APC 990-3051C-001 important safety instructions Inventory, How to perform a Total Power Off

Installation

Modular Rack-Mount Power

Distribution Unit

IMPORTANT SAFETY INSTRUCTIONS

SAVE THESE INSTRUCTIONS

This manual contains important instructions for the modular rack-mount Power Distribution Unit (PDU) that should be followed during installation and maintenance of this unit.

Handling Safety

Heavy: To prevent back injury, two or more people are required to install the PDU in a rack.

Electrical Safety

Warning: To reduce risk of electric shock or injury to persons, disconnect all sources of power before servicing.

Note: Install the unit in accordance with the National and Canadian Electrical Codes, and if applicable, local codes.

Note: To prevent arcing when removing an APC Power Distribution Module (PDM) from the PDU, set all PDMs to OFF. Do not remove the modules under load.

Inventory

Item	Part Number	Quantity
Modular rack-mount PDU 138 KW	0G-PDPM138H-5U 1
200 A 400 V 18 Pole 5U	and
	0G-PDPM72F-5U
Literature kit rack-mount PDU	0L 1532	1
Label kit rack-mount PDU	0M-8909
Rail stationary black	870-8197D-001	2
Rail adjustable black	870-8198D-001	2
Tray support chassis rack-mount PDU	870-14067	1
Screw M6x12 phil flat head	803-0608	6
Nut M6 flanged hex	803-2406A	6
Washer M6 black plastic cup	803-0009B	14
Screw M6x16 phillips/slot	803-0616B	14
Nut cage M6 14/16 swg	803-0006A	6
Bracket tie-down rear rack-mount PDU	870-14158	2
Plate blank cover brain PCB	870-14159	1

How to perform a Total Power Off

1Set all the APC Power Distribution Modules (PDM) to the OFF position.

2Set the utility/mains circuit breaker to the OFF position.

3If the utility/mains is an UPS, set the UPS and its circuit breaker supplying this product to the OFF position.

4Disconnect the input conductors from the utility/mains or the UPS.

Installation

How to install the PDU

1Install the mounting rails in the enclosure by using the screws provided. The PDU requires a 5U space from the top of the enclosure.

1

5 U

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2Slide the support tray into the mounting rails and secure it with the screws provided.

2

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3Slide the PDU on to the support tray and secure it to the front posts of the enclosure with the screws provided.

4Slide the bracket tie-downs onto the guide pins on the side of the PDU and secure the tie-downs to the back posts of the enclosure with the screws provided.

3 4

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990-3051C-001 12/2009