Carrier 48/50PD05 manual MBB Connections, Fil.S

Page 48

48/50PD

Table 19 — MBB Connections

DISPLAY

POINT DESCRIPTION

 

SENSOR LOCATION

TYPE OF I/O

CONNECTION

NAME

 

PIN NUMBER

 

 

 

 

 

 

 

INPUTS

 

 

 

 

Input power from TRAN1

 

control box

24 VAC

J1, 1

---3

 

IGC Fan Request

 

gas section

switch input

J6,

4

FDWN

Fire shutdown switch

 

supply/return/space

switch input

J6,

6

HUM

Space Humidity switch

 

space

switch input

J7,

4

 

Digital Scroll Unloader

 

 

switch input

J7,

6

C.ALM

Scroll Compressor Alarm

 

 

switch input

J7,

8

CMP.A

Compressor A Feedback

 

 

switch input

J7, 10

FIL.S

Filter status switch

 

indoor fan section

switch input

J9, 2

---3

CS.A1

Compressor A1 Current Sensor

 

control box

0---5vdc digital input

J9, 10

---12

SPT

Space temperature (T55/56)

 

space

10k thermistor

J8, 1

---2

SPTO

Space temperature offset (T56)

 

space

10k thermistor

J8, 2

---3

OAT

Outdoor air temperature

 

outdoor coil support

10k thermistor

J8, 5

---6

SAT

Supply air temperature

 

indoor fan housing, or

10k thermistor

J8, 7

---8

 

supply duct

 

 

 

 

 

 

SCT.A

Saturated condenser temperature, circuit A

 

outdoor coil, circuit A

5k thermistor

J8, 9---10

RAT

Return air temperature

 

Return air Section

10k thermistor

J8, 13

---14

FAN.S

Fan status switch

 

indoor fan section

switch input

J8, 15

---16

SSP.A

Suction pressure, circuit A

 

compressor A suction

0---5 VDC pressure

J8, 18

---20

 

transducer

 

 

 

 

 

 

 

 

 

OUTPUTS

 

 

 

CTLR

Digital Scroll Ctrl Pwr

 

 

relay

J10,

11

CCH

Crankcase heat relay

 

 

relay

J10,

13

OFC.1

Outdoor fan 1 relay

 

 

relay

J10,

19

IDF

Indoor fan VFD pwr relay

 

 

relay

J10,

21

ALRM

Alarm relay

 

 

relay

J10,

23

HT.1

Heat Stage 2 relay

 

 

relay

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

 

 

24 VAC

J4, 5

---6

 

Modulation Board (AUX1) LEN

 

 

communication

J3, 1

---3

 

Optional ECB power

 

 

24 VAC

J2, 1

---2

48

Image 48
Contents Table of Contents Safety Considerations What to do if you smell gasGeneral Basic Control UsageScrolling Marquee Mode and Menu Display Structure System Pilott and Touch Pilot DevicesCCN Tables and Display START-UP Power Supply Internal WiringEvaporator Fan Condenser Fans and MotorsControls Quick SET-UP Accessories CCN CommunicationSetting an Occupied Time Schedule Weekdays Only for 730 to Fan StatusFilter Status TimeclockService Test Programming Operating SchedulesIndependent Outputs Fan TestThird Party Control Controls OperationUnit Configuration ModesGeneral Operating Sequence Occupancy DeterminationCompressor Operation Indoor Fan OperationOutdoor Fan Operation Economizer OperationUnoccupied Free Cooling Indoor Air Quality IAQ Cooling Modes Cool Supply Air Set Point Ventilation Mode For all units with EconomizersFor units with Enthalpy Control Demand Control VentilationHeating Modes Supply-Air Temperature Sensor SAT Gas Heat Start-UpTemperature Compensated Start Setting Up the SystemTemp Comp Strt Cool Factr TCS.C Temp Comp Strt Heat Factr TCS.HCarrier Comfort Network Ccnr Configuration Demand LimitTroubleshooting Alarm HandlingRestart Procedure Complete Unit StoppageAlarms and Alerts Communication FailuresAlert Code T073 Outdoor Air Temperature Thermistor Failure Alert Code T074 Space Temperature Thermistor FailureAlert Code T075 Supply Air Temperature Thermistor Failure Alarm Code A154 Serial Eeprom Hardware FailureAlarm Code T155 Serial Eeprom Storage Failure Error Alarm Code A156 Critical Serial Eeprom Storage Fail ErrorAlarm Code A200 Linkage Timeout Comm Failure Alarm Code A404 Fire ShutdownAlert Code T415 IAQ Input Out of Range Alert Code T416 OAQ Input Out of RangeComfortLink Alarm Codes Cooling Troubleshooting Digital Scroll Controller DSC Troubleshooting Cooling Service AnalysisFlash Code 4 ⎯ Locked Rotor DSC Red LED Flash CodesEconomizer Troubleshooting Economizer Service AnalysisHeating Troubleshooting Variable Frequency Drive VFD TroubleshootingPhase Loss Protection IGC Service Analysis Logic IGC Board LED Alarm Codes Electric Heat Service AnalysisLED FlashThermistor Troubleshooting Air TemperaturesRefrigerant Temperatures Thermistor/Temperature Sensor CheckTransducer Troubleshooting Forcing Inputs and OutputsSensor Trim Temp Voltage Resistance Drop Temp Voltage Resistance Temp F Drop Degree C Degree F Major System Components GeneralPressure Voltage Psig48PD Control Wiring Schematic 50PD Control Wiring Schematic 48/50PD Power Wiring Schematic and Legend Typical Unit Component Arrangement Setting Main Base Board MBBMBB Connections FIL.SCenter of the board. Do not change this setting Economizer Control Board ECBECB Connections RM.OCModulation Board AUX1 CommunicationDigital Scroll Control Board DSC CMP.AVariable Frequency Drive VFD Variable Frequency Drive VFDIntegrated Gas Control IGC Board Integrated Gas Control IGC BoardLow Voltage Terminal Strip TB1Accessory Navigatort Display Field-Installed AccessoriesScrolling Marquee Display Carrier Comfort Network Ccnr InterfaceSpace Temperature Sensor T-58 Space Temperature Sensor AveragingSpace Temperature Sensor Averaging Service Cleaning Coil Maintenance and Cleaning RecommendationPeriodic Clean Water Rinse Routine Cleaning of Round-Tube Coil SurfacesCondensate Drain Pan FiltersOutdoor-Air Inlet Screens Main Burner 48PDEvaporator Fan Service and Replacement Evaporator Fan Performance AdjustmentLubrication Evaporator Fan Belt Tension Adjustment Variable Frequency Drive VFD ReplacementCondenser-Fan Adjustment Economizer Operation During Power Failure Verify Sensor PerformanceEvacuation Refrigerant ChargeGas Valve Adjustment PuronR RefrigerantAltitude Compensation 48PG03-07 Elevation Natural GAS PropaneHigh Altitude Main BurnersFilter Drier Protective DevicesReplacement Parts Diagnostic LEDsRelief Devices Compressor Sound ShieldMode RUN Status Appendix a Local Display and CCN TablesStrt Alrmdisp = CCNOnly Generic = CCNMode Service Test Mode TemperaturesMode Pressures Mode SET Points Mode InputsMode Outputs OutputsMode Configuration HT.TY HTRMRT.H MOT.HIA.CF IA.FNII.CF II.FNTrim SPT.CSPT.T SAT.CMode Time Clock CCN only TablesMode Operating Modes OK.HT ACT.HEN.LO AQ.DVMode Alarms Expansion Range Default CCN CCN Point CCN WriteExpansion Range Units TABLE/SUB---TABLE StatusAppendix B VFD Information VFD Terminal DesignationsVFD Configurations Standard Display Mode VFD OperationVFD Modes Start Up with AssistantParameters Mode Start-Up Assistant ModeChanged Parameters Mode Drive Parameter Backup ModeVFD Diagnostics VFD Maintenance Correcting AlarmsHistory Heat SinkFault Codes 101---105201---206 1000 10011002 1003Alarm Codes Maintenance IntervalsMaintenance Interval Main Fan Replacement Control Panel CleaningBattery Replacement Appendix C START-UP Data Fan Performance 48PDD05 Vertical UnitsFan Performance 48PDE05 Vertical Units AirflowFan Performance 48PDD06 Vertical Units Fan Performance 48PDE06 Vertical Units Rpm Bhp 1500Available External Static Pressure in. wg CFMFan Performance 48PDD05 Horizontal Units Fan Performance 48PDE05 Horizontal UnitsBhp Rpm Fan Performance 48PDD06 Horizontal Units 1026 1086 1144 1199 1253Fan Performance 48PDE06 Horizontal Units Fan Performance 50PD05 Vertical Units Fan Performance 50PD06 Vertical UnitsFan Performance 50PD05 Horizontal Units Bhp Rpm 1500General Notes for FAN Performance Data Tables Appendix D Additional START-UP Data Control SET Point and Configuration LOG Indicate Unit Settings belowCCN Point Entry 103 104 Unit START-UP Checklist PRE-START-UP106

48/50PD05 specifications

The Carrier 48/50PD05 is a remarkable addition to Carrier's lineup of rooftop units, offering advanced cooling and heating solutions for commercial applications. Designed for medium-sized buildings, this unit is well-suited for both new installations and as a replacement for older systems, thanks to its versatile features and efficient performance.

One of the standout features of the 48/50PD05 is its energy efficiency. It incorporates state-of-the-art technology to achieve high Seasonal Energy Efficiency Ratios (SEER) and EER ratings, reducing operational costs while delivering superior comfort. The unit is also compliant with the latest energy regulations, making it an environmentally friendly choice for building owners concerned about sustainability.

The 48/50PD05 is equipped with a highly efficient scroll compressor, which not only enhances performance but also contributes to quiet operation. This is a significant advantage in commercial spaces where noise levels need to be kept in check for comfort and productivity. Additionally, the unit includes advanced airflow design, ensuring even distribution of conditioned air throughout the space.

Technologically, the Carrier 48/50PD05 features Carrier's Infinity Control system, which allows for precise control of indoor climate. This intelligent control mechanism can be integrated with smart building management systems, enabling users to monitor and manage energy use effectively. Wi-Fi connectivity is also available, providing remote access for real-time adjustments and diagnostics.

Durability is another characteristic of the 48/50PD05. Constructed with high-quality materials, the unit withstands various environmental conditions, ensuring longevity and reliability. Moreover, the modular design facilitates easy maintenance, making service procedures efficient and cost-effective.

In addition to cooling, the Carrier 48/50PD05 offers heating capabilities, often utilizing gas or electric heating options that can be tailored to the specific needs of a building. The unit can also be equipped with integrated economizers, allowing for free cooling during suitable outdoor conditions, further enhancing energy savings.

Overall, the Carrier 48/50PD05 stands out as a high-performance HVAC solution that combines efficiency, technology, and durability. It provides building owners with a versatile tool to ensure comfort while minimizing their environmental footprint. With a strong emphasis on energy savings and advanced control features, this rooftop unit is a smart investment for any commercial property.