Emerson 3000/ITR manual Valve spring guide, Adjusting Collar Nut

Page 51

Component Operation and Maintenance

To raise the head pressure setting, turn the adjusting screw counterclockwise until the desired set- ting is obtained.

Figure 24 Johnson Controls valve adjustment

Range

Spring

Valve

 

Spring

 

Guide

Range Adjustment Screw

 

 

Top

 

Retainer

 

Insert screwdrivers under

 

the valve spring guide.

Manual Flushing—The valve may be flushed by inserting a screwdriver or similar tool under the two sides of the main spring and lifting. This action will open the valve seat and flush any dirt parti- cles from the seat. If this fails, it will be necessary to disassemble the valve and clean the seat.

High Pressure Valve - 350 PSIG System (2413 kPa) for 3 Ton Units (Metrex Valve)

Adjustment—The valve may be adjusted using a 1/8" diameter rod. Turn adjusting collar nut coun- terclockwise to raise head pressure. Turn it clockwise to lower head pressure. Rotation directions are as viewed from top of valve spring housing.

Figure 25 Metrex valve adjustment

Adjusting Collar Nut

45

Image 51
Contents Operation & Maintenance Manual 50 & 60Hz Page Table of Contents Standard Alarms Component Operation and MaintenanceFigures Tables Important Safety Instructions Page Glycool Chilled Glycol Cooling Systems System DescriptionsIntroduction Compressorized SystemsStartup Startup ProcedureStartup Features Operation with Icom ControlLarge and Small Displays Escape Key Down Arrow Key Liebert Icom Display Components and FunctionsIcon Key Name Function Keyboard icons and functionsNavigating Through the Liebert iCOM Display Percent System or Unit Cooling On/Off Date Sensor Reading Next Maintenance Evaporator Fan SpeedTime Most Recent Alarms Control Interface-Three Main MenusPassword is factory-set at Accessing Menus and Settings Viewing DataEntering the Password After highlighting the Password command line, pressAccessing Submenus Accessing Submenus on Small DisplaysAccessing Submenus on Large Displays Advanced Menu Unit Service Menu UnitStatus Menu System View Status Menu Unit 1 View User MenuChanging Operational Settings ServiceContacts Highlight the setting to be changed by pressing Enter Changing Liebert iCOM’s Display SettingsLiebert iCOM Service Menu Icons and Legend Graphical Data RecordNetwork Liebert iCOM U2U Ethernet Network Wiring for Unit-to-Unit Communications-U2UWiring a Liebert iCOM U2U Network Small Displays Sample Liebert iCOM network configurationsLarge Displays Wall-Mount Large DisplayCombining Large and Small Displays on a U2U Network Display Service/Network Liebert iCom Display Menu U2U network setup diagramLiebert iCOM Display Components and Functions Liebert iCOM wiring-Unit as shipped 194273 194273 P67 P66 P65 P64 P61 P63Control board U2U network setup screen Entering Network Setup InformationService Menu Unit # Viewing Multiple Units with a Networked Large DisplayAdvanced Menu Unit # Remote On / Off Display On / Off Single Unit FunctionsOperation Unit/Fan Control Start StopLoss of Power Alarm Fan Alarm / Fan Protection SettingsAutorestart Compressor Timing High Pressure AlarmDigital Scroll High Temperature Pump Down-Air Cooled with Condenser Only UnitsControl Types Proportional ControlPI Control Intelligent Control Chilled Water Only Compressor Overload Standard AlarmsAlarm Descriptions Change FilterHigh Head Pressure High TemperatureHigh Temperature and Low Temperature Simultaneously Humidifier Problem Infrared HumidifiersLow Humidity Loss of PowerLow Temperature Loss of Air FlowSet Alarms-User Menus Optional AlarmsComponent Operation and Maintenance System TestingSmoke Detector Fan Safety SwitchControl Transformer and Fuses High-Temp SensorZone leak detection kit installation scenarios Remote ShutdownDistance From Unit, feet m Belt FiltersBlower Package Fan Impellers and BearingsSuction pressures R407c Refrigeration SystemAir Distribution Suction PressureThermostatic Expansion Valve Operation AdjustmentDischarge Pressure SuperheatAir Cooled Condenser Water/Glycol Cooled Condensers Coaxial Condenser Outdoor fan/condenser configurationStartup Motorized Ball Valve-Digital Scroll CompressorControl Control MethodValve spring guide Adjusting Collar NutDrycooler Settings Aquastat settings-two-fan through four-fan drycoolersCooling Type Glycool Glycol Flow Control Compressor Functional Check Compressor ReplacementCompressor Oil Before Replacing or Returning a CompressorStandard Scroll Compressor Replacement Mechanical FailureElectrical Failure Glycol Solution Maintenance Digital Scroll Compressor Replacement ProcedureRemoving the Pan Cleaning the PanHumidifier Infrared HumidifierHumidifier Lamps Autoflush Infrared Humidifier Cleaning SystemChanging Humidifier Lamps Autoflush OperationSteam Generating Humidifier Autoflush ControlsControls 200-460 Replacing the CanisterHumidifier canister part numbers Part Capacity Number Voltage Lb/hr kg/hrDrain Tempering Feature Circuit Board AdjustmentsSymptom Possible Cause Check or Remedy TroubleshootingBlower troubleshooting Chilled water troubleshootingCompressor and refrigeration system troubleshooting Compressor and refrigeration system troubleshooting See 7.5.1 Compressor Functional Dehumidification troubleshootingGlycol pump troubleshooting Infrared humidifier troubleshootingSteam generating humidifier troubleshooting Reheat troubleshooting Monthly Maintenance Inspection Checklist Semiannual Maintenance Inspection Checklist Semiannual Maintenance Inspection Checklist Page That Ne tIti Ppor t Ti n

3000/ITR specifications

The Emerson 3000/ITR is a powerful and versatile instrument designed for industrial automation and process control applications. This modular platform integrates advanced features and technologies tailored to meet the needs of diverse industries including oil and gas, pharmaceuticals, and manufacturing.

One of the main features of the Emerson 3000/ITR is its exceptional scalability. The system can be easily expanded to accommodate growing operational demands. With its modular architecture, operators can add or remove components without significant downtime, ensuring continuous productivity. This flexibility allows businesses to adapt their systems to changing environments and requirements seamlessly.

The Emerson 3000/ITR leverages state-of-the-art communication technologies to ensure reliable data exchange between devices. With support for various protocols, including Hart, Modbus, and Profibus, the system can easily integrate with existing infrastructure. This adaptability enhances interoperability and simplifies the communication between field devices and control systems, promoting efficient data handling.

Built with robust security features, the Emerson 3000/ITR guarantees the integrity of sensitive data. The platform incorporates advanced encryption techniques and user authentication protocols to protect against potential cyber threats. This focus on security is essential in today’s digitally connected industrial environments.

Another key characteristic of the Emerson 3000/ITR is its user-friendly interface. The system is designed with operators in mind, featuring intuitive controls and comprehensive dashboards that provide real-time visibility into process performance. The graphical user interface simplifies complex operations, enabling quick decision-making and minimizing human errors.

Additionally, the Emerson 3000/ITR supports advanced analytics capabilities that enhance operational efficiency. By leveraging predictive analytics and machine learning algorithms, the system can identify patterns and anomalies, allowing for proactive maintenance and reducing the risk of unexpected downtime. This predictive maintenance approach helps organizations optimize their resources and extend the lifecycle of their equipment.

In conclusion, the Emerson 3000/ITR stands out as an exemplary solution for modern industrial automation. Its modular design, robust communication support, strong security measures, user-friendly interface, and advanced analytics capabilities make it an ideal choice for businesses looking to enhance their operational efficiency and adaptability. As industries continue to evolve, the Emerson 3000/ITR remains at the forefront, facilitating smarter and more efficient automation processes.