York BCH 036, 048 & 060 Enthalpy Setpoint Adjustment, HONEYWELL ECONOMIZER CONTROL W7212

Contents BCH INSTALLATION MANUALCONTENTS SUNLINE SINGLE PACKAGE HEAT PUMPTABLE OF CONTENTS SEQUENCE OF OPERATIONS OVERVIEWCOOLING SEQUENCE OF OPERATION LIST OF FIGURES LIST OF TABLESSAFETY CONSIDERATIONS GENERALINSPECTION REFERENCEINSTALLATION INSTALLATION SAFETY INFORMATIONPRODUCT NOMENCLATURE LIMITATIONSTABLE 1 UNIT APPLICATION DATA BCH LOCATIONRIGGING AND HANDLING CLEARANCESDUCTWORK CONDENSATE DRAINFIGURE 1 - RECOMMENDED DRAIN PIPING COMPRESSORS FIGURE 2 - COMPRESSOR RESTRAINING BRACKETSERVICE ACCESS FILTERSTYPICAL POWER WIRING TYPICAL CONTROL WIRINGFIGURE 3 - TYPICAL FIELD POWER & CONTROL WIRING COOLING / HEATING 24 VOLT THERMOSTATPOWER AND CONTROL WIRING TABLE 2 CONTROL WIRE SIZESOPTIONS/ACCESSORIES THERMOSTATTABLE 3 ELECTRIC HEATER CFM LIMITATIONS ECONOMIZER/MOTORIZED DAMPER AND RAIN HOODFIGURE 4 - ENTHALPY SETPOINT ADJUSTMENT FIGURE 5 - HONEYWELL ECONOMIZER CONTROL W7212MINIMUM POSITION ADJUSTMENT ENTHALPY SET POINT ADJUSTMENTTABLE 5 BCH 4 POINT LOADS WEIGHT DISTRIBUTION TABLE 6 BCH 6 POINT LOADS WEIGHT DISTRIBUTIONFIGURE 6 - FOUR AND SIX POINT LOADING TABLE 4 CENTER OF GRAVITY ALL MODELSTABLE 8 OPERATING WEIGHTS LBS TABLE 7 PHYSICAL DATACOMPRESSORS Unitary Products Group None Unitary Products Group TABLE 11 ELECTRIC HEAT CORRECTION FACTORS TABLE 12 VOLTAGE LIMITATIONS1POWER SUPPLY NOMINAL VOLTAGEFIGURE 8 - UNIT WITH ECONOMIZER RAINHOOD DETAIL “A”DETAIL “B” FIGURE 10 - UNIT DIMENSIONS REAR VIEW FIGURE 11 - DISCONNECT/BLOWER ACCESS LOCATIONTABLE 13 UTILITIES ENTRY TABLE 14 MINIMUM CLEARANCESUnitary Products Group Page Unitary Products Group TABLE 19 BELT DRIVE BLOWER MOTOR AND DRIVE DATA 177820-YIM-A-0506Unitary Products Group FIGURE 12 - BELT ADJUSTMENT TABLE 20 STATIC RESISTANCESPHASING 5.Afteradjusting,re-tightennutsAOPERATION FIGURE 13 - PRESSURE DROP ACROSS COILSEQUENCE OF OPERATIONS OVERVIEW COOLING SEQUENCE OF OPERATIONCOOLING OPERATION ERRORS ECONOMIZER SINGLE OR DUAL WITH POWER EXHAUSTHIGH-PRESSURELIMIT SWITCH INTERMITTENT BLOWERSAFETY CONTROLS COMPRESSOR PROTECTIONLOW-PRESSURELIMIT SWITCH FREEZESTATSAFETY CONTROLS TABLE 21 ELECTRIC HEAT LIMIT CONTROL SETTING START-UPCOOLINGHEAT ANTICIPATOR SETPOINTS TABLE 22 ELECTRIC HEAT ANTICIPATOR SETPOINTSTROUBLESHOOTING COOLING TROUBLESHOOTING GUIDEOPERATING INSTRUCTIONS POST START CHECK LIST177820-YIM-A-0506 a.24 volts at the thermostat Y1 terminalUnitary Products Group MAINTENANCE NORMAL MAINTENANCEUNIT FLASH CODES TABLE 23 UNIT CONTROL BOARD FLASH CODESMOTORS OUTDOOR COIL177820-YIM-A-0506 Unitary Products GroupUnitary 5005Norman Products