HP 40cp User Manual download pdf (Page 12)

Illustrated parts catalog 12

Item Component Description

Dual power supplies with

battery backup

Provides 24 V DC power to the PLC, LED lighting, and ECS systems

Batteries Provides 24 V DC power to the PLC and ECS system

Control transformers Provides to the power flow control valve

240/120 V transformer Provides house power to the convenience outlets

—

PLC The computer that controls the ECS system (located on the inside

door of the control cabinet)

Cooling system component identification

The heat exchanger access hatches are located on top of the POD. The hatches are coated with a durable

finish to prevent corrosion.

Side view shown

Item Component Description

Heat exchangers Use facility chilled water to cool the air in the HP POD 40c NA

Heat exchanger fan

banks

Operate at variable speeds to maintain the preprogrammed differential

pressure setpoint and the hot aisle temperature setpoint

Chilled water supply Supplies facility chilled water to cool the HP POD 40c NA

Chilled water return Returns heated chilled water to the facility

HP POD 40c NA racks

The HP POD 40c NA contains a total of 20 IT racks.

CAUTION: If any racks contain empty RU space, use the HP POD 40c NA filler panels to

maintain the efficien

cy of the HP POD 40c NA thermal system. Filler panels are available from HP

in 10-pack quantities (part number AQ682A) and 100-pack quantities (part number AS993A).

For more information about racks and network cabling, see the HP Performance Optimized Datacenter

Networking Guide.

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HP 40cp User Manual Page 12