blockChillerLifts
Calculate the maximum and minimum enabled chiller lifts
Information
Block that outputs the maximum and minimum lifts of the enabled chillers. It is based on ASHRAE Guideline 36-2021, section 5.20.4.14.
yLifMin and yLifMax shall be calculated as the averages of
minChiLif and maxChiLif for operating chillers, respectively.
Parameters
| Type | Name | Default | Description |
|---|---|---|---|
| Integer | nChi | 2 | Total number of chillers |
| Real[nChi] | minChiLif | {12, 12} | Minimum LIFT of each chiller |
| Real[nChi] | maxChiLif | {18, 18} | Maximum LIFT of each chiller |
Connectors
| Type | Name | Default | Description |
|---|---|---|---|
| Buildings.Controls.OBC.CDL.Interfaces.BooleanInput[nChi] | uChi | Vector of chillers proven on status: true=ON | |
| Buildings.Controls.OBC.CDL.Interfaces.RealOutput | yLifMax | Maximum LIFT among enabled chillers | |
| Buildings.Controls.OBC.CDL.Interfaces.RealOutput | yLifMin | Minimum LIFT among enabled chillers |
Revisions
-
August 2, 2025, by Jianjun Hu:
First implementation.