American Standard UV05 manual OAD Stroke Time

Page 49

 

 

UVC Configuration Parameters

 

 

 

 

 

Configuration Parameter Name

Abr.

Notes

Default

LUI Menu

Item1

 

 

 

 

OAD Stroke Time

 

 

90 sec

 

 

 

 

 

 

Split-System OA/DX Coil Temp

 

used on split-system units only to partially disable the compressor

 

 

 

 

envelope by setting the outside DX coil temperature to a fixed valid

327.76

 

 

 

value, enter 122°F (50°C) on split-systems, use 327.67 for self-

 

 

 

 

 

 

 

contained units (327.67 = invalid)

 

 

 

 

 

 

 

Application Name and Version Label

 

 

 

 

 

 

 

 

 

Compressor Start Delay

 

adjust the compressor delay used to prevent multiple compressor

 

C6

 

 

units from starting simultaneously (each unit or group of units

0 sec

 

 

should have a different delay setting)

 

 

Outdoor Fan Delay

 

 

10 sec

 

 

 

 

 

 

1.Indicates parameters accessible through the keypad/display.

2.Requires optional equipment.

McQuay OM 751

49

Image 49
Contents Group Applied Systems DX Cooling Only Software Model UV05Date November Introduction UVC Configuration ParametersGetting Started Description of OperationAccessory-specific installation literature Model-specific unit ventilator installation literatureDescription Manual # Software program literature Extreme temperature can damage system componentsAcronyms and abbreviations Acronyms/AbbreviationsDescription Acronym Abr OCS Display Format Using the Keypad/DisplayKeypad Functions Security LevelsON/STOP Key and LED Mode KeyFAN Key Arrow KeysViewing Actual Indoor Air Temperature IAT Using the Keypad/DisplayMenu Reference Changing Set PointsRW1 Abr Description DefaultChlo State Programming Description of OperationUVC Unit Modes Complete UVC-state diagramUVC state names and numbers OFF Mode StateNormal UVC modes State names DecimalFan Only Mode State a Night Purge Mode StateFull Heat State State Emergency Heat Mode Super StateCant Heat State State D Heat Mode Super State Auto ModeHeat State State Low Limit State State E Cool Mode Super StateCant Heat State State B Econ State State Cool mode super state diagramMech State State Econ Mech State StateDischarge Air DA Heat State State Special Purpose Unit ModesLow Limit State State F Cant Cool State State CDepressurize Mode Pressurize ModePurge Mode Shutdown ModeSpecial purpose UVC unit mode priority Unit Mode PriorityNormal UVC mode priority Priority resultUnoccupied Mode Occupied ModeStandby Mode Occupancy mode priorityAdditional Occupancy Features Networked Space Temperature Sensor Capability Space Temperature Set PointsNetworked Set Point Capability Networked Set Point Offset CapabilityEffective Set Point Calculations Remote Wall-Mounted Sensor with +/-3F Adjustment optionalExample a Example B Given Set point calculation examplesEffective set point calculations Proportional Integral PI Control Loops Discharge Air Temperature ControlPI loop list PI loopsProportional Band PI Control ParametersIntegral Time Indoor Air Fan OperationOccupied, Standby, and Bypass Operation Outdoor Air Damper Operation Economizer Economizer enableOA temp sensor Space humidity Networked Outdoor Humidity Sensor Capability Networked Space Humidity Sensor CapabilityCO2 Demand Controlled Ventilation optional Networked Space CO2 Sensor CapabilityAshrae Cycle Compressor OperationCompressor Envelope Compressor Cooling LockoutCompressor Start Delay Compressor Minimum On and Off TimersFloating-Point Actuator Auto-Zero, Overdrive and Sync Outdoor Air Fan OperationRemote Shutdown Input Signal Unoccupied Input SignalVentilation Lockout Input Signal External Binary InputsLights On/Off Signal Exhaust Interlock Input SignalFault Signal External Binary OutputsAuxiliary Heat Signal Exhaust Fan ON/OFF SignalAuxiliary heat start/stop calculation Start/Stop CalculationExpansion board Inputs and outputs, software model 05-DX cooling onlyAlarm and fault code summary Alarm and Fault MonitoringPriority Fault description Reset Keypad Compressor Envelope Fault F2 DX Pressure Fault F1Space Temp Sensor Failure F0 Discharge Air DX Cooling Low Limit Indication F3Space Coil DX Temp Sensor Failure F5 Condensate Overflow Indication optional F4Outdoor Temp Sensor Failure F6 Discharge Air Temp Sensor Failure F7Troubleshooting Temperature Sensors Temperature versus resistance Troubleshooting Humidity SensorsHumidity versus voltage Troubleshooting Carbon Dioxide CO2 SensorsCO2 versus voltage table RH % VDC mVConfiguration Parameter Name Abr Default LUI Menu UVC configuration parameters OMAbr Default LUI Menu OAD Stroke Time Warranty