Carrier 50TCA04-A07 appendix Detector Cleaning, Changing the Dirt Sensor Test, Remote Station Test

Page 18

50TC

Changing the Dirt Sensor Test

By default, sensor dirty test results are indicated by: S The sensor’s Dirty LED flashing.

S The controller’s Trouble LED flashing.

S The controller’s supervision relay contacts toggle.

The operation of a sensor’s dirty test can be changed so that the controller’s supervision relay is not used to indicate test results. When two detectors are connected to a controller, sensor dirty test operation on both sensors must be configured to operate in the same manner.

To Configure the Dirty Sensor Test Operation

1.Hold the test magnet where indicated on the side of the sensor housing until the sensor’s Alarm LED turns on and its Dirty LED flashes twice (approximately 60 seconds).

2.Reset the sensor by removing the test magnet then holding it against the sensor housing again until the sensor’s Alarm LED turns off (approximately 2 seconds).

Remote Station Test

The remote station alarm test checks a test/reset station’s ability to initiate and indicate an alarm state.

!CAUTION

OPERATIONAL TEST HAZARD

Failure to follow this caution may result in personnel and authority concern.

This test places the duct detector into the alarm state. Unless part of the test, disconnect all auxiliary equipment from the controller before performing the test. If the duct detector is connected to a fire alarm system, notify the proper authorities before performing the test.

SD-TRK4 Remote Alarm Test Procedure

1.Turn the key switch to the RESET/TEST position for seven seconds.

2.Verify that the test/reset station’s Alarm LED turns on.

3.Reset the sensor by turning the key switch to the RESET/TEST position for two seconds.

4.Verify that the test/reset station’s Alarm LED turns off.

Remote Test/Reset Station Dirty Sensor Test

The test/reset station dirty sensor test checks the test/reset station’s ability to initiate a sensor dirty test and indicate the results. It must be wired to the controller as shown in Fig. 24 and configured to operate the controller’s supervision relay. For more information, see “Changing sensor dirty test operation.”

12

 

 

 

 

 

1

 

 

 

 

Smoke Detector Controller

 

TB3

 

 

 

 

 

 

 

 

 

 

1

−

 

Auxiliary

 

 

 

 

 

 

 

2

+

 

equipment

 

 

 

 

3

 

14

 

 

 

 

Supervision relay

 

 

SD-TRK4

 

 

 

 

 

contacts [3]

 

 

Trouble

 

 

 

 

 

 

 

13

 

 

5

 

 

 

18 Vdc (

+)

Power

 

 

19

4

 

 

 

 

Wire must be

 

 

 

Alarm

added by installer

15

 

 

1

 

 

 

 

 

 

 

 

 

Reset/Test

23

18 Vdc (

−)

20

2

C08247

Fig. 24 - Remote Test/Reset Station Connections

!CAUTION

OPERATIONAL TEST HAZARD

Failure to follow this caution may result in personnel and authority concern.

If the test/reset station’s key switch is left in the RESET/TEST position for longer than seven seconds, the detector will automatically go into the alarm state and activate all automatic alarm responses.

!CAUTION

OPERATIONAL TEST HAZARD

Failure to follow this caution may result in personnel and authority concern.

Holding the test magnet to the target area for longer than seven seconds will put the detector into the alarm state and activate all automatic alarm responses.

Dirty Sensor Test Using an SD-TRK4

1.Turn the key switch to the RESET/TEST position for two seconds.

2.Verify that the test/reset station’s Trouble LED flashes.

DETECTOR CLEANING

Cleaning the Smoke Detector

Clean the duct smoke sensor when the Dirty LED is flashing continuously or sooner if conditions warrant.

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Contents Table of Contents Safety ConsiderationsSeasonal Maintenance Unit Arrangement and AccessRoutine Maintenance GeneralSupply FAN Blower Section Supply Fan Belt-DriveAdjustable-Pitch Pulley on Motor Supply-Fan Pulley Adjustment BearingsCondenser Coil Maintenance and Cleaning Recommendation CoolingCondenser Coil Cleaning Condenser Coil Two-Row CoilsEvaporator Coil Refrigerant System Pressure Access PortsPuronr R-410A Refrigerant Refrigerant ChargeTo Use Cooling Charging Charts CoreMax Access Port AssemblyCooling Charging Charts Cooling Charging ChartsCooling Charging Charts Filter Drier Troubleshooting Cooling SystemCompressor Condenser-Fan LocationCooling Service Analysis Problem Cause RemedyConvenience Outlets Smoke DetectorsSystem ControllerSensor Completing Installation of Return Air Smoke Sensor Smoke Detector LocationsFiop Smoke Detector Wiring and Response Return Air Sensor Operating PositionDirty Controller Test Sensor and Controller Tests Sensor Alarm TestController Alarm Test Dirty Sensor TestCleaning the Smoke Detector Detector CleaningRemote Test/Reset Station Dirty Sensor Test Changing the Dirt Sensor TestDetector Indicators IndicatorsAlarm State Control or Indicator DescriptionTroubleshooting Protective DevicesControl Circuit Electric HeatersRelief Device Condenser Fan Motor ProtectionCompleting Heater Installation Typical Single Point InstallationPremierlinkt Control PremierLink ControllerPremierLink Wiring Schematic 55 Space Temperature Sensor Wiring Temp ResistanceTemperature Enthalpy Sensor PremierLink Sensor UsageOutdoor AIR Return AIR Field Connection Input Signal Space Sensor ModeThermostat Mode TB1 Terminal Field Connection Input SignalLctb Outside and Return Air Enthalpy Sensor Wiring Indoor CO2 Sensor 33ZCSENCO2 Connec TionsColor Code Recommendations CCN BUS Wire CCN Plug PIN Color NumberRecommended Cables ManufacturerEconomizer Systems PremierLink CCN Bus ConnectionsInputs Outputs RUNOutdoor Air Lockout Sensor Supply Air Temperature SAT SensorEconoMi$er EconoMi$er IV Control ModesDifferential Dry Bulb Control Outdoor Enthalpy ChangeoverEnthalpy Changeover Setpoints Indoor Air Quality IAQ Sensor InputDamper Movement Exhaust Setpoint AdjustmentMinimum Position Control ThermostatsCO2 Sensor Configuration Demand Control Ventilation DCVEconoMi$er IV Sensor Usage Differential Enthalpy DCV Demand Controlled Ventilation and Power ExhaustEconoMi$er IV Preparation Single EnthalpyWiring Diagrams EconoMi$er IV Troubleshooting CompletionPRE-START-UP START-UP, General START-UP, Premierlink ControlsInitial Operation and Test Memory ResetPerform System Check-Out Operating Sequence, Base Unit ControlsOperating Sequence, PremierLink Control 50TC Available Cooling Stages Number Stages EconomizerOAT ≤ SPT 50TC 50TC Loadshed Command Gas and Electric Heat Units Fastener Torque ValuesLinkage Modes 50TC Typical Unit Wiring diagram Power A06 Torque Values50TC Unit Wiring Diagram Control A06 Serial Number Format Appendix I. Model Number SignificanceModel Number Nomenclature Position Number Typical DesignatesAppendix II. Physical Data Physical Data Cooling TonsAppendix III. FAN Performance General Fan Performance NotesTon Horizontal Supply Ton Vertical SupplyCFM RPM BHP Standard Static Option 5541215 11701165 1225 120650TC**05 Phase Ton Horizontal Supply 724 765Phase Ton Horizontal Supply 923 1019 822 927 1018872 973 1061 974 1067Pulley Adjustment Unit MOTOR/DRIVE Motor Pulley Turns Open ComboAppendix IV. Electrical Data Appendix IV. Electrical Data FLAMCA/MOCP Determination no C.O. or Unpwrd C.O MCA/MOCP Determination no C.O. or Unpwrd C.O. 78/89152 159 Appendix V. Wiring Diagram List Wiring DiagramsAppendix VI. Motormaster Sensor Locations 50TC*A04 Outdoor CircuitingAppendix VI. cont Motormaster Sensor Locations Catalog No 50TC---1SM START-UP Checklist Pressures Cooling ModeRemove and Store in Job File

50TCA04-A07 specifications

The Carrier 50TCA04-A07 is a prominent model from Carrier, a leader in the heating, ventilation, and air conditioning (HVAC) industry. Designed for commercial applications, this unit exemplifies advanced technology and reliability, catering to a wide array of cooling needs.

One of the most notable features of the Carrier 50TCA04-A07 is its high efficiency. With a cooling capacity that suits various settings, it is engineered to provide excellent performance with minimal energy consumption. The unit achieves impressive Seasonal Energy Efficiency Ratio (SEER) ratings, which not only reduce operational costs but also lower the environmental impact.

The Carrier 50TCA04-A07 employs state-of-the-art inverter technology. This innovation allows the compressor to operate at varying speeds, adjusting its output according to the cooling demand. Consequently, the system can maintain optimal comfort levels while using less energy. Additionally, the inverter technology contributes to quieter operation, making it a suitable choice for environments where noise is a concern.

Durability is a hallmark of the Carrier 50TCA04-A07. Constructed with robust materials, this model is designed to withstand harsh conditions and ensure long-term reliability. The unit is equipped with corrosion-resistant components, extending its lifespan and maintaining performance quality over time.

Another significant characteristic of the Carrier 50TCA04-A07 is its advanced control system. The integrated control panel provides easy access to performance settings and monitoring capabilities. Users can effortlessly adjust temperatures and modes, ensuring a customizable climate. Furthermore, compatibility with smart building management systems enhances operational efficiency and real-time monitoring.

Regarding safety features, the Carrier 50TCA04-A07 is equipped with multiple sensors and automated responses to prevent overheating and ensure safe operation. These safety mechanisms not only protect the unit but also contribute to the overall safety of the installation environment.

In summary, the Carrier 50TCA04-A07 is a highly efficient, durable, and technologically advanced HVAC solution for commercial spaces. Its innovative features, including inverter technology, robust construction, and smart control systems, set it apart in the market, making it a reliable choice for businesses seeking to optimize their climate control needs while minimizing energy consumption and operational costs.
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