CAUTION: Making changes to the ECS in the service-level area can cause the cooling system components to fail. Only allow authorized, qualified, and trained personnel to change configuration settings in the service-level area of the ECS.

You must select Save to store the parameter changes in the system configuration file. If you do not save your changes, the old parameters stored in the configuration file reload when the system starts.

Item

Description

 

 

Control routine interval

Sets the interval within seconds when the control routine is activated

 

 

Set point

Sets the temperature and pressure setpoints

temperature/pressure

 

Temperature and pressure

Used by the low pass filter to even the measurement values out

time constant

 

P,I, and D gain

Proportional, integral, and differential gains influence the rate of change in the

 

position of the flow control valve or the fan speed in order to reach the

 

pre-determined setpoints.

 

 

ECS alarms

The alarms pertaining to the health of the HP POD 40c G2 and its components are relayed through the ECS.

Alarm

Meaning

Solution

 

 

 

Fan failure

One of the fans is not working.

See the HP Performance Optimized Datacenter

 

 

40c G2 Maintenance and Service Guide or

 

 

contact HP service if you are still within your

 

 

service contract.

 

 

 

Sensor failure

One of the sensors is not

See the HP Performance Optimized Datacenter

 

working.

40c G2 Maintenance and Service Guide or

 

 

contact HP service if you are still within your

 

 

service contract.

 

 

 

Leak detection

The drain pan sensor detects

See the HP Performance Optimized Datacenter

 

water in the pan.

40c G2 Maintenance and Service Guide or

 

 

contact HP service if you are still within your

 

 

service contract.

 

 

 

Change filter

The return air filters are full.

Replace the return air filters. For more

 

 

information, see the HP Performance Optimized

 

 

Datacenter 40c G2 Maintenance and Service

 

 

Guide.

 

 

 

High temperature

The cold aisle temperature has

1 Verify that you have water flowing into your

 

surpassed the setpoint

HP POD 40c G2 and the fans are

 

temperature.

operating.

 

 

2 Contact HP service if you are still within your

 

 

service contract.

 

 

 

Low temperature

The cold aisle temperature is

1 Verify that all components are operating

 

too low.

normally.

 

 

2 Contact HP service if you are still within your

 

 

service contract.

 

 

 

Environmental control system 54

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HP Performance Optimized Data Center (POD) 40c manual ECS alarms, 40c G2 Maintenance and Service Guide or

Performance Optimized Data Center (POD) 40c specifications

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