 3 Phase 4 Wire Wye RANGE 20 to 10 of Selected Output OUTPUT VOLTAGE 380Y 220 X 480Y 277 CONNECTION 3 Phase 3 or 4 Wire Model Number base unit Rated Load Max Input Amps Amps kVA at 380 V 480 V WHR34NSR31 15 10 13 20 WHR34NSS31 28 18 23 35 WHR34NST31 65 43 54 80 WHR34NST32 130 85 105 160 WHR34NST33 195 125 160 240 WHR34NST34 260 17...

Page 13: ...tilated enclosures intended for indoor use under usual service conditions Temperature Operating Average ambient temperature for any 24 hour period not to exceed 30 C 86 F and maximum temperature not to exceed 40 C 104 F Average ambient temperature for any 24 hour period may be increased to 40 C 104 F and the maximum temperature may be increased to 50 C 122 F if the load is decreased to 90 of stand...

Page 14: ...ve a similar control module but some of the parts are specially treated and therefore have a different part number FLOOR MOUNT CONTROL MODULE ASSEMBLY A1 Standard Tropicalized Reference Symbol Part Description Part Number Part Number A1 CONTROL MODULE 213244 006 213244 010 A1 A1 CONTROL BOARD 227412 001 227412 001 SM A1 F1 F2 F3 F4 FUSE 600V 213274 001 A1 LP1 LP2 LIGHT INDICATOR GREEN 227571 001 A...

Page 15: ...REPLACEMENT BRUSH ASSEMBLY Each POWERSTAT Variable Transformer contains a durable brush assembly These assemblies are designed to reduce the need for attention or replacement however because these are moving parts that rely on contact friction to operate properly an annual inspection is suggested Refer to the maintenance section of this manual for details The replacement brush assembly is listed a...

Page 16: ...16 11 0 SCHEMATIC For reference only use full size supplied with unit ...

Page 17: ...17 12 0 FLOOR MOUNT DIMENSIONS Enclosures A through G Note All dimensions are inches millimeters ...

Page 18: ...18 Enclosures A through G continues Note All dimensions are inches millimeters ...

Page 19: ...19 Enclosures A through G continues Note All dimensions are inches millimeters ...

Page 20: ...20 Enclosures DPLUS through GPLUS Note All dimensions are inches millimeters ...

Page 21: ...21 Enclosures DPLUS through GPLUS continues Note All dimensions are inches millimeters ...

Page 22: ...22 Enclosures DD through GG Note All dimensions are inches millimeters ...

Page 23: ...23 Enclosures DD through GG continues Note All dimensions are inches millimeters ...

Page 24: ...24 Enclosures EEE through GGG Note All dimensions are inches millimeters ...

Page 25: ...25 Enclosures EEE through GGG continues Note All dimensions are inches millimeters ...

Page 26: ...seller network which offer literature technical assistance and a select range of models off the shelf for fastest possible delivery and service In addition Superior Electric Manufacturer s Representatives are available to provide prompt attention to customer needs Call or fax for ordering and application information or for the address of the closest Manufacturer s Representative Authorized Distrib...

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