Carrier 50MP62L-10R, MPE62L-10R, 48MPD Auxiliary Control Box Location 50MP70M Unit Shown

Page 25

Fig. 31 Ð Auxiliary Control Box Location

(50MP70M Unit Shown)

VARIABLE

FREQUENCY

DRIVE

DUCT PRESSURE TRANSDUCER

DPC

BPC

 

LO

HI

LO

HI

 

 

 

 

TO

BUILDING PRESSURE

 

 

 

BUILDING

FACTORY

 

 

PRESSURE

TRANSDUCER

 

TO SUPPLY

 

 

(HIDDEN)

INSTALLED

 

 

 

DUCT

 

 

TUBING

 

 

 

 

 

FIELD

 

 

 

 

 

 

 

 

INSTALLED

 

 

 

 

TUBING

 

 

 

TO OUTDOOR

 

 

 

 

REFERENCE

 

 

 

 

PRESSURE

 

 

 

 

PORT

 

LEGEND

BPC Ð Building Pressure Controller

DPC Ð Duct Pressure Controller

Fig. 33 Ð Air Pressure Tubing Locations

Fig. 32 Ð Auxiliary Control Box

25

Image 25
Contents Contents Installation, Start-Up and Service InstructionsSafety Considerations ContentsGeneral Install Outdoor Hoods InstallationBase Unit 48/50MP Physical DataPhysical Data Compressor Oil Charge Optional Power Exhaust SpecicationsVariable Frequency Drive VFD Physical Data FAN MotorRoof Curb Dimensions, 48/50MP62L and 70M Roof Curb Dimensions, 48/50MP82N-10R Base Unit Dimensions, 48MP62L, 70M Base Unit Dimensions, 48MP82N-10R Base Unit Dimensions, 50MP62L and 70M Base Unit Dimensions, 50MP82N-10R Size Unit WeightUnit Make Electrical Connections Field Electrical ConnectionsGND EquipNEC FLA Electrical DataLRA MCAManufacturer Recommended Sensor Device Non-Shielded CableSpace Temperature Sensor Wiring Space Temperature Sensor Averaging Heat Interlock Relay Outdoor Air¯ow Control Transducer/Thermistor CCN Connection Approved Shielded Cables COM CCNComm Auxiliary Control Box Location 50MP70M Unit Shown Gas Piping Details Installing Flue/Inlet Hoods 48MP Units OnlyFlue De¯ector Baffle Assembled Check Compressor MountingSystem Check PRE-START-UPExample Evaporator-Fan Belts, Pulleys, and Sheaves ÐFan Performance Forward Curved Ð 48/50MP70M Fan Performance Forward Curved Ð 48/50MP62LFan Performance Forward Curved Ð 48/50MP90P Fan Performance Forward Curved Ð 48/50MP82NFan Performance Air Foil Ð 48/50MP62L Fan Performance Forward Curved Ð 48/50MP10RFan Performance Air Foil Ð 48/50MP82N Fan Performance Air Foil Ð 48/50MP70MFan Performance Air Foil Ð 48/50MP10R Fan Performance Air Foil Ð 48/50MP90PControls Conguration and Quick Test Hsio Keypad Key Usage Keypad and Display Module Hsio ConfigurationSet Point Ranges and Defaults START-UP SET Point Subfunction Display Default RangeInitial Check Basic Conguration DataSupply FAN GeneralOccupied Cooling Overrides IGC Control Board LED Alarms48/50MP Units SMG, SCV and MLG Recommended Starting Values Control Loop CheckoutComponents Control SystemIndex of Lead/Lag Circuits Compressors Lead CircuitStby YES Keypad and Display Module HsioSUB Functions Hsio Keypad and Display Module Functions and SubfunctionsFunction Variable Frequency Drive VFD Display ServiceEVAPORATOR-FAN MOTORS, PULLEYS, and Belts Power Exhaust MOTORS, PULLEYS, and BeltsRefrigerant Circuit LubricationManufacturer Lubricant Charging Chart Ð Unit 48/50MP62L Charging Chart Unit 48/50MP90P Pressure Switch Settings Psig kPag AdjustmentsBelt Installation and Tensioning Switch Cutout CUT-IN06E Compressors, Typical Protective Devices Gas Valve AdjustmentMain Burner Removal Compressor ProtectionVariable Frequency Drive VFD High-Voltage Relay Modules DSIO1 and DSIO2 Processor Modules PsioStby no Troubleshooting Compressor Replacement Ð Perform the followingTorque Compressors Problem Solution Compressor does not RUN Troubleshooting and DiagnosticsCompressor Stops on HIGH-PRESSURE Switch Compressor Cycles on LOW-PRESSURE SwitchTroubleshooting and Diagnostics IGC Control Heating Ð 48MP Units Only Page Call for Free Catalog Packaged Service TrainingModel no Serial no Date Technician START-UP ChecklistIV. START-UP III. Preliminary Checklist ItemsCL-3 Fact Config Fanm

MPE62L-10R, 50MP62L-10R, 48MPD specifications

The Carrier 48MPD, 50MP62L-10R, and MPE62L-10R are advanced rooftop packaged units designed for a variety of commercial HVAC applications. These systems offer a compelling blend of energy efficiency, versatility, and high performance, making them ideal choices for businesses looking to enhance their indoor climate control.

One of the standout features of the Carrier 48MPD series is its high efficiency rating, which significantly reduces operational costs while minimizing environmental impact. The unit utilizes advanced scroll compressors that provide reliable and efficient cooling capabilities, ensuring optimal temperature regulation regardless of outdoor conditions. This innovative design also contributes to quieter operation, enhancing indoor comfort without disruptive noise levels.

The Carrier 50MP62L-10R model boasts superior cooling and heating capabilities, equipped with a multi-speed fan system that allows for tailored airflow to suit specific project requirements. This model's economizer feature is pivotal for harnessing outside air to offset mechanical cooling, leading to further energy savings, particularly in moderate weather conditions. Additionally, the unit's dual-fuel capability enhances its operational flexibility, allowing it to switch between electric and gas heating sources depending on efficiency needs.

In terms of control technologies, the MPE62L-10R is equipped with Carrier's advanced Smart Evaporator Control, which ensures precise humidity management while optimizing energy consumption. This model also integrates seamlessly with building automation systems, enabling remote monitoring and adjustments for greater operational oversight and efficiency. The intuitive user interface simplifies system programming and operation, making it accessible even for those without extensive technical backgrounds.

Another important characteristic of these units is their robust construction, designed to withstand challenging weather conditions and ensure longevity. The use of high-quality materials and components means lower maintenance costs over time.

Overall, the Carrier 48MPD, 50MP62L-10R, and MPE62L-10R represent a well-engineered suite of HVAC solutions that excel in efficiency, adaptability, and user-friendliness, establishing themselves as leading choices for commercial indoor climate management. With their blend of innovative technology and solid performance, these systems are well-suited to meet the diverse needs of modern commercial spaces.