Bryant 580J*08--14D, F appendix Supply Air Temperature SAT Sensor, Outdoor Air Lockout Sensor

Page 53

Supply Air Temperature (SAT) Sensor

The supply air temperature sensor is a 3 K thermistor located at the inlet of the indoor fan. (See Fig. 65.) This sensor is factory installed. The operating range of temperature measurement is 0° to 158_F (-18_to 70_C). See Table 16 for sensor temperature/resistance values.

SUPPLY AIR

TEMPERATURE

SENSOR

MOUNTING

LOCATION

SUPPLY AIR

TEMPERATURE

SENSOR

C06033

Fig. 65 - Supply Air Sensor Location

The temperature sensor looks like an eyelet terminal with wires running to it. The sensor is located in the “crimp end” and is sealed from moisture.

Outdoor Air Lockout Sensor

The EconoMi$er IV is equipped with an ambient temperature lockout switch located in the outdoor airstream which is used to lock out the compressors below

a42_F (6_C) ambient temperature. (See Fig. 60.)

EconoMi$er IV Control Modes

IMPORTANT: The optional EconoMi$er2 does not include a controller. The EconoMi$er2 is operated by a 4 to 20 mA signal from an existing field-supplied controller. See Fig. 63 for wiring information.

Determine the EconoMi$er IV control mode before set up of the control. Some modes of operation may require different sensors. (See Table 22.) The EconoMi$er IV is supplied from the factory with a supply-air temperature sensor and an outdoor-air temperature sensor. This allows for operation of the EconoMi$er IV with outdoor air dry bulb changeover control. Additional accessories can be added to allow for different types of changeover control and operation of the EconoMi$er IV and unit.

Outdoor Dry Bulb Changeover

The standard controller is shipped from the factory configured for outdoor dry bulb changeover control. The outdoor air and supply air temperature sensors are included as standard. For this control mode, the outdoor temperature is compared to an adjustable setpoint selected on the control. If the outdoor-air temperature is above the setpoint, the EconoMi$er IV will adjust the outside air dampers to minimum position. If the outdoor-air temperature is below the setpoint, the position of the outside air dampers will be controlled to provided free cooling using outdoor air. When in this mode, the LED next to the free cooling setpoint potentiometer will be on. The changeover temperature setpoint is controlled by the free cooling setpoint potentiometer located on the control. (See Fig. 66.)

The scale on the potentiometer is A, B, C, and D. See Fig. 63 for the corresponding temperature changeover values.

C06034

Fig. 66 - EconoMi$er IV Controller Potentiometer

and LED Locations

 

19

 

 

 

 

 

 

 

 

 

 

 

 

 

18

LED ON

 

 

 

 

 

 

 

 

 

 

 

 

 

D

 

 

 

 

 

 

 

 

 

 

17

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

16

 

LED OFF

LED ON

 

 

 

 

 

 

 

 

 

 

C

 

 

 

 

 

 

 

 

15

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

mA

14

 

 

 

LED OFF

 

LED ON

 

 

 

 

 

 

 

 

 

 

B

 

 

 

 

 

13

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

12

 

 

 

 

 

 

LED OFF

LED ON

 

 

11

 

 

 

 

 

 

 

 

 

 

A

 

 

10

 

 

 

 

 

 

 

 

 

LED OFF

 

 

 

 

 

 

 

 

 

 

 

 

 

 

9

 

50

 

 

 

 

 

 

 

 

 

100

 

40

45

55

60

65

70

75

80

85

90

95

 

 

 

 

 

DEGREES FAHRENHEIT

 

 

 

 

C06035

Fig. 67 - Outside Air Temperature Changeover

Setpoints

(cfm)

30

MINUTE

25

 

PER

20

15

FEET

10

CUBICIN

0

 

5

FLOW

0.13

0.20

0.22

0.25

0.30

0.35

0.40

0.45

0.50

 

 

STATIC PRESSURE (in. wg)

 

 

 

 

 

 

 

C06031

Fig. 68 - Outdoor-Air Damper Leakage

580J

53

Image 53
Contents Safety Considerations Table of ContentsWhat to do if you smell gas Unit Arrangement and AccessGeneral Seasonal Maintenance Routine MaintenanceManual Outside Air Hood Screen Supply FAN Blower SectionSupply Fan Belt-Drive Supply-Fan Pulley Adjustment Bearings Adjustable-Pitch Pulley on MotorCooling Coil Maintenance and Cleaning RecommendationCondenser Coil Evaporator CoilRoutine Cleaning of Evaporator Coil Surfaces Routine Cleaning of Novation Condenser Coil SurfacesPuronr R-410A Refrigerant Refrigerant System Pressure Access PortsEvaporator Coil Metering Devices Refrigerant ChargeSeatcore Cooling Charging Charts 08D,F Both Circuits Cooling Charging ChartsCooling Charging Charts 12D,F Both Circuits TON Circuit TON Circuit Problem Cause Remedy Cooling Service AnalysisCondenser-Fan Adjustment 14D,F size Condenser-Fan Adjustment 08D-12D,F sizeTroubleshooting Cooling System CompressorsNon-Powered Type Installing Weatherproof CoverUnit-Powered Type Convenience OutletsSmoke Detectors Supply Air SensorSmoke Detector Locations Fiop Smoke Detector Wiring and Response Completing Installation of Return Air Smoke SensorReturn Air Without Economizer All UnitsSensor and Controller Tests Controller Alarm Test Procedure Controller Alarm TestDirty Controller Test Procedure Dirty Sensor Test ProcedureSD-TRK4 Remote Alarm Test Procedure Detector CleaningRemote Test/Reset Station Dirty Sensor Test Dirty Sensor Test Using an SD-TRK4Troubleshooting Compressor Protection Protective DevicesFuel Types and Pressures GAS Heating SystemControl Circuit Flue Gas Passageways Supply Pressure SwitchCombustion-Air Blower Liquid Propane Supply Line Pressure RangesOrifice Projection Burners and IgnitersMain Burners Limit Switch Cleaning and AdjustmentCheck Unit Operation and Make Necessary Adjustments Burner Ignition LED Error Code DescriptionLED Indication Error Code Description Gas Valve Orifice ReplacementRed LED-Status LP Orifice Orifice SizesAltitude Compensation Heating Service Analysis Troubleshooting Heating SystemMinimum Heating Entering Air Temperature IGC IGC Board LED Alarm CodesRepairing Novation Condenser Tube Leaks Condenser Coil ServiceRTU-MP Control System Replacing Novation Condenser CoilRTU-MP Multi-Protocol Control Board Typical RTU-MP System Control Wiring Diagram Outdoor Air Temperature OAT Sensor Supply Air Temperature SAT SensorRTU-MP Controller Inputs and Outputs OutputsConnect T-55 Space Temperature SPT SensorsEconoMi$er Outdoor Air Enthalpy Control PNO HH57AC077 Economizer ControlsDifferential Enthalpy Control Wiring the Indoor Air Quality SensorReturn Air Enthalpy Sensor Indoor Air Quality CO2 SensorOutdoor Air Quality Sensor PNO 33ZCSENCO2 plus Connecting Discrete InputsWeatherproof Enclosure Filter StatusCommunication Wiring Protocols Power Exhaust outputCommunication LEDs RTU-MP TroubleshootingProtocol DS8 DS7 DS6 DS5 DS4 DS3 DS2 DS1 Baud Rate DS2 DS1LEDs on the RTU-MP show the status of certain functions LEDsTroubleshooting Alarms BACnet MS/TP AlarmsModule Status Report Modstat Example Modbus Basic Protocol TroubleshootingManufacture Date Code Name MeaningEconoMi$er IV Component Locations ECONOMI$ER SystemsEconoMi$er IV Wiring EconoMi$er IV Functional View EconoMi$er IV Input/Output LogicOutdoor Air Lockout Sensor Supply Air Temperature SAT SensorEconoMi$er IV Control Modes Outdoor Dry Bulb ChangeoverOutdoor Enthalpy Changeover Differential Dry Bulb ControlMinimum Position Control Exhaust Setpoint AdjustmentIndoor Air Quality IAQ Sensor Input Demand Control Ventilation DCV Damper MovementThermostats Analog CO2 CO2 Sensor ConfigurationCO2 Sensor Standard Settings EconoMi$er IV Sensor Usage DCV Demand Controlled Ventilation and Power ExhaustEconoMi$er IV Preparation Differential EnthalpyEconoMi$er IV Troubleshooting Completion Wiring DiagramsDCV Minimum and Maximum Position Supply-Air Sensor Input580J Typical Unit Wiring Diagram Power 08D,F, 208/230-3-60 C09157 START-UP, General PRE-START-UPUnit Preparation Gas PipingRefrigerant Service Ports Internal WiringReturn-Air Filters Outdoor-Air Inlet ScreensConfiguration Field Service TestUnit Start Delay START-UP, RTU-MP ControlSupply Fan Service Hours Filter Service HoursCompressor1 Service Hours Compressor2 Service HoursSpace Sensor Type InputInput 1 Function Input 2 FunctionBase Unit Controls Cooling, Units Without Economizer Operating SequencesHeating, Units Without Economizer Cooling, Unit With EconoMi$erDemand Controlled Ventilation Heating With EconoMi$erSupplemental Controls RTU-MP Sequence of OperationScheduling Always Occupied Default OccupancyLocal Schedule BACnet ScheduleEconomizer Power ExhaustCooling Indoor Air Quality Fastener Torque ValuesDemand Limit Torque ValuesModel Number Nomenclature Appendix I. Model Number SignificanceSerial Number Format Position Number12.5TONS Appendix II. Physical DataPhysical Data Physical Data Heating 12.5TONS Heat Anticipator Setting Amps580J**08 580J**12 580J**14 Gas Connection Natural Gas Heat, Liquid Propane HeatCFM RPM BHP Appendix III. FAN Performance580J**08 579 580J**12RPM BHP 580J**141260 General fan performance notesUnit MOTOR/DRIVE Motor Pulley Turns Open Combo Pulley AdjustmentElectrical Information NOM IFM FAN Motor Exhaust No P.E Unit Combustion PowerType DISC. Size MocpWiring Diagrams Appendix IV. Wiring Diagram ListCatalog No.SM580J---02 Appendix V. Motormaster Sensor Locations580J Preliminary Information Unit START-UP Checklist

580J*08--14D, F specifications

The Bryant F,580J*08--14D is an advanced heating and cooling system engineered for optimal performance and energy efficiency in residential and commercial applications. This innovative unit is designed to provide exceptional climate control while reducing operational costs, making it an ideal choice for those seeking reliable HVAC solutions.

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