How to Apply Power to the System . . . . . . . . . . . . . . . . . . . . . 37
How to Ensure Total Power Off . . . . . . . . . . . . . . . . . . . . . . . 39
Appendix B: Changes in this Manual ......................41
Safety
d
o
Overview
Save these instructions
This manual contains important instructions that must be followed during installation, operation, and
maintenance of the InfraStruXure System.
Safety symbols used in this manual
Indicates an electrical hazard, which, if not avoided, could result in injury or
Electrical
Hazar
Warning
death.
Indicates a hazard, which, if not avoided, could result in personal injury or
damage to product or other property.
Indicates a potential hazard which could result in damage to product or other property.
Caution
Indicates important information.
Note
Indicates a heavy load that should not be lifted without assistance.
Heavy
Indicates a standby state. When in standby, the unit is not operating, but it may still
contain hazardous voltage. It is not safe to service until the equipment is
disconnected from all sources of electrical power.
Cross-reference symbols used in this manual
Indicates that more information is available on the same subject in a different manual.
See als
Indicates that more information is available on the same subject in a different section
of this manual.
InfraStruXure System—Installation and Start-Up1
Warnings
Receiving/moving
Do not tilt the PDU greater than 45° from its vertical axis. Never lay the PDU on its side.
Installation/Maintenance
Only a certified electrician can:
• Connect the PDU to its power source
• Connect a switch to the EPO interface on the PDU
• Install a customer-specified, hard-wired power cable
Only a certified electrician or an APC Field Service Engineer can perform maintenance of the PDU.
When you connect the PDU to its power source, you must install a circuit breaker to protect the PDU
against over-current. Determine the type of circuit breaker that you need to install:
Input VoltageCircuit Breaker Sizing
208V225A
480V90A
600V75A
Maintenance performed while the PDU is receiving input power
APC does not recommend that you perform maintenance of the PDU while it is receiving input
power. However, due to the critical nature of data center loads, this may occur. If you must perform
maintenance while the PDU is receiving input power, observe the following precautions to reduce the
risk of electric shock:
1. Never work alone.
2. Perform the maintenance only if you are a certified electrician who is trained in the hazards of
live electrical installation.
3. Know the procedure for disconnecting electricity to the PDU and the data center in case of an
emergency.
4. Wear appropriate personal protective equipment.
5. Use double-insulated tools.
6. Always follow local and site regulations when working on the PDU.
2InfraStruXure System—Installation and Start-Up
Safety: Warnings
Total Power Off
1. Set the PDU Main Input to OFF.
2. Set the upstream power source feeding the PDU to OFF.
Emergency Power Off (EPO)
Hazardous voltage from the branch circuit must be isolated from the 24VAC, 24VDC, and contact
closure. 24VAC and 24VDC are considered Class 2 circuits as defined in Article 725 of the National
Electrical Code (NFPA 70) and Section 16 of the Canadian Electrical Code (C22.1).
A Class 2 circuit is a source having limited voltage and energy capacity as follows:
a. If an Inherently Limited Power Source, voltage and energy are limited to less than 30 VAC,
less than 30VDC, and 8A.
b. If not an Inherently Limited Power Source, voltage and energy are limited to less than
30VAC, less than 60VDC, 250VA, and the current is limited to 1000/Vmax. The fuse is
limited to 5A if less than 20VAC or 20VDC, or 100/Vmaximum if less than 30VAC or
60VDC.
If you choose to use a 24VAC, 24 VDC, or contact closure connection to the EPO, use one of the
following UL-listed wire types:
• CL2 Class 2 cable for general purpose use
• CL2P Plenum cable for use in ducts, plenums, and other space used for environmental air
• CL2R Riser cable for use in a vertical run shaft from floor to floor
• CL2X Limited Use cable for use in dwellings and for use in a raceway
• For installation in Canada, the cable should be CSA Certified, type ELC (extra-low-voltage
control cable).
If you do not use a CL2 cable, route the EPO wiring in conduit that does not contain any branch
circuit wiring.
EMI
This equipment has been tested and found to comply with the limits for a Class A digital device,
pursuant to part 15 of the FCC Rules. These limits are designed to provide reasonable protection
against harmful interference when the equipment is operated in a commercial environment. This
equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in
accordance with this user manual, may cause harmful interference to radio communications.
Operation of this equipment in a residential area is likely to cause harmful interference.The user will
bear sole responsibility for correcting such interference.
This Class A digital apparatus complies with Canadian ICES-003.
Cet appareil numerique de la classe A est conformé à la norme NMB-003 du Canada.
InfraStruXure System—Installation and Start-Up3
Site Planning
Dimensions
InfraStruXure PDU
Without PDU Shielding Trough:
81.5in (2070mm)
Including PDU Shielding Trough:
88.8in (2255mm)
PDU Shielding Trough
23in
(584mm)
7.2in
(183mm)
NetShelter VX Enclosure
23.5in (597 mm)
34.5in (876 mm)
23.5in (597 mm)
(597mm)
81.5in
(2070mm)
(597mm)
Shielding Partitions
23.5in
23.5in
4.8in
(122mm)
7.2in
(183mm)
42.2in (1072mm)
InfraStruXure System—Installation and Start-Up5
Space Considerations
Study the figure below to determine your space requirements for installing the InfraStruXure PDU.
Consult your local codes and the NEC for additional requirements.
Ceiling Clearance
123>12in (304 mm)
Minimum Rear Clearance
Minimum Front Clearance
208V:36in (914 mm)
480V:42in (1067 mm)
208V: 36 in (914mm)
480V: 42 in (1067mm)
6InfraStruXure System—Installation and Start-Up
Weight Considerations
Ensure that the floor and sub-floor can support the total weight of the configuration when
concentrated on the leveling feet. If you are placing equipment on a raised floor, consult the flooring
manufacturer for loading requirements before installing equipment.
ComponentMaximum Weight
InfraStruXure PDU
With a transformer1225lb (556kg)
Without a transformer775lb (352kg)
NetShelter VX Base Enclosure (empty)351lb (160kg)
InfraStruXure System—Installation and Start-Up7
Heat Output
Consider the heat dissipation ratings of equipment to determine cooling requirements. Additional
cooling equipment may be required. Heat output of the InfraStruXure PDU is shown below.
Voltage
InfraStruXure PDU with a transformer208V input7169 BTU/hr
(2.10kW)
Note
480V input
600V input
The heat output is higher while batteries are charging. Under normal operating
conditions, battery recharging periods are infrequent.
7412 BTU/hr
(2.17kW)
4894 BTU/hr
(1.43kW)
8InfraStruXure System—Installation and Start-Up
Electrical Requirements and Specifications
d
o
Procedures requiring a licensed electrician
Procedures requiring a licensed electrician include:
• Connection of utility conductors
Electrical
Hazar
See als
Electrical requirements
• Installation of a 225-, 90-, or 75-amp circuit breaker
• Connection to the Main Input switch
• Wiring under the floor
To connect utility conductors, see Certified Electrician’s Instructions included with
your PDU documentation.
208V Input480V Input600V Input
Service distribution breaker
Conductors to main input switch
Recommended wire sizing
L1, L2, L3, N4/0AWG3 AWG4 AWG
G6 AWG8 AWG8 AWG
GEC4 AWG8 AW G8 AW G
† Provided by customer.
‡ The specifications are recommendations. Consult the NEC and local codes for requirements specific to your installation.
†‡
‡
225A90A75A
†
Transformer: 3W + G + GEC
No Transformer: 4W + G
3W + G + GEC3W + G + GEC
InfraStruXure System—Installation and Start-Up9
Emergency Power Off (EPO)
Overview
To provide a mechanism for emergency power off, attach a remote switch to the EPO interface on the
PDU monitoring unit through the user connection plate. The EPO interface (
PDU Main Input switch (
) and to the UPS internal EPO switch ().
) is connected to the
Sw itch
PDU
UPS
When the EPO is activated, the main input breaker to the PDU transformer is opened, the UPS DC
Disconnect breaker is opened, and the UPS System Enable switch is turned off. In this sequence,
there is no power from the PDU transformer and there is no power from the UPS inverters and
batteries.
APC offers an optional InfraStruXure EPO system (EPW9). Contact your APC sales
representative, or visit the APC Web site (www.apc.com) for more information.
Note
See “Connect an Emergency Power Off Switch” on page 18 for instructions on how to
connect an EPO switch to the PDU.
10InfraStruXure System—Installation and Start-Up
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