York DM090 installation manual List of Figures

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035-17311-003-A-0704

LIST OF FIGURES

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1 UNIT SHIPPING BRACKET . . . . . . . . . . . . . . . . . . . . 10 2 CONDENSER COVERING . . . . . . . . . . . . . . . . . . . . 10 3 COMPRESSOR SECTION . . . . . . . . . . . . . . . . . . . . . 10 4 PREDATOR® COMPONENT LOCATION . . . . . . . . . 11 5 UNIT 4 POINT LOAD . . . . . . . . . . . . . . . . . . . . . . . . . 12 6 UNIT 6 POINT LOAD . . . . . . . . . . . . . . . . . . . . . . . . . 12 7 UNIT CENTER OF GRAVITY . . . . . . . . . . . . . . . . . . . 12 8 UNIT DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . 13 9 BOTTOM DUCT OPENINGS (FROM ABOVE) . . . . . 14 10 REAR DUCT DIMENSIONS . . . . . . . . . . . . . . . . . . . . 14 11 PREDATOR® ROOF CURB DIMENSIONS . . . . . . . . 15

12 SUNLINE™ TO PREDATOR® TRANSITION ROOF CURBS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15

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13 SIDE PANELS WITH HOLE PLUGS . . . . . . . . . . . . . 16 14 RETURN DOWNFLOW PLENUM WITH PANEL . . . 16 15 DISCHARGE PANEL IN PLACE . . . . . . . . . . . . . . . . 16 16 CONDENSATE DRAIN . . . . . . . . . . . . . . . . . . . . . . . 16 17 ELECTRONIC THERMOSTAT FIELD WIRING . . . . 18 18 FIELD WIRING 24 VOLT THERMOSTAT . . . . . . . . . 18 19 FIELD WIRING DISCONNECT . . . . . . . . . . . . . . . . . 19 20 ENTHALPY SET POINT CHART . . . . . . . . . . . . . . . . 23 21 HONEYWELL ECONOMIZER CONTROL W7212 . . 23 22 BELT ADJUSTMENT . . . . . . . . . . . . . . . . . . . . . . . . . 24 23 DRY COIL DELTA P . . . . . . . . . . . . . . . . . . . . . . . . . 32 24 BASIC TROUBLESHOOTING FLOWCHART . . . . . . 40

Unitary Products Group

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Contents Installation Manual Table of Contents List of Figures List of Tables Reference Safety ConsiderationsGeneral InspectionNomenclature ½ 12½ Ton Predator Model Number NomenclatureNOMENCLATURE, Additonal Options Johnson UNT Controller, DFS, APS & Phase Monitor Technicoat Condenser Coil, Phase Monitor, & Coil Guard Installation Installation Safety InformationPreceding Installation Unit Temperature Limitations LocationRigging 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 Power Wiring Detail Thermostat WiringControl Wire Sizes Power and Control WiringElectronic Thermostat Field Wiring RLA 380 11.5 75.0 Electrical Data DM120 10 TON with Power Convenience OutletOPTIONS/ACCESSORIES Physical DataMinimum Supply AIR CFM Adjustments and Information Economizer and Power Exhaust SET PointEnthalpy SET Point Chart Belt Tension PhasingBlower Rotation Supply AIR Limitations1/2 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* †Method ONE Method TWO Indoor Blower SpecificationsAIR Balance Checking AIR QuantityDRY Coil Delta P Supply AIR Drive Adjustment Sequence of Operations Overview OperationAdditional Static Resistance Motor Sheave Datum DiametersCooling Sequence of Operation Compressor Protection Safety ControlsElectric Heat Antictpator Setpoints Electric Heating Operation ErrorsElectric Heat Limit Setting Electric Heating Sequence of OperationsCharging the Unit START-UP Cooling12.5 TON Standard Efficiency Superheat Charging 10 TON Standard Efficiency Superheat ChargingNormal Maintenance Troubleshooting GeneralPredator 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