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TABLE
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Page
.........................
2
.........................................
3
...........................
3
ComfortLink ,_ Control ..............................
3
Scrolling Marquee ..................................
3
Accessory Navigator Display ..........................
3
Operation .........................................
3
System Pilot _ Device ...............................
4
CCN Tables and Display .............................
4
Conventions Used in This Manual ......................
5
START-UP .........................................
5
Unit Preparation ....................................
5
Compressor Mounting ...............................
5
Refrigerant Service Ports .............................
5
Crankcase Heater(s) .................................
5
Compressor Rotation ................................
5
.....................................
6
Internal Wiring .....................................
6
Evaporator Fan ....................................
6
Condenser Fans and Motors ...........................
6
Return-Air Filters ..................................
6
Outdoor-Air Inlet Screens ............................
6
...............................
7
Orifice Change (48PD Only) ..........................
7
Gas Heat (48PD Only) ...............................
7
.........................
7
................
7
Standard Unit Control ...............................
7
...............................
8
.......................................
8
....................
10
SERVICE TEST ....................................
10
Independent Outputs ...............................
10
Fan Test .........................................
10
Cooling Test .....................................
11
Heating Test ......................................
11
..........................
11
................................
11
Fire Shutdown ....................................
11
Alarm Output .....................................
11
Economizer Monitoring .............................
11
Economizer Damper Control .........................
11
...........................
11
..............................
11
Modes ..........................................
12
Unit Configuration .................................
12
General Operating Sequence .........................
13
...........................
13
Compressor Operation ..............................
14
Indoor Fan Operation ...............................
14
.............................
15
Economizer Operation ..............................
15
Indoor Air Quality (IAQ) ............................
16
Cooling Modes ...................................
17
Heating Modes ....................................
20
Temperature Compensated Start .......................
22
23
Demand Limit ....................................
23
Alarm Handling ...................................
24
..............................
24
Complete Unit Stoppage ............................
24
Restart Procedure ..................................
24
......................
24
Communication Failures ............................
25
Alarms and Alerts .................................
25
............................
30
31
.........................
33
............................
34
........
34
..............................
34
.........................
37
.........................
38
Forcing Inputs and Outputs ..........................
38
....................
42
.........................................
42
Main Base Board (MBB) ............................
47
Economizer Control Board (ECB) .....................
49
Modulation Board (AUX1) ..........................
51
Digital Scroll Control Board (DSC) ....................
52
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Summary of Contents for Carrier 50PD05
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Page 1: Table Of Contents
Cooling Modes ........Compressor Mounting ....... Refrigerant Service Ports ......Heating Modes ........Temperature Compensated Start ....... Crankcase Heater(s) ......... Compressor Rotation ........ Carrier Comfort Network (CCN)® Configuration ..Demand Limit ........Power Supply ........Internal Wiring ........Alarm Handling ........TROUBLESHOOTING ...... -
Page 2: Safety Considerations
Accessory Navigator Display ....... severe personal iniury or death. WARNING signifies a hazard Carrier Comfort Network (CCN)® Interface ..... which could result in personal iniury or death. CAUTION is used Field-Installed Accessories ......to identify unsafe practices... -
Page 3: General
The ComfortLink control is fully communicating and cable-ready 48/50PD units. (See Fig. 2.) The Navigator display operates for connection to the Carrier Comfort Network® (CCN) building same way as the Scrolling Marquee device. The Navigator display management system. -
Page 4: System Pilot
down a rrow keys t o scroll through the top-level categories. These economizer commanded position (EC.CP) is forced, the Navigator are listed in Appendix A and will be indicated on the Scrolling display shows "80F', where the "F' is blinking to signify a force on Marquee... -
Page 5: Conventions Used In This Manual
Conventions Used in This Manual The following conventions for discussing configuration points the local display (Scrolling Marquee or Navigator T, accessory) will be used in this manual. Point names will be written with the Mode name first, then any submodes, then the point name, each separated by an arrow symbol (-+). -
Page 6: Power Supply
CONTROL COMPRESSOR ELECTRICAL OPTIONS PANEL INDOOR MOTOR \"\ ACCESS DOOR OUTDOOR SCREEN (HIDDEN) CONDENSER COIL ACCESS PANEL GAS SECTION ACCESS FILTER ACCESS DOOR BASEPAN CONNECTIONS ACCESS PANEL C 07002 Fig. 4 - Panel and Filter Locations On 3-phase units, it is important to be certain the compressors are limits, evaporator fan motor specifications, FIOP static pressures, rotating in the proper direction. -
Page 7: Accessory Installation
Control Set Point and Configuration elevation. Purchase these orifices from your local Carrier dealer. During start up, accessory installation, and equipment service Follow instructions in accessory Installation Instructions to install the correct orifices. -
Page 8: Ccn Communication
Table Application Specific Configurations DISPLACEMENT SINGLE ZONE ITEM EXPANSION DEFAULT UNITS VENTILATION SASP Cool Supply Air Setpoint FS.MX Supply Fan Maximum Speed FS.MN Supply Fan Maximum Speed FS.VM Vent Mode Fan Speed M IN.C M in Corn pressor Capacity FS.CD Fan Speed Control Demand SA.MU... - Page 9 Status Filter Status If a Fan Status accessory field installed, the unit must If a Filter Status accessory was field installed, the unit must configured for it by setting Configuration---_UNIT---_FN.SW configured for it by setting Configuration--_UNIT--_FL.SW normally open (1) or normally closed (2).
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Page 10: Programming Operating Schedules
SERVICE TEST Programming Operating Schedules ComfortLink controls will accommodate eight The Service Test function can be used to verify proper operation different schedules (Periods 1 through 8), and each schedule compressors, heating stages, indoor fan, outdoor fans, power assigned to the desired days of the week. -
Page 11: Cooling Test
Fire Shutdown Cooling Test The cooling (COOL) submenu is used to change output status for The fire shutdown input is provided for unit shutdown in response to a fire alarm or smoke detector. The Fire Shutdown Switch testing the cooling function. -
Page 12: Modes
Password Enable (PROT) IMPORTANT: The 48/50PD unit only supports Gen III TEMP Monitor Thermostat. This variable enables or disables the use of a password. Demand Limit in Effect (D.LMT) password is used to restrict control to change configurations. Displays if a demand limit has been placed on the unit's capacity. -
Page 13: General Operating Sequence
Level 1 Priority Sensor Input (RH.S) This configuration identifies if a space relative humidity sensor The CCN point OCCUPIED is forced via an external device such as a ComfortID _ controller: when OCCUPIED is forced to YES, installed on the outdoor air quality (OAQ) input. -
Page 14: Compressor Operation
(Configuration--+CCN--+SCH.O--+OV.SP) is set to YES. (Service Test--+INDP--+ECON) to 0 (Econonfizer Damper Closed) The length of the override period is detemfined by the and Indoor Fan Speed Test (Service Tes---,FANS---,F.SPD) equal to Timed Override Hours setting (Configuration---,UNIT---,FS.MX). Measure the supply to return (Con figuration--+CCN--+ SCH.O--+O V>EX). -
Page 15: Outdoor Fan Operation
When the outdoor fan contactor is energized the outdoor fan runs Outdoor Fan Operation at low speed. The 48/50 PD units use a multi-speed outdoor fan motor to control The outdoor fan speed is controlled by a system three of fan levels head pressure within... -
Page 16: Indoor Air Quality (Iaq)
(Configuration--,ECON--,UEFC = O) - Disabled (Configuration--+ECON--+MP.MX) when the fan is at Supply When UEFC = 0, unoccupied free cooling is disabled. Maximum Speed (Configuration---,UNIT---,FS_X) Cooling will only occur if the space exceeds damper position will vary at other fan speeds as described in the unoccupied... -
Page 17: Cooling Modes
exceed Econ Min Speed Lockout Linfit (Configuration---,AIR.Q---,OAQ_L) is 600 CO2. (Configuration--_ECON--_MP_X) Override Position (Configuration--,AIR.Q--,OVRdP) provide econonfizer Enable (Analog Sensor) cooling. algorithm will operate whenever building IA.CF = 3 (Control Minimum Position) occupied and the indoor fan is operating or whenever the IAQ When IA.CF = 3, an external... - Page 18 variable orUnoccupied Cool S et P oint ( Setpoints--->UCSP) plus SASP Maxinmm Reset Speed Control Demand (Configuration--_COOL--_SAT--_SA_U) configuration variable (Configuration--->COOL--->FS.CD) configuration variable can be set to 0 giving the range of Cool Supply Air Set Point indoor fan will at 100%. When temperature in the...
- Page 19 all units with Economizers: pressure readings to deternfine the actual Indoor Fan Max Speed CFM (Configuration--+ECON--+IDF.C). 1. 1.The outdoor temperature is below the Econo Cool Temp Limit (Configuration--_ECON--_EH_LO) and above Economizer Position Econo Cool Temp Linfit (C onfiguration--+ E CON--+ EL_LO) . MAX P For units with Enthalpy...
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Page 20: Heating Modes
Quality (IAQ) section of the Econonfizer Operation section above applied due to cooling requirements that reset the Supply Air Set for more details on Demand Control Ventilation (DCV). Point (Setpoint-+SASP). Whenever Relative Hunfidity Reset applied the space temperature is controlled by modulating the fan Economizer Operation... - Page 21 beextended by 15seconds. The n_axinmm delay i s 3 minutes. Supply-Air Temperature Sensor (SAT) Once modified by the IGC, the fan off delay will not change back Heat Mode Sensing configured Fan-off Delay, Heat (Configuration--,HEAT--,SAT--,SATJt) affects Supply (Configuration--,HEAT--,FOD.G) unless power is reset to the Temperature...
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Page 22: Temperature Compensated Start
willnotbeinterrupted tothe burners and heating willcontinue. Supply-Air Temperature Sensor (SAT) Once m odified, thefanondelay will notchange back to 45 Heat Mode Sensing seconds unless power isreset tothe control. When t he indoor fan (Configuration--,HEAT--,SAT--,SATart) affects Supply turns o nafter the 40or45second delay t he indoor fan willrunat Temperature (Temperatures-,AIR.T-,SAT) value displayed. -
Page 23: Carrier Comfort Network (Ccn)® Configuration
(SCH.O--,OV.TL) IMPORTANT: The maximum minutes Start Bias can be is 180. This configuration allows the user to decide how long an override Carrier Comfort Network (CCN)® occurs when it is initiated. The override may be configured from 1 Configuration to 4 hours. -
Page 24: Alarm Handling
before the strike counter will be reset to zero. Default value is 5 Loadshed Group Number (S.GRP) nfinutes. This corresponds to the loadshed supervisory devices that reside elsewhere on the CCN network and broadcast loadshed and redline Alarm Broadcast commands to its associated equipment parts. This variable will Operators of CCN networks... -
Page 25: Communication Failures
The MBB has one yellow which is used to indicate the current software, If necessary, reload current software, Aboard communication activity. The Carrier Comfort Network@ (CCN) LED will blink during times of network communication. LED that islit continuously should bereplaced, Communication... - Page 26 only the outdoor temperature to control the outdoor fans. If both this time. Change the CS.A1 to disable and this alert will clear and not return. the SCT and OAT fail, then circuit shutdown alarm will occur also. The cause of the alert is usually a faulty thernfistor, a shorted or (Con figuration--+COOL--+CS_41) open thernfistor caused by a wiring error, or a loose connection.
- Page 27 Recovery is automatic but MBB board replacement may be found at variable Configuration-+UNIT-+FS.SW. Verify that the necessary. Cycling the power to the control should be tried before configuration is set correct, verify the wiring and auxiliary device. board replacement. This alarm resets automatically. Alarm Code T155 - Serial EEPROM Storage Failure Error Alert Code T408 - Dirty Air Filter...
- Page 28 • Economizer Damper Actuator Hunting Excessively Initiate economizer calibration (Service Test--,INDP--, E.CAL) using the Service Test menu. The economizer calibration This alert occurs when the commanded damper position procedure will try to find new maximum open and closed changing too rapidly. The stop jog ration must be less than 21% positions.
- Page 29 Table 8 -- ComfortLink T_,Alarm Codes ALARM ACTION TAKEN BY RESET DESCRIPTION PROBABLE CAUSE ALERT CONTROL METHOD NUMBER No action Automatic Digital Compressor Control Board Alarm See the DSC's LEDs for troubleshooting Current Sensing turned on (CS.A1 = Enable) and Add Strike for Circuit A Automatic Compressor...
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Page 30: Cooling Troubleshooting
Table 8 -- ComfortLink T_Alarm Codes (cont) ALARM ACTION TAKEN BY RESET DESCRIPTION PROBABLE CAUSE ALERT CONTROL METHOD NUMBER T178 Loss of Communication with the Capacity Unit shutdown -HVAC Automatic Communication wiring problem with AUX1 or faulty Control Board disable MBB, ECB, or AUXl T179 Loss of communication... -
Page 31: Digital Scroll Controller (Dsc) Troubleshooting
Table 9 -- Cooling Service Analysis PROBLEM CAUSE REMEDY Compressor and Fan Will Not Start Power failure. Call power company. Fuse blown or circuit breaker tripped. Check CB1 and Replace fuse or reset circuit breaker. CB2. Disconnect off. Power disconnect. Compressor time guard to prevent short cycling. - Page 32 measured atemperature above 268 F(131 C)orthe thermistor the system controller providing the signal may not be powered. short circuited (jumpered out). The DSC will de-energize the compressor contactor and unloader The DSC willde-energize the compressor contactor and unloader solenoid and the alarm relay contacts will close causing a T051...
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Page 33: Economizer Troubleshooting
Unit is operating under free cooling. Economizer is operating correctly. minimum position Unit fan speed is offsetting the economizer minimum Economizer is operating correctly. position to maintain proper ventilation. LEGEND Carrier Comfort Network Indoor Air Quality Variable Frequency Drive... -
Page 34: Heating Troubleshooting
Phase Reversal Protection Heating Troubleshooting If the control senses an incorrect phase relationship, the relay (KI) the unit Scrolling Marquee display or a CCN device to view will be de-energized (opening its contact). If the phase relationship the heating status display heating diagnostic... - Page 35 I FLASH - INDOOR FAN [_ELAY _O_FED (HEATING) 2 _S - OF_-NN SW_rCH OF UME SFJV_OR iNE_J_TES FLAME WffH CLOSED VALVE 4 FL_..S - L_IT SWITCH 4 _MES ON CYCLED CALL FK)R HEAT HEATING I 5 _ - E_rK3N L(_r2,KOLrF _ t5 mW"_tses) (No _nJ_n ',_ ON IGC - 1 MINUTE...
- Page 36 Table 13 -- Board Alarm Codes ACTION TAKEN FLASH DESCRIPTION RESET METHOD PROBABLE CAUSE CONTROL CODE Normal Operation Hardware Failure No gas heating. Loss of power to the IGC. Check 5 amp fuse on IGC, power to unit, 24V circuit breaker, transformer, and wiring to the IGC.
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Page 37: Thermistor Troubleshooting
Thermistor Troubleshooting The electronic control uses thermistors to sense temperatures used to control operation of the unit. Resistances at various temperatures are listed in Table 15-17. Thermistor pin connection points are shown in the Maior System Components section. The general locations of the thermistors are shown the Maior... -
Page 38: Transducer Troubleshooting
Sensor Trim Corrective offsets can be applied to the space temperature and the supply air temperature sensor readings. These corrections are set in Configuration--,TRIM menu display, Maintenance--,TRIM table for CCN. See the Indoor Air Quality section for available adjustments to IAQ and OAQ sensor readings. space temperature corrected... - Page 39 Table 15 -- Temperature (°F) vs Resistance/Voltage Drop Values RAT, OAT, SAT, and SPT Thermistors (10K at 25°C Resistors) TEMP VOLTAGE RESISTANCE TEMP VOLTAGE RESISTANCE TEMP VOLTAGE RESISTANCE DROP (V) (Ohms) DROP (V) (Ohms) DROP (V) (Ohms) 4.758 2.994 196,453 14,925 0.890 2,166...
- Page 40 Table 16 -- Temperature (°F) vs. Resistance/Voltage Drop Values for SCT Sensors (5K at 25°C Resistors) TEMP VOLTAGE RESISTANCE VOLTAGE RESISTANCE VOLTAGE RESISTANCE DROP (V) (Ohms) TEMP (F) DROP (V) (Ohms) TEMP (F) DROP (V) (Ohms) 3.699 98,010 1.982 7,866 0.511 1,190 3.689...
- Page 41 Table 17 -- Temperature vs Resistance Values for the DTT Thermistor (86K at 25 °C Resistors) Degree Degree Resistance (k Ohms) Degree Degree Resistance (k Ohms) - 40 - 40 2889.60 15.07 - 65 - 61 2087.22 12.76 - 30 - 22 1522.20 10.79...
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Page 42: Major System Components
Table 18 -- Pressure (psig) vs. Voltage Drop Values for Suction Pressure Transducers VOLTAGE PRESSURE VOLTAGE PRESSURE VOLTAGE PRESSURE PRESSURE VOLTAGE DROP (V) (psig) DROP (V) (psig) DROP (V) (psig) (psig) DROP 0.465 1.135 1.804 2.474 0.485 1.154 1.824 2.493 0.505 1.174 1.844... - Page 43 (ECB) T_AN2 [ 48HG503976 I 4.0 C08582 Fig. 12 - 48PD Control Wiring Schematic...
- Page 44 POWER EXHAUST FlOP/ACCESSORY TRA_I _k<_ I_ _ r........_i:;_-, .Fi.L.; 2'"_,'?_ '_'_ 111 ..÷ .... I ............TO MBf_J7 9 v ....BL_..BL}{ ....L_RN-- -G>> CO.TRO...._ QUIP _ SWITCHES 4. 5 AND GRNI 4.8HG503977 C08583 Fig.
- Page 45 POWER EXHAUST CONTACIOR POWER EXHAUST MOTOR CIRCUIT BREAKER PLUGGED FILTER CRANKCASE HEATER CCNR CRANKCASE HEATER RELAY PLUG QUADRUPLE TERMINAl CARRIER COMFORT NETWORK RETURN AIR TEMPRHATUNE COMP COMPRESSOR {DIGITAL} CURRRNT SENSOR ROLLOUT SWIT¢I! SUPPLY AIR TEMPERAIURE BS¢ DIGITAL SCROLL CONTROLLER DISCHARGE [EMPERATURE...
- Page 46 D]:T UC LOCAIION UNIT CONTROL TRAN TRAN i ..: _ _"i¸ MPRESSOR CONTACTO ..CURRENT SENSOR AUXI (:08657 Fig. 15 - Typical Unit Component Arrangement...
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Page 47: Main Base Board (Mbb)
YELLOW LED - RED LED - STATUS GREEN LED - CCN (CARRIER COMFORT NETWORK) LEN (LOCAL EQUIPMENT NETWORK) INSTANCE JUMPER (SET TO 1) CEPL130346-01 STATUS © C 07026 Fig. 16 - Main... - Page 48 J10, 25 HT.2 Heat Stage 1 relay relay J10, 27 COMMUNICATION Local Equipment Network (LEN) communication J5, 1-3 Carrier Comfort Network (CCN) communication J5, 5-7 Network device power 24 VAC J5, 9-10 Scrolling Marquee Display (LEN) communication J4, 1-3 Scrolling Marquee Display power...
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Page 49: Economizer Control Board (Ecb)
digitally communicating with ECB, economizer Economizer Control Board (ECB) actuator is able to provide damper position diagnostic The ECB controls the economizer actuator. (See Fig. 17 and Table information ComfortLink controller. damper 20.) control signal from uses either position is displayed at Outputs-->ECON-->EC.4P. - Page 50 PE.2 Power exhaust 2 relay relay J8, 6 EC.CP Commanded Economizer position 0-20 mA J9, 1 COMMUNICATION Local Equipment Network (LEN) communication J2, 1-3 Carrier Comfort Network (CON) communication EC.CP & Economizer actuator position J7, 1 EC.AP (digital control) communication...
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Page 51: Modulation Board (Aux1)
ECB, therefore must operational for the Modulation Board (AUX1) communicate. The AUXI board controls the compressor capacity and the indoor IMPORTANT: The AUXI board has an 8-position DIP switch fan speed (See Fig. 18 and Table 21.) It outputs a l-5vdc and a (SI) that is factory... -
Page 52: Digital Scroll Control Board (Dsc)
direct control of the compressor pulses Digital Scroll Control Board (DSC) solenoid unloader on and off to provide a specific capacity. The DSC board controls the compressor's capacity. (See Fig. 19 discharge temperature thermistor (DTT) is monitored by the DSC and Table 22.) It receives a l-5vdc... - Page 53 Variable Frequency Drive (VFD) The VFD varies the frequency of the AC voltage supplied to the indoor fan. (See Fig. 20 and Table 23.) This causes the variance ..the speed of the fan. The commanded fan speed is received by the VFD from the AUXI board as a 2-10vdc...
- Page 54 Integrated Gas Control (IGC) Board is equipped with an LED (light-emitting diode) diagnostics. See the Troubleshooting section for more information. The IGC is provided on gas heat units. (See Fig. 21 and Table 24.) The IGC controls the direct spark ignition system and monitors rollout...
- Page 55 Space temperatu re offset (T56) space 1Ok thermistor J12, 3- 4 FAN STATUS NOT USED J12, 1-2 Local Equipment Network (LEN) communication J13, 1-3, 4-5 Carrier Comfort Network (CCN) communication J13, 6-8, 4-5 Refer to Third Party Control section for more information...
- Page 56 4. The RJI4 CCN connector on TBI can also be used, but is only intended for temporary connection (for example, laptop computer running Carrier network software). 5. Restore power to unit. IMPORTANT: A shorted cable will prevent some routines from...
- Page 57 HVAC-- Heating, Ventilation, and Air Conditoning TCU -- Terminal Control Unit CCN SITE GATEWAY REMOTE AUTODIAL ADDITIONAL MINALS DAV FAN POWERED MIXING HVAC NON CARRIER EQUIPMENT COMFORT AIR DISTRIBUTION-DIGITALAIR VOLUME CONTROL (DAV) CONTROLLER (07030 Fig. 25 - CCN System Architecture...
- Page 58 T B 1 -T55 TO MAIN BASE BOARD SENSOR SENSOR 2 SENSOR SENSOR SPACETEMPERATURE AVERAGING --4 T-55 SENSOR APPLICATION TB1 -T55 TO MAIN BASE BOARD SENSOR SENSOR 3 SENSOR 2 LEGEND -- Terminal Block -- Factory Wiring -- Field Wiring SENSOR 4 SENSOR SENSOR...
- Page 59 IMPORTANT: The Fan Status terminals on TB1 are NOT to be Carrier Accessory Kits used. There are specific accessory kits sold for various field installed Enthalpv accessories. These kits vary based model, size, voltage, Sensors manufacture date, and duct orientation.
- Page 60 This cleaner Manual provided with this unit for more details. available from Carrier Replacement parts division as part number 2. Do not store or use gasoline or other flammable P902-0301 gallon container, part...
- Page 61 UNIT RELIABILITY HAZARD Failure t o follow this caution may result in reduced unit performance. High velocity water from a pressure washer, garden hose, or compressed air should never be used to clean a coil. The force of the water or air jet will bend the fin edges increase...
- Page 62 Toinspect blower w heel, open heat s ection d oor. U sing a 4. Disconnect the electrical wires connected to the slide-out flashlight, look intothe flue exhaust duct toinspect. If cleaning is fan deck (supply air thermistor fan status switch required, remove motor a nd wheel assembly by removing the installed).
- Page 63 7.Realign fan and motor pulleys: (See Fig. 32.) Lift out the bracket when the pulley side is a.Loosen fan pulley s etscrews. clear from the fan sled. b.Slide f an pulley a long f an shaft. 4. With all the wires stilled attached to the VFD, turn the VFD c.Make a ngular alignment byloosening...
- Page 64 Fig. 33 - Condenser-Fan Adjustment Refrigerant Charge Verify Sensor Performance Amount of refrigerant charge is listed on unit nameplate. Refer to Carrier GTAC II; Module 5; Charging, Recovery, Recycling, Verify that thermistor, transducer, and switch inputs are reading...
- Page 65 Includes a 4% input reduction per each 1000 ft. Orifices available through your Carrier dealer. Compressor Discharge Pressure, [psig] Gas Valve Adjustment (07040 The gas valve opens and closes in response to the thermostat Fig.
- Page 66 9. Rotate the burner/manifold assembly to the right, away High Altitude from the flue extension and lift burner/manifold assembly For high altitude applications greater than 2,000 ft the heat input out of unit. rate should be reduced. The higher the altitude is above sea level, Cleaning Adjustment...
- Page 67 Marquee display (see Alarms and Alerts section for more Replacement Parts details). Relief Devices A complete list of replacement parts may be obtained from Carrier distributor upon request. All units have relief devices protect against damage from Diagnostic LEDs excessive pressures (i.e., fire).
- Page 68 APPENDIX A - LOCAL DISPLAY AND CCN TABLES Table 27 -- MODE - RUN STATUS CON WRITE ITEM EXPANSION RANGE UNITS POINT STATUS TABLE/SUB-TABLE RUN STATUS STATUS DISPLAY VIEW Auto View of Run Status (VIEW = Display only) HVAC HVAC Mode Status 1 =Disabled HVACMODE...
- Page 69 APPENDIX A - LOCAL DISPLAY AND CCN TABLES (CONT) Table 27 -- MODE - RUN STATUS (cont) CCN WRITE ITEM EXPANSION RANGE UNITS POINT STATUS TABLE/SUB-TABLE STRT Component Starts ST A1 forcible Compressor A1 Starts XXXXXX forcible Crankcase Heater Starts ST CCH XXXXXX indoor...
- Page 70 A - LOCAL APPENDIX DISPLAY AND CCN TABLES (CONT) Table 28 -- MODE - SERVICE TEST DISPLAY ITEM EXPANSION RANGE UNITS DEFAULT POINT WRITE WRITE CON TABLE/SUB-TABLE STATUS STATUS SERVICE TEST MAINTENANCE DISPLAY forcible forcible TEST Field Service Test Mode On/Off CTRL (TEST = display...
- Page 71 APPENDIX A - LOCAL DISPLAY AND CCN TABLES (CONT) Table 31 -- MODE - SET POINTS ITEM EXPANSION RANGE UNITS DEFAULT CON POINT CON TABLE/SUB-TABLE SETPOINT CONFIGURATION SETPOINTS OCSP 55 to 80F OCSP Occupied Cool Setpoint UCSP 75 to 95F UCSP Unoccupied Cool...
- Page 72 A - LOCAL APPENDIX DISPLAY AND CCN TABLES (CONT) Table 33 -- MODE - OUTPUTS DISPLAY ITEM EXPANSION RANGE UNITS CCN TABLE/SUB-TABLE CCN POINT WRITE WRITE STATUS STATUS STATUS DISPLAY OUTPUTS UOUTPUT FANS Fan Outputs Indoor Fan VFD Pwr Relay On/Off F.SPD FANSPEED...
- Page 73 APPENDIX A - LOCAL DISPLAY AND CCN TABLES (CONT) - CONFIGURATION Table 34 -- MODE PAGE ITEM EXPANSION RANGE UNITS DEFAULT CCN POINT TABLE/SUB-TABLE CONFIGURATION SERVICE CONFIGURATION DISP DISPLAY Display Configuration METR On/Off DISPUNIT Metric Display LANG LANGUAGE Language Selection 0=English 1 =Spanish 2=French...
- Page 74 A - LOCAL APPENDIX DISPLAY AND CCN TABLES (CONT) Table 34 -- MODE - CONFIGURATION (cont) PAGE ITEM EXPANSION RANGE UNITS DEFAULT CCN POINT TABLE/SUB-TABLE H EAT HEAT Heating Configuration HT.TY 0=No Heat HEATTYPE Type of Heat Installed 0 (50 series with no 1 =Gas electric heat)
- Page 75 APPENDIX A - LOCAL DISPLAY AND CCN TABLES (CONT) Table 34 -- MODE - CONFIGURATION (cont) PAGE ITEM EXPANSION RANGE UNITS DEFAULT CCN POINT TABLE/SUB-TABLE AIR.Q Air Quality Config. IA.CF 0=No 0: no FlOP IAQANCFG IAQ Analog Input Config 1 = DCV 1: FlOP 2=Override 3=Ctrl...
- Page 76 APPENDIX A - LOCAL DISPLAY AND CCN TABLES (CONT) Table 34 -- MODE - CONFIGURATION (cont) PAGE ITEM EXPANSION RANGE UNITS DEFAULT CCN POINT TABLE/SUB-TABLE GENERICS (GENERIC = CCN only) POINT 01 Definition Point 8- char ASCII POINT 02 Definition 8- char ASCii Point...
- Page 77 APPENDIX A - LOCAL DISPLAY AND CCN TABLES (CONT) Table 35 -- MODE - TIME CLOCK ITEM EXPANSION RANGE UNITS DEFAULT POINT TABLE/SUB-TABLE TIME CLOCK CONFIGURATION TIME TIME Time of Day TIME Hour and Minute xx.xx hh.mm TIME DATE Current Date MNTH Month...
- Page 78 APPENDIX A - LOCAL DISPLAY AND CCN TABLES (CONT) Table 37 1 MODE - OPERATING MODES DISPLAY ITEM EXPANSION RANGE UNITS CCN POINT WRITE WRITE TABLE/SUB-TABLE STATUS STATUS OPERATING MODES MAINTENANCE DISPLAY MODE Control Modes MODES MODE TEXT1 Unit operation disabled MODE TEXT2...
- Page 79 APPENDIX A - LOCAL DISPLAY AND CCN TABLES (CONT) Table 37 -- MODE - OPERATING MODES (cont) DISPLAY ITEM EXPANSION RANGE UNITS CCN POINT WRITE WRITE TABLE/SUB-TABLE STATUS STATUS H EAT HEATDiAG Heat Mode Diagnostic HEAT Yes/No IN HEAT In Heating Mode? OK.HT OKto...
- Page 80 APPENDIX A - LOCAL DISPLAY AND CCN TABLES (CONT) Table 37 -- MODE - OPERATING MODES (cont) DISPLAY ITEM EXPANSION RANGE UNITS CCN POINT WRITE WRITE TABLE/SUB-TABLE STATUS STATUS OCCDEFM (OCCDEFM = CCN only) Occupancy Supervisory MODE Current Mode (1 =Occup) Current Occup Period...
- Page 81 APPENDIX B - VFD INFORMATION On 48/50PD units, the supply fan speed is controlled by a 3-phase powered during normal operation prevent VFD. The VFD is located in the supply fan section behind condensation from forming on the boards during the off mode and indoor fan scroll.
- Page 82 (1) Forward setting 1301 Minimum AI - 1 ABB Drive default ANALOG INPUTS 1302 Maximum AI - 1 ABB Drive default Carrier default settings 1401 Relay Output 1 (7) Started from PPS RELAY OUTPUTS 1402 (2) Run ABB Drive default...
- Page 83 Fig. 41 - VFD Keypad running but not at set point. A stationary arrow indicates that the drive is stopped. For Carrier rooftop units, the correct rotation counterclockwise. Start with Assistant The upper right corner shows the frequency...
- Page 84 To stop process, select ABORT UP and DOWN keys sinmltaneously. To restore the default factory (SOFT KEY 1). settings, select the Carrier application macro. 5. When the upload is complete, the text "Parameter upload Start-Up Assistant Mode successful" will be displayed.
- Page 85 Download Application Parameters 3. Use the UP or DOWN keys to highlight the desired I/O setting and press SEL (SOFT KEY 2). To download application parameters only to the control panel from 4. Use the UP or DOWN keys to select the parameter to view. the VFD, perform the following procedure: Press OK (SOFT KEY 2).
- Page 86 (in parameters Table 43 lists the routine maintenance intervals recommended 0402 through 0411) to aid in troubleshooting a problem. Carrier. example, a parameter 0404 stores the motor speed at the time of the Heat Sink fault. To clear the fault history...
- Page 87 OMIO and OINT boards. Contact Carrier. OPEX PWR Internal fault. Low voltage condition detected on the OINT board. Contact Carrier. CURR MEAS Internal fault. Current measurement is out of range. Contact Carrier. SUPPLY PHASE Ripple voltage in the DC link is too high.
- Page 88 APPENDIX B - VFD INFORMATION (CONT) Table 41 -- FAULT CODES (cont) FAULT FAULT NAME IN PANEL DESCRIPTION AND RECOMMENDED CORRECTIVE ACTION CODE 1000 Parameter values are inconsistent. Check for any of the following: 2001 MINIMUM SPEED > 2002 MAXIMUM SPEED 2007 MINIMUM FREQ >...
- Page 89 APPENDIX B - VFD INFORMATION (CONT) Table 42 -- ALARM CODES ALARM ALARM NAME DESCRIPTION AND RECOMMENDED CORRECTIVE ACTION CODE IN PANEL 2001 Reserved 2002 Reserved 2003 Reserved 2004 DIR LOCK The change in direction being attempted is not allowed. Do not attempt to change the direction of motor rotation, Change parameter...
- Page 90 Replacement fans are available from Carrier. To replace the main fan for frame sizes RI through R2, perform following (see Main Fan Replacement figure): 1. Remove power from drive.
- Page 91 APPENDIX C - START-UP DATA Table 44 -- Fan Performance - 48PDD05 Vertical Units AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW (Cfm) 1200 0.16 0.23 0.31 0.40 0.49 1300 0.19 0.27 0.35 0.44 0.54 1400 0.22 0.31 0.40 0.49 0.59 1500 0.26 0.35...
- Page 92 Table 46 -- Fan Performance - 48PDF05 Vertical Units AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW (Cfm) 1200 0.17 0.24 0.33 0.41 0.51 1300 0.20 0.28 0.37 0.46 0.56 1400 0.24 0.32 0.41 0.51 0.61 1500 0.28 0.37 0.46 0.56 0.67 1600 0.32...
- Page 93 - 48PDE06 Table 48 -- Fan Performance Vertical Units AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW (Cfm) 1500 0.29 0.38 0.47 0.57 0.68 1600 0.33 0.43 0.53 0.64 0.75 1700 0.39 0.49 0.60 0.71 0.82 1800 0.45 0.55 0.67 0.78 0.90 1900 0.51...
- Page 94 Table 50 -- Fan Performance - 48PDD05 Horizontal Units AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW (Cfm) 1200 0.12 0.19 0.27 0.35 0.45 1300 0.14 0.22 0.30 0.39 0.49 1400 0.17 0.25 0.34 0.43 0.53 1500 0.20 0.29 0.38 0.48 0.58 1600 0.24...
- Page 95 - 48PDF05 Table 52 -- Fan Performance Horizontal Units AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW (Cfm) 1200 0.13 0.20 0.28 0.37 0.46 1300 0.16 0.23 0.32 0.41 0.50 1400 0.18 0.27 0.36 0.45 0.55 1500 0.22 0.31 0.40 0.50 0.60 1600 0.26...
- Page 96 Table 54 -- Fan Performance - 48PDE06 Horizontal Units AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW (Cfm) 1500 0.23 0.41 0.51 0.61 0.32 1600 0.27 0.46 0.56 0.67 0.36 1700 0.31 0.52 0.62 0.74 0.42 1800 0.37 0.58 0.69 0.81 0.47 1900 0.43...
- Page 97 - 50PD05 Table 56 -- Fan Performance Vertical Units AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW (Cfm) 1200 0.15 0.22 0.31 0.39 0.49 1300 0.18 0.26 0.34 0.43 0.53 1400 0.21 0.29 0.38 0.48 0.58 1500 0.24 0.33 0.43 0.53 0.63 1600 0.28...
- Page 98 Table 58 -- Fan Performance - 50PD05 Horizontal Units AVAILABLE EXTERNAL STATIC PRESSURE (in. wg) AIRFLOW (Cfm) 1200 0.11 0.19 0.26 0.35 0.44 1300 0.13 0.21 0.29 0.38 0.47 1400 0.16 0.24 0.33 0.42 0.51 1500 0.19 0.27 0.37 0.46 0.56 1600 0.22...
- Page 99 Recalculate the unit power supply MCA and MOCP if and casing losses, Gas heat losses are included for 48 series required. Contact your Carrier representative for details. units, 6. Use the following formula to calculate input watts: Input Watts = Bhp x (746/Motor Eft)
- Page 100 (746) Variable-speed motors are exempt from EPACW compliance requirements. watts motor efficiency Therefore, the indoor-fan motors for Carrier 48/50PG03-14 units are exempt from these requirements. Table 63 -- Fan Rpm at Motor Pulley Settings* - 48/50PD UNIT MOTOR PULLEY...
- Page 101 CONTROL SET POINT CONFIGURATION Model Number: Software Versions: Serial Number: MBB: CESR131320-- Date: ECB: CESRI31249-- Technician: MAR@ CESRI31171-- INDICATE UNIT SETTINGS BELOW Control Type: Thermostat/T55 Space Temp./T-56 Space Temp./T-58 Space Temp. Set Points: Cooling Occupied: Unoccupied: Heating Occupied: Unoccupied: Table 65 -- MODE - CONFIGURATION ITEM EXPANSION...
- Page 102 Table 65 -- MODE - CONFIGURATION (cont) ITEM EXPANSION RANGE UNITS DEFAULT CCN POINT ENTRY TABLE/SUB-TABLE H EAT HEAT Heating Configuration HT.TY 0=No Heat HEATTYPE Type of Heat Installed 0 (50 series with no 1 =Gas electric heat) 2=Electric 1 (48 series) 2 (50 series with electric heat)
- Page 103 Table 65 -- MODE - CONFIGURATION (cont) ITEM EXPANSION RANGE UNITS DEFAULT CCN POINT ENTRY TABLE/SUB-TABLE AIR.Q Air Quality Config. IA.CF 0=No 0: no FlOP IAQANCFG IAQ Analog Input Config 1 = DCV 1: FlOP 2=Override 3=Ctrl Min Pos IA.FN 0 = Neve r IAQANFAN IAQ Analog...
- Page 104 Table 65 -- MODE - CONFIGURATION (cont) ITEM EXPANSION RANGE UNITS DEFAULT CCN POINT ENTRY TABLE/SUB-TABLE GENERICS (GENERIC = CCN only) POINT 01 Definition 8-char ASCII Point POINT 02 Definition 8- char ASCII Point POINT 03 Definition Point 8- char ASCII POINT 04 Definition 8- char...
- Page 105 UNIT START-UP CHECKLIST MODEL NO.: SERIAL DATE: TECHNICIAN: PRE-START-UP: VERIFY THAT ALL PACKAGING MATERIALS HAVE BEEN REMOVED FROM UNIT VERIFY INSTALLATION OF OUTDOOR AIR HOOD VERIFY INSTALLATION OF FLUE EXHAUST AND INLET HOOD (48PD ONLY) VERIFY THAT CONDENSATE CONNECTION IS INSTALLED PER INSTALLATION INSTRUCTIONS VERIFY...
- Page 106 Catalog No:48-50PD-01T Copyright 2009 Carrier Corp. * 73 i0 W. Morris St. * hldianapolis. IN 46231 Printed in U.S.A. Edition Date: 3/09 Replaces: NEW Manufacturer reserves the right to change_ at any time_ specifications and designs without notice and without...
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