York 048 & 060, BCH 036 Pressure Drop Across Coil, Sequence Of Operations Overview

Contents SUNLINE SINGLE PACKAGE HEAT PUMP BCHINSTALLATION MANUAL CONTENTSTABLE OF CONTENTS SEQUENCE OF OPERATIONS OVERVIEWCOOLING SEQUENCE OF OPERATION LIST OF TABLES LIST OF FIGURESREFERENCE SAFETY CONSIDERATIONSGENERAL INSPECTIONLIMITATIONS INSTALLATIONINSTALLATION SAFETY INFORMATION PRODUCT NOMENCLATURECLEARANCES TABLE 1 UNIT APPLICATION DATA BCHLOCATION RIGGING AND HANDLINGFIGURE 2 - COMPRESSOR RESTRAINING BRACKET DUCTWORKCONDENSATE DRAIN FIGURE 1 - RECOMMENDED DRAIN PIPING COMPRESSORSFILTERS SERVICE ACCESSCOOLING / HEATING 24 VOLT THERMOSTAT TYPICAL POWER WIRINGTYPICAL CONTROL WIRING FIGURE 3 - TYPICAL FIELD POWER & CONTROL WIRINGTHERMOSTAT POWER AND CONTROL WIRINGTABLE 2 CONTROL WIRE SIZES OPTIONS/ACCESSORIESECONOMIZER/MOTORIZED DAMPER AND RAIN HOOD TABLE 3 ELECTRIC HEATER CFM LIMITATIONSENTHALPY SET POINT ADJUSTMENT FIGURE 4 - ENTHALPY SETPOINT ADJUSTMENTFIGURE 5 - HONEYWELL ECONOMIZER CONTROL W7212 MINIMUM POSITION ADJUSTMENTTABLE 4 CENTER OF GRAVITY ALL MODELS TABLE 5 BCH 4 POINT LOADS WEIGHT DISTRIBUTIONTABLE 6 BCH 6 POINT LOADS WEIGHT DISTRIBUTION FIGURE 6 - FOUR AND SIX POINT LOADINGTABLE 7 PHYSICAL DATA TABLE 8 OPERATING WEIGHTS LBSCOMPRESSORS Unitary Products Group None Unitary Products Group NOMINAL VOLTAGE TABLE 11 ELECTRIC HEAT CORRECTION FACTORSTABLE 12 VOLTAGE LIMITATIONS1 POWER SUPPLYFIGURE 8 - UNIT WITH ECONOMIZER RAINHOOD DETAIL “A”DETAIL “B” TABLE 14 MINIMUM CLEARANCES FIGURE 10 - UNIT DIMENSIONS REAR VIEWFIGURE 11 - DISCONNECT/BLOWER ACCESS LOCATION TABLE 13 UTILITIES ENTRYUnitary Products Group Page Unitary Products Group TABLE 19 BELT DRIVE BLOWER MOTOR AND DRIVE DATA 177820-YIM-A-0506Unitary Products Group 5.Afteradjusting,re-tightennutsA FIGURE 12 - BELT ADJUSTMENTTABLE 20 STATIC RESISTANCES PHASINGCOOLING SEQUENCE OF OPERATION OPERATIONFIGURE 13 - PRESSURE DROP ACROSS COIL SEQUENCE OF OPERATIONS OVERVIEWINTERMITTENT BLOWER COOLING OPERATION ERRORSECONOMIZER SINGLE OR DUAL WITH POWER EXHAUST HIGH-PRESSURELIMIT SWITCHFREEZESTAT SAFETY CONTROLSCOMPRESSOR PROTECTION LOW-PRESSURELIMIT SWITCHSAFETY CONTROLS TABLE 22 ELECTRIC HEAT ANTICIPATOR SETPOINTS TABLE 21 ELECTRIC HEAT LIMIT CONTROL SETTINGSTART-UPCOOLING HEAT ANTICIPATOR SETPOINTSPOST START CHECK LIST TROUBLESHOOTINGCOOLING TROUBLESHOOTING GUIDE OPERATING INSTRUCTIONS177820-YIM-A-0506 a.24 volts at the thermostat Y1 terminalUnitary Products Group TABLE 23 UNIT CONTROL BOARD FLASH CODES MAINTENANCENORMAL MAINTENANCE UNIT FLASH CODESUnitary Products Group MOTORSOUTDOOR COIL 177820-YIM-A-0506Products Unitary5005 Norman