Attributes (Chiller Percent Load Setpoint Reset) - Johnson Controls - Metasys - LIT-12011147 - Software Application - Controller Configuration Tool - 13.1

Controller Tool Help

Brand
Johnson Controls
Metasys
Product name
Controller Configuration Tool
Document type
User Guide
Document number
LIT-12011147
Version
13.1
Revision date
2019-12-04
Language
English

The following table describes the attributes used by this module:

Table 1. Chiller Percent Load Setpoint Reset Attributes

Name

Type 1

Description

Default Value

Chiller Setpoint

 

Indicates the setpoint of the chillers, chill water.

 

Condenser Water Temperature

 

Indicates the condenser water temperature.

0 °C, 0 °F

Enable

 

Provides the enable input, which allows the process to run.

False

Lift High Range

 

Defines the upper end of the lift range. Lift is the difference between the entering condenser water temperature and the leaving chilled water temperature.

22.7 °C, 41 °F

Lift Low Range

 

Defines the lower end of the lift range. Lift is the difference between the entering condenser water temperature and the leaving chilled water temperature.

14.4 °C, 26 °F

Lower Opt Percent SP

 

Provides a setpoint output for the chiller lower percent load input on the Chiller Selector.

0.0%

Lower Opt SP-High Range

 

Indicates the high range input for the Lower Optimal Percent Setpoint.

40.0%

Lower Opt SP-Low Range

 

Indicates the low range input for the Lower Optimal Percent Setpoint.

30.0%

Period

 

Indicates the time, in minutes, that the calculation executes.

5 minutes

Upper Opt Percent SP

G

Provides a setpoint output for the chiller upper percent load input on the Chiller Selector.

0.0%

Upper Opt SP-High Range

 

Indicates the high range input for the Upper Optimal Percent Setpoint.

80.0%

Upper Opt SP-Low Range

 

Indicates the low range input for the Upper Optimal Percent Setpoint.

65.0%

1 C - Configuration Mode Only, G - Default Element (Generated State, if applicable), SC - Simulation and Commissioning Modes Only, V - Calculated Value (Outputs)