Parameter Description and Options
| FORM | |
TABLE |
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MENU ITEM | DEFINITION | |
| THIS FEATURE IS ONLY AVAILABLE ON CONSTANT VOLUME | |
| UNITS WITH A SPACE SENSOR USING THE INTERNAL | |
SCHEDULE. THIS OPTION BRINGS THE UNIT UP TO THE CV | ||
| OCCUPIED COOLING OR CV OCCUPIED HEATING SETPOINTS | |
| PRIOR TO THE BEGINNING OF OCCUPIED OPERATION. | |
LAST ALARM 1 | THIS PARAMETER IDENTIFIES THE MOST RECENT ALARM | |
LAST ALARM 2 | THIS PARAMETER IDENTIFIES THE ALARM PRECEDING ALARM 1 | |
LAST ALARM 3 | THIS PARAMETER IDENTIFIES THE ALARM PRECEDING ALARM 2 | |
LAST ALARM 4 | THIS PARAMETER IDENTIFIES THE ALARM PRECEDING ALARM 3 | |
LAST ALARM 5 | THIS PARAMETER IDENTIFIES THE ALARM OLDEST IN HISTORY | |
THIS PARAMETER ENABLES LEAD LAG OPERATION FOR THE | ||
ENABLED | COMPRESSOR, OFF OR ON | |
| THIS GIVES THE STATUS OF THE BINARY INPUT FROM THE | |
LIMIT SWITCH #1 | LIMIT SWITCH TO THE UNIT CONTROLLER FOR HEAT SECTION 1 | |
| IN SECONDS. OFF - FAULTED, ON - NORMAL | |
| THIS GIVES THE STATUS OF THE BINARY INPUT FROM THE | |
LIMIT SWITCH #2 | LIMIT SWITCH TO THE UNIT CONTROLLER FOR HEAT SECTION 2 | |
| IN SECONDS. OFF - FAULTED, ON - NORMAL | |
| THIS GIVES THE STATUS OF THE BINARY INPUT FROM THE | |
LIMIT SWITCH #3 | LIMIT SWITCH TO THE UNIT CONTROLLER FOR HEAT SECTION 3 | |
| IN SECONDS. OFF - FAULTED, ON - NORMAL | |
| THIS FEATURE CAN BE USED TO TEMPORALLY REDUCE THE | |
LOADSHED | ELECTRICAL CONSUMPTION OF THE UNIT BY TURNING OFF | |
ALL OF THE ACTIVE COMPRESSORS. THIS FEATURE IS ONLY | ||
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| AVAILABLE THROUGH A COMMUNICATED INPUT. | |
| THIS PARAMETER IDENTIFIES IF THE SUPPLY VOLTAGE TO THE | |
LOW AC SUPPLY VOLTAGE DETECTED | CONTROL IS OUTSIDE THE ACCEPTABLE LIMITS. OFF = WITHIN | |
| LIMITS, ON = FAULTED, OUTSIDE LIMITS | |
LOW AMBIENT ECONOMIZER MINIMUM | THIS PARAMETER ESTABLISHES THE MINIMUM POSITION | |
FOR THE OUTDOOR AIR DAMPER DURING LOW AMBIENT | ||
POSITION | ||
OPERATION | ||
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| THIS PARAMETER IS USED TO TURN ON AND SET THE | |
| OUTDOOR TEMPERATURE AT WHICH THIS FEATURE BECOMES | |
LOW AMBIENT ECONOMIZER SETPOINT | ACTIVE. A 0 VALUE TURNS THE FEATURE OFF. THIS FEATURE | |
REDUCES THE MINIMUM VENTILATION POSITION OF THE | ||
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| OUTDOOR DAMPER DURING TIMES OF COLD OUTDOOR | |
| TEMPERATURES | |
| THIS PARAMETER MUST BE TURNED ON IF A LOW AMBIENT | |
LOW AMBIENT KIT INSTALLED | VFD IS INSTALLED ON THE CONDENSER FAN. THIS ALLOWS | |
| COMPRESSOR OPERATION BELOW 45.0° F | |
| THIS IS THE STATUS OF THE BINARY INPUT FROM THE LOW | |
LPS1 | PRESSURE SWITCH FOR COMPRESSOR SYSTEM 1 TO THE | |
| UNIT CONTROLLER. ON - OKAY, OFF - FAULTED. | |
| THIS IS THE STATUS OF THE BINARY INPUT FROM THE LOW | |
LPS2 | PRESSURE SWITCH FOR COMPRESSOR SYSTEM 2 TO THE | |
| UNIT CONTROLLER. ON - OKAY, OFF - FAULTED. | |
| Continued on next page |
148 | JOHNSON CONTROLS |
