American Power Conversion DX, FM manual Deadbands

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Deadbands

Path: Main > Control Environment > Deadbands

Cool: 02.0°F

Reheat: 02.0°F

Dehumid: 05.0%RH

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The deadband is the sensitivity range for a setpoint. It is the value above or below the setpoint at which the mode will output at full capacity. For the DX cool and DX dehumidification modes, the compressor stages are engaged one at a time as the temperature or humidity exceeds equal portions of the deadband (above the setpoint).

Acceptable deadband ranges:

•Cool: 0.28 –5.6°C (0.5–10.0°F)

•Reheat: 0.28–5.6°C ( 0.5–10.0°F)

•Dehumidify 1–10% Relative Humidity

Cool deadband. The Cool mode splits the deadband into equal segments according to the number of compressors in the System. A compressor is then assigned to each segment of the deadband above the setpoint. When the return temperature exceeds the temperature associated with that segment, the compressor engages and runs until the temperature drops below that segment.

To set the cool deadband for your System:

1.Determine the number of Modules in your System (1 – 3).

2.Multiply the number of Modules in your System by two.

3.Use this number as your cool deadband setting. This assigns each compressor a 1°F segment of the deadband above the setpoint.

4.Adjust the deadband setting higher or lower to increase or decrease the speed at which the System can respond to rising temperatures.

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NetworkAIR FM DX 60 Hz Operation, Maintenance, and Troubleshooting

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Contents Operation, Maintenance, and Troubleshooting Page American Power Conversion Legal Disclaimer Page Contents Commissioning Checklists Alarms Network Management Card Troubleshooting Warranty Page System Modules, Systems, and GroupsModule Group Cross-reference symbols used in this manual Symbols Used in this ManualSafety symbols that may be used in this manual Safety Hazards Lockout/tagout Electrical hazardsStatic discharge Safe refrigerant handling Moving parts Tools and partsOperation Display InterfaceStatus Screen Name Status Information Displayed Using the Display InterfaceScrolling status screens Navigating the interface Password entryMain menu screen Change settings Factory default settingsStart the System Stop the SystemCommissioning Power off Power On/Off ProcedurePower on Commissioning Checklists Initial Inspection ChecklistEnsure that Electrical Inspection ChecklistMechanical and Refrigeration Inspection Checklist Mechanical Inspection Air-cooled Checklist User Interface Box Inspection ChecklistStart-up Inspection Checklist While the equipment is operating, ensure thatFinal Inspection Checklist Owner AcceptanceSystem Configuration System optionsPage Page System delays Sensor setup Building managementSettings for fluid-cooled options Fluid-Coil Type Applicable SettingsValve types Actuator typesEconomizer isolation valve optional Coil fluid temperature activation threshold and deadband Contacts and Relays Input contactsMap Description/Function Output relays Alarm detectors Module ConfigurationConfigure Module Calibrate airflow automatically Module ControlCalibrate airflow manually Set up humidifier Reset Variable Frequency DriveReset humidifier Control the Environment How the modes workPage Setpoints Deadbands Cool Deadband Compressor Allocation Return air relative humidity Modes Essential functionsHow to tune the PIDs PID controlsHumidification sensitivity Loop Behavior PID Tuning CorrectionControl Proportional Integral Derivative Method Alarms Temperature alarmsHumidity alarms Maintenance intervalsAlarm delay Group configuration GroupGroup settings Mode Range Share ifSystem failure events Password and time-out Temperature and pressure unitsDisplay Date and timeAdjust display How to update the firmwareReset to defaults Product dataNetwork Configuration Network configurationView Status Readings Module statusSystem status Group statusView Event Log View logRespond to Alarms Alarm messages and suggested actions Displayed Alarm Message Action RequiredDisplayed Alarm Message Action Required Path Main Setup System # System Config Valve Types Check that the # Systems setting Path Main Setup Group Group Module Module Alarm Occurred in Module Control Reset Comm Lost state, or Off Displayed Alarm Message Action Required Displayed Alarm Message Action Required Overview Quick ConfigurationTCP/IP configuration methods APC Device IP Configuration Wizard Bootp and Dhcp configurationOption 43 = 01 04 31 41 50 43 where Remote access to the control console Control console Choose Network from the Control Console menuTelnet/SSH Access a Configured UnitWeb interface Snmp Recover From a Lost Password Environment Monthly Preventive MaintenanceCleanliness Mechanical ElectricalQuarterly Preventive Maintenance  Record the amperages for the following componentsFunctional tests Semi-Annual Preventive Maintenance  Measure the refrigerant pressures Troubleshooting Problem Possible Cause Corrective ActionProblem Possible Cause Corrective Action Problem Possible Cause Corrective Action Problem Possible Cause Corrective Action Problem Possible Cause Corrective Action Page Non-transferable warranty Exclusions One-Year Factory WarrantyTerms of warranty Warranty claims Parts Warranty ProceduresClaims Page Page 990-3127 10/2007

DX, FM specifications

The American Power Conversion (APC) DX,FM series represents a cutting-edge solution designed for critical power management and uninterruptible power supply (UPS) applications. Aimed at businesses and data centers that require robust power protection, this series balances high-performance capabilities with advanced technology features.

One of the key distinguishing features of the DX,FM series is its modular design. This allows users to scale their UPS system according to their needs, making it suitable for a variety of environments. Whether you're managing a small server room or a large data center, the modular architecture ensures that you can add or remove capacity with ease. This flexibility not only optimizes initial investments but also supports future growth seamlessly.

The series employs advanced battery technology, which extends battery life and enhances overall performance. With intelligent battery management systems, the DX,FM ensures that battery health is monitored in real-time, preventing premature failures and unnecessary replacements. This leads to reduced maintenance costs and maximizes uptime.

Additionally, the DX,FM series features innovative cooling solutions that enhance performance in high-density situations. Efficient thermal management reduces the risk of overheating, keeping valuable equipment operating optimally. This is particularly crucial in data centers where heat generated by servers can create potential disruptions.

Another significant characteristic of the DX,FM series is its sophisticated monitoring and management capabilities. Integrated with state-of-the-art software, users can gain remote access to their UPS units, enabling real-time tracking of performance metrics. This remote monitoring capability allows administrators to proactively manage power usage and ensure that systems are operating within safe parameters.

Furthermore, the DX,FM series is designed with a high level of redundancy. This built-in reliability feature ensures that if one unit fails, others can seamlessly take over, maintaining power supply continuity. This is critical for mission-critical environments where power outages could result in substantial financial losses or data loss.

In summary, the American Power Conversion DX,FM series incorporates modularity, advanced battery technology, effective cooling solutions, and sophisticated monitoring features to deliver an ideal power management solution for various organizations. Its design prioritizes flexibility, reliability, and efficiency, making it an essential investment for any business looking to safeguard its operations against power disruptions.
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