UVC Configuration Parameters
Configuration Parameter Name | Abr. | Notes | Default | LUI Menu | |
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Primary Cool Proportional Band |
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| 18°F (10°C) |
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Primary Cool Integral Time |
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| 180 sec |
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Secondary Cool Proportional Band |
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| 18°F (10°C) |
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Secondary Cool Integral Time |
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| 600 sec |
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Discharge Air Temp Proportional Band |
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| 4°F (2.22°C) |
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Discharge Air Temp Integral Time |
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| 300 sec |
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CO2 Proportional Band2 |
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| 100 PPM |
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CO Integral Time2 |
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| 600 sec |
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2 |
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Ventilation Cooling Low Limit Setpoint | VCLL | discharge air low limit during ventilation or economizer cooling | 54°F (12°C) | d2 | |
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Mechanical Cooling Low Limit Setpoint | MCLL | discharge air low limit during mechanical (compressor) cooling | 45°F (7°C) | d3 | |
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Discharge Air High Limit | DAHL |
| 140°F (60°C) |
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Space Fan Off Delay |
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| 30 sec |
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Fan Cycling Configuration |
| space fan operation during occupied, standby and bypass | 2 | CF | |
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| occupancy modes: 2 = continuous, 3 = cycle | |||
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Space Fan Speed Changes Per Hour |
| example: 6/60min = 10min (maximum of 1 fan speed change every | 6 |
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| 10min when fan in auto) |
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Space Fan Run Time Reset |
| reset total run time: 1 = reset (you must return the variable back to | 0 |
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| 0 after reset) |
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Compressor Run Time Reset |
| reset total run time: 1 = reset (you must return the variable back to | 0 |
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| 0 after reset) |
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Compressor Enable |
| 0 = disable, 1 = enable | 1 | C! | |
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Compressor Minimum On Time |
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| 180 sec |
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Compressor Minimum Off Time |
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| 300 sec |
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Compressor Cooling Lockout Setpoint | CCLO | OA temperature below which compressor cooling is not allowed | 63.5°F (17.5°C) |
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Compressor Envelope Cool Max In |
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| 120°F (48.89°C) |
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Compressor Envelope Cool Min In |
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| 28°F |
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Compressor Envelope Cool Max Out |
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| 160°F (71.11°C) |
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Compressor Envelope Cool Min Out |
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| 40°F (4.44°C) |
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Compressor Envelope Cool Max Ratio |
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| 0.00 |
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Compressor Envelope Cool Max Offset |
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| 88°F (48.89°C) |
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Compressor Envelope Cool Min Ratio |
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| 0.0 |
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Compressor Envelope Cool Min Offset |
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Auxiliary Heat Start Differential | AHSD | degrees above auxiliary heat start point where auxiliary heat ends | 2°F (1°C) | A1 | |
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Auxiliary Heat End Differential | AHED | degrees above auxiliary heat start point where auxiliary heat ends | 2°F (1°C) | A2 | |
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Auxiliary Heat Configuration |
| 0 = normally open heat device (hot water valve, etc.), | 0 | A3 | |
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| 1 = normally closed heat device (electric heat, etc.) | |||
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Space Humidity Sensor Enable2 |
| 0 = disable, 1 = enable (this variable will be factory set to 1 when | 0 |
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| the unit is ordered with optional humidity sensor) |
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Outdoor Humidity Sensor Enable2 |
| 0 = disable, 1 = enable (this variable will be factory set to 1 when | 0 |
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| the unit is ordered with optional humidity sensor) |
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48 | McQuay OM 751 |
