background image

— 

INSTALLATION MANUAL

EntelliGuard R Retrofill Circuit Breakers

800-2000A AKD-6

AKD-6 Low Voltage Switchgear is a free-standing assembly of metal-
enclosed power circuit breakers. It may also be a part of a single-ended 
or double-ended load center unit substation. This manual applies to 
EntelliGuard R breakers for OEM substructures using AKR-#B-30/50/T50 
legacy breakers and AKD-6 switchgears using AKR-#A-30/50/T50 legacy 
breakers. 

Summary of Contents for AKD6-800A

Page 1: ...ree standing assembly of metal enclosed power circuit breakers It may also be a part of a single ended or double ended load center unit substation This manual applies to EntelliGuard R breakers for OE...

Page 2: ...apparatus The ABB Electrification Service offering is comprised of services that will help you to take care of the equipment modernize it and recommend the most appropriate business decisions to guar...

Page 3: ...rt 6 Estimated Time to Complete Tasks 6 Description 6 Product Specs 6 Weight lbs 6 History and Types 8 AKD 8 AKD 5 AK25 AK50 8 AKD 6 AKR30H AKR30L AKR50H AKRT50H 8 AKD 8 AKR30H AKR30L AKR50H AKRT50H 8...

Page 4: ...Typical AKD 6 Wiring Diagram 23 Installing Position Switch Actuator Breaker 24 Installing Door Interlock System Breaker 25 AKD 6 Key Interlock 27 Installing Neutral Disconnect Assembly Breaker 27 19 P...

Page 5: ...avoided results in death or serious injury A variety of electrical hazards warnings are displayed here and are applied to installation manuals These are standard or generic alerts and labels that mus...

Page 6: ...3 There are also warnings pertaining to product safety that need to be custom written for particular or specific circumstances Table 4 Table 3 Generic Warning Alerts and Labels Used for Documentation...

Page 7: ...l hardware and software systems ABB assumes no obligation of notice to holders of this document with respect to changes subsequently made ABB makes no representation or warranty expressed implied or s...

Page 8: ...s DEH 41534 FAQ DEQ 171 Application Guide DET 753 Guideform Spec DET 754 Spare Renewal Parts Guide DET 755 Service and Support In addition to the local field sales office and service teams ABB also ha...

Page 9: ...breaker permanently encased in its cassette front view Figure 2 shows also the AKD 6 EntelliGuard R Retrofill in the cassette rear view Figure 3 presents the AKR50H AKD 6 with four fingered clusters F...

Page 10: ...switchgear is painted sand gray beige with some instrument doors painted blue AKR 30 50 in 22 wide sections were introduced in AKD 5 construction early 70s AK25s and AK50s were also available as subs...

Page 11: ...AKR 30 50 50H T50 breaker with horizontal lower stud fingers AKD 10 WPS 08 WPH 08 WPX 08 WPS 16 WPH 16 WPS 20 AKD 10 was manufactured in Burlington IA from 1999 thru 2015 The switchgear compartment s...

Page 12: ...600A Model 2 Retrofill Breaker 800 1600A 2000A Rail latch defeat Achieved by breaker mounted lever mechanism Breaker mounted mechanism is removed No levers on the breaker side panels Needs Spring clip...

Page 13: ...fill AKD 6 Installation Manual DEH 41548 07 15 Mechanical Drawings Below is an AKD 6 mechanical drawing that dimensions the breaker DWG 1 AKD 6 Retrofill for AKR30 30H Model 1 for 800A DWG 2 AKD 6 Ret...

Page 14: ...DEH 41548 07 15 DWG 3 AKD 6 Retrofill for AKRT 50H Model 2 for 2000A Model 2 for 800 1600A AKD 6 Compartment Interior Figure 4 displays an empty compartment of the AKD 6 switchgear Figure 5 shows feat...

Page 15: ...ad been racked out and new wire connections made The lower compartment has a retrofill breaker already installed In this figure there is also a photo showing a mechanically operated status indicator c...

Page 16: ...f all power to switchgear Tagout and lockout main source up stream or main breaker Failure to comply with these instructions will result in death or serious injury from severe burns caused by arc flas...

Page 17: ...er with a lower rating into a higher rated cassette substructure or the insertion of a higher rated circuit breaker into a lower rated cassette substructure Quality All EntelliGuard R circuit breakers...

Page 18: ...cover 4 Remove all packaging material 5 Remove all product documentation and store properly 6 Unscrew the 4 mounting screws that fasten the circuit breaker to the bottom of the shipping palette and r...

Page 19: ...eir shipping cartons and thoroughly inspect them for damage 4 If everything is in satisfactory condition replace the breakers in their shipping cartons for storage If it is necessary to store the equi...

Page 20: ...number on the breaker nameplate All identical breakers have the same mark number Clean and Grease Breaker 1 Before installing or operating a breaker refer to the breaker instruction manual for pre op...

Page 21: ...of the following tasks Installation of the secondary disconnect assembly Wiring of the secondary disconnect assembly The Retrofill EntelliGuard ACB has available either of these two options 1 All seco...

Page 22: ...aced 4 Place the secondary disconnect block on top of the horizontal plate at the rear of the Retrofill EntelliGuard ACB which runs across the width of the Retrofill EntelliGuard ACB 5 Align the four...

Page 23: ...rdware provided as mentioned above The screw tightening torque should be in the range of 77 to 93 in lbs Figure 9 AKD 6 Secondary Disconnects Bullets Wire Secondary Disconnect Assembly AKR30 30H 50 50...

Page 24: ...n the bullets because this can bend the connection points and effects biasing and contact pressure By using tie wraps wire routing can eliminate sagging of the wire harness and undue pressure on secon...

Page 25: ...23 EntelliGuard R Circuit Breaker Retrofill AKD 6 Installation Manual DEH 41548 07 15 Figure 10 Typical AKD 6 Wiring Diagram...

Page 26: ...bracket Each bracket is provided with a pair of M6x16mm Allen type bolts and washers 2 Place the bracket on the bottom right side of the AKD6 base Two locating holes are provided for mounting of the...

Page 27: ...steps of the door interlock is as follows 1 Unpack the door interlock kit Each kit consists of a torsion spring two E clips and a breaker side door interlock bracket 2 Place the torsion spring on the...

Page 28: ...15 Figure 12 Mounting the Door Interlock Bracket Figure 13 Torsion Spring for Door Interlock Bracket The completed assembly of the door interlock will be as shown below Figure 14 Figure 14 AKD 6 AKR30...

Page 29: ...N the breaker 2 Rotate the screw on the lower front panel of the breaker which normally allows access to the racking screw This will hold the breaker trip free 3 While the screw is held rotated Clockw...

Page 30: ...n the AKR30 50 bottom side of the breaker already installed Figure 17 displays the wiring diagram for the programmer disconnect 12 pin and 19 pin combined in one diagram although the AKD 6 does not us...

Page 31: ...Breaker Retrofill AKD 6 Installation Manual DEH 41548 07 15 Figure 18 19 Pin Programmer Disconnect for the AKD 6 AKR30H 50H Retrofill Exploded View Figure 19 19 Pin Programmer Disconnect AKD 6 AKR30H...

Page 32: ...30 EntelliGuard R Circuit Breaker Retrofill AKD 6 Installation Manual DEH 41548 07 15 Figure 20 Wiring for Programmer Disconnect 19 Pin...

Page 33: ...ls are pushed in and front rail levers are toggled The original AKR 30 50 style breaker would then unlatched the two levers by motion of the racking cams as it began its 4 25 Drawout travel The Entell...

Page 34: ...ing breaker is removed and the retrofill breaker is wired to match the compartment it can be installed in the AKD 6 switchgear 1 Verify the retrofill breaker model type with the help of model identifi...

Page 35: ...from obstruction inside the compartment 6 When the breaker is lined up with the compartment raise the breaker only slightly higher than the compartment floor keeping it at slight angle 7 Keep the brea...

Page 36: ...er rail 11 Pull the shutter pad lock lever to defeat the latch on the rail fig 24 Model 1 only 12 Put a of 3 8 dia rod in the hole of the shutter padlock lever fig 24 Push the retrofill breaker to tes...

Page 37: ...open insert the racking tool in the handle insertion hole so that it engages the racking mechanism inside the hole 18 Line up the racking tool or crank with the handle straight up so that you can get...

Page 38: ...ne 25 At 37 clockwise rotations the fingers at the back of the circuit breaker should be completely engaged with the primary bust stabs 26 Remove and store the racking handle in it storage location Fo...

Page 39: ...side Stationary Rail SPRING CLIP INSTALLATION KIT PART 2200053286A 3 Install breaker installation tools on both sides of the sliding compartment door box as shown below Two 2 tools are provided along...

Page 40: ...er and sliding rails fully into the compartment 6 Latch the inner rail with outer rail fig 29 by rotating the rail lever 7 Remove and store two 2 installation tools 8 Now the new retrofill breaker can...

Page 41: ...our manual on how to remove the legacy doors 2 To install new door refer to the Retrofill Door Assemblies DEH 41563 Prepare Switchgear Compartment Ensure the circuit breaker has been tripped indicatin...

Page 42: ...nnect bars Where such joints exist check the bolts for tightness 5 Inside the compartment check the contact areas on each primary disconnect bar or cluster of fingers for foreign matter that may have...

Page 43: ...ogowski style CT Figure 31 Consult the table for the appropriate Rogowski assembly for the switchgear Table 7 The Rogowski CT comes mounted on copper bars matching the same hole pattern as the existin...

Page 44: ...8 Connect the wires back to the Rogowski CT assembly leads In case of damaged wires the same must be replaced with new ones as already mentioned 9 Check for continuity from the CT leads to the plunger...

Page 45: ...ed before the installing the programmer disconnect assembly NOTE 12 Pin Programmer disconnect configuration is not provided with the AKD6 version of the Retrofills of the EntelliGuard ACB To install t...

Page 46: ...programmer using hardware Bolt M6 X 35 Nut M6 metric provided along with the programmer disconnect assembly kit 9 Check the movement of programmer disconnect on slides for biasing 10 Tighten the hardw...

Page 47: ...ormation products services or related graphics contained in the document for any purpose Any reliance placed on such information is therefore strictly at your own risk ABB reserves the right to discon...

Reviews: