York DM090 installation manual Installation Manual

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INSTALLATION

MANUAL

CONTENTS

GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . . . .5 INSPECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 REFERENCE. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 APPROVALS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 NOMENCLATURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .6 INSTALLATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10 OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .33 START-UP (COOLING). . . . . . . . . . . . . . . . . . . . . . . . . .37 NORMAL MAINTENANCE . . . . . . . . . . . . . . . . . . . . . . .39 TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . .39

See following pages for a complete Table of Contents.

NOTES, CAUTIONS AND WARNINGS

The installer should pay particular attention to the words: NOTE, CAUTION, and WARNING. Notes are intended to clarify or make the installation easier. Cautions are given to prevent equipment damage. Warnings are given to alert installer that personal injury and/or equipment damage may result if installation procedure is not handled properly.

CAUTION: READ ALL SAFETY GUIDES BEFORE YOU

BEGIN TO INSTALL YOUR UNIT.

SAVE THIS MANUAL

￿

SINGLE PACKAGE AIR CONDITIONERS AND

SINGLE PACKAGE ELECTRIC UNITS

DM090, 120 and 150

7-1/2 TO 12-1/2 TON

(380V, 3 Phase, 60 HZ)

035-17311-003-A-0704

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Contents Installation Manual Table of Contents List of Figures List of Tables General Safety ConsiderationsInspection ReferenceNomenclature ½ 12½ Ton Predator Model Number NomenclatureNOMENCLATURE, Additonal Options Johnson UNT Controller, DFS, APS & Phase Monitor Technicoat Condenser Coil, Phase Monitor, & Coil Guard Installation Safety Information InstallationPreceding Installation Location Unit Temperature LimitationsRigging and Handling Length of Forks Must be a Minimum of 60 Inches Point Load WeightDetail C Detail B Detail aBottom Duct Openings from Above Duct Covers DuctworkSide Panels with Hole Plugs Condensate Drain Control Wire Sizes Thermostat WiringPower and Control Wiring Power Wiring DetailElectronic Thermostat Field Wiring RLA 380 11.5 75.0 Electrical Data DM120 10 TON with Power Convenience OutletPhysical Data OPTIONS/ACCESSORIESMinimum Supply AIR CFM Adjustments and Information Economizer and Power Exhaust SET PointEnthalpy SET Point Chart Blower Rotation PhasingSupply AIR Limitations Belt Tension1/2 TON Optional Motor Down Shot Blower PERFORMANCE* † 1/2 TON Standard Motor Down Shot Blower PERFORMANCE* †10 TON Optional Motor Down Shot Blower PERFORMANCE* † 10 TON Standard Motor Down Shot Blower PERFORMANCE* †12-1/2 TON Optional Motor Down Shot Blower PERFORMANCE* † 12-1/2 TON Standard Motor Down Shot Blower PERFORMANCE* †1/2 TON Optional Motor Side Shot Blower PERFORMANCE* † 1/2 TON Standard Motor Side Shot Blower PERFORMANCE* †10 TON Standard Motor Down Shot Blower PERFORMANCE* † 12-1/2 TON Optional Motor Side Shot Blower PERFORMANCE* † 12-1/2 TON Standard Motor Side Shot Blower PERFORMANCE* †AIR Balance Indoor Blower SpecificationsChecking AIR Quantity Method ONE Method TWODRY Coil Delta P Supply AIR Drive Adjustment Additional Static Resistance OperationMotor Sheave Datum Diameters Sequence of Operations OverviewCooling Sequence of Operation Compressor Protection Safety ControlsElectric Heat Limit Setting Electric Heating Operation ErrorsElectric Heating Sequence of Operations Electric Heat Antictpator SetpointsCharging the Unit START-UP Cooling12.5 TON Standard Efficiency Superheat Charging 10 TON Standard Efficiency Superheat ChargingGeneral Normal Maintenance TroubleshootingPredator Flash Codes Unit Control Board Flash Codes Basic Troubleshooting FlowchartCooling Troubleshooting Guide Unitary Products Group 035-17311-003-A-0704 Unitary 5005 Norman Products York Group Drive 73069