Page 1 NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876), Revision ZA Specification Number: 582140000 Model Number: 802 , 802 , 802 NLDB NLEB...
Page 2 The information contained in this document is subject to change without notice and may not be suitable for all applications. While every precaution has been taken to ensure the accuracy and completeness of this document, Vertiv assumes no responsibility and disclaims all liability for damages resulting from use of this information or for any errors or omissions.
Page 3: Table Of Contents
Installing Power/Distribution Bay Load Return Lug Extension Busbar Assembly, P/N 514543 (if furnished)....................73 Installing Power/Distribution Bay External Top-Mount Vertical Battery Input Busbar Assembly, P/N 554874 (if furnished)........82 Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 4 Setting the Temperature Units (degrees C or degrees F) ..........209 Setting and Testing MCA Customer Alarm Relays (and MCA Relay Function Channels) ............................. 209 Setting MCA I/O Circuit Card Parameters ..................211 Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 5 Checking Fuse Alarm/Circuit Breaker Alarm ................226 Checking Metering Functions ........................227 Checking System Status..........................229 Checking and Configuring the LMS System ................230 Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 6: Admonishments Used In This Document
SAFETY! Informs the reader of general safety information, reminders, precautions, or policies not related to a particular source of hazard or to fire safety. (ISO, ANSI, OSHA) Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 7: Important Safety Instructions
DANGER! Follow local lockout/tagout procedures to ensure DC branch circuit protection devices remain de-energized during installation at loads, as required. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 8: Battery
• Do not open or mutilate batteries. • ALWAYS FOLLOW THE BATTERY MANUFACTURER’S RECOMMENDATIONS AND SAFETY INSTRUCTIONS. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 9: Personal Protective Equipment (Ppe)
NOTE! When performing any step in procedures that requires removal of existing hardware, retain all hardware for use in subsequent steps, unless otherwise directed. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 10: Static Warning
If necessary to repair equipment containing static sensitive components, wear an appropriately grounded wrist strap, work on a conductive surface, use a grounded soldering iron, and use grounded test equipment. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 11: Fcc Information
The following information is provided here and on a label attached to the outside of the MCA Interface Modem Option (if installed). JACK RINGER EQUIVALENCE FCC REGISTRATION NUMBER RJ-11 0.2A B46USA-22429-MM-E Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 12 This page is intentionally blank. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 13: Customer Documentation Package
SD582140000 T582140000 Optional Integrated LMS System • LMS “System Application Guide”: SAG586505000 • LMS Installation Instructions: Section 5879 • LMS User Instructions: Section 5847 Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 14: Installation Acceptance Checklist
Making any Jumper Adjustment as Required  LMS Eight Input Temperature Circuit Card Installed (if required) and Ground Lead Attached to Frame Ground Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 15  MCA “Power Share” Connections Made (if required)  Connections to Other Systems Made (if required) Installing the Rectifiers and Initially Starting the Power System  Rectifiers Installed Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 16: Placing The Bays And Installing Internal/External Busbars
Remember, the Primary Power/Distribution or Power Only Bay is identified by the MCA as Bay #1, the other bays are numbered consecutively following the bay-to-bay cabling scheme. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 17: Placing And Securing List 1 And List 11 Power/Distribution Bays
Bolt all bays together. Use 1/4” hardware, six places per pair of bays. Use a ground washer in two locations with the 1/4" hardware bolting two bays together. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 18: Placing And Securing List 2 And List 12 Power/Distribution Bays
Remove the rear-most side cover panel as follows: Remove the screws and ground washers securing the side cover panel. Screws are accessible from the rear of the bay through holes in the Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 19 Pivot cover panel into position against side of bay. Install the previously removed screws and ground washers into cover panel from rear of bay. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 20: Placing And Securing List 3, 4, 5, 13, 14, And 15 Power Only Bays
Install shims between bottom of each bay and the floor as required to distribute floor loading. Secure bay(s) to floor using fastening hardware per site requirements. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 21: Placing And Securing List 16, 17, 18, 19, And 22 Distribution Only Bays
Bolt all bays together. Use 1/4” hardware, six places per pair of bays. Use a ground washer in two locations with the 1/4" hardware bolting two bays together. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 22 To do so: Insert tabs on cover panels into slots in bay. Install the previously removed screws and ground washers to secure each cover panel. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 23 0.750 X 2.000 SLOT 3.44 (4 PLACES) 30.00 3/8-16 Floor Leveling Bolts 24.12 2.44 19.62 2.19 24.00 2.19 FRONT Floor Hole Drilling Pattern Power/Distribution Bay Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 24: 0.750 X 2.000 Slot
3/8-16 Floor Leveling Leveling Bolts 24.12 Bolts 2.11 2.44 2.11 2.19 19.62 5.63 2.19 9.85 24.00 FRONT Floor Hole Drilling Pattern Power/Distribution Bay and PDSC Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 25 Figure 3: Floor Mounting Hole Dimensions - Distribution Only Bay (all dimensions in inches) Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 26 Figure 4: Removing Rectifier Mounting Position Blank Cover Panels from Power/Distribution Bay PCU Mounting Position Blank Cover Panels Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 27 Figure 5: Removing Rear Cover Panels from Power/Distribution Bay Rear Cover Panels Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 28 Removing Side Cover Panels from Power/Distribution Bay Side Cover Panels Remove/Install Screws through Front of Bay at TABS these Points Remove/Install Screws through Rear of Bay at these Points Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 29: Front
Removing Front and Rear Cover Panels, and Plug-Button from PDSC (AC Input 'Power Distribution Service Cabinet') Front Cover Panel Rear Upper Cover Panel Remove Plug-Button on all but End Cabinet Rear Lower Cover Panel Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 30 Figure 8: Removing Rear and Side Cover Panels from Distribution Only Bay Side Cover Panels Rear Cover Panels Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 31 Bolt, Lock Washer, Flat Washer, Bay/Cabinet Sides, Bolt, Ground Washer, Bay/Cabinet Sides, Flat Washer, Lock Washer, Nut Ground Washer, Nut Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 32 Bolt, Lock Washer, Flat Washer, Bay/Cabinet Sides, Bolt, Ground Washer, Bay/Cabinet Sides, Flat Washer, Lock Washer, Nut Ground Washer, Nut Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 33 1/2” Belleville Lock Washer, A. Remove rear cover panels. Busbars B. Remove side panels on sides of bays that will be palced next to each other. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 34: Power/Distribution Bay
(securing busbars on Distribution Only Bay) to 200 in-lbs, and 3/8” bolts (securing Distribution Only Bay busbars to Pow er/Distribution Bay negative battery busbar) to 180 in-lbs. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 35 Bolt, Lock Washer, Flat Washer, Bay/Cabinet Sides, Bolt, Ground Washer, Bay/Cabinet Sides, Flat Washer, Lock Washer, Nut Ground Washer, Nut Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 36 Figure 14: Bolting Distribution Only Bays Together Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 37 Bolt, Lock Washer, Flat Wash er, Bay/Cabinet Sides, Bolt, Ground Washer, Bay/Cabinet Sides, Flat Washer, Lock Washer, Nut Ground Washer, Nut Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 38 Figure 16: Bolting Distribution Only Bay to PDSC (AC Input 'Power Distribution Service Cabinet') Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 39 Figure 17: Bolting Distribution Only Bay to PDSC (AC Input 'Power Distribution Service Cabinet') Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 40 Figure 18: Bolting Distribution Only Bay to PDSC (AC Input 'Power Distribution Service Cabinet') Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 41: And Positive Busbar Links
For bays with PDSCs, the busbar link cover shield is installed after all mounting and electrical connection procedures are completed. Repeat these steps for each adjacent bay. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 42 (10 Places per Busbar) NEGATIVE BUSBAR LINK Slide Busbar Links Under Bays' Upright Channels. Use Bolt Holes as Shown in Illustration. Torque to 180 in-lbs. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 43 Use Bolt Holes as Shown in Illustration. Torque to 180 in-lbs. Busbar Link Cover Shield (installed after all mounting and electrical connection procedures are completed) Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 44: Style Bay)
For bays with PDSCs, the busbar link cover shield is installed after all mounting and electrical connection procedures are completed. Repeat these steps for each adjacent bay. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 45 Slide Busbar Links Under Bays' Upright Channels. Torque to 180 in-lbs. List 1 and 11 shown. List 2 and 12 w/ List 30 or 31 similar. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 46: Connecting Power/Distribution Bay Rectifier Mounting Position Ac
Pos. #9 Row of PCU Mtg. Pos. AC Input Connectors PCU Mtg. Pos. #10 Row of PDSC PCU Connectors AC Input Connectors in PDSC Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 47: Installing Power/Distribution Bay External Top-Mount Horizontal Battery Input Busbar Assembly, P/N 554873 (If Furnished)
Assemble the Busbar Kit to the top of the bays as shown in Figure 23 through Figure 30. Refer to Figure 30 for an assembled view. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 48 Do the following first before assembly: 1. Remove 552402 (1) and 116638 (4) from Bay. 2. Mount 554880 to the 554877 with 116638 (3). Assembled View Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 49 (2) 5/8” Hex Nut, P/N 228580900 Leave 1/4” Space Between Bottom of Nut and Top of Bay. (2) 5/8-11 x 7” Threaded Rod, P/N 334317000 Rear Top of Bay Assembled View Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 50 Belleville Washer Install between Hext Nut and Flat Washer. Mount 554876 to the 554875. Hardware: 214204100 (4) 214825000 (4) 228567100 (4) Assembled View Rear Top of Bay Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 51 Flat Washer. (1) Horizontal Landing Negative Busbar, P/N 514434 Note: Apply Electrical Anti-Oxidation Compound to Busbar Mating Surfaces. Rear Top of Bay Assembled View Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 52 (2) 5/8-11 x 1-1/4" Threaded Rod, P/N 334315700 (2) Threaded Insulator, P/N 245857200 Hand-Tighten (2) 5/8-11 x 1-1/2" Threaded Rod, P/N 334315900 Rear Top of Bay Assembled View Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 53 Note: Concave Side of Belleville Washer Faces Busbar, Convex Side Faces Bolt Head. Belleville Washer install between Bolt Head Rear Top and Flat Washer. of Bay Assembled View Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 54 Power/Distribution Bay External Top-Mount Horizontal Busbar Assembly (P/N 554873) Assembly Procedure Step 7 STEP 7 Final Torque Rear Top of Bay Torque these connections to 180 in-lbs (20 places). Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 55 Figure 30: Power/Distribution Bay External Top-Mount Horizontal Busbar Assembly (P/N 554873) Assembled Views Assembled View from Rear of Bay Assembled View from Front of Bay Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 56: 528482 (If Furnished)
3/8-16 x 7/8" Bolt, P/N 227646700 (one per side) Torque to 143 in-lbs. Assembled Views P/N 528482 Shield Kit P/N 554873 Busbar Support Bar Assembly Shield Lip Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 57: Installing Power/Distribution Bay External Top-Mount Ground
IF YOU ARE ALSO INSTALLING "LOAD RETURN LUG EXTENSION BUSBAR ASSEMBLY" P/N 514543, DO NOT PERFORM STEP 3 (Installing Cover Mounting Standoffs) AND STEP 4 (Installing Covers) OF THIS PROCEDURE. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 58 (1) 5/8" Flat Washer, P/N 214201300 (1) 5/8" Lock Washer, P/N 215111800 (1) 5/8-11 x 1" Bolt, P/N 2 27655100 Torque to 715 in-lbs. Assembled View Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 59 Belleville Washer install between (6) 3/8" Belleville Washer Bolt Head and Flat Washer. P/N 214825000 (6) 3/8-16 x 1-1/4" Bolt Torque to 180 in-lbs. P/N 227646800 Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 60 Power/Distribution Bay External Top-Mount Ground (Load Return) Busbar Assembly (P/N 514688 or 514689) Assembly Procedure Step 2B STEP 2B Install "Busbars". (Bolt Hole Identification) Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 61 Kit P/N 554873 Assembled Views No Spacer Busbars or Spacer Insulators. Busbars of Adjacent Assemblies 'Sandwich' and Bolted Together. Previously Assembled Kit P/N 554873 Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 62 DO NOT PERFORM THIS STEP if you are going to install "Load Return Lug Extension Busbar Assembly" P/N 514543 Use These Holes Assembled View Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 63 DO NOT PERFORM THIS STEP if you are going to install "Load Return Lug Extension Busbar Assembly" P/N 514543 Rear of Bay Assembled View Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 64 Power/Distribution Bay External Top-Mount Ground (Load Return)Busbar Assembly (P/N 514688, 514689, 514690, and 514691) Assembled Views Assembled Views P/N 514688 Assembled Views P/N 514689 Assembled Views P/N 514690 Assembled Views P/N 514691 Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 65 P/N 514688 or 514689 P/N 554873 Front View Busbar Assembly Assembled on Top of Bays (List 1 and 11 Bays) P/N 514690 or 514691 P/N 554873 Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 66 Figure 45 for assembled views. Note that these Busbar Kits require "External Top-Mount Horizontal Battery Input Busbar Assembly", P/N 554873. These Busbar Kits attach to the P/N 554873 Busbar Kit. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 67 (1) 5/8" Flat Washer, P/N 214201300 (1) 5/8" Lock Washer, P/N 215111800 (1) 5/8-11 x 1" Bolt, P/N 227655100 Torque to 715 in-lbs. Assembled View Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 68 Belleville Washer install between (6) 3/8" Belleville Washer Bolt Head and Flat Washer. P/N 214825000 (6) 3/8-16 x 1-1/4" Bolt Torque to 180 in-lbs. P/N 227646800 Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 69 For multiple bays, use "Spacer Busbars" and move out to 'bridge' between busbars of both Assemblies (see Assembled View). Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 70 For multiple bays, use "Spacer Busbars" and move out to 'bridge' between busbars of both Assemblies. Previously Assembled Kit P/N 554873 Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 71 DO NOT PERFORM THIS STEP if you are going to install "Load Return Lug Extension Busbar Assembly" P/N 514543 Use These Holes Assembled Views Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 72 (2) 1/4" Flat Washer, P/N 2 14110100 Torque to 45 in-lbs. (2) 10-32 Lock Nut, P/N 104564 (2) 10-32 x 3/4" Tap Screw, P/N 218706500 Rear of Bay Assembled View Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 73: Return) Busbar Assembly; P/N 514688, 514689, 514690, Or 514691
Figure 53 for assembled views. Note that this Busbar Kit requires "External Top-Mount Ground (Load Return) Busbar Assembly" P/N 514688, 514689, 514690, or 514691. This Busbar Kit attaches to the P/N 514688, 514689, 514690, and 514691 Busbar Kits. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 74 Previously Assembled Kit P/N 554873 Front Top Note: Concave Side of Belleville of Bay Washer Faces Busbar, Convex Side Faces Bolt Head. Assembled View Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 75 (24*) 3/8-16 Nut, P/N 228567100 Torque to 300 in-lbs. Previously Assembled Kit P/N 514688 or 514689 Previously Assembled Kit P/N 554873 Front Top of Bay Assembled View Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 76 The following parts are not used: (2) 1/4-20 x 1/2" Bolt (P/N 227640200), (2) 1/4" Lock Washer (P/N 215111100), (2) 1/4" Flat Washer (P/N 214110100) Assembled View Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 77 Front Top of Bay Previously Assembled Kit P/N 554873 Note: Concave Side of Belleville Washer Faces Busbar, Convex Side Faces Bolt Head. Assembled View Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 78 (24*) 3/8-16 Nut, P/N 228567100 Torque to 300 in-lbs. Previously Assembled Kit P/N 514690 or 514691 Front Top Previously Assembled of Bay Kit P/N 554873 Assembled View Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 79 The following parts are not used: (2) 1/4-20 x 1/2" Bolt (P/N 227640200), (2) 1/4" Lock Washer (P/N 215111100), (2) 1/4" Flat Washer (P/N 214110100) Assembled View Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 80 P/N 514690 or 514691 P/N 554873 Busbar Assembly Assembled on Top of Bays (List 2 and 12 Bays w/ List 30 or 31 PDSC) Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 81 Figure 53: Power/Distribution Bay Load Return Lug Extension Busbar Assembly (P/N 514543) Assembled on Top of Bays Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 82: Installing Power/Distribution Bay External Top-Mount Vertical Battery Input Busbar Assembly, P/N 554874 (If Furnished)
NOTE! Apply electrical anti-oxidation compound to mating surfaces of busbars before connecting together. Assemble the Busbar Kit to the top of the bays as shown in Figure 54 through Figure 61. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 83 (12) 3/8” Belleville Washer, P/N 214825000 (12) 3/8-16 Hex Nut, P/N 228567100 Hand-tighten only. Note: Concave side of Bellville washer faces busbar; convex side faces hex nut. Assembled View Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 84 (2) 5/8” Hex Nut, P/N 228580900 Leave 1/2” space between bottom of nut and top of bay. (2) 5/8-11 x 7” Threaded Rod, P/N 334317000 Rear Top of Bay Assembled View Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 85 Note: Concave side of Belleville washer faces busbar; convex side faces hex nut. Mount 554876 to the 554875. Hardware: 214204100 (4) 214825000 (4) Assembled 228567100 (4) View Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 86 (1) Vertical Landing Negative Busbar, P/N 548000 Note: Apply electrical anti-oxidation compound to busbar mating surfaces. Rear Top of Bay Assembled View Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 87 (2) 5/8-11 x 1-1/4” Threaded Rod, P/N 334315700 (2) Threaded Insulator, P/N 245857200 Hand-tighten only. (2) 5/8-11 x 1-1/2” Threaded Rod, P/N 334315900 Rear Top of Bay Assembled View Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 88 (2) 5/8” Lock Washer, P/N 215111800 (2) 58” Flat Washer, P/N 214201300 (1) Vertical Landing Positive Busbar, P/N 548003 Rear Top of Bay Assembled View Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 89 Power/Distribution Bay External Top-Mount Vertical Busbar Assembly (P/N 554874) Assembly Procedure Step 7 STEP 7 Final Torque Rear Top of Bay Torque these connections to 180 in-lbs (20 places). Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 90 Install Shield (2) Standoff Insulator, P/N 117843 (1) Plastic Shield, P/N 548002 (4) 14-20 x 3/8” Pan Head Tap Screw, P/N 218708200 Assembled View Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 91: Installing Distribution Only Bay External Top-Mount Ground (Load Return) Busbar Assembly; P/N 528775 (If Furnished)
NOTE! Apply electrical anti-oxidation compound to mating surfaces of busbars before connecting together. Assemble the Busbar Kit to the top of the bays as shown in Figure 62. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 92 Figure 62: Distribution Only Bay External Top-Mount Ground (Load Return) Busbar Assembly (P/N 528775) Assembly Procedure Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 93: Installing Distribution Only Bay External Top-Mount Ground (Load Return) Extension Busbar Assembly; P/N 528780 (If Furnished)
NOTE! Apply electrical anti-oxidation compound to mating surfaces of busbars before connecting together. Assemble the Busbar Kit to the top of the bays as shown in Figure 63 and Figure 64. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 94 Figure 63: Distribution Only Bay External Top-Mount Ground (Load Return) Extension Busbar Assembly (P/N 528780) Assembly Procedure Step 1 Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 95 Figure 64: Distribution Only Bay External Top-Mount Ground (Load Return) Extension Busbar Assembly (P/N 528780) Assembly Procedure Step 2 Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 96: Installing Distribution Devices And Mca/Lms Circuit Cards
Place a flat washer, lock washer, and 1/4-20 nut on each outer stud. Hand-tighten. Torque the inner 3/8-16 nuts to 180 in-lbs. Torque the outer 1/4-20 nuts to 84 in-lbs. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 97 Ensure an alarm fuse is installed in the GMT-type fuseholder located adjacent to the TPL fuseholder. The alarm fuse should be a Bussmann GMT 18/100 ampere alarm fuse. Vertiv P/N 248610301. Ensure a safety fuse cover is installed on the GMT alarm fuse. Vertiv P/N 248898700.
Page 98 Recording Fuse and Circuit Breaker Sizes Record all fuse and circuit breaker sizes installed on the cards provided on the MCA Distribution Bus Monitoring circuit card hinged panels. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 99 TPL Fuseholders 218 Circuit Breakers 2-Pole 3-Pole 1-Pole 2-Pole 3-Pole 4-Pole Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 100 REFER TO DISTRIBUTION DEVICES ILLUSTRATIONS Front View FOR PROPER LOAD LUG ADAPTER SELECTION NOTE THAT BULLET NOSE-TYPE DEVICE MOUNTING ASSEMBLIES DO NOT REQUIRE LOAD LUG ADAPTER PLATES Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 101 Figure 67: Installing 218 Circuit Breakers and TPL Fuseholders into Distribution Only Bays Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 102 Position #43 Position #30 to Distribution: to Distribution: Bus #4 Bus #3 Position #48 Position #25 Load Lug and/or Load Lug Adapter Kit Mounting Locations Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 103 Lug Adapter Kit P/N 534420 2-Position Lug Adapter Kit P/N 529132 NOTE THAT 1-POLE 218 CIRCUIT BREAKERS DO NOT REQUIRE LOAD LUG ADAPTER PLATES Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 104 Note: Apply Electrical Anti-Oxidation Note: Concave Side of Belleville Washer Faces Busbar, Compound to all Busbar Convex Side Faces Bolt or Nut. Mating Surfaces. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 105 Note: Apply Electrical Anti-Oxidation Note: Concave Side of Belleville Washer Faces Busbar, Compound to all Busbar Convex Side Faces Bolt or Nut. Mating Surfaces. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 106 Note: Apply Electrical Anti-Oxidation Note: Concave Side of Belleville Washer Faces Busbar, Compound to all Busbar Convex Side Faces Bolt or Nut. Mating Surfaces. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 107 7. Bay busbars are not part of the kit, shown for illustration only. 8. Two (2) kits shown for illustration of the kit installed on busbars with tops even with each other and staggered. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 108 7. Bay busbars are not part of the kit, shown for illustration only. 8. Two (2) kits shown for illustration of the kit installed on busbars with tops even with each other and staggered. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 109 7. Bay busbars are not part of the kit, shown for illustration only. 8. Two (2) kits shown for illustration of the kit installed on busbars with tops even with each other and staggered. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 110 7. Bay busbars are not part of the kit, shown for illustration only. 8. Two (2) kits shown for illustration of the kit installed on busbars with tops even with each other and staggered. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 111 Alarm Fuse Fuse & GMT-X Longer side Bullet Nose Device Safety Fuse Cover to the Mounting Assembly, bottom. P/N 513747 Bullet Nose-Type Fuseholder, P/N 117201 Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 112 Safety Fuse Cover Longer side to the Toggle Rocker bottom. Longer side Handle Handle Bullet Nose-Type to the Breaker Breaker Fuseholder, bottom. P/N 117201 Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 113: Installing Mca And Lms Circuit Cards
Circuit cards can be identified through two methods as described below. The Vertiv part number printed on the outside of the shipping carton. The Vertiv part number silkscreened on the component side of the circuit card. Installing LMS Circuit Cards Refer to the separate LMS Installation Instructions (Section 5879) for a procedure to install LMS CPU, LMS Modem, and LMS Input/Output (I/O) circuit cards.
Page 114 Save several of the static protective bags that the circuit cards were shipped in. If a circuit card is ever required to be removed from the system, it should immediately be placed in a static protective bag. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 115 Optional LMS Monitoring System Circuit Card Main CPU Circuit Card (Primary Bay) or Retaining Angle Expansion CPU Circuit Card (Secondary Bays) Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 116 MCA I/O Circuit Card P/N 524550 Install in any position in seven-slot card cage in any bay. Component side faces left as viewed from the front. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 117: Making Electrical Connections
For operation in countries where the NEC is not recognized, follow applicable codes. For field wiring, use wires suitable for at least 75°C. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 118: Mca Network Interconnections Between Bays
Secondary Power/Distribution or Power Only Bay and Distribution Only Bay, or which order you connect Secondary Power/Distribution or Power Only Bays and Distribution Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 119 Only Bays. Just remember, DO NOT use both connectors on the Primary Power/Distribution or Power Only Bay. If no other connections are required within the bays, close all bays' front doors. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 120 Connector Connector Connector Connector Connector Connector (for Left (for Right (for Left (for Right (for Left (for Right Expansion) Expansion) Expansion) Expansion) Expansion) Expansion) Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 121: And Control Section
If furnished, connect the MCA Battery Charge Digital Temperature Compensation Probe to the connector labeled TEMP located in the Primary Power/Distribution or Power Only Bay. Refer to Figure 77 for location. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 122: Mca Battery Charge Digital Temperature Compensation Probe
AND CONTROL SECTION MCA Battery Charge Digital Temperature Compensation Probe Connector External (Primary Bay Only) CAN BUS Port Battery Charge Digital Temperature Compensation Probe Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 123: I/O Circuit Card Connections
With the Test loop closure still applied, apply the Emergency Stop loop closure. Verify MCA displays EMERGENCY STOP INPUT IS ON. Release the Emergency Stop loop closure. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 124 Wires are connected to the terminals by inserting the stripped wire into the wire opening, and then tightening the screw. The wires should be checked for proper installation by gently attempting to pull the wires from the Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 125 (using 22 gauge twisted hook-up wire). Loop length is the sum of the lengths of the positive and negative leads. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 126 MCA I/O circuit card (P/N 524550). Connect the ORANGE wire (Suppression Assembly B - NC) to terminal 4 of TB1 located on the MCA I/O circuit card (P/N 524550). Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 127 OPERATING PROCEDURES" section in Section 5877. Note that a Surge Suppression Alarm is active when there is NO AC power, and resets when AC power is supplied. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 128: Mca External Alarm, Reference, And Control Connections And Mca
MCA Circuit Card (Primary Bay) (See Detail A) Seven-Slot Card Cage for MCA Circuit Cards and/or LMS I nput/Output (I/O) Circuit Cards. (See Detail B) Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 129 Test Emergency and Meter Reading*) Equalize Input** Stop (ESTOP) -VSense +VSense Fuse @ 1-1/3 Amps MCA Circuit Card P/N 509478 Detail A (Primary Bay) Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 130 * 0-50 mv DC Shunt Input ** 0-50 mv DC Output for Remote Plant Output Current Monitoring B1*** *** Dry Contacts, Circuit Closure to Activate Alarm Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 131 Figure 79: Default MCA Customer Alarm Relay Assignments Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 132 1 System CB/Fuse Alarm, 2+ Circuit Breaker / Fuse Alarm 7 and 3 System CB/Fuse Alarms System Battery Battery on Discharge Alarm 7 and 3 on Discharge Alarm Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 133 AC Power is Off to 1 PCU 5 and 1 Controller (MCA) Failure, MCA Fail Alarm 5 and 1 Controller Initializing Undefined 5 and 1 Undefined Undefined Undefined Undefined Undefined Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 134 Total Distribution Load Alarm, Distribution Group A Load Alarm, Distribution Group B Load Alarm, Monitoring Does Not Respond, Display Does Not Respond, All LMS LED Channels Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 135 Alarm, Distribution Group A Load Alarm, Distribution Group B Load Alarm, Monitoring Does Not Respond, Display Does Not Respond, All LMS LED Channels, All PCU's AC Fail Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 136 MCA Main Alarm Menu (and scroll on Line 1 of the MCA Display). These conditions also activate the Audible Alarm. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 137: Lms Connections (If Lms Furnished)
If the LMS is used with a Security Adapter Unit (SAU), refer to the SAU instruction manual (IM58214000074) for proper (LMS and SAU) network settings, SAU operation, etc. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 138 LMS Input/Output (I/O) Circuit Cards LMS RS-485 Port LMS CPU/Hardware (See Detail D) Fail Alarm Connector LMS Network Ports (See Detail C) (See Det ail B) Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 139 If required to connect to a serial port, disconnect the factory plug to the “USB to RS-232 Port Adapter Unit” and connect to this plug. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 140 (BLUE Cable) (BLUE Cable) LMS Network Cable LMS NETWORK PORT (BLUE Cable) Typical Interconnections LMS Network Cable (BLUE Cable) LMS Expansion Assembly LMS Expansion Assembly Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 141 C = Common Relay contacts are energized NO = Normally Open during normal operation and External de-energized during an alarm CPU/Harware Fail Alarm condition. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 142 8-Input 4-Output 4-Input Analog Analog Analog Temperature Binary Relay Binary (P/N 506336) (P/N 514528) (P/N 520838) (P/N 506333) (P/N 506334) (P/N 506335) (P/N 506332) Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 143 Pre-assembled cables are available. Refer to System Application Guide SAG582140000 for P/N's. Refer to "LMS Network Cable Assembly Instructions" in this section to assemble your own cable. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 144 Connect the other end of the cable to the optional LMS Expansion Assembly. Connect all optional LMS Expansion Assemblies into the LMS Network in this fashion. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 145 The recommended cable is a category 5, four twisted pair conductor, 24 gauge solid copper cable. Vertiv Part No. 156202100. Belden Part No. 1585AD15. If this cable is ordered through Vertiv, specify the required length in 5 feet increments.
Page 146 Figure 81: RJ-45 Plug Rear View Isometric View Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 147: Bay Frame Grounding Connections
1/4" bolt clearance holes Top View on 5/8" centers Power/Distribution Bay Shown, Power Only Bay Similar Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 148 Top View Distribution Only Bay Recm. Torque 1/4” Hardware using Belleville Lock Washer 60 in-lbs. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 149: Load Connections
These busbars are provided with clearance holes for installation of customer provided two hole lugs. Customer must supply lug mounting bolts and hardware. Refer to Figure 85. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 150 Front View and lock washer, 0.625" 300 in-lbs. 1/4-20 Studs Load Lug and/or Load Lug Adapter Plate and Hardware Mounting Location Dimensions Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 151 Recm. Torque 3/8" Hardware using Belleville Lock Washer, 180 in-lbs. 3/8" Hardware using flat washer and lock washer, 300 in-lbs. Top Front of Bay Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 152 Internal Ground Busbar Internal Ground Busbar Assembly P/N 554862 Assembly P/N 555214 Internal Ground Busbar Assembly P/N 554862 Internal Ground Busbar Assembly P/N 555214 Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 153 The kit also contains 3/8" mounting hardware. Load Return Side Load return leads are terminated outside the bay to customer provided return busbars. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 154 300 in-lbs 2-Position 3-Position 4-Position Lug Adapter Kit Lug Adapter Kit Lug Adapter Kit P/N 529132 P/N 529131 P/N 534420 Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 155 Bolt length: 3/4". Recm. Torque 1/4" Hardware using Belleville Lock Washer, 60 in-lbs 1/4" Hardware using flat washer and lock washer, 84 in-lbs Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 156 The terminal block accepts a wire size in the range of 24 to 14 AWG. Recommended torque is 5.0 in-lbs. 30A MAXIMUM CAPACITY PER BLOCK. SEE SAG582140000 FOR ADDITIONAL RESTRICTIONS Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 157 P/N 509128 GMT Module P/N 509128 Load Return Connections -48V Load Connections Wire Size 24 to 14 AWG. Torque 5.0 in-lbs. F1 thru F10 Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 158: Ac Input And Ac Input Ground Connections
Conduit fittings should be installed, and AC input and AC input grounding conductors should be routed into the cabinet through these openings. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 159 AC input ground leads to these studs using customer supplied one-hole lugs. When lugs are secured using 1/4-20 hardware, recommended torque is 84 in-lbs when a standard flat washer and lock washer are used. Replace the terminal access panel. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 160 1/4" hardware, 84 in-lbs. PCU #1 PCU #2 PCU #3 PCU #4 PCU #5 PCU #6 PCU #7 PCU #9 PCU #10 Front View Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 161 PDSC, slide the cover panel down and secure by tightening the screws. Use the supplied grounding washers at the top left and bottom right locations. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 162 PDSC, slide the cover panel down and secure by tightening the screws. Use the supplied grounding washers at the top left and bottom right locations. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 163 AC Input Service Cabinet Ensure that each bay is wired into the PDSC as detailed in "Chapter 2. Placing the Bays and Installing Internal/External Busbars". Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 164 AC Input Service Cabinet Ensure that each bay is wired into the PDSC as detailed in "Chapter 2. Placing the Bays and Installing Internal/External Busbars". Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 165 When lugs are secured using 3/8 inch hardware; recommended torque is 180 in-lbs when a Belleville lock washer is used, and 300 in-lbs when a standard flat washer and lock washer are used. Close the bay’s front door. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 166 1" Centers) Rectifier #1 Rectifier #2 Rectifier #3 Rectifier #4 Rectifier #5 Rectifier #6 Rectifier #7 Rectifier #8 Rectifier #9 Rectifier #10 Front View Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 167 When lugs are secured using 3/8 inch hardware; recommended torque is 180 in-lbs when a Belleville lock washer is used, and 300 in-lbs when a standard flat washer and lock washer are used. Close the bay’s front door. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 168 Clarity Only Rectifier #1 Rectifier #2 Rectifier #3 Rectifier #4 Rectifier #5 Rectifier #6 Rectifier #7 Rectifier #8 Rectifier #9 Rectifier #10 Front View Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 169 1/4 inch hardware, recommended torque is 84 in-lbs when a standard flat washer and lock washer are used. Close the bay’s front door. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 170 Clarity Only Rectifier #1 Rectifier #2 Rectifier #3 Rectifier #4 Rectifier #5 Rectifier #6 Rectifier #7 Rectifier #8 Rectifier #9 Rectifier #10 Front View Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 171: Battery Connections
The System's Positive Battery Busbar must be grounded. Refer to the National Electrical Code, applicable local codes, and your specific site requirements for grounding specifications. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 172 NEGATIVEBATTER Y (SUPPLY-48V) Recm. Torque 3/8" Hardware using Belleville Lock Washer 180 in-lbs, using flat washer and lock washer 300 in-lbs. Rear of Bay Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 173 (SUPPLY -48V) Top Rear of Bay Recm. Torque 3/8" Hardware using Belleville Lock Washer 180 in-lbs, using flat washer and lock washer 300 in-lbs. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 174 180 in-lbs when a Belleville lock washer is used, and 300 in-lbs when a standard flat washer and lock washer are used. Refer to Figure 98 for battery landing locations. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 175 The System's Positive Battery Busbar must be grounded. Refer to the National Electrical Code, applicable local codes, and your specific site requirements for grounding specifications. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 176 Battery Connection to Rear of Distribution Only Bay 3/8" Clearance Hole (22) 2.031" DC Input (Supply -48V) 1.00" 1.00" 1.00" 1.00" 1.00" 1.00" 1.00" 1.00" Rear View Distribution Bay Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 177: Re-Install Shields And Cover Panels
Use the supplied grounding washers at the top left and bottom right locations. For bays with PDSCs, install the bay-to-bay busbar link cover shield. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 178: Mca "Alternate Current Limit" Feature
An external signal must be provided to indicate to the MCA to place the rectifiers in the “Alternate Current Limit” mode. The signal must be wired to binary input #4 of the MCA I/O circuit card. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 179: Mca "Power Share" Feature
• The remote sense, if used, of both the new and Existing Power System’s must be connected to the same point. • If batteries are used, they must be of the same type. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 180 If battery disconnect units (BDUs) are used on the new or Existing Power System, these shall be wired in such a way as to be all triggered simultaneously in order to prevent any overloading of these. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 181 Output.” The LMS updates the MCA with the calculated value for the configured program line. The MCA looks for a value on LMS Function Channel #64 and adds that to the internally calculated total Rectifier load. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 182 After the “Power Share” cabling is completed, refer to the User Instructions (Section 5877) to program the “Power Share” feature. Also verify the operation of the “Power Share” feature as described in the User Instructions (Section 5877). Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 183: Connecting The 582140000 System To Other Systems
NOTE! DGU communication is a telnet gateway through the LMS to the DGU. It IS NOT communication between the DGU and the LMS. Alarms in the DGU cannot be recognized by the LMS unless they are individually hard wired. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 184 P/N 526842 (25') P/N 526843 (50') MCA Panel in a 582121100 Power Bay or 582121900 Distribution Bay or 582121901 Distribution Bay (RS-485 Option Installed) Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 185 Connect the LMS in the 582140000 System to the MCA in the Vortex Power System (connect cable from the LMS RS-485 connector in the 582140000 System to the RS-485 connector on the MCA option in the Vortex Power System). Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 186 Dual MCA Option Cable P/N 526842 (25') P/N 526843 (50') MCA in PCU Intelligence Shelf of a Medium Vortex Power System (RS-485 Option Installed) Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 187 If an LMS1000 is installed in the Vortex Power System and contains I/O cards, replace the Main LMS CPU card with an Expansion LMS CPU Card (P/N 506153), and connect the LMS1000 to the LMS network in the 582140000 System. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 188 LMS1000 in Vortex Power System Dual MCA Option Cable P/N 526842 (25') P/N 526843 (50') MCA in Distribution Cabinet of a Medium Vortex Power System (RS-485 Option Installed) Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 189 Update the LMS Function Channel 0064 program line to sum the analog inputs used in Step 1) for rectifier shunts. Update the LMS LED Channel 0007 program line to include the binary inputs used in Step 3). Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 190 Fuse Panel Distribution Shunt to LMS Analog Card (58650550020) Leads in 582140000 System -48V FA to LMS Binary Card (58650550031) Lead in 582140000 System Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 191: Installing The Rectifiers And Initially Starting The Power System
Install the Rectifier into the bay by sliding it evenly into its mounting position. Secure the Rectifier to the bay by tightening the captive fasteners on the Rectifier. Perform steps 1) and 2) for each Rectifier to be installed. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 192: Setting Switch S1 On The Mca Circuit Card In The Primary Power/Distribution Or Power Only Bay
Distribution Bus Monitoring Circuit Card has the jumper removed, that distribution bus is designated as B. Those that have the jumper remaining (installed) are designated as A. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 193 (behind panel) Bus #2 Monitoring Circuit Card (behind panel) SYSTEM MONITORING AND CONTROL SECTION MCA Circuit Card (Primary Bay) Router Circuit Card (Secondary Bay) Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 194 Circuit Card Switch and Jumper Option Locations (cont’d from previous page, cont'd on next page) Distribution Only Bay Distribution Bays Front Door Removed in Illustration for Clarity Distribution Bus Monitoring Circuit Card Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 195 Circuit Card Switch and Jumper Option Locations (cont’d from previous page) ON = UP 1 2 3 4 MCA CIRCUIT CARD (P/N 509478) (PRIMARY BAY) MCA DISTRIBUTION BUS MONITORING CIRCUIT CARD (P/N 524982) Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 196: Initially Starting, Configuring, And Checking System Operation
In the following procedures, all controls and indicators are located on the MCA Local Control Panel, unless otherwise indicated. The MCA Local Control Panel is located on the front of the Primary Power/Distribution or Power Only Bay. See Figure 106. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 197 FRONT DOOR the “USB to RS-232 Port Adapter (PRIMARY POWER/DISTRIBUTION AND POWER ONLY BAYS) Unit” and connect to this plug. MCA CONTROL PANEL AND DISPLAY Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 198 The symbols that appear at the end of the fourth line of the display indicate which keypad buttons can be pressed at any given time. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 199 Confirming the Change YES / + / i. To reject the change, at the "ARE YOU SURE?" prompt NO / - press NO / -. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 200 Relay # w/in Card Relay # (see illustration in System Overview Fifth Bay, Relay Card Section) in Seventh Slot, Relay Six on Card 5-7-6 Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 201 Mounted in Position number is the left most mounting position. Twenty-Six, Bus 2 Set for B Designation Plug-In 5-26B Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 202 Fuse 6-13 number is the left most mounting position. Note: The optional bullet-device fuse panel is displayed as MISC 50-73. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 203: Initial Startup Preparation
Display the next or previous entry using the FUNCTION SELECT UP or DOWN arrow key. Repeat this procedure for each entry presented. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 204 Distribution Group A Load Current = aaaaaA Alarm set point. Allows you to change the DISTRIBUTION GROUP B Distribution Group B Load Current = aaaaA Alarm set point. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 205 NO / - when in the change setting AUDIBLE ALARMS STAY mode to scroll to AUDIBLE SILENCED ALARMS STAY SILENCED (displayed when you scroll down to "zero minutes"). Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 206 Test/Equalize mode. Note: Test/Equalize Mode requires Power Share to be turned off. A message is displayed if Power Share is on. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 207: Checking The Inventory And Setting The Number Of Pcu (Rectifier) Positions Available In The System
With SYSTEM OK being displayed on the MCA Interface Pad, press and release the FUNCTION SET ENTER key. Repeatedly press and release the FUNCTION SELECT DOWN arrow key until VIEW THE SYSTEM INVENTORY is displayed. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 208: Setting The Date And Time
Press FUNCTION SET ENTER key. Hour is underlined. Press FUNCTION SET YES (+) and NO (-) keys to change the hour. Press FUNCTION SET ENTER key. Minutes is underlined. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 209: Setting The Temperature Units (Degrees C Or Degrees F)
DEFINE RELAY FUNCTION A# is displayed. Press and release the FUNCTION SELECT DOWN and UP arrow keys to select the Relay Function Channel to be defined. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 210 Press the FUNCTION SELECT UP and DOWN arrow keys to select the desired Relay Function Number. Press and release the FUNCTION SET ENTER key. “ARE YOU SURE?” is displayed. Press and release the FUNCTION SET YES (+) key. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 211: Setting Mca I/O Circuit Card Parameters
CHANGE I/O BOARD PARAMETERS is displayed. Press and release the FUNCTION SET ENTER key. Navigate the I/O BOARD CONFIGURATION MENU to set… any analog input to show up in the DISTRIBUTION or AUXILIARY menus, Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 212: Test/Equalize
Press and release the ALARM CUTOFF and FUNCTION SET ENTER keys simultaneously. “ARE YOU SURE?” is displayed. Press and release the FUNCTION SET YES (+) key. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 213 Press and release the ALARM CUTOFF and FUNCTION SET ENTER keys simultaneously. “ARE YOU SURE?” is displayed. Press and release the FUNCTION SET YES (+) key. Requirement: System output voltage goes to the test/equalize setting. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 214: Checking High Voltage Shutdown
Press and release the FUNCTION SET ENTER key. Repeatedly press and release the FUNCTION SELECT DOWN arrow key until TEST H.V. SHUTDOWN = vv.vvV is displayed. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 215: Checking Remote High Voltage Shutdown And Rectifier Emergency
Requirement: Verify MCA displays EMERGENCY STOP INPUT IS ON. Release the Emergency Stop loop closure. With the Test loop closure still applied, apply the High Voltage Shutdown loop closure. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 216: Checking Remote High Voltage Shutdown
Remove the emergency shutdown and fire alarm disconnect signal from the system, and on each Rectifier place the Standby/Operate switch to the "standby" position and then back to the I "operate" position. Requirement: The Rectifiers are restored. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 217: Checking Remote Test/Equalize
Requirement: MCA ALARM CUTOFF indicator goes out. Return the Standby/Operate switch on the Rectifier to the I "operate" position. Requirement: External MCA audible alarm silences. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 218: Checking Ac Fail Alarm
Checking Rectifier Fail Alarm Procedure Place the Standby/Operate switch on a Rectifier installed in the system to the "standby" position. Requirement: Rectifier “AC” indicator goes out. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 219: Checking System High Voltage Alarm 1
Press and release the FUNCTION SET ENTER key. “ARE YOU SURE?” is displayed. Press and release the FUNCTION SET YES (+) key. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 220: Checking System High Voltage Alarm 2
With SYSTEM HIGH VOLTAGE #2 ALARM being display in the ALARM ADJUSTMENT MENU, press and release the ALARM CUTOFF and FUNCTION SET ENTER keys simultaneously. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 221: Checking System Battery Is On Discharge Alarm
Press and release the FUNCTION SET ENTER key. “ARE YOU SURE?” is displayed. Press and release the FUNCTION SET YES (+) key. Requirement: MCA “MAJOR” indicator goes out. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 222: Checking Very Low Voltage Alarm
Requirement: External alarms reset (if configured). Press and release the FUNCTION SET YES (+) and NO (-) keys simultaneously, to return to the beginning of the MCA menu tree. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 223: Checking Total Distribution Load Alarm
Requirement: External alarms reset (if configured). Press and release the FUNCTION SET YES (+) and NO (-) keys simultaneously, to return to the beginning of the MCA menu tree. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 224: Checking Distribution Group A Load Alarm
Requirement: External alarms reset (if configured). Press and release the FUNCTION SET YES (+) and NO (-) keys simultaneously, to return to the beginning of the MCA menu tree. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 225: Checking Distribution Group B Load Alarm
Requirement: External alarms reset (if configured). Press and release the FUNCTION SET YES (+) and NO (-) keys simultaneously, to return to the beginning of the MCA menu tree. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 226: Checking Fuse Alarm/Circuit Breaker Alarm
Requirement: The distribution panel's "CBA/FA" indicator goes out. Requirement: MCA “MAJOR” indicator goes out. Requirement: MCA displays SYSTEM OK message. Requirement: External alarms reset (if configured). Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 227: Checking Metering Functions
Repeatedly press and release the FUNCTION SELECT DOWN arrow key to display individual load currents of any MCA I/O circuit card set as DISTRIBUTION. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 228 Requirement: Temperature sensor (if installed) temperature is displayed. Press and release the FUNCTION SET YES (+) and NO (-) keys simultaneously, to return to the beginning of the MCA menu tree. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 229: Checking System Status
Requirement: Status indicator located on the following circuit cards green. MCA/Router circuit card MCA Distribution Bus Monitoring circuit cards LMS CPU circuit card (if installed) MCA Customer Alarm Relay circuit card (if installed) Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 230: Checking And Configuring The Lms System
Router circuit card MCA Distribution Bus Monitoring circuit cards Checking and Configuring the LMS System Refer to the separate LMS Installation Instructions (Section 5879). Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 231 This page is intentionally blank. Vertiv™ | NetSure™ 802 Series -48 VDC Power System Installation Manual (Section 5876) | Rev. ZA...
Page 232 Vertiv.com | Vertiv Headquarters, 1050 Dearborn Drive, Columbus, OH, 43085, USA © 2021 Vertiv Group Corp. All rights reserved. Vertiv™ and the Vertiv logo are trademarks or registered trademarks of Vertiv Group Corp. All other names and logos referred to are trade names, trademarks or registered trademarks of their respective owners. While every precaution has been taken to ensure accuracy and completeness here, Vertiv Group Corp.

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