Typical 48PM16−28 Control Schematic | Carrier 48/50PG C03-14

C08471

48/50PG and PM

C08471

Fig. 31 − Typical 48PM16−28 Control Schematic

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Image 62

Carrier 48/50PG C03-14, 48/50PM C16-28 manual Typical 48PM16−28 Control Schematic, 48/50PG and PM, C08471

Contents

and Troubleshooting Instructions TABLE OF CONTENTSControls, Start-Up,Operation, Service 48/50PG C03-14 48/50PM C16-28 UNIT DAMAGE HAZARD SAFETY CONSIDERATIONSELECTRICAL SHOCK HAZARD ComfortLink Control GENERALBASIC CONTROL USAGE Scrolling Marquee Operation Accessory Navigator DisplayFig. 2 − Accessory Navigator Display System Pilott and Touch Pilot Devices Fig. 3 − System Pilott User Interface Force HierarchyGeneric Status Display Table Internal Wiring Refrigerant Service PortsPower Supply START-UP OUTDOOR AIR SCREEN HIDDEN CONTROLS QUICK SET−UP Accessory InstallationControl Set Point and Configuration Log Condenser Fans and Motors T−58 Communicating Room Sensor AccessoriesPower Exhaust CCN Linkage Control Outdoor Enthalpy IAQ SwitchProgramming Operating Schedules IAQ Sensor ITEM DISPLAY DISPLAY SUB‐SUB MENU MODEKEYPAD ITEM EXPANSION Fan Test SERVICE TESTIndependent Outputs Cooling Test THIRD PARTY CONTROL Alarm OutputDetector Wiring Heating Test Password Enable PROT Display ConfigurationUnit Configuration Service Password PSWD Filter Status Switch FL.SW Fan On When Occupied OC.FNFan Status Switch FN.SW Fire Shutdown Switch FS.SW Temperature Setpoint Determination HVAC Operation Disabled HV.DNGeneral Operation Cool Setpoint In Effect EFF.C Level 1 Priority Occupancy DeterminationIndoor Fan Operation Level 2 Priority Staging Control Cooling OperationCooling Mode Control Thermostat Control Units Without Humidi−MiZert System Compressor ControlOutdoor Fan Control Units With Humidi−MiZer System Table 5 – Outdoor Fan Level Transitions Supply−Air Temperature Sensor SAT Heating OperationHeating Mode Control Staging Control Space Sensor Control Heat Relay ControlIntegrated Gas Controller IGC Economizer Actuator Communications UEFC = 0 DisabledEconomizer Unoccupied Free Cooling Reheat Modes Optional Humidi−MiZert Dehumidification SystemDehumidification Demand Free Cool PreOcc Time FC.TM 48/50PG03−16 48/50PG and PM 48/50PG and PM 48/50PG03−1648/50PG03−16 a48-8174 a48-8222 48/50PG20−28 and 48/50PM16−2848/50PG20−28 and 48/50PM16−28 48/50PG and 48/50PG20−28 and 48/50PM16−28 Reheat ControlReheat Outdoor Fan Control Service Test→COOL→CMP.C Cool C Test Reheat Mode Diagnostic HelpService TestCOOLCMP.A Cool A Test Service TestHMZRRH1.A Reheat1 A Test IAQ Analog Input Indoor Air Quality IAQAir Baffles Fig. 17 − Humidi−MiZer System Valve Locations C07009 Fig. 18 − Air Baffle Dimensions 48/50PG03−1648/50PG and PM C08077 Fig. 19 − Air Baffle Dimensions 48/50PM16−2848/50PG and PM Fig. 20 − IAQ Control IAQ Switch InputOutdoor Air Quality Analog Input IA.CF = 3 Control Minimum Position Adaptive Fan Fan Enable Analog IAQ SensorFan Enable Switch Input Fan Speed − Ventilation FS.VN Temperature Compensated Start Carrier Comfort Network CCNR ConfigurationSetting Up the System Fan Speed − Reheat2 FS.RH Linkage SPT Override Enabled? SCH.OOV.SPDemand Limit Global Schedule Broadcast BRODB.GS Restart Procedure TROUBLESHOOTINGAlarm Handling Alarms and Alerts AlarmsCURR Currently Active Alarms Diagnostic Alarm Codes and Possible CausesAlarmsR.HIST Reset Alarm History AlarmsHIST Alarm History Alert Code T076 − Return Air Thermistor Failure Alert Codes T140 − Circuit C Loss of Charge Alarm Code A200 − Linkage Timeout − Comm Failure Alarm Code A154 − Serial EEPROM Hardware FailureAlarm Code A157 − A/D Hardware Failure Alarm Code A404 − Fire Shutdown See Legend on next page Table 12 – ComfortLinkt Alarm Codes48/50PG and PM Table 12 — ComfortLinkt Alarm Codes cont 48/50PG and PM Alert Code T410 Alert Code T414 Communication Failures OAU General AlarmControl Module Communication Red LED Cooling Troubleshooting Table 14 – Cooling Service Analysis Humidi−MiZert Troubleshooting Table 15 – Humidi-MiZerService Analysis Economizer Troubleshooting Table 16 – Economizer Service Analysis Gas Heat 48PG Units Heating TroubleshootingTable 17 – Gas Heating Service Analysis Electric Heat 50PG Units LEGEND IDM -- Induced-DraftMotor Fig. 21 − IGC Service Analysis Logic48/50PG and PM IGC --Integrated Gas Unit Controller 48/50PG and PM Table 18 – IGC Board LED Alarm CodesTable 19 – Electric Heat Service Analysis Phase Reversal Protection Phase Loss ProtectionThermistor Troubleshooting Phase Loss Protection Sensor Trim Transducer TroubleshootingForcing Inputs and Outputs TEMP 48/50PG and PM TEMP MAJOR SYSTEM COMPONENTS General C08549 Fig. 25 − 48PG03−16 Control Wiring Schematic48/50PG and PM C08550 Fig. 26 − 50PG03−16 Control Wiring Schematic48/50PG and PM 48/50PG and PM C101249 48/50PG and PM C08552 48/50PG and PM C08554 C101250 48/50PG08−14 Shown48/50PG and PM C08471 Fig. 31 − Typical 48PM16−28 Control Schematic48/50PG and PM 48/50PG and PM C08062 C101251 Fig. 33 − Typical 50PM16−28 Control Schematic48/50PG and PM 48/50PG and PM C08064 C10902 Fig. 35 − Typical 48/50PM16−28 Power Schematic48/50PG and PM 48/50PG and PM C09213 SAT OAT TXV IGC 2TRAN1TRAN 48/50PG and PM C08067 Fig. 38 − 48/50PM16−28 Component Arrangement48/50PG and PM 48/50PG and PM C101252 Main Base Board MBB Fig. 40 − Main Base Board MBB Table 23 – MBB Connections 48/50PG and PM Economizer Control Board ECB Fig. 41 − Economizer Control Board ECB Table 24 – ECB Connections 48/50PG and PM Table 25 – IGC Connections Integrated Gas Control IGC BoardFig. 42 − Integrated Gas Control IGC Board Table 26 - Field Connection Terminal Strip Low Voltage Terminal StripFig. 43 − Low−Voltage Terminal Strip TB1 on PG03−16 size and TB2 on PG20−28 and Scrolling Marquee Display Accessory Navigatort DisplayFig. 45 − Accessory Navigatort Display Carrier Comfort Network CCNR Interface Fig. 46 − CCN System Architecture EnergyX Space Temperature Sensor T−56 Field-InstalledAccessoriesSpace Temperature Sensor T−55 Space Temperature Sensor T−58 Field Wiring Fig. 47 − Space Temperature Sensor AveragingFactory Wiring LEGEND Indoor Air Quality Carrier Accessory KitsTwo−Position Damper Outdoor Air Quality Coil Maintenance and Cleaning Recommendation SERVICECleaning UNIT OPERATION AND SAFETY HAZARD EQUIPMENT DAMAGE HAZARD Routine Cleaning of Round−Tube Coil SurfacesCondensate Drain Pan 48/50PG03−14 Units UNIT RELIABILITY HAZARD Filters LubricationCondensate Drain Pan 48/50PM16−28 Units Outdoor−Air Inlet Screens Condenser and Evaporator−Fan Motor Bearings Evaporator Fan Service and ReplacementEvaporator−Fan Motor Adjustment Economizer or Manual Outside Air Damper Table 27 - Belt Tension Adjustment Evaporator Fan Performance Adjustment Fig. 52−54Evaporator Fan Belt Tension Adjustment Fig. 54 − Evaporator−Fan Alignment and Adjustment Repairing Tube Leaks Condenser-FanAdjustment Fig.Economizer Operation During Power Failure Fig. 55 − Condenser−Fan Adjustment Fig. 59 − Charging Chart — 48/50PG04 To Use the Cooling Charging Chart, Standard UnitFig. 58 − Charging Chart — 48/50PG03 Refrigerant Charge Fig. 62 − Charging Chart — 48/50PG07 Fig. 60 − Charging Chart — 48/50PG05Fig. 61 − Charging Chart — 48/50PG06 Fig. 63 − Charging Chart - 48/50PG08 and Fig. 66 − Charging Chart − 48/50PM16 and Fig. 64 − Charging Chart - 48/50PG12Fig. 65 − Charging Chart — 48/50PG14 Fig. 67 − Charging Chart − 48/50PM24 Table 28 – Altitude Compensation 48PG03−07 Gas Valve Adjustment 48PG and PMPuronR Refrigerant 48PG08−14 Main Burners 48PG and 48PM Cleaning and AdjustmentHigh Altitude 48PG and PM Main Burner Removal Fig. 70 − Spark Gap Adjustment Replacement PartsDiagnostic LEDs High−Pressure Switch 48/50PG and PM APPENDIX A — LOCAL DISPLAY AND CCN TABLESMODE — RUN STATUS 48/50PG and PM APPENDIX A - LOCAL DISPLAY AND CCN TABLES CONTMODE — RUN STATUS cont 48/50PG and PM APPENDIX A — LOCAL DISPLAY AND CCN TABLES CONTMODE — RUN STATUS cont ITEM MODE — PRESSURES MODE — SERVICE TESTMODE — TEMPERATURES APPENDIX A — LOCAL DISPLAY AND CCN TABLES CONT APPENDIX A — LOCAL DISPLAY AND CCN TABLES CONT MODE — SET POINTSMODE — INPUTS 48/50PG and PM 48/50PG and PM MODE — OUTPUTSAPPENDIX A - LOCAL DISPLAY AND CCN TABLES CONT 48/50PG and PM MODE — CONFIGURATIONAPPENDIX A — LOCAL DISPLAY AND CCN TABLES CONT DISP 48/50PG and PM MODE — CONFIGURATION contAPPENDIX A — LOCAL DISPLAY AND CCN TABLES CONT COOL 48/50PG and PM MODE - CONFIGURATION contAPPENDIX A — LOCAL DISPLAY AND CCN TABLES CONT ITEM 48/50PG and PM MODE — CONFIGURATION contAPPENDIX A — LOCAL DISPLAY AND CCN TABLES CONT ITEM 48/50PG and PM MODE — CONFIGURATION contAPPENDIX A — LOCAL DISPLAY AND CCN TABLES CONT ITEM 48/50PG and PM MODE — CONFIGURATION contAPPENDIX A — LOCAL DISPLAY AND CCN TABLES CONT ITEM 48/50PG and PM MODE - CONFIGURATION contAPPENDIX A - LOCAL DISPLAY AND CCN TABLES CONT ITEM 48/50PG and PM MODE — CONFIGURATION contAPPENDIX A — LOCAL DISPLAY AND CCN TABLES CONT ITEM APPENDIX A — LOCAL DISPLAY AND CCN TABLES CONT MODE - TIME CLOCKCCN ONLY TABLES 48/50PG and PM 48/50PG and PM MODE — OPERATING MODESAPPENDIX A — LOCAL DISPLAY AND CCN TABLES CONT MODE and PM MODE - OPERATING MODES contAPPENDIX A — LOCAL DISPLAY AND CCN TABLES CONT 48/50PG MODE — OPERATING MODES cont MODE — ALARMSAPPENDIX A — LOCAL DISPLAY AND CCN TABLES CONT 48/50PG and PM Digital Thermostat Control Type configuration = Thermostat Control Type configuration is ignored1-StageY1 Thermostat Control Type configuration = APPENDIX B - CONTROL MODES WITH Fan Performance — 48PGD04 Vertical Units APPENDIX C — START−UP DATAFan Performance — 48PGD03 Vertical Units 48/50PG and PM 48/50PG and PM Fan Performance — 48PGE04 Vertical UnitsFan Performance — 48PGF04 Vertical Units 48/50PG and PM Fan Performance — 48PGD05 Vertical UnitsFan Performance − 48PGE05 Vertical Units 48/50PG and PM Fan Performance — 48PGF05 Vertical UnitsFan Performance — 48PGD06 Vertical Units 48/50PG and PM Fan Performance - 48PGE06 Vertical UnitsFan Performance − 48PGF06 Vertical Units 48/50PG and PM Fan Performance — 48PGD07 Vertical UnitsFan Performance - 48PGE07 Vertical Units 48/50PG and PM Fan Performance — 48PGF07 Vertical UnitsFan Performance - 48PGD08 Vertical Units 48/50PG and PM Fan Performance — 48PGE08 Vertical UnitsFan Performance — 48PGF08 Vertical Units 48/50PG and PM Fan Performance — 48PGD09 Vertical UnitsFan Performance - 48PGE09 Vertical Units 48/50PG and PM Fan Performance — 48PGF09 Vertical UnitsFan Performance — 48PGD12 Vertical Units 48/50PG and PM Fan Performance — 48PGE12 Vertical UnitsFan Performance — 48PGF12 Vertical Units Fan Performance - 48PGD14 Vertical Units 48/50PG and PM Fan Performance — 48PGE14 Vertical Units 48/50PG and PM Fan Performance — 48PGF14 Vertical Units 48/50PG and 48/50PG and PM Fan Performance — 48PGD03 Horizontal UnitsFan Performance — 48PGD04 Horizontal Units 48/50PG and PM Fan Performance — 48PGE04 Horizontal UnitsFan Performance — 48PGF04 Horizontal Units 48/50PG and PM Fan Performance - 48PGD05 Horizontal UnitsFan Performance — 48PGE05 Horizontal Units 48/50PG and PM Fan Performance — 48PGF05 Horizontal UnitsFan Performance — 48PGD06 Horizontal Units 48/50PG and PM Fan Performance — 48PGE06 Horizontal UnitsFan Performance — 48PGF06 Horizontal Units 48/50PG and PM Fan Performance — 48PGD07 Horizontal UnitsFan Performance - 48PGE07 Horizontal Units 48/50PG and PM Fan Performance — 48PGF07 Horizontal UnitsFan Performance — 48PGD08 Horizontal Units 48/50PG and PM Fan Performance — 48PGE08 Horizontal UnitsFan Performance - 48PGF08 Horizontal Units 48/50PG and PM Fan Performance — 48PGD09 Horizontal UnitsFan Performance — 48PGE09 Horizontal Units 48/50PG and PM Fan Performance — 48PGF09 Horizontal UnitsFan Performance — 48PGD12 Horizontal Units 48/50PG and PM Fan Performance — 48PGE12 Horizontal UnitsFan Performance — 48PGF12 Horizontal Units Fan Performance — 48PGD14 Horizontal Units 48/50PG and PM Fan Performance — 48PGE14 Horizontal Units 48/50PG and PM Fan Performance — 48PGF14 Horizontal Units 48/50PG and 48/50PG and PM Fan Performance — 50PG03 Vertical UnitsFan Performance — 50PG04 Vertical Units 48/50PG and PM Fan Performance — 50PG05 Vertical UnitsFan Performance - 50PG06 Vertical Units 48/50PG and PM Fan Performance — 50PG07 Vertical UnitsFan Performance — 50PG08 Vertical Units 48/50PG and PM Fan Performance — 50PG09 Vertical UnitsFan Performance — 50PG012 Vertical Units Fan Performance — 50PG014 Vertical Units 48/50PG and 48/50PG and PM Fan Performance - 50PG03 Horizontal UnitsFan Performance — 50PG04 Horizontal Units 48/50PG and PM Fan Performance — 50PG05 Horizontal UnitsFan Performance — 50PG06 Horizontal Units 48/50PG and PM Fan Performance — 50PG07 Horizontal UnitsFan Performance — 50PG08 Horizontal Units 48/50PG and PM Fan Performance — 50PG09 Horizontal UnitsFan Performance — 50PG12 Horizontal Units Fan Performance — 50PG14 Horizontal Units Available External Static Pressure in. wg Available External Static Pressure in. wg Available External Static Pressure in. wg Available External Static Pressure in. wg 48/50PG and PM Available External Static Pressure in. wg Available External Static Pressure in. wg 48/50PG and PM 2.12 2.18 48/50PG and PM Airflow Airflow Airflow 48/50PG and PM 48/50PG and PM Airflow 48/50PG and PM Airflow 48/50PG and PM NOTES 48/50PG and PM Airflow GENERAL NOTES FOR FAN PERFORMANCE DATA TABLES Air Quantity Limits 48PG03−14 Units APPENDIX D — ADDITIONAL START−UP DATAAir Quantity Limits 50PG03−14 Units Air Quantity Limits 48PM16−28 Units Evaporator Fan Motor Specifications − 48/50PG 48/50PG and PM MAX BHP 48/50PG DRIVEVOLTAGE/PHASEEFFICIENCY 48/50PG and PM UNIT Evaporator Fan Motor Specifications − 48PM16−2848/50PG and PM ORIENTATION ORIENTATION 48/50PG and PMUNIT 48PM UNIT 50PM 16 20 Evaporator Fan Motor Specifications − 50PM16−2848/50PG and PM DRIVE UNIT 48/50PG and PM 48/50PG and PM Fan Rpm at Motor Pulley Settings* − 48/50PGFan RPM at Motor Pulley Settings* − 48PM16−28 Fan RPM at Motor Pulley Settings* − 50PM16−28 48/50PG and PM 48/50PG and PM ELECTRIC Economizer MODE — CONFIGURATION CONTROL SET POINT AND CONFIGURATION LOGINDICATE UNIT SETTINGS BELOW 48/50PG and PM MODE — CONFIGURATION contCooling Configuration COOL COOL cont MODE - CONFIGURATION cont48/50PG and PM 48/50PG and PM MODE — CONFIGURATION contCooling Configuration COOL cont 48/50PG and PM MODE - CONFIGURATION contEconomizer Configuration MODE - CONFIGURATION cont 48/50PG and PM 48/50PG and PM MODE - CONFIGURATION contCCN CONFIGURATION Linkage Staging PID kP MODE — CONFIGURATION cont 48/50PG and PM II.START-UP UNIT START-UPCHECKLISTI. PRE-START-UP ELECTRICAL