Operation displayed

Description

 

 

Isolation damper

Indicates the position of the isolation damper,

 

100% means the damper is open

 

 

Water PID

Indicates the percentage of full flow water usage

Return damper

Indicates the position of the return damper, 100%

 

means the damper is open

Bypass damper

Indicates the position of the bypass damper,

 

100% means the damper is open

 

 

Cold aisle fan

Indicates the speed of the cold aisle fan

Outdoor damper

Indicates the position of the return damper, 100%

 

means the damper is open

OA temperature

Indicates the OA temperature

OA relative humidity

Indicates the OA relative humidity

OA dew point

Indicates the OA dew point temperature

The AD detail screen displays the following alarm conditions:

Alarm displayed

Description

 

 

Filter

Indicates that a filter needs to be changed

Fire/smoke

Indicates fire or smoke is detected

Hi water warning

Indicates water in the Adiabatic drain pan

Hi-Hi water critical

Indicates excessive water in the Adiabatic drain

 

pan

Heater over temperature

Indicates the AHU heater temperature is too high

AC power failure

Indicates the AHU power is in failure

CA temperature compare

Indicates the AHU discharge temperature is in

 

range of the other AHUs in the IT section

Winterize

Indicates the Adiabatic units are operating in

 

Winterize mode

If an alarm condition exists for the Adiabatic unit, the parameter that is out of range will turn amber or red, based on the severity of the alarm condition. For more information about alarm conditions, see "Alarms screen (on page 51)".

To view the details of another Adiabatic unit, click the PREV/NEXT buttons on the top of the screen. These buttons allow you to scroll numerically through all of the Adiabatic units.

Charts screen

The Charts screen displays the following information:

Psychrometric chart (on page 48)—Displays recommended and operational ranges for the HP POD 240e NA.

Readings chart (on page 48)—Displays static pressure, temperature, fan speed, water valve, or damper readings.

Environmental control system 47