Manuals / Carrier / Household Appliance / Air Conditioner

Carrier 48/50PM C16-28, 48/50PG C03-14 manual 48/50PG20−28 and 48/50PM16−28, a48-8222, 48/50PG and

Models: 48/50PM C16-28 48/50PG C03-14

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RH2.x

RH1.x

COND COIL

HUMIDI-MIZER COIL

COMP

OUTDOOR AIR

		EVAP COIL
	CLOSED VALVE
	OPEN VALVE
	3-WAY VALVE	INDOOR ENTERING
	a48-8222	INDOOR ENTERING
	a48-8222	AIR

Fig. 12 − Normal Cooling Mode — Humidi−MiZert System

48/50PG20−28 and 48/50PM16−28

RH2.x

RH1.x

COND COIL				HUMIDI-MIZER COIL

COMP

OUTDOOR AIR

	EVAP COIL
CLOSED VALVE
OPEN VALVE
3-WAY VALVE	INDOOR ENTERING
	INDOOR ENTERING
	AIR

Fig. 13 − Subcooling Mode (Reheat1) — Humidi−MiZer System

48/50PG20−28 and 48/50PM16−28

METERING	PM
METERING
DEVICE	48/50PG and
	48/50PG and

C07122

METERING

DEVICE

C07123

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Carrier 48/50PM C16-28, 48/50PG C03-14 manual 48/50PG20−28 and 48/50PM16−28, a48-8222, 48/50PG and

Contents

48/50PG C03-14 48/50PM C16-28 TABLE OF CONTENTSControls, Start-Up,Operation, Service and Troubleshooting InstructionsSAFETY CONSIDERATIONS ELECTRICAL SHOCK HAZARDUNIT DAMAGE HAZARD Scrolling Marquee GENERALBASIC CONTROL USAGE ComfortLink ControlSystem Pilott and Touch Pilot Devices Accessory Navigator DisplayFig. 2 − Accessory Navigator Display OperationForce Hierarchy Generic Status Display TableFig. 3 − System Pilott User Interface START-UP Refrigerant Service PortsPower Supply Internal WiringOUTDOOR AIR SCREEN HIDDEN Condenser Fans and Motors Accessory InstallationControl Set Point and Configuration Log CONTROLS QUICK SET−UPCCN Linkage Control AccessoriesPower Exhaust T−58 Communicating Room SensorIAQ Sensor IAQ SwitchProgramming Operating Schedules Outdoor EnthalpyITEM EXPANSION DISPLAY SUB‐SUB MENU MODEKEYPAD ITEM DISPLAYCooling Test SERVICE TESTIndependent Outputs Fan TestHeating Test Alarm OutputDetector Wiring THIRD PARTY CONTROLService Password PSWD Display ConfigurationUnit Configuration Password Enable PROTFire Shutdown Switch FS.SW Fan On When Occupied OC.FNFan Status Switch FN.SW Filter Status Switch FL.SWCool Setpoint In Effect EFF.C Temperature Setpoint DeterminationHVAC Operation Disabled HV.DN General OperationLevel 2 Priority Occupancy DeterminationIndoor Fan Operation Level 1 PriorityThermostat Control Cooling OperationCooling Mode Control Staging ControlUnits With Humidi−MiZer System Compressor ControlOutdoor Fan Control Units Without Humidi−MiZert SystemTable 5 – Outdoor Fan Level Transitions Staging Control Supply−Air Temperature Sensor SATHeating Operation Heating Mode ControlHeat Relay Control Integrated Gas Controller IGCSpace Sensor Control Economizer Actuator Communications Space Temperature ModeUEFC = 0 Disabled EconomizerFree Cool PreOcc Time FC.TM Optional Humidi−MiZert Dehumidification SystemDehumidification Demand Reheat Modes48/50PG and PM 48/50PG03−16a48-8174 48/50PG03−1648/50PG03−16 48/50PG and PM48/50PG and 48/50PG20−28 and 48/50PM16−2848/50PG20−28 and 48/50PM16−28 a48-8222Reheat Control Reheat Outdoor Fan Control48/50PG20−28 and 48/50PM16−28 Service TestHMZRRH1.A Reheat1 A Test Reheat Mode Diagnostic HelpService TestCOOLCMP.A Cool A Test Service Test→COOL→CMP.C Cool C TestFig. 17 − Humidi−MiZer System Valve Locations Indoor Air Quality IAQAir Baffles IAQ Analog InputFig. 18 − Air Baffle Dimensions 48/50PG03−16 48/50PG and PMC07009 Fig. 19 − Air Baffle Dimensions 48/50PM16−28 48/50PG and PMC08077 IA.CF = 3 Control Minimum Position IAQ Switch InputOutdoor Air Quality Analog Input Fig. 20 − IAQ ControlFan Speed − Ventilation FS.VN Fan Enable Analog IAQ SensorFan Enable Switch Input Adaptive FanTemperature Compensated Start Logic Temperature Compensated StartCarrier Comfort Network CCNR Configuration Setting Up the SystemGlobal Schedule Broadcast BRODB.GS SPT Override Enabled? SCH.OOV.SPDemand Limit LinkageAlarms and Alerts TROUBLESHOOTINGAlarm Handling Restart ProcedureAlarmsHIST Alarm History Diagnostic Alarm Codes and Possible CausesAlarmsR.HIST Reset Alarm History AlarmsCURR Currently Active AlarmsAlert Codes T140 − Circuit C Loss of Charge Alert Code T076 − Return Air Thermistor FailureAlarm Code A404 − Fire Shutdown Alarm Code A154 − Serial EEPROM Hardware FailureAlarm Code A157 − A/D Hardware Failure Alarm Code A200 − Linkage Timeout − Comm FailureTable 12 – ComfortLinkt Alarm Codes 48/50PG and PMSee Legend on next page 48/50PG and PM Table 12 — ComfortLinkt Alarm Codes contAlert Code T414 Alert Code T410Red LED OAU General AlarmControl Module Communication Communication FailuresTable 14 – Cooling Service Analysis Cooling TroubleshootingTable 15 – Humidi-MiZerService Analysis Humidi−MiZert TroubleshootingTable 16 – Economizer Service Analysis Economizer TroubleshootingElectric Heat 50PG Units Heating TroubleshootingTable 17 – Gas Heating Service Analysis Gas Heat 48PG UnitsIGC --Integrated Gas Unit Controller Fig. 21 − IGC Service Analysis Logic48/50PG and PM LEGEND IDM -- Induced-DraftMotorTable 18 – IGC Board LED Alarm Codes Table 19 – Electric Heat Service Analysis48/50PG and PM Phase Loss Protection Phase Loss ProtectionThermistor Troubleshooting Phase Reversal ProtectionTransducer Troubleshooting Forcing Inputs and OutputsSensor Trim TEMP TEMP 48/50PG and PMGeneral MAJOR SYSTEM COMPONENTSFig. 25 − 48PG03−16 Control Wiring Schematic 48/50PG and PMC08549 Fig. 26 − 50PG03−16 Control Wiring Schematic 48/50PG and PMC08550 C101249 48/50PG and PMC08552 48/50PG and PMC08554 48/50PG and PM48/50PG08−14 Shown 48/50PG and PMC101250 Fig. 31 − Typical 48PM16−28 Control Schematic 48/50PG and PMC08471 C08062 48/50PG and PMFig. 33 − Typical 50PM16−28 Control Schematic 48/50PG and PMC101251 C08064 48/50PG and PMFig. 35 − Typical 48/50PM16−28 Power Schematic 48/50PG and PMC10902 C09213 48/50PG and PM48/50PG and PM 2TRAN1TRAN SAT OAT TXV IGCFig. 38 − 48/50PM16−28 Component Arrangement 48/50PG and PMC08067 C101252 48/50PG and PMFig. 40 − Main Base Board MBB Main Base Board MBB48/50PG and PM Table 23 – MBB ConnectionsFig. 41 − Economizer Control Board ECB Economizer Control Board ECB48/50PG and PM Table 24 – ECB ConnectionsIntegrated Gas Control IGC Board Fig. 42 − Integrated Gas Control IGC BoardTable 25 – IGC Connections TB1 on PG03−16 size and TB2 on PG20−28 and Low Voltage Terminal StripFig. 43 − Low−Voltage Terminal Strip Table 26 - Field Connection Terminal StripCarrier Comfort Network CCNR Interface Accessory Navigatort DisplayFig. 45 − Accessory Navigatort Display Scrolling Marquee DisplayEnergyX Fig. 46 − CCN System ArchitectureSpace Temperature Sensor T−58 Field-InstalledAccessoriesSpace Temperature Sensor T−55 Space Temperature Sensor T−56LEGEND Fig. 47 − Space Temperature Sensor AveragingFactory Wiring Field WiringIndoor Air Quality Carrier Accessory KitsReturn/Supply Air Temperature Sensor Two−Position DamperUNIT OPERATION AND SAFETY HAZARD SERVICECleaning Coil Maintenance and Cleaning RecommendationUNIT RELIABILITY HAZARD Routine Cleaning of Round−Tube Coil SurfacesCondensate Drain Pan 48/50PG03−14 Units EQUIPMENT DAMAGE HAZARDOutdoor−Air Inlet Screens LubricationCondensate Drain Pan 48/50PM16−28 Units FiltersEconomizer or Manual Outside Air Damper Evaporator Fan Service and ReplacementEvaporator−Fan Motor Adjustment Condenser and Evaporator−Fan Motor BearingsFig. 54 − Evaporator−Fan Alignment and Adjustment Evaporator Fan Performance Adjustment Fig. 52−54Evaporator Fan Belt Tension Adjustment Table 27 - Belt Tension AdjustmentFig. 55 − Condenser−Fan Adjustment Condenser-FanAdjustment Fig.Economizer Operation During Power Failure Repairing Tube LeaksRefrigerant Charge To Use the Cooling Charging Chart, Standard UnitFig. 58 − Charging Chart — 48/50PG03 Fig. 59 − Charging Chart — 48/50PG04Fig. 63 − Charging Chart - 48/50PG08 and Fig. 60 − Charging Chart — 48/50PG05Fig. 61 − Charging Chart — 48/50PG06 Fig. 62 − Charging Chart — 48/50PG07Fig. 67 − Charging Chart − 48/50PM24 Fig. 64 − Charging Chart — 48/50PG12Fig. 65 − Charging Chart — 48/50PG14 Fig. 66 − Charging Chart − 48/50PM16 and48PG08−14 Gas Valve Adjustment 48PG and PMPuronR Refrigerant Table 28 – Altitude Compensation 48PG03−07Main Burner Removal Cleaning and AdjustmentHigh Altitude 48PG and PM Main Burners 48PG and 48PMOvertemperature Replacement PartsDiagnostic LEDs Fig. 70 − Spark Gap AdjustmentAPPENDIX A — LOCAL DISPLAY AND CCN TABLES MODE — RUN STATUS48/50PG and PM APPENDIX A - LOCAL DISPLAY AND CCN TABLES CONT MODE — RUN STATUS cont48/50PG and PM ITEM APPENDIX A — LOCAL DISPLAY AND CCN TABLES CONTMODE — RUN STATUS cont 48/50PG and PMAPPENDIX A — LOCAL DISPLAY AND CCN TABLES CONT MODE — SERVICE TESTMODE — TEMPERATURES MODE — PRESSURES48/50PG and PM MODE — SET POINTSMODE — INPUTS APPENDIX A — LOCAL DISPLAY AND CCN TABLES CONTMODE — OUTPUTS APPENDIX A - LOCAL DISPLAY AND CCN TABLES CONT48/50PG and PM DISP MODE — CONFIGURATIONAPPENDIX A — LOCAL DISPLAY AND CCN TABLES CONT 48/50PG and PMCOOL MODE — CONFIGURATION contAPPENDIX A — LOCAL DISPLAY AND CCN TABLES CONT 48/50PG and PMITEM MODE - CONFIGURATION contAPPENDIX A — LOCAL DISPLAY AND CCN TABLES CONT 48/50PG and PMITEM MODE — CONFIGURATION contAPPENDIX A — LOCAL DISPLAY AND CCN TABLES CONT 48/50PG and PMITEM MODE — CONFIGURATION contAPPENDIX A — LOCAL DISPLAY AND CCN TABLES CONT 48/50PG and PMITEM MODE — CONFIGURATION contAPPENDIX A — LOCAL DISPLAY AND CCN TABLES CONT 48/50PG and PMITEM MODE — CONFIGURATION contAPPENDIX A - LOCAL DISPLAY AND CCN TABLES CONT 48/50PG and PMITEM MODE — CONFIGURATION contAPPENDIX A — LOCAL DISPLAY AND CCN TABLES CONT 48/50PG and PM48/50PG and PM MODE - TIME CLOCKCCN ONLY TABLES APPENDIX A — LOCAL DISPLAY AND CCN TABLES CONTMODE MODE — OPERATING MODESAPPENDIX A — LOCAL DISPLAY AND CCN TABLES CONT 48/50PG and PM48/50PG MODE - OPERATING MODES contAPPENDIX A — LOCAL DISPLAY AND CCN TABLES CONT and PM48/50PG and PM MODE — ALARMSAPPENDIX A — LOCAL DISPLAY AND CCN TABLES CONT MODE — OPERATING MODES contAPPENDIX B - CONTROL MODES WITH Thermostat Control Type configuration is ignored1-StageY1 Thermostat Control Type configuration = Digital Thermostat Control Type configuration =48/50PG and PM APPENDIX C — START−UP DATAFan Performance — 48PGD03 Vertical Units Fan Performance — 48PGD04 Vertical UnitsFan Performance — 48PGE04 Vertical Units Fan Performance — 48PGF04 Vertical Units48/50PG and PM Fan Performance — 48PGD05 Vertical Units Fan Performance − 48PGE05 Vertical Units48/50PG and PM Fan Performance — 48PGF05 Vertical Units Fan Performance — 48PGD06 Vertical Units48/50PG and PM Fan Performance — 48PGE06 Vertical Units Fan Performance − 48PGF06 Vertical Units48/50PG and PM Fan Performance — 48PGD07 Vertical Units Fan Performance - 48PGE07 Vertical Units48/50PG and PM Fan Performance — 48PGF07 Vertical Units Fan Performance - 48PGD08 Vertical Units48/50PG and PM Fan Performance — 48PGE08 Vertical Units Fan Performance — 48PGF08 Vertical Units48/50PG and PM Fan Performance — 48PGD09 Vertical Units Fan Performance - 48PGE09 Vertical Units48/50PG and PM Fan Performance — 48PGF09 Vertical Units Fan Performance — 48PGD12 Vertical Units48/50PG and PM Fan Performance — 48PGE12 Vertical Units Fan Performance — 48PGF12 Vertical Units48/50PG and PM 48/50PG and PM Fan Performance - 48PGD14 Vertical Units48/50PG and PM Fan Performance — 48PGE14 Vertical Units48/50PG and Fan Performance — 48PGF14 Vertical UnitsFan Performance — 48PGD03 Horizontal Units Fan Performance — 48PGD04 Horizontal Units48/50PG and PM Fan Performance — 48PGE04 Horizontal Units Fan Performance — 48PGF04 Horizontal Units48/50PG and PM Fan Performance - 48PGD05 Horizontal Units Fan Performance — 48PGE05 Horizontal Units48/50PG and PM Fan Performance — 48PGF05 Horizontal Units Fan Performance — 48PGD06 Horizontal Units48/50PG and PM Fan Performance — 48PGE06 Horizontal Units Fan Performance — 48PGF06 Horizontal Units48/50PG and PM Fan Performance — 48PGD07 Horizontal Units Fan Performance - 48PGE07 Horizontal Units48/50PG and PM Fan Performance — 48PGF07 Horizontal Units Fan Performance — 48PGD08 Horizontal Units48/50PG and PM Fan Performance — 48PGE08 Horizontal Units Fan Performance - 48PGF08 Horizontal Units48/50PG and PM Fan Performance — 48PGD09 Horizontal Units Fan Performance — 48PGE09 Horizontal Units48/50PG and PM Fan Performance — 48PGF09 Horizontal Units Fan Performance — 48PGD12 Horizontal Units48/50PG and PM Fan Performance — 48PGE12 Horizontal Units Fan Performance — 48PGF12 Horizontal Units48/50PG and PM 48/50PG and PM Fan Performance — 48PGD14 Horizontal Units48/50PG and PM Fan Performance — 48PGE14 Horizontal Units48/50PG and Fan Performance — 48PGF14 Horizontal UnitsFan Performance — 50PG03 Vertical Units Fan Performance — 50PG04 Vertical Units48/50PG and PM Fan Performance — 50PG05 Vertical Units Fan Performance - 50PG06 Vertical Units48/50PG and PM Fan Performance — 50PG07 Vertical Units Fan Performance — 50PG08 Vertical Units48/50PG and PM Fan Performance — 50PG09 Vertical Units Fan Performance — 50PG012 Vertical Units48/50PG and PM 48/50PG and Fan Performance — 50PG014 Vertical UnitsFan Performance - 50PG03 Horizontal Units Fan Performance — 50PG04 Horizontal Units48/50PG and PM Fan Performance — 50PG05 Horizontal Units Fan Performance — 50PG06 Horizontal Units48/50PG and PM Fan Performance — 50PG07 Horizontal Units Fan Performance — 50PG08 Horizontal Units48/50PG and PM Fan Performance — 50PG09 Horizontal Units Fan Performance — 50PG12 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 Available External Static Pressure in. wg 48/50PG and PMAvailable External Static Pressure in. wg 2.12 48/50PG and PM2.18 Airflow 48/50PG and PMAirflow Airflow 48/50PG and PM Airflow 48/50PG and PMAirflow 48/50PG and PM48/50PG and PM NOTES Airflow 48/50PG and PMGENERAL NOTES FOR FAN PERFORMANCE DATA TABLES Air Quantity Limits 48PM16−28 Units APPENDIX D — ADDITIONAL START−UP DATAAir Quantity Limits 50PG03−14 Units Air Quantity Limits 48PG03−14 Units48/50PG and PM Evaporator Fan Motor Specifications − 48/50PG48/50PG and PM 48/50PG DRIVEVOLTAGE/PHASEEFFICIENCY MAX BHPORIENTATION Evaporator Fan Motor Specifications − 48PM16−2848/50PG and PM UNIT48/50PG and PM UNIT 48PMORIENTATION DRIVE Evaporator Fan Motor Specifications − 50PM16−2848/50PG and PM UNIT 50PM 16 2048/50PG and PM UNITFan Rpm at Motor Pulley Settings* − 48/50PG Fan RPM at Motor Pulley Settings* − 48PM16−2848/50PG and PM 48/50PG and PM Fan RPM at Motor Pulley Settings* − 50PM16−28ELECTRIC 48/50PG and PMEconomizer CONTROL SET POINT AND CONFIGURATION LOG INDICATE UNIT SETTINGS BELOWMODE — CONFIGURATION COOL MODE — CONFIGURATION contCooling Configuration 48/50PG and PMMODE - CONFIGURATION cont 48/50PG and PMCOOL cont COOL cont MODE — CONFIGURATION contCooling Configuration 48/50PG and PMMODE - CONFIGURATION cont Economizer Configuration48/50PG and PM 48/50PG and PM MODE - CONFIGURATION contLinkage Staging PID kP MODE - CONFIGURATION contCCN CONFIGURATION 48/50PG and PM48/50PG and PM MODE — CONFIGURATION contII.START-UP UNIT START-UPCHECKLISTTEMPERATURES I. PRE-START-UP