Operator Interface

Figure 22

A general description of the top level modes is show in the following table.

Top Level Mode

Description

Stopped

Unit inhibited from running and will require

 

user action to go to Auto.

Run Inhibit

Unit inhibited from running by Tracer,

 

External BAS, or an Auto Reset diagnostic.

Auto

Unit determining if there is a need to run.

Waiting To Start

Unit waiting for tasks required prior to

 

compressor start to be completed.

Starting Compressor

Unit is starting compressor.

Running

Compressor is running with no limits in

 

effect.

Running – Limit

Compressor is running with limit in effect.

Preparing To Shutdown

Unit is closing inlet guide vanes prior to

 

compressor shutdown.

Shutting Down

Compressor has been stopped and unit is

 

performing shutdown tasks.

The machine-operating mode indicates the operational status of the chiller. A subscreen with additional mode summary information will be provided. When the user scrolls down the screen the Machine Operation Mode will remain stationary

On DynaView, the user will be presented with a single line of text that represents the ‘top-level’ operating state of the machine. These top-level modes are shown in the table below. Additional information (if it exists) regarding the machine operating state will be available to the user by selecting the “additional information” button (double right arrow) next to the top-level operating mode. These sub-level modes are shown in the table at left.

The TOP LEVEL MODE is the text seen on the single top level chiller system operating mode line. The SUB LEVEL MODE is the text seen on the operating mode sub-menu. The operating mode sub-menu may have up to six (6) lines of text displayed. The BAS CODE is the code that will be sent via COMM4 to the Tracer Summit system as the chiller system mode. Note that each top level mode may contain multiple sub level modes. In general, the BAS CODE will reflect the top level mode and not the sub level mode.

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Image 33
American Standard CH530 manual Top Level Mode Description