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American Power Conversion DX, FM manual 990-3127, APC Worldwide Customer Support, 10/2007

Models: DX FM

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APC Worldwide Customer Support

Customer support for this or any other APC product is available at no charge in any of the following ways:

•Visit the APC Web site to access documents in the APC Knowledge Base and to submit customer support requests.

–www.apc.com (Corporate Headquarters)

Connect to localized APC Web sites for specific countries, each of which provides customer support information.

–www.apc.com/support/

Global support searching APC Knowledge Base and using e-support.

•Contact an APC Customer Support center by telephone or e-mail.

–Regional centers

	Direct InfraStruXure	(1)(877)537-0607
	Customer Support Line	(toll free)
	APC headquarters U.S.,	(1)(800)800-4272
	Canada	(toll free)
	Latin America	(1)(401)789-5735
	Latin America	(USA)
		(USA)
	Europe, Middle East,	(353)(91)702000
	Africa	(Ireland)
	Western Europe (inc.	+800 0272 0272
	Scandinavia)	+800 0272 0272
	Scandinavia)
	Japan	(0) 36402-2001
	Australia, New Zealand,	(61) (2) 9955 9366
	South Pacific area	(Australia)

– Local, country-specific centers: go to www.apc.com/support/contact for contact information.

Contact the APC representative or other distributor from whom you purchased your APC product for information on how to obtain local customer support.

Entire contents copyright 2007 American Power Conversion Corporation. All rights reserved. Reproduction in whole or in part without permission is prohibited. APC, the APC logo, InfraStruXure, and NetworkAIR are trademarks of American Power Conversion Corporation. All other trademarks, product names, and corporate names are the property of their respective owners and are used for informational purposes only.

990-3127

990-3127

10/2007

Image 96

American Power Conversion DX, FM manual 990-3127, APC Worldwide Customer Support, 10/2007

Contents

60 Hz Operation, Maintenance, and TroubleshootingNetworkAIR FM DX Precision Air Conditioner Page American Power Conversion Legal Disclaimer Page Safety General InformationOperation ContentsMechanical and Refrigeration Inspection Checklist Temperature alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 Humidity alarms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 Maintenance intervals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40 Alarm delay Maintenance Network Management CardTroubleshooting WarrantyPage General Information Modules, Systems, and GroupsModule SystemGroup Safety Symbols Used in this ManualSafety symbols that may be used in this manual Cross-referencesymbols used in this manualSafety Hazards Lockout/tagoutElectrical hazards Static dischargeOperation Display InterfaceFunction Using the Display Interface Scrolling status screensStatus Screen Name Status Information DisplayedPassword entry Main menu screenNavigating the interface Change settings Factory default settingsStart the System Stop the SystemCommissioning Power On/Off Procedure Power onPower off Commissioning Checklists Initial Inspection ChecklistElectrical Inspection Checklist Mechanical and Refrigeration Inspection ChecklistEnsure that Ensure thatMechanical Inspection Air-cooledChecklist User Interface Box Inspection ChecklistEnsure that Ensure thatStart-upInspection Checklist While the equipment is operating, ensure thatFinal Inspection Checklist Ensure thatOwner Acceptance System Configuration System optionsPage Up Down System delays Sensor setup Building managementSettings for fluid-cooledoptions Applicable SettingsFluid-CoilType Flow Switch Multi Cndsr Vlv 3-way Valve typesActuator types Coil Fluid 3-wayEcon Isolator Valve Enable Economizer isolation valve optionalEcon Isolator Close Dly Econ Isolator Open Dly Page Contacts and Relays Input contactsDescription/Function Output relays Module Configuration Configure ModuleAlarm detectors Module Control Calibrate airflow manuallyCalibrate airflow automatically Reset Variable Frequency Drive Reset humidifierSet up humidifier Control the Environment How the modes workDX Dehumidify. Similar to DX cooling, the output for dehumidification is determined by the difference between the setpoint and the average return humidity from each of the Modules in the System if more than one Module is present. The deadband is used to engage both compressors incrementally with increasing demand. Each Module in the System is assigned an equal division of the deadband a percentage of relative humidity. Both compressors in a Module are engaged when the assigned division of the deadband above the setpoint is reached. If the average return humidity reaches the setpoint plus the entire deadband, all of the compressors will be engaged until the humidity drops below the setpoint plus the deadband. Unlike DX cooling, the compressors in each Module are normally set to work as a single unit instead of separately. The use of one or two compressors per Module is based on the Dehum. Capacity setting Path Main Menu Setup System # System Config System Options Setpoints Deadbands Cool Deadband Compressor Allocation Two-ModuleSystemTo set the dehumidify deadband for your System Modes Essential functionsHow to tune the PIDs PID controlsPID Tuning Correction ControlProportional IntegralAlarms Temperature alarmsHumidity alarms Maintenance intervalsAlarm delay Group Group configurationGroup settings ModeRange Share ifSystem failure events Display Password and time-outDate and time Temperature and pressure unitsAdjust display How to update the firmwareReset to defaults Product dataNetwork Configuration Network configurationView Status Readings Scrolling status screensModule status System status Group statusPath Main Status System # Path: Main > Status > GroupView Event Log View logRespond to Alarms Major or minor alarm LEDsView active alarms Clear active alarmsAlarm messages and suggested actions Displayed Alarm MessageAction Required Displayed Alarm Message Action RequiredCondensate Pump Fail Displayed Alarm Message Action RequiredEnv Temperature Low Displayed Alarm Message Action RequiredSystem Options Displayed Alarm Message Action RequiredHumidifier Displayed Alarm Message System Config System OptionsAction Required Comm Lost state, or OffDisplayed Alarm Message Action RequiredSupply Humidity High Displayed Alarm Message Action RequiredSystem Comm Lost Quick Configuration Network Management CardTCP/IP configuration methods OverviewAPC Device IP Configuration Wizard BOOTP and DHCP configurationPath Setup System Network Config A Vendor Class Identifier APC by default Remote access to the control console Control console 1.Choose Network from the Control Console menuAccess a Configured Unit OverviewWeb interface Telnet/SSHSNMP FTP/SCPRecover From a Lost Password Maintenance Monthly Preventive MaintenanceCleanliness EnvironmentMechanical ElectricalQuarterly Preventive Maintenance MechanicalElectrical Functional tests Verify the following modes of operationFull cooling Full reheat Humidification Dehumidification MultiCool EconomizerSemi-AnnualPreventive Maintenance CleanlinessMechanical ElectricalFunctional tests Measure the refrigerant pressuresTroubleshooting ProblemPossible Cause Corrective ActionProblem Possible CauseCorrective Action Compressor fails toProblem Possible CauseCorrective Action Compressor noisyProblem Possible CauseCorrective Action Head pressure tooProblem Possible CauseCorrective Action Suction pressure tooPage Warranty One-YearFactory WarrantyTerms of warranty Non-transferablewarrantyWarranty claims Warranty Procedures ClaimsParts Page Page 990-3127 APC Worldwide Customer Support990-3127 10/2007