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CL-7 voltage regulator control replacement assembly

(CRA) installation instructions and service information

COOPER POWER

SERIES

Voltage Regulators

MN225017EN

Effective October 2016
Supersedes January 2014 (S225-70-4)

Содержание COOPER POWER SERIES

Страница 1: ...voltage regulator control replacement assembly CRA installation instructions and service information COOPER POWER SERIES Voltage Regulators MN225017EN Effective October 2016 Supersedes January 2014 S225 70 4 ...

Страница 2: ...ONTRACT BETWEEN THE PARTIES ANY SUCH CONTRACT STATES THE ENTIRE OBLIGATION OF EATON THE CONTENTS OF THIS DOCUMENT SHALL NOT BECOME PART OF OR MODIFY ANY CONTRACT BETWEEN THE PARTIES In no event will Eaton be responsible to the purchaser or user in contract in tort including negligence strict liability or other wise for any special indirect incidental or consequential damage or loss whatsoever incl...

Страница 3: ...AGE REGULATOR APPLICATION Replacement Procedure 8 HOWARD INDUSTRIES VOLTAGE REGULATOR APPLICATION Replacement Procedure 12 EATON S VOLTAGE REGULATOR APPLICATION Replacement Procedure 15 CONTROL SETUP Ratio Correction 19 Ratio Correction and Control Programming 19 CONTROL PROGRAMMING Powering the Control Using Line Power 20 Powering the Control Using External Power 21 OPERATIONS CHECK Field Operati...

Страница 4: ...tion DANGER Hazardous voltage Contact with hazardous voltage will cause death or severe personal injury Follow all locally approved safety procedures when working around high and low voltage lines and equipment G103 3 WARNING Before installing operating maintaining or testing this equipment carefully read and understand the contents of this manual Improper operation handling or maintenance can res...

Страница 5: ...rage Be careful during handling and storage of the control to minimize the possibility of damage If the control is to be stored for any length of time prior to installation provide a clean dry storage area Standards Eaton s voltage regulator controls are designed and tested in accordance with the following standards IEEE Std C37 90 1 2012 standard IEEE Std C37 90 2 2004 standard IEEE Std C57 13 20...

Страница 6: ...ssary Installation Making connections to the CRA The CRA connections are made to terminal board TB1 located on the top of the back panel see Figure 2 A color coded wiring decal clearly identifies connections see Figure 1 Connecting the leads to the terminal board requires using the tool supplied with the CRA assembly or an acceptable substitute see Figure 4 To use the tool place it in the square h...

Страница 7: ...R G G VS VS VM C1 C3 HS R3 L3 NL DHR OC TB1 Ratio Correction Transformer RCT TB8 C Knife Switch V1 Knife Switch V6 Knife Switch TB2 RCT Terminal Board 3 CL 7 control replacement assembly installation instructions and service information MN225017EN October 2016 ...

Страница 8: ...l Cable Entrance Ground Point Universal Control Box Mounting Bracket Figure 3 CRA external side view Figure 4 Tool supplied for connecting leads 4 CL 7 control replacement assembly installation instructions and service information MN225017EN October 2016 ...

Страница 9: ...n Step 7 13 Ground the control cabinet via the ground boss located on the side of the cabinet 14 Examine the control cable Allow approximately 12 of lead length to protrude past the end of the conduit nut This will facilitate connection to the top terminal strip and knife switches located in the CRA control box 15 Remove the cable grip nut and rubber cable grommet from the cable entrance of the ne...

Страница 10: ... and switches The Siemens connections are labeled in Red and Eaton s identification is labeled in Black 22 If the motor capacitor had been located in the old control box install and reconnect it in the CRA control box and secure the capacitor 23 Verify that A The V1 and V6 knife blade switches are open B The C knife blade is closed shorted 24 If not already installed install the control panel on t...

Страница 11: ... 10 18 White E Violet U12 Blue P2 Green U2 Orange C2 Yellow E1 White E Wire Color Code 1 White 2 White 3 Orange 4 Blue 5 Blue 6 White Green 7 White Green 8 White Red 9 White Orange 10 Black 11 Black 12 White 13 Violet 14 Green 15 Red 16 Red 17 Black 18 White 19 White 20 White Blue 21 White Blue 23 White Brown 24 White 25 Black 26 White Brown 27 Brown 28 Brown 29 Red Black 30 Blue 31 Green 32 Yello...

Страница 12: ...k washers and nuts provided 12 Attach the nameplate to the front of the CRA control box with retained hardware 13 Ground the control box using the ground boss located on the side 14 Examine the control cable Allow approximately 12 of lead length to protrude past the end of the conduit nut This will facilitate connection to the top terminal strip and knife switches located in the CRA control box 15...

Страница 13: ...d in the bottom of the CRA control box Using the tool supplied with the CRA connect the black wire to the top of the V1 switch Per the GE nameplate and the system voltage desired connect the other end of the black wire to the bottom of TB1 20 or 21 or 22 23 If the motor capacitor had been located in the old control box install and reconnect it in the CRA control box and secure the capacitor 24 Ver...

Страница 14: ... Green 28 Red White 29 Blue White 31 Black 32 16 AWG Bottom of 20 or 21 or 22 Black 20 AWG White 20 AWG Red Black 30 Green Black 26 Blue Black 10 Orange Black 20 Orage 21 Blue 22 Eaton s connections shown in parentheses 10 CL 7 control replacement assembly installation instructions and service information MN225017EN October 2016 ...

Страница 15: ...Code 1 White 2 White 3 Orange 4 Blue 5 Blue 6 White Green 7 White Green 8 White Red 9 White Orange 10 Black 11 Black 12 White 13 Violet 14 Green 15 Red 16 Red 17 Black 18 White 19 White 20 White Blue 21 White Blue 23 White Brown 24 White 25 Black 26 White Brown 27 Brown 28 Brown 29 Red Black 30 Blue 31 Green 32 Yellow 33 Orange 34 Red 35 Brown 36 Black 37 White Note N If the color codes does not m...

Страница 16: ... existing control cable Select one of the two supplied cable grommets that best fits the existing cable place grommet onto the control cable 16 If the motor capacitor was located in the old control box do not cut the terminals from the capacitor wires Cut all other terminals from the end of the cable conductors 17 Strip the insulation back approximately 5 16 of an inch on each lead to be connected...

Страница 17: ... Howard Connections G G R R L L OC OC DHR DHR NL NS V6 MS V1 PS C Switch Top C C Switch Bottom CO G R R L L OC DHR NL NL NL2 HS HS 2 G G 1 V2 V5 V1 V4 C2 C3 20 21 23 G V6 V1 C G R L DHR NS OC MS PS C CO G If the MS lead is used as a motor power source it will not be used The motor power and sensing voltage sources will both be supplied to the control through the PS lead Figure 10 TB1 Howard connec...

Страница 18: ...IRE COLOR CODE 1 White 2 White 3 Orange 4 Blue 5 Blue 6 White Green 7 White Green 8 White Red 9 White Orange 10 Black 11 Black 12 White 13 Violet 14 Green 15 Red 16 Red 17 Black 18 White 19 White 20 White Blue 21 White Blue 23 White Brown 24 White 25 Black 26 White Brown 27 Brown 28 Brown 29 Red Black 30 Blue 31 Green 32 Yellow 33 Orange 34 Red 35 Brown 36 Black 37 White L N 2 10 18 White G Purple...

Страница 19: ...e old control box assembly and retain it with the hardware 6 With the adjustable wrench or appropriate socket wrench remove and retain the bolts holding the old control box on the regulator and remove the old control box assembly from the regulator 7 Remove the supplied universal control box mounting bracket see Figure 3 from the CRA control box 8 In the majority of installations the universal bra...

Страница 20: ...o further action is required B If the regulator has a source side PT input present and it will be used to supply a source side voltage for reverse operation take the following steps i Connect the white black lead to the top of the V6 switch ii Using the supplied tool remove the white brown number 23 lead from the bottom section of V1 and place it at the bottom of V6 iii FC 44 enter function code 4...

Страница 21: ...Source PT Black Load PT Green CT Positive Red CT Negative Table 4 CRA Kit Connections for Eaton McGraw Edison Voltage Regulators Connection Point Wire Color V1 Black G White C bottom Red C top Green HS Orange R1 Blue V6 White Black NL Red Black L1 Green Black DHR Orange Black Motor Cap 1 Lt Blue Black Motor Cap 2 Black White 17 CL 7 control replacement assembly installation instructions and servic...

Страница 22: ...IRE COLOR CODE 1 White 2 White 3 Orange 4 Blue 5 Blue 6 White Green 7 White Green 8 White Red 9 White Orange 10 Black 11 Black 12 White 13 Violet 14 Green 15 Red 16 Red 17 Black 18 White 19 White 20 White Blue 21 White Blue 23 White Brown 24 White 25 Black 26 White Brown 27 Brown 28 Brown 29 Red Black 30 Blue 31 Green 32 Yellow 33 Orange 34 Red 35 Brown 36 Black 37 White L N 2 10 18 White Red Blac...

Страница 23: ...by dividing the nominal system voltage by the control source voltage and entering this value at FC 44 enter function code 44 and then press the down arrow On Eaton McGraw Edison regulators the internal PT ratio can be read from the voltage chart Example If the regulator nameplate lists a control source voltage of 120 volts for a system voltage of 7620 the Internal PT Ratio will be 7620 120 63 5 2 ...

Страница 24: ...volts and will be 123 5 3 0 120 5 If the system voltage is 7620 the Overall PT Ratio will be 7620 120 5 63 2 Control programming Once the control is installed power the control for programming Powering the control using line power The control can be powered for programming by connecting the regulator to the power distribution lines It is important to perform the following steps before beginning th...

Страница 25: ... V1 switch on the back panel 2 Putting the regulator into service Using any type of bypass switch single pull or individual switches power can be applied by closing the disconnect switches opening the bypass switch and putting the regulator fully into service Make sure that the regulator is in the neutral position before starting the process and verify this by using three independent methods Use l...

Страница 26: ...he operations test 1 Make sure that the V1 switch on the back panel is open 2 Connect 120 Vac to the EXTERNAL SOURCE terminals located on the control front panel Be certain the voltage polarity is correct when applying power to the control positive to the black terminal neutral to the white terminal and ground to green With 120 volts applied to the external source terminals perform the following 1...

Страница 27: ...witching Refer to Service Information MN225003EN Voltage Regulator CL 7 Series Control Installation Operation and Maintenance Instructions for information on the CRA Control and refer to the instruction manual supplied by the voltage regulator manufacturer for specific safety procedures for bypass switching Failure to comply will result in severe personal injury or death VR T214 0 23 CL 7 control ...

Страница 28: ...d States Eaton com Eaton s Power Systems Division 2300 Badger Drive Waukesha WI 53188 Eaton com cooperpowerseries 2016 Eaton All Rights Reserved Printed in USA Publication No MN225017EN October 2016 Supersedes S225704 January 2014 For Eaton s Cooper Power series CL 7 control product information call 1 877 277 4636 or visit www eaton com cooperpowerseries ...

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