The design data does not affect the health score of a chiller. However, it helps to validate chiller operation checks more effectively. For a 30 series chiller, if the design data is unavailable, the DIR is still generated. However, the relevant data points will be blank or display error icons. The below image is for your reference:
Some design data for a 30 series chiller are configurable on the AHP portal. You can configure the design data on the Setting tab of the chiller details page. The type of the required key design data for the 30 series chiller depends on the model of the 30 series chiller. To learn more about the design data configuration, click here.
The design data sources are AHP and CCN points. Below is a summary of the required design data with their descriptions based on the chilled model number:
Design Data
| Description
| Source | Important Notes | Chiller Model Number
|
Type of Fluid
| It indicates the fluid used in the chiller system (e.g., water, glycol mix). It affects heat transfer efficiency and system compatibility.
| CCN - FLUID_TYP or 30 RAP: FLUIDTYP | North America - Mostly Glycol. South America - less glycol, overall, 50-50%. India and South Asia - 98% fresh water; less than 2% glycol. Glycol is primarily utilized in industrial applications.
| 30HXA, 30 HXC, 30RA, 30 RB, 30 RC, 30 RAP, 30XW, 30XV, 30 XA, 30 HWV, 30GX, 30 GT, 30 GTN
|
If Brine, then Type
| If the type of fluid is Brine, then it indicates the type of Brine fluid. | CCN | Propylene Glycol makes up 80% of glycol use, Ethaline 3-4%, with several other types also in regular use.
| 30HXA, 30 HXC, 30RA, 30 RB, 30 RC, 30 RAP, 30XW, 30XV, 30 XA, 30 HWV, 30GX, 30 GT, 30 GTN
|
Percentage of Glycol
| It indicates the percentage of glycol in the fluid. |
| North America - 25-30% Glycol but may reach 40-45%. Most engineers will specify in a 5% range.
| 30HXA, 30 HXC, 30RA, 30 RB, 30 RC, 30 RAP, 30XW, 30XV, 30 XA, 30 HWV, 30GX, 30 GT, 30 GTN
|
Setpoint
| It indicates the temperature that the chiller maintains during operation. | From CCN - CTRL_PNT | If the control point is unavailable (for example, not sent from FBOX), the alternative is to report only the minimum and maximum setpoint values, omitting the current setpoint. | 30HXA, 30 HXC, 30RA, 30 RB, 30 RC, 30 RAP, 30XW, 30XV, 30 XA, 30 HWV, 30GX, 30 GT, 30 GTN
|
Delta T
| The temperature difference between entering and leaving water. It is a key indicator of system performance and cooling load. | AHP | If the Delta T is unavailable or not entered in the AHP platform. The default value is 10-degree F (or equivalent conversion in degree C).
| 30HXA, 30 HXC, 30RA, 30 RB, 30 RC, 30 RAP, 30XW, 30XV, 30 XA, 30 HWV, 30GX, 30 GT, 30 GTN
|
Total Water flow - GPM
| It measures the volume of water circulating through the system. It is essential for ensuring the adequate heat exchange and system balance.
| Measurement | Technicians are encouraged to enter the latest flow readings made during inspections on the AHP platform for inclusion in the DIR.
| 30HXA, 30 HXC, 30RA, 30 RB, 30 RC, 30 RAP, 30XW, 30XV, 30 XA, 30 HWV, 30GX, 30 GT, 30 GTN
|
Minimum Condenser Water Temp
| It indicates the lowest allowable temperature of the water leaving the condenser (COND_LWT) that a chiller can operate with without compromising performance or triggering faults. | COND_LWT if available
| It is applicable for the water-cooled chillers only.
| 30HXA, 30 HXC, 30XW, 30XV, 30 XA, 30 HWV, 30GX, 30 GT, 30 GTN
|
Maximum Condenser Water Temp
| It indicates the highest allowable temperature of the water leaving the condenser (COND_LWT) that a chiller can safely operate with without causing performance degradation or triggering faults. | COND_LWT if available
| It is applicable for the water-cooled chillers only.
| 30HXA, 30 HXC, 30XW, 30XV, 30 XA, 30 HWV, 30GX, 30 GT, 30 GTN
|
What You Need to Do:
Make sure the above data is correct and updated on the AHP platform. To know more about the design data configuration, click here.
If you need any updates or corrections, reach out to your Service Manager for assistance.