York BCH 036, 048 & 060 installation manual Safety Controls

Contents CONTENTS BCHINSTALLATION MANUAL SUNLINE SINGLE PACKAGE HEAT PUMPTABLE OF CONTENTS SEQUENCE OF OPERATIONS OVERVIEWCOOLING SEQUENCE OF OPERATION LIST OF FIGURES LIST OF TABLESINSPECTION SAFETY CONSIDERATIONSGENERAL REFERENCEPRODUCT NOMENCLATURE INSTALLATIONINSTALLATION SAFETY INFORMATION LIMITATIONSRIGGING AND HANDLING TABLE 1 UNIT APPLICATION DATA BCHLOCATION CLEARANCESFIGURE 1 - RECOMMENDED DRAIN PIPING COMPRESSORS DUCTWORKCONDENSATE DRAIN FIGURE 2 - COMPRESSOR RESTRAINING BRACKETSERVICE ACCESS FILTERSFIGURE 3 - TYPICAL FIELD POWER & CONTROL WIRING TYPICAL POWER WIRINGTYPICAL CONTROL WIRING COOLING / HEATING 24 VOLT THERMOSTATOPTIONS/ACCESSORIES POWER AND CONTROL WIRINGTABLE 2 CONTROL WIRE SIZES THERMOSTATTABLE 3 ELECTRIC HEATER CFM LIMITATIONS ECONOMIZER/MOTORIZED DAMPER AND RAIN HOODMINIMUM POSITION ADJUSTMENT FIGURE 4 - ENTHALPY SETPOINT ADJUSTMENTFIGURE 5 - HONEYWELL ECONOMIZER CONTROL W7212 ENTHALPY SET POINT ADJUSTMENTFIGURE 6 - FOUR AND SIX POINT LOADING TABLE 5 BCH 4 POINT LOADS WEIGHT DISTRIBUTIONTABLE 6 BCH 6 POINT LOADS WEIGHT DISTRIBUTION TABLE 4 CENTER OF GRAVITY ALL MODELSTABLE 8 OPERATING WEIGHTS LBS TABLE 7 PHYSICAL DATACOMPRESSORS Unitary Products Group None Unitary Products Group POWER SUPPLY TABLE 11 ELECTRIC HEAT CORRECTION FACTORSTABLE 12 VOLTAGE LIMITATIONS1 NOMINAL VOLTAGEFIGURE 8 - UNIT WITH ECONOMIZER RAINHOOD DETAIL “A”DETAIL “B” TABLE 13 UTILITIES ENTRY FIGURE 10 - UNIT DIMENSIONS REAR VIEWFIGURE 11 - DISCONNECT/BLOWER ACCESS LOCATION 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 PHASING FIGURE 12 - BELT ADJUSTMENTTABLE 20 STATIC RESISTANCES 5.Afteradjusting,re-tightennutsASEQUENCE OF OPERATIONS OVERVIEW OPERATIONFIGURE 13 - PRESSURE DROP ACROSS COIL COOLING SEQUENCE OF OPERATIONHIGH-PRESSURELIMIT SWITCH COOLING OPERATION ERRORSECONOMIZER SINGLE OR DUAL WITH POWER EXHAUST INTERMITTENT BLOWERLOW-PRESSURELIMIT SWITCH SAFETY CONTROLSCOMPRESSOR PROTECTION FREEZESTATSAFETY CONTROLS HEAT ANTICIPATOR SETPOINTS TABLE 21 ELECTRIC HEAT LIMIT CONTROL SETTINGSTART-UPCOOLING TABLE 22 ELECTRIC HEAT ANTICIPATOR SETPOINTSOPERATING INSTRUCTIONS TROUBLESHOOTINGCOOLING TROUBLESHOOTING GUIDE POST START CHECK LIST177820-YIM-A-0506 a.24 volts at the thermostat Y1 terminalUnitary Products Group UNIT FLASH CODES MAINTENANCENORMAL MAINTENANCE TABLE 23 UNIT CONTROL BOARD FLASH CODES177820-YIM-A-0506 MOTORSOUTDOOR COIL Unitary Products GroupNorman Unitary5005 Products