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York 150 Electronic Thermostat Field Wiring, Unitcontrol Board, FIELD WIRING 24 VOLT THERMOSTAT

Models: 120 150

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FIGURE 17 - ELECTRONIC THERMOSTAT FIELD WIRING

035-17311-002-A-0803

THERMOSTAT1

TERMINALS

TOREMOTESENSOR 2ET04701324IFUSED

UNITTERMINALS

STRIPTB1

24Volt

XTransformer

OCC

1ElectronicprogrammableThermostat2ET0770010024(includessubbase).

2TerminalsA1andA2providearelayoutputtoclosetheoutdoor economizerdamperswhenthethermostatswitchestotheset-backposition.

FIGURE 17 - ELECTRONIC THERMOSTAT FIELD WIRING

T-STAT

OCC

MINREMOTE POS

UNITCONTROL

BOARD

FIGURE 18 - FIELD WIRING 24 VOLT THERMOSTAT

18	Unitary Products Group

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York 150, 120 installation manual Electronic Thermostat Field Wiring, Unitcontrol Board, FIELD WIRING 24 VOLT THERMOSTAT

Contents

SINGLE PACKAGE ELECTRIC UNITS DM090, 120 and 7-1/2TO 12-1/2TON 380V, 3 Phase, 60 HZSINGLE PACKAGE AIR CONDITIONERS AND INSTALLATION MANUALTABLE OF CONTENTS 035-17311-002-A-0803LIST OF FIGURES LIST OF TABLES INSPECTION SAFETY CONSIDERATIONSGENERAL REFERENCENOMENCLATURE 6½ - 12½ Ton Predator Model Number NomenclatureA 3 A AA 035-17311-002-A-0803 NOMENCLATURE, ADDITONAL OPTIONSUnitary Products Group 035-17311-002-A-0803 035-17311-002-A-0803 Unitary Products GroupPRECEDING INSTALLATION INSTALLATIONINSTALLATION SAFETY INFORMATION FIGURE 1 - UNIT SHIPPING BRACKETFIGURE 4 - PREDATOR COMPONENT LOCATION TABLE 2 UNIT TEMPERATURE LIMITATIONS1.Unit is designed for outdoor installation only TABLE 1 UNIT VOLTAGE LIMITATIONSUNIT WEIGHTS TABLE 4 6 POINT LOAD WEIGHTTABLE 5 4 POINT LOAD WEIGHT LEFT471/2DETAIL A FIGURE 8 - UNIT DIMENSIONSUNIT CLEARANCES DETAIL BFIGURE 10 - REAR DUCT DIMENSIONS FIGURE 9 - BOTTOM DUCT OPENINGS FROM ABOVE035-17311-002-A-0803 FIGURE 11 - PREDATOR ROOF CURB DIMENSIONS DUCTWORKDUCT COVERS FIGURE 16 - CONDENSATE DRAIN COMPRESSORS FIGURE 13 - SIDE PANELS WITH HOLE PLUGSCONDENSATE DRAIN FIGURE 14 - RETURN DOWNFLOW PLENUM WITH FILTERSPOWER AND CONTROL WIRING THERMOSTAT WIRINGTABLE 7 CONTROL WIRE SIZES POWER WIRING DETAILFIGURE 17 - ELECTRONIC THERMOSTAT FIELD WIRING FIGURE 18 - FIELD WIRING 24 VOLT THERMOSTATUNITCONTROL BOARD FIGURE 19 - FIELD WIRING DISCONNECT 035-17311-002-A-0803 Models ELECTRIC HEAT ACCESSORIESComponent EvaporatorENTHALPY SET POINT ADJUSTMENT POWER EXHAUSTMINIMUM POSITION ADJUSTMENT ECONOMIZERFIGURE 20 - ENTHALPY SET POINT CHART APPROXIMATE DRY BULB TEMPERATURE - 0F 0CFIGURE 21 - HONEYWELL ECONOMIZER CONTROL W7212 BLOWER ROTATION FIGURE 22 - BELT ADJUSTMENTPHASING TABLE 16 SUPPLY AIR LIMITATIONS035-17311-002-A-0803 Unitary Products Group035-17311-002-A-0803 035-17311-002-A-0803 Unitary Products Group035-17311-002-A-0803 035-17311-002-A-0803 Unitary Products GroupNOTES FOR TABLE 17 THROUGH TABLE CHECKING AIR QUANTITY TABLE 29 INDOOR BLOWER SPECIFICATIONSAIR BALANCE METHOD ONESUPPLY AIR DRIVE ADJUSTMENT FIGURE 23 - DRY COIL DELTA PTABLE 31 MOTOR SHEAVE DATUM DIAMETERS OPERATIONTABLE 30 ADDITIONAL STATIC RESISTANCE SEQUENCE OF OPERATIONS OVERVIEWINTERMITTENT BLOWER ECONOMIZER WITH POWER EXHAUSTCONTINUOUS BLOWER NO OUTDOOR AIR OPTIONSLOW-PRESSURELIMIT SWITCH COOLING OPERATION ERRORSHIGH-PRESSURELIMIT SWITCH FREEZESTATSAFETY CONTROLS RESETTEMPERATURE LIMIT LIMIT SWITCH LSPRESTART CHECK LIST START-UPCOOLINGCHARGING THE UNIT OPERATING INSTRUCTIONS035-17311-002-A-0803 FILTERS NORMAL MAINTENANCETROUBLESHOOTING MOTORSFIGURE 24 - BASIC TROUBLESHOOTING FLOWCHART TABLE 37 UNIT CONTROL BOARD FLASH CODES035-17311-002-A-0803 COOLING TROUBLESHOOTING GUIDE 035-17311-002-A-0803 035-17311-002-A-0803 Norman Unitary5005 Products