Bryant 580J*08--14D, F Wiring Diagrams, DCV Minimum and Maximum Position, Supply-Air Sensor Input

Page 59

5.Turn the DCV setpoint potentiometer CW until the DCV LED turns off. The DCV LED should turn off when the potentiometer is approximately 9-v. The actuator should drive fully closed.

6.Turn the DCV and Exhaust potentiometers CCW until the Exhaust LED turns on. The exhaust contacts will close 30 to 120 seconds after the Exhaust LED turns on.

7.Return EconoMi$er IV settings and wiring to normal after completing troubleshooting.

DCV Minimum and Maximum Position

To check the DCV minimum and maximum position:

1.Make sure EconoMi$er IV preparation procedure has been performed.

2.Connect a 9-v battery to AQ (positive node) and AQ1 (negative node). The DCV LED should turn on. The actuator should drive to between 90 and 95% open.

3.Turn the DCV Maximum Position potentiometer to midpoint. The actuator should drive to between 20 and 80% open.

4.Turn the DCV Maximum Position potentiometer to fully CCW. The actuator should drive fully closed.

5.Turn the Minimum Position potentiometer to midpoint. The actuator should drive to between 20 and 80% open.

6.Turn the Minimum Position Potentiometer fully CW. The actuator should drive fully open.

7.Remove the jumper from TR and N. The actuator should drive fully closed.

8.Return EconoMi$er IV settings and wiring to normal after completing troubleshooting.

Supply-Air Sensor Input

To check supply-air sensor input:

1.Make sure EconoMi$er IV preparation procedure has been performed.

2.Set the Enthalpy potentiometer to A. The Free Cool LED turns on. The actuator should drive to between 20 and 80% open.

3.Remove the 5.6 kilo-ohm resistor and jumper T to T1. The actuator should drive fully open.

4.Remove the jumper across T and T1. The actuator should drive fully closed.

5.Return EconoMi$er IV settings and wiring to normal after completing troubleshooting.

EconoMi$er IV Troubleshooting Completion

This procedure is used to return the EconoMi$er IV to operation. No troubleshooting or testing is done by performing the following procedure.

1.Disconnect power at TR and TR1.

2.Set enthalpy potentiometer to previous setting.

3.Set DCV maximum position potentiometer to previous setting.

4.Set minimum position, DCV setpoint, and exhaust potentiometers to previous settings.

5.Remove 620-ohm resistor from terminals SR and +.

6.Remove 1.2 kilo-ohm checkout resistor from terminals SO and +. If used, reconnect sensor from terminals SO and +.

7.Remove jumper from TR to N.

8.Remove jumper from TR to 1.

9.Remove 5.6 kilo-ohm resistor from T and T1. Reconnect wires at T and T1.

10.Remove jumper from P to P1. Reconnect device at P and P1.

11.Apply power (24 vac) to terminals TR and TR1.

WIRING DIAGRAMS

See Fig. 73 and 74 for typical wiring diagrams.

580J

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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 MotorEvaporator Coil Coil Maintenance and Cleaning RecommendationCooling Condenser CoilRoutine Cleaning of Evaporator Coil Surfaces Routine Cleaning of Novation Condenser Coil SurfacesRefrigerant Charge Refrigerant System Pressure Access PortsPuronr R-410A Refrigerant Evaporator Coil Metering DevicesSeatcore 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 AnalysisCompressors Condenser-Fan Adjustment 08D-12D,F sizeCondenser-Fan Adjustment 14D,F size Troubleshooting Cooling SystemConvenience Outlets Installing Weatherproof CoverNon-Powered Type Unit-Powered TypeSmoke Detectors Supply Air SensorSmoke Detector Locations All Units Completing Installation of Return Air Smoke SensorFiop Smoke Detector Wiring and Response Return Air Without EconomizerSensor and Controller Tests Dirty Sensor Test Procedure Controller Alarm TestController Alarm Test Procedure Dirty Controller Test ProcedureDirty Sensor Test Using an SD-TRK4 Detector CleaningSD-TRK4 Remote Alarm Test Procedure Remote Test/Reset Station Dirty Sensor TestTroubleshooting Compressor Protection Protective DevicesFuel Types and Pressures GAS Heating SystemControl Circuit Liquid Propane Supply Line Pressure Ranges Supply Pressure SwitchFlue Gas Passageways Combustion-Air BlowerOrifice 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 CodesReplacing Novation Condenser Coil Condenser Coil ServiceRepairing Novation Condenser Tube Leaks RTU-MP Control SystemRTU-MP Multi-Protocol Control Board Typical RTU-MP System Control Wiring Diagram Outputs Supply Air Temperature SAT SensorOutdoor Air Temperature OAT Sensor RTU-MP Controller Inputs and OutputsConnect T-55 Space Temperature SPT SensorsEconoMi$er Outdoor Air Enthalpy Control PNO HH57AC077 Economizer ControlsIndoor Air Quality CO2 Sensor Wiring the Indoor Air Quality SensorDifferential Enthalpy Control Return Air Enthalpy SensorFilter Status Connecting Discrete InputsOutdoor Air Quality Sensor PNO 33ZCSENCO2 plus Weatherproof EnclosureCommunication Wiring Protocols Power Exhaust outputBaud Rate DS2 DS1 RTU-MP TroubleshootingCommunication LEDs Protocol DS8 DS7 DS6 DS5 DS4 DS3 DS2 DS1LEDs on the RTU-MP show the status of certain functions LEDsTroubleshooting Alarms BACnet MS/TP AlarmsModule Status Report Modstat Example Code Name Meaning Basic Protocol TroubleshootingModbus Manufacture DateEconoMi$er IV Component Locations ECONOMI$ER SystemsEconoMi$er IV Wiring EconoMi$er IV Functional View EconoMi$er IV Input/Output LogicOutdoor Dry Bulb Changeover Supply Air Temperature SAT SensorOutdoor Air Lockout Sensor EconoMi$er IV Control ModesOutdoor Enthalpy Changeover Differential Dry Bulb ControlMinimum Position Control Exhaust Setpoint AdjustmentIndoor Air Quality IAQ Sensor Input Demand Control Ventilation DCV Damper MovementThermostats Analog CO2 CO2 Sensor ConfigurationCO2 Sensor Standard Settings Differential Enthalpy DCV Demand Controlled Ventilation and Power ExhaustEconoMi$er IV Sensor Usage EconoMi$er IV PreparationSupply-Air Sensor Input Wiring DiagramsEconoMi$er IV Troubleshooting Completion DCV Minimum and Maximum Position580J Typical Unit Wiring Diagram Power 08D,F, 208/230-3-60 C09157 Gas Piping PRE-START-UPSTART-UP, General Unit PreparationOutdoor-Air Inlet Screens Internal WiringRefrigerant Service Ports Return-Air FiltersSTART-UP, RTU-MP Control Field Service TestConfiguration Unit Start DelayCompressor2 Service Hours Filter Service HoursSupply Fan Service Hours Compressor1 Service HoursInput 2 Function InputSpace Sensor Type Input 1 FunctionCooling, Unit With EconoMi$er Operating SequencesBase Unit Controls Cooling, Units Without Economizer Heating, Units Without EconomizerRTU-MP Sequence of Operation Heating With EconoMi$erDemand Controlled Ventilation Supplemental ControlsBACnet Schedule Always Occupied Default OccupancyScheduling Local ScheduleEconomizer Power ExhaustCooling Torque Values Fastener Torque ValuesIndoor Air Quality Demand LimitPosition Number Appendix I. Model Number SignificanceModel Number Nomenclature Serial Number Format12.5TONS Appendix II. Physical DataPhysical Data Natural Gas Heat, Liquid Propane Heat Heat Anticipator Setting AmpsPhysical Data Heating 12.5TONS 580J**08 580J**12 580J**14 Gas ConnectionCFM 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 Mocp Unit Combustion PowerNOM IFM FAN Motor Exhaust No P.E Type DISC. SizeWiring 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

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