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

C101251

48/50PG and PM

C101251

Fig. 33 − Typical 50PM16−28 Control Schematic

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Image 64

Carrier 48/50PG C03-14, 48/50PM C16-28 manual Typical 50PM16−28 Control Schematic, 48/50PG and PM, C101251

Contents

TABLE OF CONTENTS Controls, Start-Up,Operation, Serviceand Troubleshooting Instructions 48/50PG C03-14 48/50PM C16-28 ELECTRICAL SHOCK HAZARD SAFETY CONSIDERATIONSUNIT DAMAGE HAZARD GENERAL BASIC CONTROL USAGEComfortLink Control Scrolling Marquee Accessory Navigator Display Fig. 2 − Accessory Navigator DisplayOperation System Pilott and Touch Pilot Devices Generic Status Display Table Force HierarchyFig. 3 − System Pilott User Interface Refrigerant Service Ports Power SupplyInternal Wiring START-UP OUTDOOR AIR SCREEN HIDDEN Accessory Installation Control Set Point and Configuration LogCONTROLS QUICK SET−UP Condenser Fans and Motors Accessories Power ExhaustT−58 Communicating Room Sensor CCN Linkage Control IAQ Switch Programming Operating SchedulesOutdoor Enthalpy IAQ Sensor DISPLAY SUB‐SUB MENU MODE KEYPADITEM DISPLAY ITEM EXPANSION SERVICE TEST Independent OutputsFan Test Cooling Test Alarm Output Detector WiringTHIRD PARTY CONTROL Heating Test Display Configuration Unit ConfigurationPassword Enable PROT Service Password PSWD Fan On When Occupied OC.FN Fan Status Switch FN.SWFilter Status Switch FL.SW Fire Shutdown Switch FS.SW HVAC Operation Disabled HV.DN General OperationTemperature Setpoint Determination Cool Setpoint In Effect EFF.C Occupancy Determination Indoor Fan OperationLevel 1 Priority Level 2 Priority Cooling Operation Cooling Mode ControlStaging Control Thermostat Control Compressor Control Outdoor Fan ControlUnits Without Humidi−MiZert System Units With Humidi−MiZer System Table 5 – Outdoor Fan Level Transitions Heating Operation Heating Mode ControlSupply−Air Temperature Sensor SAT Staging Control Integrated Gas Controller IGC Heat Relay ControlSpace Sensor Control UEFC = 0 Disabled EconomizerEconomizer Actuator Communications Unoccupied Free Cooling Optional Humidi−MiZert Dehumidification System Dehumidification DemandReheat Modes Free Cool PreOcc Time FC.TM 48/50PG03−16 48/50PG and PM 48/50PG03−16 48/50PG03−1648/50PG and PM a48-8174 48/50PG20−28 and 48/50PM16−28 48/50PG20−28 and 48/50PM16−28a48-8222 48/50PG and Reheat Outdoor Fan Control Reheat Control48/50PG20−28 and 48/50PM16−28 Reheat Mode Diagnostic Help Service TestCOOLCMP.A Cool A TestService Test→COOL→CMP.C Cool C Test Service TestHMZRRH1.A Reheat1 A Test Indoor Air Quality IAQ Air BafflesIAQ Analog Input Fig. 17 − Humidi−MiZer System Valve Locations 48/50PG and PM Fig. 18 − Air Baffle Dimensions 48/50PG03−16C07009 48/50PG and PM Fig. 19 − Air Baffle Dimensions 48/50PM16−28C08077 IAQ Switch Input Outdoor Air Quality Analog InputFig. 20 − IAQ Control IA.CF = 3 Control Minimum Position Fan Enable Analog IAQ Sensor Fan Enable Switch InputAdaptive Fan Fan Speed − Ventilation FS.VN Carrier Comfort Network CCNR Configuration Setting Up the SystemTemperature Compensated Start Fan Speed − Reheat2 FS.RH SPT Override Enabled? SCH.OOV.SP Demand LimitLinkage Global Schedule Broadcast BRODB.GS TROUBLESHOOTING Alarm HandlingRestart Procedure Alarms and Alerts Diagnostic Alarm Codes and Possible Causes AlarmsR.HIST Reset Alarm HistoryAlarmsCURR Currently Active Alarms AlarmsHIST Alarm History Alert Code T076 − Return Air Thermistor Failure Alert Codes T140 − Circuit C Loss of Charge Alarm Code A154 − Serial EEPROM Hardware Failure Alarm Code A157 − A/D Hardware FailureAlarm Code A200 − Linkage Timeout − Comm Failure Alarm Code A404 − Fire Shutdown 48/50PG and PM Table 12 – ComfortLinkt Alarm CodesSee Legend on next page Table 12 — ComfortLinkt Alarm Codes cont 48/50PG and PM Alert Code T410 Alert Code T414 OAU General Alarm Control Module CommunicationCommunication Failures Red LED Cooling Troubleshooting Table 14 – Cooling Service Analysis Humidi−MiZert Troubleshooting Table 15 – Humidi-MiZerService Analysis Economizer Troubleshooting Table 16 – Economizer Service Analysis Heating Troubleshooting Table 17 – Gas Heating Service AnalysisGas Heat 48PG Units Electric Heat 50PG Units Fig. 21 − IGC Service Analysis Logic 48/50PG and PMLEGEND IDM -- Induced-DraftMotor IGC --Integrated Gas Unit Controller Table 19 – Electric Heat Service Analysis Table 18 – IGC Board LED Alarm Codes48/50PG and PM Phase Loss Protection Thermistor TroubleshootingPhase Reversal Protection Phase Loss Protection Forcing Inputs and Outputs Transducer TroubleshootingSensor Trim TEMP 48/50PG and PM TEMP MAJOR SYSTEM COMPONENTS General 48/50PG and PM Fig. 25 − 48PG03−16 Control Wiring SchematicC08549 48/50PG and PM Fig. 26 − 50PG03−16 Control Wiring SchematicC08550 48/50PG and PM C101249 48/50PG and PM C08552 48/50PG and PM C08554 48/50PG and PM 48/50PG08−14 ShownC101250 48/50PG and PM Fig. 31 − Typical 48PM16−28 Control SchematicC08471 48/50PG and PM C08062 48/50PG and PM Fig. 33 − Typical 50PM16−28 Control SchematicC101251 48/50PG and PM C08064 48/50PG and PM Fig. 35 − Typical 48/50PM16−28 Power SchematicC10902 48/50PG and PM C09213 2TRAN 1TRANSAT OAT TXV IGC 48/50PG and PM 48/50PG and PM Fig. 38 − 48/50PM16−28 Component ArrangementC08067 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 Fig. 42 − Integrated Gas Control IGC Board Integrated Gas Control IGC BoardTable 25 – IGC Connections Low Voltage Terminal Strip Fig. 43 − Low−Voltage Terminal StripTable 26 - Field Connection Terminal Strip TB1 on PG03−16 size and TB2 on PG20−28 and Accessory Navigatort Display Fig. 45 − Accessory Navigatort DisplayScrolling Marquee Display Carrier Comfort Network CCNR Interface Fig. 46 − CCN System Architecture EnergyX Field-InstalledAccessories Space Temperature Sensor T−55Space Temperature Sensor T−56 Space Temperature Sensor T−58 Fig. 47 − Space Temperature Sensor Averaging Factory WiringField Wiring LEGEND Carrier Accessory Kits Two−Position DamperIndoor Air Quality Outdoor Air Quality SERVICE CleaningCoil Maintenance and Cleaning Recommendation UNIT OPERATION AND SAFETY HAZARD Routine Cleaning of Round−Tube Coil Surfaces Condensate Drain Pan 48/50PG03−14 UnitsEQUIPMENT DAMAGE HAZARD UNIT RELIABILITY HAZARD Lubrication Condensate Drain Pan 48/50PM16−28 UnitsFilters Outdoor−Air Inlet Screens Evaporator Fan Service and Replacement Evaporator−Fan Motor AdjustmentCondenser and Evaporator−Fan Motor Bearings Economizer or Manual Outside Air Damper Evaporator Fan Performance Adjustment Fig. 52−54 Evaporator Fan Belt Tension AdjustmentTable 27 - Belt Tension Adjustment Fig. 54 − Evaporator−Fan Alignment and Adjustment Condenser-FanAdjustment Fig. Economizer Operation During Power FailureRepairing Tube Leaks Fig. 55 − Condenser−Fan Adjustment To Use the Cooling Charging Chart, Standard Unit Fig. 58 − Charging Chart — 48/50PG03Fig. 59 − Charging Chart — 48/50PG04 Refrigerant Charge Fig. 60 − Charging Chart — 48/50PG05 Fig. 61 − Charging Chart — 48/50PG06Fig. 62 − Charging Chart — 48/50PG07 Fig. 63 − Charging Chart - 48/50PG08 and Fig. 64 − Charging Chart - 48/50PG12 Fig. 65 − Charging Chart — 48/50PG14Fig. 66 − Charging Chart − 48/50PM16 and Fig. 67 − Charging Chart − 48/50PM24 Gas Valve Adjustment 48PG and PM PuronR RefrigerantTable 28 – Altitude Compensation 48PG03−07 48PG08−14 Cleaning and Adjustment High Altitude 48PG and PMMain Burners 48PG and 48PM Main Burner Removal Replacement Parts Diagnostic LEDsFig. 70 − Spark Gap Adjustment High−Pressure Switch MODE — RUN STATUS APPENDIX A — LOCAL DISPLAY AND CCN TABLES48/50PG and PM MODE — RUN STATUS cont APPENDIX A - LOCAL DISPLAY AND CCN TABLES CONT48/50PG and PM APPENDIX A — LOCAL DISPLAY AND CCN TABLES CONT MODE — RUN STATUS cont48/50PG and PM ITEM MODE — SERVICE TEST MODE — TEMPERATURESMODE — PRESSURES APPENDIX A — LOCAL DISPLAY AND CCN TABLES CONT MODE — SET POINTS MODE — INPUTSAPPENDIX A — LOCAL DISPLAY AND CCN TABLES CONT 48/50PG and PM APPENDIX A - LOCAL DISPLAY AND CCN TABLES CONT MODE — OUTPUTS48/50PG and PM MODE — CONFIGURATION APPENDIX A — LOCAL DISPLAY AND CCN TABLES CONT48/50PG and PM DISP MODE — CONFIGURATION cont APPENDIX A — LOCAL DISPLAY AND CCN TABLES CONT48/50PG and PM COOL MODE - CONFIGURATION cont APPENDIX A — LOCAL DISPLAY AND CCN TABLES CONT48/50PG and PM ITEM MODE — CONFIGURATION cont APPENDIX A — LOCAL DISPLAY AND CCN TABLES CONT48/50PG and PM ITEM MODE — CONFIGURATION cont APPENDIX A — LOCAL DISPLAY AND CCN TABLES CONT48/50PG and PM ITEM MODE — CONFIGURATION cont APPENDIX A — LOCAL DISPLAY AND CCN TABLES CONT48/50PG and PM ITEM MODE - CONFIGURATION cont APPENDIX A - LOCAL DISPLAY AND CCN TABLES CONT48/50PG and PM ITEM MODE — CONFIGURATION cont APPENDIX A — LOCAL DISPLAY AND CCN TABLES CONT48/50PG and PM ITEM MODE - TIME CLOCK CCN ONLY TABLESAPPENDIX A — LOCAL DISPLAY AND CCN TABLES CONT 48/50PG and PM MODE — OPERATING MODES APPENDIX A — LOCAL DISPLAY AND CCN TABLES CONT48/50PG and PM MODE MODE - OPERATING MODES cont APPENDIX A — LOCAL DISPLAY AND CCN TABLES CONTand PM 48/50PG MODE — ALARMS APPENDIX A — LOCAL DISPLAY AND CCN TABLES CONTMODE — OPERATING MODES cont 48/50PG and PM Thermostat Control Type configuration is ignored 1-StageY1 Thermostat Control Type configuration =Digital Thermostat Control Type configuration = APPENDIX B - CONTROL MODES WITH APPENDIX C — START−UP DATA Fan Performance — 48PGD03 Vertical UnitsFan Performance — 48PGD04 Vertical Units 48/50PG and PM Fan Performance — 48PGF04 Vertical Units Fan Performance — 48PGE04 Vertical Units48/50PG and PM Fan Performance − 48PGE05 Vertical Units Fan Performance — 48PGD05 Vertical Units48/50PG and PM Fan Performance — 48PGD06 Vertical Units Fan Performance — 48PGF05 Vertical Units48/50PG and PM Fan Performance − 48PGF06 Vertical Units Fan Performance - 48PGE06 Vertical Units48/50PG and PM Fan Performance - 48PGE07 Vertical Units Fan Performance — 48PGD07 Vertical Units48/50PG and PM Fan Performance - 48PGD08 Vertical Units Fan Performance — 48PGF07 Vertical Units48/50PG and PM Fan Performance — 48PGF08 Vertical Units Fan Performance — 48PGE08 Vertical Units48/50PG and PM Fan Performance - 48PGE09 Vertical Units Fan Performance — 48PGD09 Vertical Units48/50PG and PM Fan Performance — 48PGD12 Vertical Units Fan Performance — 48PGF09 Vertical Units48/50PG and PM Fan Performance — 48PGF12 Vertical Units Fan Performance — 48PGE12 Vertical Units48/50PG and PM 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 Fan Performance — 48PGD04 Horizontal Units Fan Performance — 48PGD03 Horizontal Units48/50PG and PM Fan Performance — 48PGF04 Horizontal Units Fan Performance — 48PGE04 Horizontal Units48/50PG and PM Fan Performance — 48PGE05 Horizontal Units Fan Performance - 48PGD05 Horizontal Units48/50PG and PM Fan Performance — 48PGD06 Horizontal Units Fan Performance — 48PGF05 Horizontal Units48/50PG and PM Fan Performance — 48PGF06 Horizontal Units Fan Performance — 48PGE06 Horizontal Units48/50PG and PM Fan Performance - 48PGE07 Horizontal Units Fan Performance — 48PGD07 Horizontal Units48/50PG and PM Fan Performance — 48PGD08 Horizontal Units Fan Performance — 48PGF07 Horizontal Units48/50PG and PM Fan Performance - 48PGF08 Horizontal Units Fan Performance — 48PGE08 Horizontal Units48/50PG and PM Fan Performance — 48PGE09 Horizontal Units Fan Performance — 48PGD09 Horizontal Units48/50PG and PM Fan Performance — 48PGD12 Horizontal Units Fan Performance — 48PGF09 Horizontal Units48/50PG and PM Fan Performance — 48PGF12 Horizontal Units Fan Performance — 48PGE12 Horizontal Units48/50PG and PM 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 Fan Performance — 50PG04 Vertical Units Fan Performance — 50PG03 Vertical Units48/50PG and PM Fan Performance - 50PG06 Vertical Units Fan Performance — 50PG05 Vertical Units48/50PG and PM Fan Performance — 50PG08 Vertical Units Fan Performance — 50PG07 Vertical Units48/50PG and PM Fan Performance — 50PG012 Vertical Units Fan Performance — 50PG09 Vertical Units48/50PG and PM Fan Performance — 50PG014 Vertical Units 48/50PG and Fan Performance — 50PG04 Horizontal Units Fan Performance - 50PG03 Horizontal Units48/50PG and PM Fan Performance — 50PG06 Horizontal Units Fan Performance — 50PG05 Horizontal Units48/50PG and PM Fan Performance — 50PG08 Horizontal Units Fan Performance — 50PG07 Horizontal Units48/50PG and PM Fan Performance — 50PG12 Horizontal Units Fan Performance — 50PG09 Horizontal Units48/50PG and PM 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 APPENDIX D — ADDITIONAL START−UP DATA Air Quantity Limits 50PG03−14 UnitsAir Quantity Limits 48PG03−14 Units Air Quantity Limits 48PM16−28 Units Evaporator Fan Motor Specifications − 48/50PG 48/50PG and PM 48/50PG DRIVEVOLTAGE/PHASE EFFICIENCYMAX BHP 48/50PG and PM Evaporator Fan Motor Specifications − 48PM16−28 48/50PG and PMUNIT ORIENTATION UNIT 48PM 48/50PG and PMORIENTATION Evaporator Fan Motor Specifications − 50PM16−28 48/50PG and PMUNIT 50PM 16 20 DRIVE UNIT 48/50PG and PM Fan RPM at Motor Pulley Settings* − 48PM16−28 Fan Rpm at Motor Pulley Settings* − 48/50PG48/50PG and PM Fan RPM at Motor Pulley Settings* − 50PM16−28 48/50PG and PM 48/50PG and PM ELECTRIC Economizer INDICATE UNIT SETTINGS BELOW CONTROL SET POINT AND CONFIGURATION LOGMODE — CONFIGURATION MODE — CONFIGURATION cont Cooling Configuration48/50PG and PM COOL 48/50PG and PM MODE - CONFIGURATION contCOOL cont MODE — CONFIGURATION cont Cooling Configuration48/50PG and PM COOL cont Economizer Configuration MODE - CONFIGURATION cont48/50PG and PM MODE - CONFIGURATION cont 48/50PG and PM MODE - CONFIGURATION cont CCN CONFIGURATION48/50PG and PM Linkage Staging PID kP MODE — CONFIGURATION cont 48/50PG and PM UNIT START-UPCHECKLIST I. PRE-START-UPII.START-UP ELECTRICAL