Dell EMC VMAX 250F Site Planning Manual Download Page 89

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CHAPTER 10

Third Party Racking Option for VMAX 250F

This chapter includes:

Computer room requirements, VMAX 250F

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Customer rack requirements, VMAX 250F

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PDU requirements for third party racks, VMAX 250F

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Third Party Racking Option for VMAX 250F

Summary of Contents for EMC VMAX 250F

Page 1: ...EMC VMAX All Flash Site Planning Guide VMAX 250F VMAX 450F VMAX 850F VMAX 950F with HYPERMAX OS REVISION 8 2 ...

Page 2: ...PUBLICATION AND SPECIFICALLY DISCLAIMS IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE USE COPYING AND DISTRIBUTION OF ANY DELL SOFTWARE DESCRIBED IN THIS PUBLICATION REQUIRES AN APPLICABLE SOFTWARE LICENSE Dell EMC and other trademarks are trademarks of Dell Inc or its subsidiaries Other trademarks may be the property of their respective owners Published in the USA EMC C...

Page 3: ...ity and temperature 28 Air volume specifications 28 Temperature altitude and humidity ranges 28 Temperature and humidity range recommendations 28 Air quality requirements 29 Shock and vibration 30 Sound power and sound pressure 30 Hardware acclimation times 31 Optical multimode cables 32 Open systems host and SRDF connectivity 32 Data Center Safety and Remote Support 35 Fire suppressant disclaimer...

Page 4: ... and wiring 74 Single phase 75 Three phase International Wye 80 Three phase North American Delta 83 Three phase Wye Domestic 85 EMC racking for VMAX 250F 87 Two system configurations 88 EMC rack requirements for customer components 88 Third Party Racking Option for VMAX 250F 89 Computer room requirements VMAX 250F 90 Customer rack requirements VMAX 250F 90 PDU requirements for third party racks VM...

Page 5: ...ustomer s electrician onsite 114 Procedure A Task 1 Customer s electrician 115 Procedure A Task 2 EMC Customer Engineer 116 Procedure A Task 2 EMC Customer Engineer VMAX 250F 120 Procedure A Task 3 Customer s electrician 124 Procedure B Verify and connect 125 Procedure C Obtain customer verification 126 PDU labels 126 PDU label part numbers 126 Applying PDU labels VMAX 250F 127 Applying PDU labels...

Page 6: ...CONTENTS 6 Site Planning Guide VMAX 250F VMAX 450F VMAX 850F VMAX 950F with HYPERMAX OS ...

Page 7: ...UIEC3 VMAX 450F VMAX 850F ET PW40UIEC3 VMAX 950F ES PW40UIEC3 VMAX 250F 78 Single phase EF PW40UASTL VMAX 450F VMAX 850F ET PW40UASTL VMAX 950F ES PW40UASTL VMAX 250F 79 Single phase E PW40L730 79 Flying leads three phase international EF PC3YAFLE VMAX 450F VMAX 850F ET PC3YAFLE VMAX 950F ES PC3YAFLE VMAX 250F 81 Three phase international EF PCBL3YAG VMAX 450F VMAX 850F ET PCBL3YAG VMAX 950F ES PC...

Page 8: ...g for VMAX 250F 123 Applying the PDU labels 127 PDU label single phase and three phase 128 Label placement Customer PDU Information 128 Location of cabinet ground lugs 129 42 43 44 45 46 47 48 FIGURES 8 Site Planning Guide VMAX 250F VMAX 450F VMAX 850F VMAX 950F with HYPERMAX OS ...

Page 9: ... options three phase North American Delta 83 Extension cords and connectors options three phase Wye domestic 85 Engine and 2U SPS power requirements 92 25 drive DAE power requirements 93 Power Distribution Equipment C13 Outlet Connections required for 1 V Brick 94 Power Distribution Equipment C13 Outlet Connections required for 2 V Bricks 94 Overhead routing models VMAX 250F 106 Overhead routing m...

Page 10: ...TABLES 10 Site Planning Guide VMAX 250F VMAX 450F VMAX 850F VMAX 950F with HYPERMAX OS ...

Page 11: ...entatives Related documentation The following documentation portfolios contain documents related to the hardware platform and manuals needed to manage your software and storage system configuration Also listed are documents for external components which interact with your array EMC VMAX All Flash Product Guide for VMAX 250F 450F 850F 950F with HYPERMAX OS Provides product information regarding the...

Page 12: ... names of windows dialog boxes buttons fields tab names key names and menu paths what the user specifically selects or clicks Italic Used for full titles of publications referenced in text Monospace Used for l System code l System output such as an error message or script l Pathnames filenames prompts and syntax l Commands and options Monospace italic Used for variables Monospace bold Used for use...

Page 13: ... service request through the https support emc com site you must have a valid support agreement Contact your EMC sales representative for details about obtaining a valid support agreement or to answer any questions about your account Your comments Your suggestions help us improve the accuracy organization and overall quality of the documentation Send your comments and feedback to VMAXContentFeedba...

Page 14: ...ocument architecture for readability Updated wiring configuration diagrams and content for new 2U PDUs Updated power distribution unit recommendations for overhead power August 2016 5 0 In Position Bays chapter removed an incorrect image June 2016 4 0 Added content to support option for 3rd party racks May 2016 3 0 Modified topics to reflect Slot 9 is reserved for compression April 2016 2 0 Update...

Page 15: ...CHAPTER 1 Pre planning tasks This chapter includes l Before you begin 16 l Tasks to review 16 l VMAX All Flash packaging 17 Pre planning tasks 15 ...

Page 16: ...supplied from an independent customer supplied power distribution unit PDU EMC recommends that the customer s electrician be available at the installation site for regular and third party racked arrays Best Practices for AC Power Connections on page 111 provides details For customer supplied third party rack support see the detailed physical requirements in Third Party Racking Option for VMAX 250F...

Page 17: ...rs the redundant data storage processing unit l Flash capacity in Drive Array Enclosures DAEs n VMAX 250F Two 25 slot DAEs with a minimum base capacity of 13TBu n VMAX 450F VMAX 850F Two 120 slot DAEs with a minimum base capacity of 53TBu n VMAX 950F open or mixed systems Two 120 slot DAEs with a minimum base capacity of 53TBu n VMAX 950F mainframe systems Two 120 slot DAEs with a minimum base cap...

Page 18: ...Pre planning tasks 18 Site Planning Guide VMAX 250F VMAX 450F VMAX 850F VMAX 950F with HYPERMAX OS ...

Page 19: ...y and transportation This chapter includes l Delivery arrangements 20 l Pre delivery considerations 20 l Moving up and down inclines 20 l Shipping and storage environmental requirements 21 Delivery and transportation 19 ...

Page 20: ...nsiderations prior to the delivery at your site l Weight capacities of the loading dock tailgate and service elevator if delivery is to a floor other than the receiving floor l Length and thickness of covering required for floor protection l Equipment ramp availability if the receiving floor is not level with computer room floor l Set up the necessary network and gateway access to accommodate EMC ...

Page 21: ...nmental requirements Condition Setting Ambient temperature 40 to 149 F 40 to 65 C Temperature gradient 43 2 F hr 24 C hr Relative humidity 10 to 90 noncondensing Maximum altitude 25 000 ft 7619 7 m Storage time unpowered Recommendation Do not exceed 6 consecutive months of unpowered storage Delivery and transportation Shipping and storage environmental requirements 21 ...

Page 22: ...Delivery and transportation 22 Site Planning Guide VMAX 250F VMAX 450F VMAX 850F VMAX 950F with HYPERMAX OS ...

Page 23: ...ency interference 24 l Power consumption and heat dissipation 25 l Airflow 27 l Air volume air quality and temperature 28 l Shock and vibration 30 l Sound power and sound pressure 30 l Hardware acclimation times 31 l Optical multimode cables 32 Specifications 23 ...

Page 24: ...rform the evaluation of RFI field strength and address the mitigation efforts if high levels of RFI are suspected The ambient RFI field strength is inversely proportional to the distance and power level of the emitting device Recommended minimum distance from RF emitting device The following table provides the recommended minimum distances between EMC arrays and RFI emitting equipment Use these gu...

Page 25: ... C Btu Hr Maximum total power consumption 26 C 35 C kVA Maximum heat dissipation 26 C 35 C Btu Hr Maximum total power consumption 26 C 35 C kVA Maximum heat dissipation 26 C 35 C Btu Hr Maximum total power consumption 26 C 35 C kVA Maximum heat dissipation 26 C 35 C Btu Hr System bay 1 Dual V Brick 4 13 5 19 14 090 17 698 6 69 9 05 22 813 30 861 6 94 9 30 23 665 31 713 7 25 9 61 24 712 32 760 Syst...

Page 26: ...h the resulting platform power increasing up to the maximum values shown below These values along with the SPS recharge power consumption contribute to the maximum system power consumption values over 35 C shown in Table 6 on page 25 VMAX 250F l DAE25 25 Drives 7VA 24 BTU hr l Engine 255VA 870 BTU hr VMAX 450F VMAX 850F l DAE120 2 5 Drives 305VA 1024 BTU hr l Engine 180VA 614 BTU hr VMAX 950F l DA...

Page 27: ...iency can be achieved by sequestering the exhaust air completely and connecting ducts directly to a CRAC unit or to the outside Best practice is to place a perforated floor tile in front of each bay to allow adequate cooling air supply when installing on a raised floor The following figure shows typical airflow in a hot aisle cold aisle environment Figure 1 Typical airflow in a hot cold aisle envi...

Page 28: ...ronmental operating ranges Condition System Operating temperature and operating altitude a l 50 90 F 10 to 32 C at 7 500 ft 2 286 m l 50 95 F 10 to 35 C at 3 317 ft 950 m Operating altitude maximum 10 000 ft 3 048 m 1 1 derating per 1 000 ft b Operating relative humidity extremes 20 to 80 noncondensing Operating rate of temperature change 9 F Hr 5 C Hr Thermal excursion 122 F 48 C up to 24 hours a...

Page 29: ...tration system In addition efforts should be maintained to prevent conductive particles such as zinc whiskers from entering the facility The allowable relative humidity level is 20 80 non condensing however the recommended operating environment range is 40 55 For data centers with gaseous contamination such as high sulfur content lower temperatures and humidity are recommended to minimize the risk...

Page 30: ...n shock 10 G s 12 ms duration Transportation random vibration 1 15 Grms 1 hour Frequency range 1 200 Hz Sound power and sound pressure VMAX 250F Table 13 Sound power and sound pressure levels A weighted VMAX 250F Configuration Sound power levels LWAd B a Sound pressure levels LpA dB b System bay 1 V Brick 7 1 58 9 a Declared noise emissions with 3B correction factor added per ISO9296 b Measured at...

Page 31: ...e in the new environment this many hours Temperature Humidity Nominal 68 72 F 20 22 C Nominal 40 55 RH Nominal 68 72 F 20 22 C 40 55 RH 0 1 hour Cold 68 F 20 C Dry 30 RH 86 F 30 C 4 hours Cold 68 F 20 C Damp 30 RH 86 F 30 C 4 hours Hot 72 F 22 C Dry 30 RH 86 F 30 C 4 hours Hot 72 F 22 C Humid 30 45 RH 86 F 30 C 4 hours Humid 45 60 RH 86 F 30 C 8 hours Humid 60 RH 86 F 30 C 16 hours Unknown 86 F 30...

Page 32: ...Channel distances up to 150 m or 16 Gb s Fibre Channel distances up to 100 m l OM2 cables support 8 Gb s Fibre Channel distances up to 50 m or 10 Gb s Ethernet up to 82 m Note OM2 cables can be used but they will not support 8 Gb s Fibre Channel SRDF distances greater then 50 m For longer distances use OM3 cables Open systems host and SRDF connectivity The following table provides the OM3 and OM4 ...

Page 33: ...Table 16 OM3 and OM4 Fibre cables 50 125 micron optical cable continued Model number Description SYM OM4 100M LC LC 100 meter Specifications Open systems host and SRDF connectivity 33 ...

Page 34: ...Specifications 34 Site Planning Guide VMAX 250F VMAX 450F VMAX 850F VMAX 950F with HYPERMAX OS ...

Page 35: ...CHAPTER 4 Data Center Safety and Remote Support This chapter includes l Fire suppressant disclaimer 36 l Remote support 36 Data Center Safety and Remote Support 35 ...

Page 36: ... scope of any warranty set forth in the terms and conditions of the basic purchasing agreement between the customer and EMC Remote support EMC Secure Remote Support ESRS is an IP based automated connect home and remote support solution ESRS is the preferred method of connectivity EMC recommends using two connections with ESRS for connection to the redundant management module control station MMCS E...

Page 37: ...e line or operates with a PBX EMC recommends using two connections to the redundant management module control station MMCS The EMC Secure Remote Support Gateway Site Planning Guide provides additional information Data Center Safety and Remote Support Remote support 37 ...

Page 38: ...Data Center Safety and Remote Support 38 Site Planning Guide VMAX 250F VMAX 450F VMAX 850F VMAX 950F with HYPERMAX OS ...

Page 39: ...CHAPTER 5 Physical weight and space This chapter includes l Floor load bearing capacity 40 l Raised floor requirements 40 l Physical space and weight 41 Physical weight and space 39 ...

Page 40: ...r are capable of supporting the storage array weight The customer assumes all risk and liability associated with such failure Raised floor requirements Best practice is to use 24 x 24 inch heavy duty concrete filled steel floor tiles If a different size or type of tile is used the customer must ensure that the tiles have a minimum load rating that is sufficient for supporting the storage array wei...

Page 41: ... cm Weight max lbs kg 1 system 1 V Brick 75 190 24 61 42 in 106 7 cm 570 258 1 system 2 V Bricks or 2 systems 1 V Brick each 75 190 24 61 42 in 106 7 cm 850 385 2 systems 2 V Bricks in one system 1 V Brick in other 75 190 24 61 42 in 106 7 cm 1130 513 2 systems 2 V Bricks each system 75 190 24 61 42 in 106 7 cm 1410 640 a Clearance for service airflow is the front at 42 in 106 7 cm front and the r...

Page 42: ...Physical weight and space 42 Site Planning Guide VMAX 250F VMAX 450F VMAX 850F VMAX 950F with HYPERMAX OS ...

Page 43: ...CHAPTER 6 Position VMAX 250F Bay This chapter includes l Bay layout and dimensions 44 l Tile placement 45 l Casters and leveling feet 45 l Cabinet stabilizing 47 Position VMAX 250F Bay 43 ...

Page 44: ...l For the system bay ensure the following n A service area of 42 in 106 cm for the front n A service area of 30 in 76 cm for the rear Front Rear 25 in 64 cm gap between bays 24 02 in 61 01 cm 24 in 61 cm Bezel 39 37 in 100 0 cm rack only 41 25 in 104 8 cm Includes front bezels 42 in 106 cm service area 30 in 76 cm service area Figure 2 Cabinet dimensions and clearances Height 75 0 in 190 cm Depth ...

Page 45: ...of 42 in 106 cm for the front and 30 in 76 cm for the rear on the system bays The following figure provides tile placement information for all VMAX 250F arrays Figure 3 Placement with floor tiles A Front 25 in 64 cm gap between cabinets Rear System bay Floor tiles 24 in 61 cm sq 42 in 106 cm service area front and rear 30 in 76 cm service area rear 61 cm 24 in 41 25 in 104 8 cm includes front beze...

Page 46: ...Leveling feet Leveling feet Floor tile cutout All measurements are in inches NOTICE The customer is ultimately responsible for ensuring that the data center floor on which the system is to be configured is capable of supporting the system weight whether the system is configured directly on the data center floor or on a raised floor supported by the data center floor Failure to comply with these fl...

Page 47: ...ket Use this bracket to provide an extra measure of anti tip security One or two kits may be used For cabinets with components that slide it is recommended that you use two kits 1 56 EMC2853 61 00 42 56 7 00 17 25 21 25 2 78 3 39 438 7 00 All measurements are in inches Front Rear l Anti move bracket Use this bracket to permanently fasten the unit to the floor 42 88 40 88 16 92 21 25 8 46 50 2 00 3...

Page 48: ... 28 03 438 3 55 2 00 2 00 16 60 24 90 50 8 46 16 92 21 25 30 03 EMC2856 Front Rear All measurements are in inches 29 23 Position VMAX 250F Bay 48 Site Planning Guide VMAX 250F VMAX 450F VMAX 850F VMAX 950F with HYPERMAX OS ...

Page 49: ...n VMAX 450F VMAX 850F VMAX 950F Bays This chapter includes l System bay layouts 50 l Dimensions for array layouts 54 l Tile placement 55 l Caster and leveler dimensions 56 Position VMAX 450F VMAX 850F VMAX 950F Bays 49 ...

Page 50: ...tics kits and one set of side skins for each dispersed system bay in the configuration Note n The routing strategy beneath raised floor or overhead site requirements and the use of GridRunners optional or cable troughs can cause the actual distances to vary n GridRunners are used to create a strain relief for all dispersed under the floor cable bundles GridRunners are installed in the locations wh...

Page 51: ...out by model type Figure 4 Adjacent layout VMAX 450F VMAX 850F VMAX 950F System bay 1 System bay 2 Engine 1 Engine 2 Engine 4 Engine 3 00 R1 System bay 3 System bay 4 Engine 5 Engine 7 Engine 8 Engine 6 R2 R3 Bay position 1 2 Table 19 Adjacent layout diagram key VMAX 450F VMAX 850F VMAX 950F Description 1 VMAX 450F 2 VMAX 850F VMAX 950F Position VMAX 450F VMAX 850F VMAX 950F Bays Adjacent layouts ...

Page 52: ...50F VMAX 950F array Figure 5 Dispersed layout front view System bay 1 Engine 7 Engine 2 Engine 1 Engine 8 Engine 5 Engine 6 Engine 3 Engine 4 System Bay 2 System Bay 1 System Bay 3 System Bay 4 Position VMAX 450F VMAX 850F VMAX 950F Bays 52 Site Planning Guide VMAX 250F VMAX 450F VMAX 850F VMAX 950F with HYPERMAX OS ...

Page 53: ... a mixed layout Figure 6 Adjacent and dispersed mixed layout dual engine array System bay 1 Engine 1 Initial install System bay 2 Engine 3 Engine 2 Engine 4 System bay 3 Engine 5 Engine 6 00 R1 Bay position Position VMAX 450F VMAX 850F VMAX 950F Bays Adjacent and dispersed mixed layout 53 ...

Page 54: ... l On raised floors cables are routed across the subfloor beneath the tiles l Ensure there is a service area of 42 in 106 cm for the front and 30 in 76 cm for the rear of each system bay The following figure shows the layout dimensions Figure 7 Layout Dimensions VMAX 450F VMAX 850F VMAX 950F Front Rear 47 in 119 cm Includes front and rear doors 25 in 64 cm gap between bays 24 02 in 61 01 cm 24 in ...

Page 55: ...nd rear of the floor tile n Centered on the tiles 9 in 22 9 cm from the front and rear and 8 in 20 3 from sides l Maintain a 25 in 64 cm gap between bays l Service area of 42 in 106 cm for the front and 30 in 76 cm for the rear on the system bays The following figure provides tile placement information for all VMAX All Flash arrays with doors Figure 8 Placement with floor tiles VMAX 450F VMAX 850F...

Page 56: ...loor The following figure shows caster and leveler dimensions Figure 9 Caster and leveler dimensions Front Rear Front Rear 18 830 20 700 31 740 1 17 102 minimum 20 580 maximum Top view Rear view Rear view Right side view 3 628 3 620 30 870 minimum 32 620 maximum 1 750 1 750 20 650 40 35 Bottom view Leveling feet 1 2 3 3 620 4 7 5 6 8 9 10 Table 20 Caster and leveler dimensions diagram key Descript...

Page 57: ...4 Outer surface of rear door 5 6 Diameter 1 75 of swivel see detail 3 7 Bottom view of leveling feet 8 Maximum 32 620 distance based on swivel position of the caster wheel 9 Minimum 30 870 distance based on swivel position of the caster wheel 10 Distance 3 620 to the center of the caster wheel from the surface see detail 2 Position VMAX 450F VMAX 850F VMAX 950F Bays Caster and leveler dimensions 5...

Page 58: ...Position VMAX 450F VMAX 850F VMAX 950F Bays 58 Site Planning Guide VMAX 250F VMAX 450F VMAX 850F VMAX 950F with HYPERMAX OS ...

Page 59: ...tion unit VMAX 450F VMAX 850F VMAX 950F 62 l Wiring configurations VMAX 250F 64 l Wiring configurations VMAX 450F VMAX 850F VMAX 950F 68 l Power interface 72 l Customer input power cabling 72 l Best practices Power configuration guidelines 74 l Power extension cords connectors and wiring 74 Power cabling cords and connectors 59 ...

Page 60: ...r supply 15ft 4 57m extension cables are provided Each PDU provides the following components l A total of 12 power outlets for field replaceable units FRUs The outlets are divided into three banks with each bank consisting of four IEC 60320 C13 individual AC outlets l Each bank of outlets is connected to individual branch circuits that are protected by a single two pole 20 Amp circuit breaker l PD...

Page 61: ...OFF O ON I OFF O ON I OFF O ON I OFF O ON I OFF O ON I OFF O ON I OFF O ON I OFF O PDUs PDP PDU PDP PDU Power zone A right gray Power zone B left black Power zone A right gray Power zone B left black Power zone B Power zone B Power zone B Power zone A Power zone B Power zone A Power zone A Power zone A Power cabling cords and connectors Power distribution equipment VMAX 250F 61 ...

Page 62: ...al of 24 power outlets for field replaceable units FRUs The outlets are divided into six banks with each bank consisting of four IEC 60320 C13 individual AC outlets l Each bank of outlets is connected to individual branch circuits that are protected by a single two pole 20 Amp circuit breaker l Depending on which PDU option selected there is a different input connector for each PDU If the customer...

Page 63: ...ribution unit PDU without installed wire bales rear view Figure 12 Power distribution unit PDU with installed wire bales rear view Power cabling cords and connectors Power distribution unit VMAX 450F VMAX 850F VMAX 950F 63 ...

Page 64: ...d one power zone PDU wiring configuration VMAX 250F Figure 13 PDU internal wiring VMAX 250F L N G L N G L N G L N G L N G L N G L N G L N G L N G L N G L N G L N G AMP Mate N Lok High Current Pins L N G P1 P4 P3 P8 P9 P7 P2 CB1 CB2 CB3 VMAX 250F PDU Power Distribution Unit Power cabling cords and connectors 64 Site Planning Guide VMAX 250F VMAX 450F VMAX 850F VMAX 950F with HYPERMAX OS ...

Page 65: ...TB 1 TB 2 1 2 3 4 5 1 2 3 4 5 VMAX 250F PDP Power Distribution Panel SINGLE PHASE Single phase PDP Connector L6 30P x 1 per power zone Note All wires shown in the wire diagram that are not connected to the connectors are disconnected inside the PDP Power cabling cords and connectors Wiring configurations VMAX 250F 65 ...

Page 66: ...se Delta PDP internal wiring VMAX 250F J1 J2 1 2 3 4 5 TB 2 1 2 3 4 5 TB 1 VMAX 250F PDP Power Distribution Panel 3 PHASE DELTA Hubbell CS 8365C or equivalent Power cabling cords and connectors 66 Site Planning Guide VMAX 250F VMAX 450F VMAX 850F VMAX 950F with HYPERMAX OS ...

Page 67: ...50F Figure 16 Three phase Wye PDP internal wiring VMAX 250F J1 J2 1 2 3 4 5 TB 2 1 2 3 4 5 TB 1 VMAX 250F PDP Power Distribution Panel 3 PHASE WYE ABL SURSUM S52S30A or equivalent Power cabling cords and connectors Wiring configurations VMAX 250F 67 ...

Page 68: ... PDU assembly The same wiring configurations are used on each PDU Note The PDU AC power cords single phase and three phase extend 74 188cm from the PDU chassis and are designed to reach to the bay floor egress for connection to the customer power supply 15 4 57m extension cables are provided Power cabling cords and connectors 68 Site Planning Guide VMAX 250F VMAX 450F VMAX 850F VMAX 950F with HYPE...

Page 69: ...A CB5 20A CB6 23 20A CB2 20A CB3 L1 L1 L1 L1 L1 L1 4 5 6 7 8 9 10 11 13 L N L N L N L1 10AWG L2 10 AWG 10 AWG N L L N L N P1 L2 L2 L2 L2 L2 L2 G G 10 AWG G L1 10AWG L2 10 AWG G 10 AWG Green L1 10AWG L2 10 AWG G 10 AWG Green G P2 P3 L N L N 17 N L L N L N L N 12 24 P3 P1 P2 Single phase PDU connector L6 30P x 6 Power cabling cords and connectors Wiring configurations VMAX 450F VMAX 850F VMAX 950F 6...

Page 70: ...3 G 20A CB2 20A CB3 L1 L1 L1 L1 L2 L2 L2 L2 L3 L3 L3 L3 L1 X 8AWG Black wire L2 Y 8 AWG White wire L3 Z 8 AWG Red wire G 8 AWG Green 8 AWG P1 14 13 15 17 18 20 19 21 22 12 L N L N L N L N L N 16 L N 1 2 3 4 5 6 7 8 9 10 11 N L L N L N N L L N L N 23 24 Hubbell CS 8365L or equivalent x 2 Power cabling cords and connectors 70 Site Planning Guide VMAX 250F VMAX 450F VMAX 850F VMAX 950F with HYPERMAX ...

Page 71: ...B1 20A CB5 20A CB6 L1 L2 L3 N 20A CB2 20A CB3 L1 L1 L2 L2 L3 L3 L1 X Brown L2 Y Black L3 Z Gray Green yellow 10 AWG G N N N N N N N Blue 14 13 15 17 18 20 19 21 22 12 L N L N L N L N L N 16 L N 1 2 3 4 5 6 7 8 9 10 11 N L L N L N N L L N L N 23 24 ABL SURSUM S52S30A or equivalent x 2 Power cabling cords and connectors Wiring configurations VMAX 450F VMAX 850F VMAX 950F 71 ...

Page 72: ...onsible for meeting all local electrical safety requirements Customer input power cabling Before the array is delivered the customer must supply and install the required receptacles on the customer s PDUs for zone A and zone B power for the system bay NOTICE EMC recommends that the customer s electrician be present at installation time to work with the EMC Customer Engineer to verify power redunda...

Page 73: ...2 V Bricks PDPs Customer s PDU 2 Power feed 2 Customer s PDU 1 Circuit breakers Numbers 27 28 29 30 Circuit breakers Numbers 27 28 29 30 Power feed 1 1 0 1 0 A B 1 0 1 0 A B ON I OFF O ON I OFF O ON I OFF O ON I OFF O ON I OFF O ON I OFF O EMC 15ft 4 57m Extension Cord with 24in 61cm slack under floor egress Customer power feed Customer power feed PDUs 40U rack PDP PDU Power zone A right gray Powe...

Page 74: ...to turning on the array n If both power drops to a bay are connected to the same PDU incorrectly a DU event will result during normal data center maintenance when the PDU is switched off The label on the power cables depicts the correct connection l The electrician should pay particular attention to how each PDU receives power from each UPS within the data center because it is possible to create a...

Page 75: ...6 30 ES PW40U US VMAX 250F EF PW40U US VMAX 450F VMAX 850F ET PW40U US VMAX 950F 038 003 438 BLK 15FT 038 003 898 GRY 15FT 038 003 479 BLK 21FT 038 003 794 GRY 21FT NEMA L6 30R NEMA L6 30P NEMA L6 30R ES PW40URUS VMAX 250F EF PW40URUS VMAX 450F VMAX 850F ET PW40URUS VMAX 950F 038 003 441 BLK 15FT 038 003 901 GRY 15FT 038 003 482 BLK 21FT 038 003 797 GRY 21FT NEMA L6 30R Russellstoll 3750DP Russell...

Page 76: ...SAL 56CSC332 E PW40L730 CAUTION The single phase line voltage must be below 264VAC to use these cable assemblies 038 004 301 BLK 15FT 038 004 302 GRY 15FT 038 004 303 BLK 21FT 038 004 304 GRY 21FT NEMA L6 30R NEMA L7 30P NEMA L7 30R a VMAX 450F VMAX 850F VMAX 950F Six 6 plugs per system bay VMAX 250F Up to four 4 power cords b Two 2 cords per model cord length of 15 feet 4 57 meters c The EMC orde...

Page 77: ...0F ET PW40U US VMAX 950F ES PW40U US VMAX 250F P1 P2 L6 30R L6 30P X Y G Power cord wiring diagram Color From To Signal BLK P1 X P2 X L WHT P1 Y P2 Y N GRN P1 G P2 G GND X Y G L6 30R L6 30P X Y G Power cord wiring diagram Color From To Signal BLK P1 X P2 X L WHT P1 Y P2 Y L GRN P1 G P2 G GND X Y G L6 30R L6 30P Power cabling cords and connectors Single phase 77 ...

Page 78: ...iring diagram L6 30R L1 L2 G 3750DP Figure 23 Single phase EF PW40UIEC3 VMAX 450F VMAX 850F ET PW40UIEC3 VMAX 950F ES PW40UIEC3 VMAX 250F X Y G P1 P2 L6 30R 332P6W G Y X Color From To Signal BRN P1 X P2 X L BLU P1 Y P2 Y N GRN YEL P1 G P2 G GND X Y G Power cord wiring diagram L6 30R 332P6W X Y G Color From To Signal BLK P1 X P2 X L WHT P1 Y P2 Y L GRN YEL P1 G P2 G GND Power cord wiring diagram L6...

Page 79: ...lor From To Signal BRN P1 X P2 AP L BLU P1 Y P2 N L GRN YEL P1 G P2 E GND X Y G Power cord wiring diagram L6 30R 56PA332 G Y X G Y X X Y G Figure 25 Single phase E PW40L730 L6 30R L7 30P P1 P2 Color Signal P1 P2 BLK L X Brass WHT N Y W Silver GRN YEL GND GND GND X Y G Power cord wiring diagram L6 30R L7 30P Color Signal P1 P2 BLK L X Brass WHT L Y W Silver GRN YEL GND GND GND X Y G Power cord wiri...

Page 80: ...F c 038 004 572 BLK 15FT 038 004 573 GRY 15FT ABL Sursum K52S30A or Hubbell C530C6S Flying Leads International Determined by customer ES PCBL3YAG VMAX 250F EF PCBL3YAG VMAX 450F VMAX 850F ET PCBL3YAG VMAX 950F 038 004 574 BLK 15FT 038 004 575 GRY 15FT ABL Sursum K52S30A or Hubbell C530C6S ABL Sursum S52S30A or Hubbell C530P6S ABL Sursum K52S30A or Hubbell C530C6S a Two 2 plugs per bay Up to four 4...

Page 81: ... 26 Flying leads three phase international EF PC3YAFLE VMAX 450F VMAX 850F ET PC3YAFLE VMAX 950F ES PC3YAFLE VMAX 250F P1 Shrink tubing ABL Sursum K52S30A or Hubbell C530C6S Wire Color From Hubbell Connector ABL Sursum Connector TO BRN P1 R1 L1 X L1 BLK P1 S2 L2 Y L2 GRY P1 T3 L3 Z L3 BLU P1 N N W N GRN YEL P1 G PE GND Power cabling cords and connectors Three phase International Wye 81 ...

Page 82: ...r Hubbell C530C6S P2 ABL Sursum S52S30A or Hubbell C530P6S Wire Color From Hubbell ABL Surum To Hubbell ABL Surum BRN P1 R1 L1 P2 R1 L1 BLK P1 S2 L2 P2 S2 L2 GRY P1 T3 L3 P2 T3 L3 BLU P1 N N P2 N N GRN YEL P1 G PE P2 G PE Power cabling cords and connectors 82 Site Planning Guide VMAX 250F VMAX 450F VMAX 850F VMAX 950F with HYPERMAX OS ...

Page 83: ...BL3DHR VMAX 250F c EF PCBL3DHR VMAX 450F VMAX 850F c ET PCBL3DHR VMAX 950F c 038 003 272 BLK 15FT 038 003 789 GRY 15FT Hubbell CS 8364C Russellstoll 9P54U2 Russellstoll 9C54U2d ES PCBL3DHH VMAX 250F EF PCBL3DHH VMAX 450F VMAX 850F ET PCBL3DHH VMAX 950F 038 003 271 BLK 15FT 038 003 788 GRY 15FT Hubbell CS 8364C Hubbell CS 8365C Hubbell CS 8364C a Two 2 plugs per bay b Two 2 cords per model cord len...

Page 84: ...U2 CS8364 9P54U2 Color BLK WHT RED GRN From P1 X P1 Y P1 Z P1 G To P2 X P2 Y P2 Z P2 G Signal L1 L2 L3 GND X Y Z X Y Z Power cord wiring diagram Figure 29 Three phase North American Delta EF PCBL3DHH VMAX 450F VMAX 850F ET PCBL3DHH VMAX 950F ES PCBL3DHH VMAX 250F P1 P2 CS8364 CS8365 CS8364 CS8365 Color BLK WHT RED GRN From P1 X P1 Y P1 Z P1 G To P2 X P2 Y P2 Z P2 G Signal L1 L2 L3 GND Y Z Z X X Y ...

Page 85: ...PDU receptacle Customer PDU receptacle ABL Sursum S52 30 ES PCBL3YL23P VMAX 250F c d EF PCBL3YL23P VMAX 450F VMAX 850F c d ET PCBL3YL23P VMAX 950F c d 038 004 305 BLK 15FT 038 004 306 GRY 15FT Hubbell C530C6S NEMA L22 30P NEMA L22 30R a Two 2 plugs per bay b Two 2 cords per model cord length of 15 feet 4 57 meters c The EMC ordering system defaults to one of the extension cord models based on the ...

Page 86: ...BL3YL23P VMAX 250F Hubbell C530C6S NEMA P1 P2 L22 30P Color From P1 To P2 Signal BLK1 P1 R1 P2 X L1 BLK2 P1 S2 P2 Y L2 BLK3 P1 T3 P2 Z L3 BLK4 P1 N P2 N N GRN YLW P1 G P2 G GND C530C6S L22 30P Black 15 ft Gray 15 ft P1 P2 Color From P1 To P2 Signal BRN P1 R1 P2 X L1 BLK P1 S2 P2 Y L2 GRAY P1 T3 P2 Z L3 BLUE P1 N P2 N N GRN YLW GND GND GND C530C6S L22 30P Power cabling cords and connectors 86 Site ...

Page 87: ...CHAPTER 9 EMC racking for VMAX 250F This chapter includes l Two system configurations 88 l EMC rack requirements for customer components 88 EMC racking for VMAX 250F 87 ...

Page 88: ...MAX 250F system The system must be properly positioned within the rack in accordance with following physical placement rules l EMC equipment should stack from the bottom while customer equipment stacks from the top of the rack l A system must exist within contiguous space Customer equipment must be above a VMAX 250F system and not interwoven within the EMC system l All customer equipment must be e...

Page 89: ...ing Option for VMAX 250F This chapter includes l Computer room requirements VMAX 250F 90 l Customer rack requirements VMAX 250F 90 l PDU requirements for third party racks VMAX 250F 91 Third Party Racking Option for VMAX 250F 89 ...

Page 90: ...d for two V Bricks maximum configuration l Threaded hole racks are not supported l The customer rack must have customer supplied PDPs and PDUs installed and connected to customer power l Customer rack must support a minimum 850 lbs 385 kg of weight PLUS the weight of any 3rd party components within the rack Note The customer must ensure floor load bearing requirements are met l Components and cabl...

Page 91: ...eaker operating current at nominal AC input voltage should not exceed 80 of the circuit breaker rating Refer to Component power requirements VMAX 250F on page 91 for input requirements for each VMAX 250F component Refer to Power distribution equipment for third party rack VMAX 250F on page 94 for planning the number of connections required to support VMAX 250F components l Two independent AC power...

Page 92: ...supply one phase AC inlet type IEC320 C14 appliance coupler per power zone Charge times SPS will reach 95 capacity within 6 hours if it is fully discharged Notes l Ratings assume a fully loaded engine Product power may vary depending on each product configuration For specific product configuration power numbers refer to the EMC power calculator https powercalculator emc com The power calculator on...

Page 93: ... A fuse on each power supply both phases AC inlet type IEC320 C14 appliance coupler per power zone Note l Ratings assume a fully loaded DAE that includes 2 power supplies and 25 worst case disk drives operating in an ambient environment above 35 C For specific product configuration power numbers refer to the EMC power calculator https powercalculator emc com l Product power may vary depending on e...

Page 94: ... 1 1 2 4U Engine 1 2U SPS SPS 3A and 3B 1 1 2 Total C13 outlets 6 Table 28 Power Distribution Equipment C13 Outlet Connections required for 2 V Bricks Component Number of C13 outlets required Totals Zone A C13 outlets Zone B C13 outlets 25 drive 2U DAE DAE 4 1 1 2 25 drive 2U DAE DAE 3 1 1 2 4U Engine 2 2U SPS SPS 2A and 2B 1 1 2 25 drive 2U DAE DAE 2 1 1 2 25 drive 2U DAE DAE 1 1 1 2 4U Engine 1 ...

Page 95: ...0F and VMAX 950F This chapter includes l Computer room requirements 96 l Customer rack requirements 97 l Third party racks with vertical PDUs RPQ Required 99 l Chassis to chassis grounding 103 Third Party Racking Option for VMAX 450F VMAX 850F and VMAX 950F 95 ...

Page 96: ...ctions do not move racks that are secured bolted together after installation l A minimum of 42 inches 107 cm front and 30 inches 76 cm rear clearance is required to provide adequate airflow and to allow for system service Third Party Racking Option for VMAX 450F VMAX 850F and VMAX 950F 96 Site Planning Guide VMAX 250F VMAX 450F VMAX 850F VMAX 950F with HYPERMAX OS ...

Page 97: ...space in different bay or to a different location within the same bay n System must be properly positioned in accordance with physical placement rules l Internal depth of at least 43 inches 109 cm with the front and rear doors closed This measurement is from the front surface of the NEMA rail to the rear door l Round or square channel openings must support M5 screws that secure EMC rails and compo...

Page 98: ...een front surface of rack post and NEMA rail b distance between NEMA rails 24 60 96 cm recommended up to 34 86 36 cm allowed c distance between rear NEMA rails to interior surface of rear door Minimum requirement 19 48 26 cm d If a front door exists distance between inner front surface of the front door and the front NEMA rail e distance between rear surface of rack post to inner surface of rear d...

Page 99: ...equirements n At a minimum a total of 24 power outlets must be provided The outlets are divided into six banks with each bank consisting of four IEC 60320 C13 individual AC outlets n Each bank of outlets is connected to individual branch circuits that are protected by a single two pole 20 Amp circuit breaker n The PDU capacity should exceed the power requirements shown in the Power Calculator for ...

Page 100: ...tion a distance between front surface of rack post and NEMA rail b distance between NEMA rails 24 60 96 cm recommended up to 34 86 36 cm allowed c distance between rear NEMA rails to exterior rear surface of rack d If a front door exists distance between inner front surface of the front door and the front NEMA rail e distance between rear surface of rack post to inner surface of rear door f distan...

Page 101: ...el surface that may interfere with the power cables Note Dimension k is dependent on this value k min depth b c Where l j 6 15 24cm is a requirement l IF j is 6 15 24cm min rack depth 43 109 2cm l IF j is 6 15 24cm min rack depth 43 109 2cm distance required to make j 6 15 24cm pw PDU width Third Party Racking Option for VMAX 450F VMAX 850F and VMAX 950F Requirements for third party racks with ver...

Page 102: ...min e Rear Door Rear 19 NEMA 48 26 cm cb g PDU c h 43 109 2 cm min Min depth Rack depth a b c Dim Label Description a distance between front surface of rack post and NEMA rail b distance between NEMA rails 24 60 96 cm recommended up to 34 86 36 cm allowed c distance between rear NEMA to exterior rear surface of rack cb Cable Bend 4 minimum 10 156 cm d If a front door exists distance between inner ...

Page 103: ...g system performance Large AC power transients can occur from one or a combination of electrical power grid problems feeding a facility weak facility grounding powerful lightning storm strikes or facility power equipment failure Mechanisms for tying racks together to provide the ground connection can vary based on the rack provided by the customer and site facility preference P N 106 562 209 is a ...

Page 104: ...Third Party Racking Option for VMAX 450F VMAX 850F and VMAX 950F 104 Site Planning Guide VMAX 250F VMAX 450F VMAX 850F VMAX 950F with HYPERMAX OS ...

Page 105: ...ter includes l Overhead routing kit 106 l PDU PDP kits VMAX 250F 106 l Dispersion kits VMAX 450F VMAX 850F 106 l Dispersion kits VMAX 950F 107 l Securing kits 108 l GridRunner kit and customer supplied cable trough 108 Optional kits 105 ...

Page 106: ...are available when installing a second VMAX 250F system or customer components in an EMC rack Table 31 PDU PDP kits for VMAX 250F Model Description ES PWRKIT 1P Single Phase PDU PDP ES PWRKIT 1PU Single Phase PDU PDP UPG ES PWRKIT 3D 3P Delta Phase PDU PDP ES PWRKIT 3DU 3P Delta Phase PDU PDP UPG ES PWRKIT 3Y 3WYE Phase PDU PDP ES PWRKIT 3YU 3WYE Phase PDU PDP UPG Dispersion kits VMAX 450F VMAX 85...

Page 107: ...s VMAX 950F Each dispersed system bay requires a dispersion kit specific to the bay number The dispersion kits include a 82 foot 25 m optical cable and optics for the dispersed engine When installing a dispersed layout side skins ET SKINS are required The following table lists model numbers for new installations and upgrades Table 33 Dispersion kit model numbers VMAX 950F Model Description ET DSOP...

Page 108: ...rames of the system bays The brackets are attached to the floor using bolts that engage the flooring substructure provided by the customer The EMC VMAX Securing Kit Installation Guide provides installation instructions Table 35 Securing kit models VMAX 450F VMAX 850F VMAX 950F Model Description E SECURE Secure kit for single bay E SECUREADD Secure kit for joining bays GridRunner kit and customer s...

Page 109: ...GridRunner supports the cable bundle above the subfloor GridRunners are installed with brackets that attach to the stanchions under the raised floor The stanchions are up to one inch in diameter measured at six inches 15 24 cm below the raised tiles To ensure sufficient support of the cable bundle a GridRunner should be installed every two meters Table 37 Bottom routing model VMAX 450F VMAX 850F V...

Page 110: ...Optional kits 110 Site Planning Guide VMAX 250F VMAX 450F VMAX 850F VMAX 950F with HYPERMAX OS ...

Page 111: ...112 l Selecting the proper AC power connection procedure 113 l Procedure A Working with the customer s electrician onsite 114 l Procedure B Verify and connect 125 l Procedure C Obtain customer verification 126 l PDU labels 126 l Ground the cabinet 128 l AC power specifications 130 Best Practices for AC Power Connections 111 ...

Page 112: ...independent AC power is not available there is a higher risk of data unavailability should a power failure occur including individual phase loss occurring in both power zones NOTICE Before connecting external AC power to EMC bays verify that the bays have been placed in their final position as explained in the installation guide Figure 34 Two independent customer supplied PDUs Customer s PDU 1 Cus...

Page 113: ... the scenario is then use this procedure The customer s electrician is available at the installation site Aa See Procedure A Working with the customer s electrician onsite on page 114 Access to customer supplied labeled power cables beneath raised floor or overhead And the customer s electrician is NOT available at the installation site B See Procedure B Verify and connect on page 125 Customer sup...

Page 114: ...rocedure requires three basic tasks that alternate between the customer s electrician the EMC CE and back to the customer s electrician l Task 1 Customer s electrician l Task 2 EMC Customer Engineer CE l Task 3 Customer s electrician Best Practices for AC Power Connections 114 Site Planning Guide VMAX 250F VMAX 450F VMAX 850F VMAX 950F with HYPERMAX OS ...

Page 115: ... 35 Circuit breakers ON AC power within specification Customer s PDU 1 Customer s PDU 2 Circuit breakers on Circuit breakers on Circuit breakers Numbers 27 28 29 30 Circuit breakers Numbers 8 9 10 11 Labels on customer power lines Power feed 1 Power feed 2 PDU 1 CB 28 PDU 2 CB 9 Voltmeter TYPE PM89 CLASS 25 01 0 100 240300 V Voltmeter TYPE PM89 CLASS 25 01 0 100 240300 V Figure 36 Circuit breakers...

Page 116: ...3 4 5 6 1 2 3 4 5 6 Procedure 1 Confirm that the customer supplied power cables are labeled and that each label contains the relevant customer supplied PDU and circuit breaker numbers If power cables are not equipped with labels alert the customer 2 Compare the numbers on the customer supplied power cables for each EMC bay to verify that power zone A and power zone B are powered by a different cus...

Page 117: ...tor from the PDU Cable connectors are shown as they exit the bottom rear of the bay Rear view System bay Zone B PDU Left Zone A PDU Right EMC supplied power cable and connector from the PDU P1 P2 P3 P1 P2 P3 P2 and P3 used depending on configuration l For three phase power Connect customer supplied PDU power cables to the EMC bay by connecting to the bay s AC input cables for power zone A and powe...

Page 118: ...bay Zone B PDU Left Zone A PDU Right EMC supplied power cable and connector from the PDU Zone B PDU Left Zone A PDU Right Cable connectors are shown as they exit the bottom rear of the bay NOTICE Do not connect EMC bay power zone A and power zone B to the same customer supplied PDU The customer will lose power redundancy and risk Data Unavailability DU if the PDU fails or is turned off during a ma...

Page 119: ...Circuit Breakers CBs Customer s Power Source 2 Circuit Breakers CBs t n a t r o p m I l a u n a m n o i t c u r t s n i o t r e f e R Zone B Zone A Rear View SYSTEM Customer s Power Source 1 Circuit Breakers CBs Zone B Zone A Rear View SYSTEM Customer s Power Source 1 Circuit Breakers CBs Customer s Power Source 2 Circuit Breakers CBs 046 001 749_01 Best Practices for AC Power Connections Procedur...

Page 120: ...cables are labeled and that each label contains the relevant customer supplied PDU and circuit breaker numbers If power cables are not equipped with labels alert the customer 2 Compare the numbers on the customer supplied power cables for each EMC bay to verify that power zone A and power zone B are powered by a different customer supplied PDU 3 Do the following to connect power zone A and power z...

Page 121: ...or from the PDP Cable connectors are shown as they exist near the bottom of the bay Rear view VMAX 250F bay EMC supplied power cable and connector from the PDP PDP PDP Power zone B left Power zone A right NOTICE Do not connect EMC bay power zone A and power zone B to the same customer supplied PDU The customer will lose power redundancy and risk Data Unavailability DU if the PDU fails or is turned...

Page 122: ...Figure 43 Power zone connections Best Practices for AC Power Connections 122 Site Planning Guide VMAX 250F VMAX 450F VMAX 850F VMAX 950F with HYPERMAX OS ...

Page 123: ...ks PDPs Customer s PDU 2 Power feed 2 Customer s PDU 1 Circuit breakers Numbers 27 28 29 30 Circuit breakers Numbers 27 28 29 30 Power feed 1 1 0 1 0 A B 1 0 1 0 A B ON I OFF O ON I OFF O ON I OFF O ON I OFF O ON I OFF O ON I OFF O EMC 15ft 4 57m Extension Cord with 24in 61cm slack under floor egress Customer power feed Customer power feed PDUs 40U rack PDP PDU Power zone A right gray Power zone B...

Page 124: ...e next step 2 Turn OFF the relevant circuit breakers in customer supplied PDU 2 Verify that the power supply and or SPS LEDs that turned green in the previous step changed from green to OFF and or flashing yellow The yellow SPS lights flash for a maximum of 5 minutes Note Note that power supplies connected to an SPS continue to have green lights ON while the SPS yellow light continues to flash ind...

Page 125: ...ure A Inform the customer that their array may prematurely shut down in the event of a site power issue 2 Access the labeled power cables beneath raised floor or overhead to verify that the customer supplied power cables are properly labeled as shown in Figure 36 on page 115 and described in Procedure A Task 2 3 Compare the numbers on the customer supplied power cables for each EMC bay to verify t...

Page 126: ... and label the PDUs as described in PDU labels on page 126 PDU labels Before applying labels to the PDUs one of the following procedures must have been completed l Procedure A Working with the customer s electrician onsite on page 114 l Procedure B Verify and connect on page 125 l Procedure C Obtain customer verification on page 126 If necessary see Selecting the proper AC power connection procedu...

Page 127: ...I OFF O ON I OFF O ON I OFF O ON I OFF O ON I OFF O ON I OFF O PDU 40U rack PDP PDU Power zone A right gray Power zone B left black Power zone B Power zone B Power zone A Power zone A 046 003 593_A02 Power Zone B Power Zone A Customer PDU Information PDU Panel CB s PDU Panel CB s Add label to bottom inside surface of PDU Add label to bottom inside surface of PDU PDU label not to scale Best Practic...

Page 128: ...P1 P2 P3 Figure 47 Label placement Customer PDU Information Rear View Zone A PDU label Zone B PDU label Ground the cabinet Equipment correctly installed within the cabinet is grounded through the AC power cables and connectors In general supplemental grounding is not required If your site requires external grounding for example to a common grounding network beneath the site floor you can use the g...

Page 129: ...Figure 48 Location of cabinet ground lugs CL4827 0 4 6 0 0 3 3 5 0 Best Practices for AC Power Connections Ground the cabinet 129 ...

Page 130: ... at customer site VMAX 250F l One 30 A single phase drop per zone l Two power zones require 2 drops each drop rated for 30 A l Two systems in an EMC rack require 4 drops each drop rated for 30 A Minimum power requirements at customer site VMAX 450F VMAX 850F VMAX 950F l Three 30 A single phase drops per zone l Two power zones require 6 drops each drop rated for 30 A l PDU A and PDU B require three...

Page 131: ...s at customer site l Two 50 A three phase drops per bay l PDU A and PDU B require one separate three phase Delta 50 A drops for each Two 32 A three phase drops per bay a L line or phase N neutral G ground b An imbalance of AC input currents may exist on the three phase power source feeding the array depending on the configuration The customer s electrician must be alerted to this possible conditio...

Page 132: ...Best Practices for AC Power Connections 132 Site Planning Guide VMAX 250F VMAX 450F VMAX 850F VMAX 950F with HYPERMAX OS ...

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