Bulletin 1494V Variable Depth Disconnect Switch Installation Instructions (Cat 1494V-DS400; -DSX400 - Series D)

Transcription

1 Bulletin 494V Variable Depth Disconnect Switch Installation Instructions (Cat 494V-DS400; -DSX400 - Series D) ATTENTION: To prevent electrical shock, disconnect from power source before installing or servicing. Follow NFPA 70E requirements. Install in suitable enclosure. Keep free from contaminants. ATTENTION: The following procedures are critical to the proper operation of the disconnect handle and switch. Failure to follow these steps can result in damage to the equipment and/or serious injury or death to the operator. Table of Contents Page Quick Installation Guide - Disconnect Switch Installation - Disconnect Handle Installation - Cutting Connecting Rod Quick Installation Guide (continued) - Connecting Rod Installation Connecting Rod Adjustment Procedure 4 Enclosure Without Handle Cutout 5 - Locate Handle - Drill Handle Holes Door Catch Mounting Bracket Installation 6 Disconnect Switch Installation 7 - Locate Disconnect Switch - Install Disconnect Switch - Assemble and Install Line Terminal Guard Trailer Fuse Block Installation 8 Phase Barrier Replacement and Terminal Adapter Installation 9 Fuse Clip Installation 0 Bulletin 494V Disconnect Switch Kit Bulletin 494V Disconnect Switch Kit Optional Accessory List

2 QUICK INSTALLATION GUIDE Disconnect Switch Installation (Right hand installation shown. For left hand installation follow similar procedure.) Use template D to locate handle holes on mounting plate. 5 Overlay template E (400 A) over D. 7 Install disconnect switch / TOP 5 TOP HANDLE HOLE MEASURE TO INSIDE OF THE TOP OF ENCLOSURE HOLD FLUSH TO INSIDE OF ENCLOSURE Switch Mounting Holes BOTT Center punch and drill (4) /" holes for thread forming (TAP-TITE) screws provided with switch 6-/ TAPE D MEASURE TO INSIDE OF THE TOP OF ENCLOSURE HOLD FLUSH TO INSIDE OF ENCLOSURE BOTTOM HANDLE HOLE MEASURE TO INSIDE OF THE TOP OF ENCLOSURE HOLD FLUSH TO INSIDE OF ENCLOSURE D TOP BOTT E () Printed in U.S.A. A 4 - /4 Disconnect Switch Hole Location Template () RIGHT Hand Installation (Use opposite side for left hand installation) 6 Center punch and drill (4) holes for 5/6-8 thread forming screws provided with switch. 9/" Dia lb-in Disconnect Handle Installation Install gasket. Install handle and spring bracket. Install defeater lever lb-in IMPORTANT: Apply grease to O-Ring to retain into handle groove. 7- lb-in Cutting Connecting Rod (Cut () Connecting Rods; first rod connects the handle to the switch, second rod provides stiffening for the enclosure flange) Measure working depth of enclosure. Measure, mark and Remove burrs. cut () connecting rods. Mounting Plate Enclosure Working Depth (Inside Flange of Enclosure to Mounting Plate) N N minus -/4" ()

3 QUICK INSTALLATION GUIDE (CONTINUED) 4 Connecting Rod Installation First rod connects the handle to the switch Verify that disconnect switch and handle are in "OFF" position. (Switch blades will be visible) Pull rod up and verify if rod is touching bottom of spring bracket. (If not, rotate rod until it touches spring bracket) Drive Bar 4 Rotate connecting rod into drive bar 6 turns. Zero Clearance Connecting Rod Hitch Pin Primary Link Second rod provides stiffening for the enclosure flange lb-in 0 ATTENTION: CHECK FOR PROPER OPERATION ()

4 Connecting Rod Adjustment Procedure Drive Bar Hitch Pin Connecting Rod Primary Link "ON" Position ➊ Move disconnect handle to the "ON" position. ➋ If switch does not fully close, return handle to "OFF" position. ➌ Remove link spring hitch pin and disengage the connectiong rod from the primary link. ➍ Turn connecting rod counter-clockwise ( or more) full turns. ➎ Re-engage connecting rod in primary link of handle, insert hitch pin and re-test ➏ Repeat ➊ - ➎ as necessary. ➐ Re-install link spring "OFF" Position ➊ Move disconnect handle to the "OFF" position. ➋ If switch does not fully open, return handle to "ON" position. ➌ Remove hitch pin and link spring, then disengage the connectiong rod from the primary link. ➍ Turn connecting rod clockwise ( or more) full turns. ➎ Re-engage connecting rod in primary link of handle, insert hitch pin and re-test. ➏ Repeat ➊ - ➎ as necessary. ➐ Re-install link spring (4)

5 Enclosure without Handle Cutout Enclosures with a Flange Thickness less than /6" use dimensions below to install disconnect handle. Enclosures with a Flange Thickness /6" and greater use dimensions in Alternate Mounting Kit 494V-H6 to install disconnect handle. Locate Handle - /8" Max. - /8" Max. - /8" Min. - /8" Min. 4 - /8" Min. 4 - /8" Min. Top Handle Hole Right Hand Flange Left Hand Flange Drill Handle Holes Top Handle Hole ().8 Dia. Holes 5/6" Square corners or up to /4" radius 5 - /" 6 - /" /" /4" (5)

6 Door Catch Bracket Installation Right hand installation shown (for left hand installation follow similar procedures) Door Catch Mounting Bracket: Provided with projections for welding. Projections can also be used as a guide for drilling holes. Can be used as a template to drill corresponding holes in the enclosure door. User to supply the hardware for fastening the bracket. Fasteners must provide the degree of ingress protection for the environmental rating of the enclosure. The bracket hardware must be inaccessible to unauthorized personnel. Dimension K (/4" to ") When using large disconnect handle kit only (494F-M or -S), use door catch provided with handle kit. When using large disconnect handle kit and small door hardware kits (494V-L, -LL, -L or -LL), use door catch provided with door hardware kit. Dimension K (-/8" to -/8") When using large disconnect handle kit only (494F-M or -S), use door catch ( ) which can be ordered from factory. When using large disconnect handle kit and large door hardware kits (494V-L or -LL), use door catch provided with door hardware kit. Door Catch Mounting Bracket Top TOP VIEW - 7 lb-in Door Catch Enclosure Door Door Catch Mounting Bracket Flange Thickness K Door Catch D C B Enclosure Base NEMA SIZE Enclosure Dimensions A (min) B (min) C (max) D E 4 - /8" - /8" - /8" - 5/8" - /4" C B B C A A E E Top Handle Hole Door Catch Mounting Bracket D D Door Catch Mounting Bracket Right Hand Flange (6) Left Hand Flange

7 Disconnect Switch Installation Locate Disconnect Switch CC AA EE AA CC FF FF BB BB DD DD HH Top Handle Hole HH GG GG Right Hand Flange Left Hand Flange Panel Mounting Dimensions Switch Size AA BB CC DD EE FF GG HH (4 Mounting Plate Holes) 5" 5-/" " " 5" 9/" Dia. 4-/4" -/8" Install Disconnect Switch Assemble and Install Line Terminal Guard LINE TERMINAL GUARD 90-0 lb-in LINE TERMINAL GUARD (7)

8 Trailer Fuse Block Installation (Switch Rating ) Trailer Fuse Block Location Note: Not required for non-fusible disconnect switch applications Amp Trailer Fuse Block (494V-FS400) Fuse Torque (lb-in) A Fuse Lug to Block Terminal Amps Voltage Class Fuse Clip H/R H/R J HRCII-C H/R H/R J HRCII-C 7-/6" 0-/6" 6-/8" 6-/8" 8-/6" -/6" 7-/6" 8-/6" Wire into Lug A 4 - /4" Install Trailer Fuse Block 90-0 lb-in (8)

9 Phase Barrier Replacement Kit (Switch Rating ) 494F-PH5 0-0 lb-in 4 CLICK Terminal Adapter Installation - Conversion from Fusible to Non-Fusible (Switch Rating ) 90-0 lb-in lb-in 5-50 lb-in (9)

10 Fuse Clip Installation (Switch Rating ) Switch for Right Hand Mechanism Switch for Left Hand Mechanism 00A Fuse Clips Fuse Clips 6 - lb-in - 7 lb-in 00A Fuse Clips Fuse Clips 6 - lb-in - 7 lb-in Switch for Right Hand Mechanism Switch for Left Hand Mechanism 00A Fuse Clips Fuse Clips - 7 lb-in lb-in 00A Fuse Clips Fuse Clips - 7 lb-in lb-in (0)

11 Bulletin 494V Disconnect Switch Kit Disconnect Kit Catalog Number and Description Switch with Right Hand Mechanism 494V-DS400 () Switch Switch with Left Hand Mechanism 494V-DSX400 () Handle 494F-M (7-/" Painted Metal) ( / 600A) 494F-S (7-/" Stainless Steel) ( / 600A) Connecting Rod 494V-RB (Standard) () Enclosure Working Depth: 9-/" to 0" 494V-RB4 (Extended)() Enclosure Working Depth: 9-/" to " Fuse Block 494V-FS400 () Fuse Clips 40-N45 (Class H, J, 00A-50V, 00A-600V) 40-N46 (Class H, J, -50V, -600V) 40-N54 (Class R, 00A-50V, 00A-600V) 40-N55 (Class R, -50V, -600V) ()

12 Bulletin 494V Disconnect Switch Optional Accessory List Optional Accessories (Installation Instructions Included with Accessory Kits) Electrical Interlock Catalog Number and Description Switch with Right Hand Mechanism 495-N4 (-N.O./N.C.) 495-N44 (-N.O./N.C.) Switch with Left Hand Mechanism 495-N4 (-N.O./N.C.) 495-N4 (-N.O./N.C.) Auxiliary Contact 495-N8 (-N.O.) () 495-N9 (-N.C.) () Auxiliary Contact Adapter Kit 495-N5 () (Required only for Switch with Left Hand Mechanism) Lug Connectors 494R-N4 (CU Wire Size - #/0-50 MCM) () 494R-N5 (CU Wire Size # MCM) () Phase Barrier 494F-PH5 () Switch Rating Fuse Class Fuse Clip Rating 50V 600V Cat No. Fuse Cover with Door Non-Fusible Non-Fusible H, J, R H, J, R 00A 00A 00A 00A 495-N68➀ 495-N6➁ 495-N68➀ 495-N6➁ ➀ Switch with right hand mechanism ➁ Switch with left hand mechanism () Printed in U.S.A.