Emerson DH, VH, DE, VE manual Table of Contents

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TABLE OF CONTENTS

1.0 INTRODUCTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1

1.1 System Description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

1.1.1 Compressorized Two-Step Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

1.1.2 Compressorized Four-Step Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1

1.1.3 Chilled Water Systems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

1.1.4 GLYCOOL™ (Chilled Glycol Cooling) Systems. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

1.1.5 Dual Source Cooling Systems . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

2.0 INITIAL START-UPPROCEDURE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

2.0.1 Additional Considerations for Upflow Units. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

3.0 ADVANCED MICROPROCESSOR CONTROLS SETUP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

3.1 Basics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

3.2 Display the Main Menu—AM Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

3.3 Main Menu (AM)—Status/Alarm Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

3.3.1 Active Alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

3.3.2 Operating Status . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

3.3.3 Alarm History Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

3.3.4 Run Hours Log . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

3.3.5 Analog Sensors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

3.4 Main Menu (AM)—Setpoints/Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

3.4.1 View Setpoints Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

3.4.2 Setup System Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

3.4.3 Run Diagnostics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

3.4.4 Change Passwords . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

3.5 Main Menu (AM)—Date and Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

3.6 Main Menu (AM)—Status Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

3.7 Load Control Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

3.7.1 Short Cycle Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

3.7.2 Sequential Load Activation Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

3.7.3 Compressor Sequencing Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

3.8 Control Circuit Board. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

3.8.1 LCD Display Contrast . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

3.8.2 Nonvolatile Memory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

3.8.3 DIP Switches. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

3.8.4 Control Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

3.9 Communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16

3.9.1 Monitor functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17 3.9.2 View/Change Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

4.0 ADVANCED MICROPROCESSOR WITH GRAPHICS CONTROL SETUP . . . . . . . . . . . . . . . . . . .18

4.1 Basics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18

4.2 Display the Main Menu—AG Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

4.3 Main Menu (AG)—Status Display. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20

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Contents Liebert Deluxe System/3 Page Table of Contents Main Menu AG-Run Diagnostics Temperature Control Alarm Descriptions and SolutionsSystem Testing Figures Page Introduction System DescriptionChilled Water Systems Glycool Chilled Glycol Cooling SystemsDual Source Cooling Systems Additional Considerations for Upflow Units Initial START-UP ProcedureAdvanced Microprocessor Controls Setup BasicsDisplay the Main Menu-AM Control Advanced microprocessor AM control menu Operating Status Main Menu AM-Status/Alarm DataActive Alarms Alarm History LogAnalog Sensors Main Menu AM-Setpoints/SetupSetup System Selection Default control and alarm setpointsSetup Operation Setup functions and factory default valuesFunction Default Range Calibrate Sensors Show DIP SwitchesDIP switch settings Select OptionsSelect Control Type Setup AlarmsAlarm Default Delay seconds Alarm default time delayStandard Alarm Messages Analog SetupHumidity Control Method Show Inputs Run DiagnosticsSet Status Display Calibrate ActuatorTest Control Board Change PasswordsMain Menu AM-Date and Time Test OutputsLoad Control Features Main Menu AM-Status DisplayControl Circuit Board Control Outputs DIP SwitchesCommunications Nonvolatile MemoryView/Change Functions Monitor functionsAdvanced microprocessor with graphics control panel Advanced Microprocessor with Graphics Control SetupAdvanced microprocessor with graphics AG control menu Main Menu AG-View/Set Alarms Display the Main Menu-AG ControlMain Menu AG-Status Display Alarm Seconds Default Time DelayInstallation-LT750 DIP Switch Settings Set Up Custom AlarmsStandard Custom Alarm Messages Setup Water Detect Floor PlanMain Menu AG-Setup System Main Menu AG-Operating StatusMain Menu AG-View/Set Control Setpoints IR Flush Overfill infrared humidifiers only Cold Start DelayAuto Restart Delay Default Settings and RangesSelect Control Algorithm Calibrate Valve ActuatorSelect Humidity Sensing Mode Main Menu AG-Run DiagnosticsShow Inputs Dehumidification with Normal or Delayed Reheat Main Menu AG-Date and TimeMain Menu AG-Plot Graphs Main Menu AG-Analog/Digital Inputs View 24 Hour Run Time History Set Up Digital InputsMain Menu AG-View Run Hours Log Read Digital InputsControl Circuit Board On/Off Status Time View Only Silence Alarm Response by Control TYPE-ADVANCED Microprocessor Controls Temperature ControlHeating Operation Electric Reheat Glycool CoolingDual Cooling Source Chilled Water CoolingControl Types Proportional Control Humidity ControlHot Water/Steam Heat Dehumidification/Humidification Required, in Percent %Dual Cooling Source Dehumidification Chilled Water DehumidificationHumidification Operation System Activation Suggested System Tuning Procedure Intelligent Control Load Control Features Additional connections available after unit delivery Connecting the Analog SensorsAnalog Sensors Changing factory-set sensor inputsSetup Water Detection DisplayPhysical Connections Calibration View/Change Functions Compressor Overload Standard AlarmsAlarm Descriptions and Solutions Change FilterHumidifier Problem Infrared Humidifiers Custom Alarms Only With Advanced ControlsHigh Temperature High Temperature and Low Temperature SimultaneouslyLow Humidity Loss of PowerLow Temperature Loss of Air FlowOptional/Custom Alarms Proportional Heating/Cooling/ Dehumidification System TestingComponent Operation and MAINTENANCE, Checks and Adjustments Environmental Control FunctionsFirestat Fan Safety SwitchElectric Panel Control Transformer and FusesBelts FiltersBlower Package Fan Impellers and BearingsRefrigeration System Electronic Variable Speed Drive InverterCompressor Oil Level Thermostatic Expansion Valve Operation Suction PressureDischarge Pressure Suction SuperheatHot Gas Bypass Valve Operation AdjustmentAir Cooled Condenser Outdoor fan/condenser configurationWater/Glycol Cooled Condensers Shell and Tube Condensers Adjustment Johnson Controls/Penn Johnson valvesTesting Function of Valve Glycol Solution MaintenanceCompressor Replacement Mechanical FailureElectrical Failure Compressor Replacement Procedure HumidifierInfrared Humidifier Humidifier lamps Autoflush Infrared Humidifier Cleaning SystemChanging Humidifier Lamps Autoflush OperationSteam generating humidifier Steam Generating HumidifierReplacing the Canister ControlsFaults-canister generator humidifier Humidifier canister part numbersPriority Name LED Indication Description Hz Models Lbs/hr kg/hr Circuit Board AdjustmentsSteam generating humidifier capacity CapacityElectric Reheat Unit Rated Rated Values Voltage CapacityVoltage AMP Set Pt Symptom Possible Cause Check or Remedy TroubleshootingBlower troubleshooting Chilled water troubleshootingCompressor and refrigeration system troubleshooting Compressor and refrigeration system troubleshooting Glycol pumps troubleshooting Dehumidification troubleshootingAdjustments on Humidifier-steam generator troubleshootingReheat troubleshooting Humidifier-infrared troubleshootingMaintenance Inspection CHECKLIST-MONTHLY Maintenance Inspection CHECKLIST-SEMIANNUAL That Ne tIti Ti n

VE, DH, VH, DE specifications

Emerson is a well-known brand in the field of automation solutions, offering a range of products that cater to various industries. Among its diverse portfolio, Emerson’s products like DE (Digital Electronics), VH (Variable Frequency Drives), DH (Distributed Control Systems), and VE (Valve Positioners) stand out for their advanced features, cutting-edge technologies, and unique characteristics.

Digital Electronics (DE) from Emerson represents the backbone of modern automation systems. These devices are characterized by their highly reliable digital communication capabilities, providing robust solutions for process monitoring and control. DE products integrate seamlessly with various automation platforms, allowing for easy data exchange and system interoperability. The advanced analytics embedded in these systems enable predictive maintenance strategies, enhancing overall operational efficiency.

Variable Frequency Drives (VH) are integral to motor control technologies, maximizing energy efficiency in various applications. Emerson's VH drives are designed for flexibility, supporting multiple motor types and configurations. These drives utilize pulse width modulation (PWM) technology, allowing for precise speed control and improved application performance. Their built-in protection features help extend motor life, prevent downtime, and reduce maintenance costs. Furthermore, the user-friendly interfaces of VH drives facilitate quick setup and troubleshooting.

Distributed Control Systems (DH) from Emerson provide a holistic approach to managing complex industrial processes. They enable centralized control while ensuring that local operations continue seamlessly. DH systems are characterized by their modular architecture, making them highly scalable and adaptable to changing operational needs. Advanced control algorithms within these systems help optimize processes, ensuring maximum productivity. Additionally, their enhanced cybersecurity features protect critical industrial operations from potential threats.

Emerson's Valve Positioners (VE) play a crucial role in regulating flow and pressure in various processes. These devices provide precise positioning capabilities, enhancing the performance of control valves. The VE systems incorporate smart technologies such as adaptive control and diagnostics, allowing them to self-tune and deliver accurate performance over time. Their compact design and robust build ensure they operate effectively in challenging environments.

In summary, Emerson's DE, VH, DH, and VE offerings embody the latest innovations in automation technology. Their main features, including digital communication, energy efficiency, scalability, and precision control, cater to the diverse demands of modern industries. With these products, Emerson not only enhances operational efficiency but also paves the way for intelligent automation solutions that are crucial for the future of industrial processes.
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