American Standard UV05 manual UVC configuration parameters OM

Page 47

UVC Configuration Parameters

UVC Configuration Parameters

The UVC is been provided with a number of configuration variables as listed in the following table. These configuration variables are stored in UVC non-volatile memory. For a description of supported network variables for each protocol, refer to Protocol Data Packet bulletin ED 15065.

Table 26: UVC configuration parameters (OM 751)

Configuration Parameter Name

Abr.

Notes

Default

LUI Menu

Item1

 

 

 

 

Occupied Cooling Setpoint

OCS

 

73°F (23°C)

Co

 

 

 

 

 

Standby Cooling Setpoint

SCS

 

77°F (25°C)

C5

 

 

 

 

 

Unoccupied Cooling Setpoint

UCS

 

82°F (28°C)

CU

 

 

 

 

 

Occupied Heating Setpoint

OHS

 

70°F (21°C)

Ho

 

 

 

 

 

Standby Heating Setpoint

SHS

 

66°F (19°C)

H5

 

 

 

 

 

Unoccupied Heating Setpoint

UHS

 

61°F (16°C)

HU

 

 

 

 

 

Local Bypass Time

 

Tenant override

120 min

 

 

 

 

 

 

Space CO2 Setpoint2

CO S

 

1200 PPM

 

 

2

 

 

 

Space Humidity Setpoint2

RHS

used with both active (reheat) and passive dehumidification

60% Rh

 

 

sequences

 

 

 

 

 

Emergency Heat Enable

 

0 = disable, 1 = enable (uses auxiliary heat where primary heat is

1

H1

 

 

not applicable)

 

 

 

 

Emergency Heat Setpoint

EHS

 

54°F (12°C)

H2

 

 

 

 

 

Emergency Heat Shutdown

 

0 = no emergency heat during shutdown, 1 = emergency heat

0

H3

Configuration

 

available during shutdown

 

 

 

Wall Sensor Type2

 

0 = +/- 3°F, 1 = 55°F to 85°F

0

r5

Slave Type Configuration2

 

0 = independent slave, 1 = dependent slave

0

SL

OAD Min Position High-Speed Setpoint

OADH

(this variable will be factory set to 5% open when the unit is ordered

20% open

o2

 

 

with optional CO2 DCV)

 

 

OAD Min Position Med-Speed Setpoint

OADM

(this variable is ignored when the unit is ordered with optional CO2

25% open

o3

 

DCV)

 

 

 

 

OAD Min Position Low-Speed Setpoint

OADL

(this variable is ignored when the unit is ordered with optional CO2

30% open

o4

 

DCV)

 

 

 

 

Exhaust Interlock OAD Min Position

EOAD

OA damper minimum position when the exhaust interlock input is

99% open

o5

Setpoint

 

energized

 

 

Energize Exhaust Fan OAD Setpoint

OADE

defines position above which exhaust fan output will be energized

12% open

o6

 

 

 

 

 

OAD Max Position Setpoint

OAMX

 

99% open

o7

 

 

 

 

 

OAD Lockout Enable

 

0 = disable, 1 = enable (this variable will be factory set to 1 when

0

o8

 

 

the unit is ordered as a recirc unit with no OAD)

 

 

 

 

OAD Lockout Setpoint

 

OA temperature below which the OA damper will remain closed

 

o9

 

OALS

(this variable will be factory set to –99°C when the unit is ordered

36°F (2°C)

 

 

as a recirc unit with no OAD)

 

 

Economizer Enable

 

0 = disable, 1 = enable

1

E1

 

 

 

 

 

Economizer OA Temp Setpoint

ETS

 

68°F (20°C)

E2

 

 

 

 

 

Economizer IA/OA Temp Differential

ETD

 

2°F (1°C)

e3

 

 

 

 

 

Economizer OA Enthalpy Setpoint

EES

 

25 btu/lb (58 kJ/kg)

e5

 

 

 

 

 

Economizer IA/OA Enthalpy Differential

EED

 

1.3 btu/lb (3 kJ/kg)

e6

 

 

 

 

 

External BI-3 Configuration

 

0 = Ventilation Lockout, 1 = Exhaust Interlock

0

B3

 

 

 

 

 

External BO-3 Configuration

 

0 = Exhaust Fan On/Off, 1 = Auxiliary Heat

0

B6

 

 

 

 

 

Filter Alarm Enable

 

0 = disable, 1 = enable

0

CE

 

 

 

 

 

Filter Change Hours Setpoint

 

fan run hours between filter change alarms

700 hrs

 

 

 

 

 

 

McQuay OM 751

47

Image 47
Contents Date November DX Cooling Only Software Model UV05Group Applied Systems Description of Operation UVC Configuration ParametersIntroduction Getting StartedDescription Manual # Model-specific unit ventilator installation literatureAccessory-specific installation literature Software program literature Extreme temperature can damage system componentsDescription Acronym Abr Acronyms/AbbreviationsAcronyms and abbreviations OCS Security Levels Using the Keypad/DisplayDisplay Format Keypad FunctionsArrow Keys Mode KeyON/STOP Key and LED FAN KeyChanging Set Points Using the Keypad/DisplayViewing Actual Indoor Air Temperature IAT Menu ReferenceRW1 Abr Description DefaultChlo State Programming Description of OperationUVC Unit Modes Complete UVC-state diagramDecimal OFF Mode StateUVC state names and numbers Normal UVC modes State namesFan Only Mode State a Night Purge Mode StateCant Heat State State D Emergency Heat Mode Super StateFull Heat State State Heat State State Auto ModeHeat Mode Super State Cant Heat State State B Cool Mode Super StateLow Limit State State E Econ State State Cool mode super state diagramMech State State Econ Mech State StateCant Cool State State C Special Purpose Unit ModesDischarge Air DA Heat State State Low Limit State State FShutdown Mode Pressurize ModeDepressurize Mode Purge ModePriority result Unit Mode PrioritySpecial purpose UVC unit mode priority Normal UVC mode priorityOccupancy mode priority Occupied ModeUnoccupied Mode Standby ModeAdditional Occupancy Features Networked Set Point Offset Capability Space Temperature Set PointsNetworked Space Temperature Sensor Capability Networked Set Point CapabilityEffective Set Point Calculations Remote Wall-Mounted Sensor with +/-3F Adjustment optionalEffective set point calculations Set point calculation examplesExample a Example B Given PI loops Discharge Air Temperature ControlProportional Integral PI Control Loops PI loop listProportional Band PI Control ParametersOccupied, Standby, and Bypass Operation Indoor Air Fan OperationIntegral Time Outdoor Air Damper Operation OA temp sensor Space humidity Economizer enableEconomizer Networked Space CO2 Sensor Capability Networked Space Humidity Sensor CapabilityNetworked Outdoor Humidity Sensor Capability CO2 Demand Controlled Ventilation optionalCompressor Cooling Lockout Compressor OperationAshrae Cycle Compressor EnvelopeOutdoor Air Fan Operation Compressor Minimum On and Off TimersCompressor Start Delay Floating-Point Actuator Auto-Zero, Overdrive and SyncExternal Binary Inputs Unoccupied Input SignalRemote Shutdown Input Signal Ventilation Lockout Input SignalExternal Binary Outputs Exhaust Interlock Input SignalLights On/Off Signal Fault SignalStart/Stop Calculation Exhaust Fan ON/OFF SignalAuxiliary Heat Signal Auxiliary heat start/stop calculationExpansion board Inputs and outputs, software model 05-DX cooling onlyPriority Fault description Reset Keypad Alarm and Fault MonitoringAlarm and fault code summary Discharge Air DX Cooling Low Limit Indication F3 DX Pressure Fault F1Compressor Envelope Fault F2 Space Temp Sensor Failure F0Discharge Air Temp Sensor Failure F7 Condensate Overflow Indication optional F4Space Coil DX Temp Sensor Failure F5 Outdoor Temp Sensor Failure F6Troubleshooting Temperature Sensors Temperature versus resistance Troubleshooting Humidity SensorsRH % VDC mV Troubleshooting Carbon Dioxide CO2 SensorsHumidity versus voltage CO2 versus voltage tableConfiguration Parameter Name Abr Default LUI Menu UVC configuration parameters OMAbr Default LUI Menu OAD Stroke Time Warranty