Carrier 39L Series Installation, Operation, And Start-up Instructions

Also see for 39L Series: Installation, Start-Up and Service Instructions

Carrier 39L Series Installation, Operation, And Start-up Instructions Manual pdf 67 page image

Local Interface Device (HSIO) (Fig. 74) — TheHSIO consists of a keyboard with 6 function keys, 5 opera-tive keys, 10 numeric keys (0-9), and an alphanumeric8-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 ingreater detail in the Control Operation section of this book.The HSIO can be factory-or field-installed, and can be re-motely mounted if necessary.Table 10 — Local Interface Device Key UsageFUNCTIONKEYS USEStatus — Display diagnostic codes and currentoperating information about the machineQuick Test — Check inputs and outputs forproper operationHistory — Check latest service dates andalarms in order of occurrenceService — Enter specific unit configurationinformationSet Point — Enter operating set points andday/time/date, holiday, and daylight savingstime informationSchedule — Enter occupied/unoccupied sched-ules for unit operationOPERATIVEKEYS USEExpand Display — Display a non-abbreviatedexpansion of the displayClear — Clear the screen of all displaysUp Arrow — Return to previous display positionDown Arrow — Advance to next displaypositionEnter dataFig. 71 — Processor Module (PSIO Master/Slave)Fig. 72 — Relay Module (DSIO)LID — Local Interface DeviceFig. 73 — Sensor Bus Wiring (Communications)Fig. 74 — Local Interface Device67