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 |
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
•Readings chart (on page