Illustrated parts catalog 12
Item
Component
Description
7
Dual power supplies with
battery backup
Provides 24 V DC power to the PLC, LED lighting, and ECS systems
8
Batteries
Provides 24 V DC power to the PLC and ECS system
9
Control transformers
Provides to the power flow control valve
10
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
1
Heat exchangers
Use facility chilled water to cool the air in the HP POD 40c NA
2
Heat exchanger fan
banks
Operate at variable speeds to maintain the preprogrammed differential
pressure setpoint and the hot aisle temperature setpoint
3
Chilled water supply Supplies facility chilled water to cool the HP POD 40c NA
4
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 efficiency 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
.