Carrier 48AK Specifikace

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.PC 1

10WarmCoolFig. 8 — Space Temperature Sensor(P/N CEC0121503-01 Shown)NOTE: Dimensions are in inches.Fig. 9 — Space Temperature Sensor Mounting234561SW1

11INDOOR AIR QUALITY — The indoor air quality (IAQ)accessory (Part No. CRCBDIOX001A00) is a field-installedaccessory. This sensor measures CO2 concen

12Table 7 — Marquee Display Menu StructureTable 8 — “Run Status” Mode and Submode DirectoryRUNSTATUSSERVICETESTTEMPERATURES PRESSURESSETPOINTSINPUTS O

13Table 8 — “Run Status” Mode and Submode Directory (cont)Table 9 — “Service Test” Mode and Submode DirectorySUBMODEKEYPADENTRYITEM DISPLAY ITEM EXPAN

14Table 10 — “Temperatures” Mode and Submode DirectoryTable 11 — “Pressures” Mode and Submode DirectorySUBMODEKEYPADENTRYITEM DISPLAY ITEM EXPANSION C

15Table 12 — Reading and Changing Cooling Occupied Set PointTable 13 — “Set Points” Mode and Submode DirectorySUBMODEKEYPADENTRYITEM DISPLAY ITEM EXPA

16Table 14 — “Inputs” Mode and Submode DirectoryTable 15 — “Outputs” Mode and Submode DirectorySUBMODEKEYPADENTRYITEM DISPLAY ITEM EXPANSION COMMENTST

17Table 16 — “Configuration” Mode and Submode DirectorySUBMODEKEYPADENTRYITEM DISPLAY ITEM EXPANSION COMMENTUNITUnit ConfigurationU.CTL X Unit Control

18Table 16 — “Configuration” Mode and Submode Directory (cont)LEGENDSUBMODEKEYPADENTRYITEM DISPLAY ITEM EXPANSION COMMENTHEAT (cont)H.LAG X.X Heat The

19Table 17 — Example of Changing the CCN ConfigurationTable 18 — “Time Clock” Mode and Submode DirectorySUBMODEKEYPADENTRYITEM DISPLAY ITEM EXPANSION

2(SPT) from either a T55 or T56 device and space temperatureoffset (SPTO) from a T56 device. See Table 4 and Field-Installed Accessories section below

20Table 18 — “Time Clock” Mode and Submode Directory (cont)SUBMODESUB-SUBMODEKEYPADENTRYITEM DISPLAY ITEM EXPANSION COMMENTSCH.L(cont)PER.2(cont)MON.2

21Table 18 — “Time Clock” Mode and Submode Directory (cont)SUBMODESUB-SUBMODEKEYPADENTRYITEM DISPLAY ITEM EXPANSION COMMENTSCH.L(cont)PER.5(cont)SUN.5

22Table 19 — Setting an Occupied Time Schedule – Weekdays Only for 7:30 to 22:30SUBMODESUB-SUBMODEKEYPADENTRYITEM DISPLAY ITEM EXPANSION COMMENTSCH.LL

23Table 20 — “Operating Modes” Mode and Submode DirectoryTable 21 — “Alarms” Mode and Submode DirectoryTable 22 — Example of Reading and Clearing Alar

24OPERATIONUnit Control Type (U.CTL) — The control method isdetermined by Unit Control Type, which can be found inUNIT, a submode of Configuration. Th

25Table 23 — Outdoor Fan Level TransitionsTable 24 — Fan Level Control ofOutdoor Fan Contactors (1,2,3)Table 25 — LCSP and HCSP Transitions forSpace T

26Power Exhaust — To enable power exhaust, PE.ENmust be set to YES. If power exhaust is enabled, PowerExhaust 1 will turn on when the economizer posit

27the unit to operate around its configured steady state number ofstages. For example, if the correct number of stages is between0 and 1, this method

28For size 016 to 024 units, the algorithm must decide how tomap a two-stage thermostat to three stages of compression. Thestaging algorithm uses info

29TROUBLESHOOTINGThe Scrolling Marquee display shows the actual operatingconditions of the unit while it is running. If there are alarms orthere have

3Fig. 1 — Low Voltage Control Schematic — 48HG Units

30Alert Codes 102, 103, 104 (Current Sensor Failure) — Alertcodes 102, 103, and 104 are for compressors A1, B1, and C1,respectively. This alert occurs

31Table 27 — Alarm CodesLEGENDALARM ORALERTNUMBERDESCRIPTIONACTION TAKENBY CONTROLRESETMETHODPROBABLE CAUSET051Compressor A1 Safety Trip Add Strike fo

32Table 28 — Cooling Service AnalysisLEGENDTXV — Thermostatic Expansion ValvePROBLEM CAUSE REMEDYCompressor and condenser fan will not start.Power fai

33Table 29 — Heating Service AnalysisPROBLEM CAUSE REMEDYBurners will not ignite.Misaligned spark electrodes. Check flame ignition and sensor electrod

34Fig. 13 — IGC Control (Heating and Cooling) LEGENDNOTE: Thermostat Fan Switch in the“AUTO” position.IDM —Induced-Draft MotorIGC —I

35Thermistor Troubleshooting — The electronic con-trol uses five 5K-thermistors (T1 through T5) to sense tempera-tures used to control operation of th

36Table 30 — 5K Thermistor Temperature (F) vs Resistance/VoltageTEMP(F)VOLTAGEDROP(V)RESISTANCE(Ohms)–253.699 98,010–243.689 94,707–233.679 91,522–223

37Table 31 — 5K Thermistor Temperature (C) vs Resistance/VoltageTEMP(C)VOLTAGEDROP(V)RESISTANCE(Ohms)–323.705 100,260–313.687 94,165–303.668 88,480–29

38Table 32 — 10K Thermistor Temperature (°F) vs Resistance/Voltage DropTEMP(F)VOLTAGEDROP (V)RESISTANCE(Ohms)–254.758 196,453–244.750 189,692–234.741

39Table 33 — 10K Thermistor Temperatures (°C) vs Resistance/Voltage DropTable 34 — Suction Pressure Transducer Pressure (PSIG) vs Voltage DropPRESSURE

4Fig. 2 — Low Voltage Control Schematic — 50HG Units

40APPENDIX A — CCN TABLESUNIT (General Unit Configurations)DESCRIPTION STATUS DEFAULT UNITS POINTNumber of Compressors1 – 3 2: 12.5, 25 ton3: 15, 18,

41APPENDIX A — CCN TABLES (cont)OPTIONS1 (Option Configurations)IAQ (Indoor Air Quality Configurations)DESCRIPTION STATUS DEFAULT UNITS POINTStartup D

42APPENDIX A — CCN TABLES (cont)ECONOCFG (Economizer Configurations)SET POINTDESCRIPTION STATUS DEFAULT UNITS POINTEconomizer Equipped UnitYes/No No:

43APPENDIX A — CCN TABLES (cont)GENERALDESCRIPTION STATUS UNITS POINT FORCEABLEUNIT:Currently OccupiedYes/No OCCUPIED YSupply Air Temperaturesnnn.n dF

44APPENDIX A — CCN TABLES (cont)TSTAT (Thermostat)ECONOMZR (Economizer)DESCRIPTION STATUS UNITS POINT FORCEABLEThermostat Y1 InputOn/Off Y1 YThermosta

45APPENDIX A — CCN TABLES (cont)COOLINGHEATINGSTATUS (Status of Modes)DESCRIPTION STATUS UNITS POINT FORCEABLEOutdoor Air is CoolYes/No OAT_COOL NOK t

46APPENDIX A — CCN TABLES (cont)ALARMOUTSTRTHOUR (Component Hours and Cycles)VERSIONSDESCRIPTION STATUS DEFAULT UNITS POINTALARM OUTPUT ACTIVE FOR:Spa

47APPENDIX A — CCN TABLES (cont)BRODEFS (Broadcast POC Definition Table)OCCUPANCY MAINTENANCE TABLEOCCUPANCY SUPERVISORYDISPLAY (STDU SETUP)SCHEDOVR (

48APPENDIX A — CCN TABLES (cont)ALARMDEF (Alarm Definition Table)ALARMSNOTE: Alerts will displayed as Txxx.DESCRIPTION STATUS DEFAULT UNITS POINTAlarm

5Fig. 3 — Power Schematic — 48/50HG

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.PC 1

CL-1CONTROL SET-UP CHECKLISTModel Number: ____________________________________ Software Versions: _________________________________Serial Number:____

Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.PC 1

6---.A —Circuit AAUX —Auxiliary Contact---.B —Circuit B---.C —Circuit CC—Compressor, ContactorCAP —CapacitorCB —Circuit BreakerCCN —Carrier Comfort Ne

7Table 2 — Thermistor and Transducer DesignationsSENSORPINCONNECTIONPOINTFUNCTION AND LOCATION PART NO.ThermistorsOATJ8 — 5,6 (MBB) Outside Air Temper

8Table 3 — Discrete or Digital InputsINPUTPINCONNECTIONPOINTTERMINALCONNECTIONPOINTCOMMENTCompressorCurrent Sensor A1J9 — 10,11,12 (MBB) —Part No. = H

9Table 4 — Additional Analog InputsLEGENDTable 5 — Main Base Board and Economizer Control Board OutputsLEGENDTable 6 — CCN Communication Bus WiringINP