Gebruiksaanwijzing /service van het product IL 33-DAH-1 van de fabrikant Westinghouse
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T able of Contents SAFETY PREC A UTION S ............................................................................................................... . 1 Kit Components Lis t .........................................................................
Effective December , 1998 IL 33-D AH-1 SAFETY PRECA UTIONS PO WER CIRCUIT BREAKERS ARE EQUIPPED WITH HIGH SPEED , HIGH ENERGY OPERA TING MECHANISMS. THE BREAKERS AND THEIR ENCLOSURES ARE DESIGNED WITH SEVERAL BUIL T -IN INTERLOCKS AND SAFETY FEA TURES INTENDED T O PRO VIDE SAFE AND PR OPER OPERA TING SEQUENCES.
Effective December , 1998 IL 33-D AH-1 Page 2 Cutler-Hammer Digitrip Retrofit Kits are av ailable in a number of configurations that pro vide a wide range of f eatures. The Digitr ip System star ts with the 510 Basic Kit which off ers true RMS sensing, ov ercurrent protection, and self-testing features .
Effective December , 1998 IL 33-D AH-1 Page 3 Step 1: General Breaker Preparation Bef ore attempting to remov e the Break er from the cell or perf or m any Retrofit Oper ation, be sure to read and understand the Saf ety Precautions section of this manual.
Effective December , 1998 IL 33-D AH-1 Page 4 Step 3: Preparing the Sensors A. Place each Sensor between tw o Glass P oly Insulation Plates. The connector stabs should be positioned tow ards the cutouts in the Insulation Plates as shown. B. Secure the Glass P oly Plates on either side of the Sensors using the (12) .
Effective December , 1998 IL 33-D AH-1 Page 5 Step 5: Installing the T rip Unit Mounting Platform A. Using Dr illing Plan “A”, dr ill and counter sink two .
Effective December , 1998 IL 33-D AH-1 Page 6 Step 6: Preparing the T rip Unit Assembl y A. F or Kits Supplied with a PT Module Only . Mount the PT Module to the Glass P oly Insulation Barrier as shown, using the (2) .138-32 × .500" scre ws, (4) flat washers , (2) loc k washers, and (2) nuts supplied.
Effective December , 1998 IL 33-D AH-1 Page 7 Step 8: Installing the T rip Finger A. Note the position of the or iginal T rip Finger and associated “gap” between the T rip Finger and manual T r ip Shaft. Remov e the original T r ip Finger and scrap the mounting hardw are.
Effective December , 1998 IL 33-D AH-1 Page 8 Step 10: Installing the DT A Assembly A. Mount the DT A Mounting Brack et to the right Breaker side panel, as sho wn, using the holes drilled in Step 5 A and the (2) .312-18 × .750" scre ws, (2) flat washers , (2) loc k washers, and (2) nuts pro vided.
Effective December , 1998 IL 33-D AH-1 Page 9 Step 11: Installing the 2-P oint T erminal Block A. Mount the 2-P oint T er minal Block to the pre-drilled holes in the r ight T rip Unit Suppor t Brac ket as sho wn, using the (2) .138-32 × .750" scre ws, (4) flat washers , (2) loc k washers, and (2) nuts supplied.
Effective December , 1998 IL 33-D AH-1 Page 10 C . Route the CPT Har ness betw een the T r ip Unit and the Insulation Barrier to the CPT . Str ip .250" of insulation and attach a .138" ring ter minal to each wire of the CPT Harness. Connect the CPT Har ness wires to the X1 and X2 terminals of the CPT .
Effective December , 1998 IL 33-D AH-1 Page 11 Step 13: Final Connection of the Harnesses and Wiring A. Feed the Sensor Harness through the hole in the left side of the A ux. CT Module. Connect the Sensor Har ness to the proper terminals on the A ux. CT Module.
Effective December , 1998 IL 33-D AH-1 Page 12 D. F or Kits Supplied with a PT Module Only . Ref er to Section 7-3, P ower Flow Con vention of the Retrofit Application Data, supplied with the Retrofit Kit f or additional wiring information and to verify the Phase Con v ention used on this Breaker Application.
Effective December , 1998 IL 33-D AH-1 Page 13 H. F eed the two wires from the DT A Extension Har ness through the opening in the left side of the A ux. CT Module. Connect the wire mar ked “+” to the “OP” ter minal and the unmarked wire to the “ON” terminal.
Effective December , 1998 IL 33-D AH-1 Page 14 F or Kits Supplied with an A ux. Switch Only . Step 14: Installing the A uxiliary Switch A. Using diagonals, cut 2.625" off the Micros witch Ar m. B. Mount the Micros witch to the A uxiliar y Switch Mounting Brac ket, as sho wn, using the (2) .
Effective December , 1998 IL 33-D AH-1 Page 15 Step 15: T esting the Breaker A. Measure the force necessary to tr ip the Break er at the point where the DT A impacts the T rip Finger . The force necessary to tr ip the Break er MUST NO T EXCEED SEVEN (7) lbs.
Effective December , 1998 IL 33-D AH-1 Page 16 Step 17: Installing the Retr ofitted Breaker in the Cell Do not leave the Breaker in an intermediate position in the switc hgear cell. Alwa ys leave it in the CONNECTED , DISCONNECTED, or (Optional) TEST position.
Effective December , 1998 IL 33-D AH-1 Page 17 Digitrip Retrofit Kit Installation Components for the Westinghouse DA-75 Breakers Step Description Style No. Qty . Comment Step 3 Sensors 3000/5000 4A35613H01 3 Sensor Mounting Parts 4A35618G04 1 Glass Poly Mounting Plates 6 .
Effective December , 1998 IL 33-D AH-1 Page 18 Digitrip Retrofit Kit Installation Components for the Westinghouse DA-75 Breakers (Continued) Step Description Style No. Qty . Comment Step 7 T rip Unit Assembly (From Step 6) T rip Unit Mounting Hardware 4A35618G08 1 .
Effective December , 1998 IL 33-D AH-1 Page 19 Digitrip Retrofit Kit Installation Components for the Westinghouse DA-75 Breakers (Continued) Step Description Style No. Qty . Comment Step 12 Breaker Mounted CPT Kit 8259A91G05 1 CPT Only Ring T erminals (.
Effective December , 1998 IL 33-D AH-1 Page 20 Wire Tie Nylon 10 Digitrip Retrofit Kit Installation Components for the Westinghouse DA-75 Breakers (Continued) Step Description Style No. Qty . Comment Step 14 Aux. Switch Kit 4A35618G02 1 Microswitch 1 Mounting Bracket 1 .
Effective December , 1998 IL 33-D AH-1 Page 21 T orque V alues for General Mounting Decimal Standar d T orque T orque Size (in) Size (in-lbs) (ft-lbs) .112 4-40 10 0.8 .138 6-32 18 1.5 .164 8-32 36 3.0 .190 10-32 46 3.8 .250 1/4-20 100 8.3 .312 5/16-18 206 17.
Effective December , 1998 IL 33-D AH-1 Page 22 A B C D E F G H J K L I A. Sensors B. T rip Unit C . A ux. CT Module D . Rating Plug E. Direct T rip Actuator (DT A) F . A ux. Switch G. PT Module H. Sensor Harness I. DT A Extension Harness J . A ux. CT Harness K.
Effective December , 1998 IL 33-D AH-1 Page 23 Notes:.
Effective December , 1998 Printed in U.S.A. - K IL 33-D AH-1 Page 24 Cutler -Hammer 130 Commonwealth Drive Warrendale, P A 15086 W e wish to thank you f or purchasing the Digitr ip Retrofit System. Digitrip Retrofit Kits are designed and manuf actured in America with pr ide.
Effective January , 1998 IL 33-D AH-1 Page 25 Symbols 2-Point T erminal Block 9 510 Basic Retrofit Kits 13 A Auxiliary Switch 14 B Breaker Mounted CPT 9 C Cell Harness 15 CPT T erminals 10 D Drilling .
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