Local Interface Device (HSIO) (Fig. 74) Ð The HSIO consists of a keyboard with 6 function keys, 5 opera- tive keys, 10 numeric keys (0-9), and an alphanumeric 8-character liquid crystal display (LCD). Key use is ex- plained in Table 10. Each function has one or more subfunc- tions as shown in Table 11. These functions are described in greater detail in the Control Operation section of this book. The HSIO can be factory-or®eld-installed, and can be re- motely mounted if necessary.

Table 10 Ð Local Interface Device Key Usage

FUNCTION

USE

KEYS

 

 

Status Ð Display diagnostic codes and current

 

operating information about the machine

 

Quick Test Ð Check inputs and outputs for

 

proper operation

 

History Ð Check latest service dates and

 

alarms in order of occurrence

 

Service Ð Enter speci®c unit con®guration

 

information

 

Set Point Ð Enter operating set points and

 

day/time/date, holiday, and daylight savings

 

time information

 

Schedule Ð Enter occupied/unoccupied sched-

 

ules for unit operation

OPERATIVE

USE

KEYS

 

 

Expand Display Ð Display a non-abbreviated

 

expansion of the display

 

Clear Ð Clear the screen of all displays

 

 

 

Up Arrow Ð Return to previous display position

 

 

 

Down Arrow Ð Advance to next display

 

position

 

Enter data

 

 

Fig. 71 Ð Processor Module (PSIO Master/Slave)

Fig. 72 Ð Relay Module (DSIO)

LID Ð Local Interface Device

Fig. 73 Ð Sensor Bus Wiring (Communications)

Fig. 74 Ð Local Interface Device

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Carrier 39L specifications Local Interface Device Key Usage, Function USE Keys, Operative USE Keys

39L specifications

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