Carrier 48JZ (N) 024-060, 50GL 024-060, 50JZ 024-060 START-UP Checklist, Preliminary Information

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START-UP CHECKLIST

(Remove and Store in Job File)

I. Preliminary Information

MODEL NO.:_________________________________

SERIAL NO.:__________________________________

DATE:_______________________________________

TECHNICIAN:_________________________________

II. PRE-START-UP (Insert checkmark in box as each item is completed)

( ) VERIFY THAT ALL PACKING MATERIALS HAVE BEEN REMOVED FROM UNIT

( ) REMOVE ALL SHIPPING HOLD DOWN BOLTS AND BRACKETS PER INSTALLATION INSTRUCTIONS ( ) CHECK ALL ELECTRICAL CONNECTIONS AND TERMINALS FOR TIGHTNESS

( ) CHECK GAS PIPING FOR LEAKS (WHERE APPLICABLE)

( ) CHECK THAT INDOOR (EVAPORATOR) AIR FILTER IS CLEAN AND IN PLACE ( ) VERIFY THAT UNIT INSTALLATION IS LEVEL

( ) CHECK FAN WHEEL, AND PROPELLER FOR LOCATION IN HOUSING/ORIFICE AND SETSCREW TIGHTNESS ( ) MAKE SURE THAT - ON 060 SIZE PURON HEATPUMP, ONLY-THE TWO WIRE TIES FASTEN TO THE OUTDOOR COILS AND REVERSING VALVE/ACCUMULATOR HAVE BEEN REMOVED.

III.START-UP ELECTRICAL

SUPPLY VOLTAGE __________________________________

COMPRESSOR AMPS_________________________________

INDOOR (EVAPORATOR) FAN AMPS___________

TEMPERATURES

OUTDOOR (CONDENSER) AIR TEMPERATURE ___________DB RETURN-AIR TEMPERATURE ___________DB ___________WB COOLING SUPPLY AIR ___________DB ___________WB HEAT PUMP SUPPLY AIR ___________

GAS HEAT SUPPLY AIR ___________

ELECTRIC HEAT SUPPLY AIR ___________

PRESSURES

GAS INLET PRESSURE

___________IN. WG

 

 

 

 

 

 

 

 

 

 

 

GAS MANIFOLD PRESSURE ___________IN. WG

 

 

 

 

 

 

 

 

 

 

 

REFRIGERANT SUCTION ___________PSIG SUCTION LINE TEMP*___________

 

 

 

 

 

 

 

 

 

 

REFRIGERANT DISCHARGE ___________PSIG DISCHARGE TEMP†___________

 

 

 

 

 

 

 

 

 

 

( ) VERIFY REFRIGERANT CHARGE USING CHARGING CHARTS

 

 

 

 

 

 

 

 

 

 

 

GAS HEAT TEMPERATURE RISE

 

 

 

 

 

 

 

 

 

 

 

TEMPERATURE RISE (LITERATURE) RANGE___________

 

 

 

 

 

 

 

 

 

 

 

 

EASY SELECT

MEASURED TEMPERATURE RISE___________

 

*Measured at suction inlet to compressor

 

Heat Settings

†Measured at liquid line leaving condenser.

 

 

 

 

 

 

 

 

 

 

 

IV. EASY SELECT SETTINGS

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

AC HP Size

 

 

FULL UNIT MODEL NUMBER:___________

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ENTER AVAILABLE HEATSETTINGS

 

 

 

 

 

 

 

 

 

 

 

ENTER AVAILABLE AIRFLOW HEAT AIR PIN CONNECTION

 

 

 

 

 

 

 

 

 

 

 

 

 

System Type

 

 

SETTING___________

 

 

 

 

 

 

AC

HP-Comfort

 

 

 

HP.Eff

 

 

 

 

ENTER AVAILABLE SIZES SIZE PIN CONNECTION SETTING___________

 

 

TYPE PIN CONNECTION SETTING___________

AC/HP CFM Adjust

ADJUST PIN CONNECTION SETTING___________

 

 

 

 

 

 

 

 

 

 

 

Norm

 

 

Lo

 

 

Hi

 

 

 

 

DELAY PIN CONNECTION SETTING___________

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

On/Off Delay

(0/0 or 0/90 for gas/electric models)

 

 

CONTINOUS FAN PIN CONNECTION SETTING___________

0⁄90

 

30⁄90

 

0⁄0

 

ENH

 

 

 

Continous Fan

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Lo

 

 

 

Med

 

 

 

Hi

 

 

 

 

 

 

 

 

 

 

 

 

 

29

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Contents Installation, Start-Up, and Operating Instructions Easy SELECT-48GP Special Procedures for 208-V OperationControl Voltage Connections Standard ConnectionHigh Airflow Time Delay ProfileWhen Thermostat is SET on Continuous FAN 48GP Sequence of Operation Accessory InstallationAIR Conditioner Select Options Easy SELECT-48JZHumidifier Wiring-48JZ Easy SELECT-50GL & 50JZ 48JZ Sequence of OperationTion Page 50GL & 50JZ Sequence of Operation Humidifier Wiring for 50GL & 50JZFAN Operation ICM Fiop START-UPGAS Heat Mode Cooling ModeHeat Pump Heating Automatic CHANGE-OVERICM Fiop Physical Data-Unit 48GP Size 48GP LOSS-OF-CHARGE/LOW-PRESSURE Switch48GP with ICM Fiop Electrical Data ICM Fiop Electric Schematic-Unit 48GP Outdoor Coil ICM Fiop Physical Data-Unit 48JZIndoor Coil Indoor Blower48JZ with ICM Fiop Electrical Data ICM Fiop Electric Schematic-Unit 48JZ ICM Fiop Physical Data-Unit 50GL Range Motor Heat Power Supply Size 50GL50GL with ICM Fiop Electrical Data ICM Fiop Electrical Schematic-50GL Refrigerant ICM Fiop Physical Data-Unit 50JZCompressor Quantity Type 50JZ with ICM Fiop Electrical Data Range Motor Heat Power Supply Size 50JZICM Fiop Electrical Schematic-50JZ CFM Adjust LO PIN NOM PIN HI PIN Unit PIN Select Size 48GP & 48JZ Gas Heating ICM Airflow Large Cabinet 48GP & 48JZ ICM Air Flow vs. Temperature Rise Chart48GP & 48JZ Gas Heating ICM Airflow Small Cabinet Minimum Airflow for Reliable Electric Heater Operation CFM Electric Heat Pressure Drop Table in. wg Large Cabinet Electric Heat Pressure Drop Table in. wgICM Fiop WET Coil Pressure Drop in. wg Filter Pressure Drop Table in. wgCause Remedy Troubleshooting ChartPreliminary Information START-UP ChecklistBook Catalog No Form 48-21SI 10-01 Replaces 48-20SI Tab

48JZ (N) 024-060, 50JZ 024-060, 48GP (N) 024-060, 50GL 024-060 specifications

The Carrier 50GL 024-060, 48GP (N) 024-060, 50JZ 024-060, and 48JZ (N) 024-060 units are part of Carrier’s advanced HVAC solutions, offering efficient cooling and heating systems designed for both residential and light commercial applications. These models are known for their reliability, energy efficiency, and innovative technology, making them a popular choice for users looking to enhance comfort while reducing operational costs.

One of the main features of the Carrier 50GL series is its use of high-efficiency compressors. These compressors are engineered to operate quietly and effectively, providing optimal performance even during peak load conditions. Additionally, they are equipped with smart features that allow for precise temperature control and improved energy savings, often exceeding standard performance metrics.

The 48GP (N) units are particularly notable for their compact design, making them ideal for installations where space is a limitation. Despite their smaller footprint, they boast significant cooling and heating capacities, ensuring consistent comfort. The use of advanced variable-speed technology in these units helps to maintain consistent indoor temperatures while minimizing energy consumption.

The 50JZ and 48JZ (N) models incorporate advanced inverter technology, allowing for variable refrigerant flow. This technology adjusts the system's output according to the demand, resulting in lower energy usage and increased comfort levels. Additionally, these units feature enhanced filtration systems that improve indoor air quality by capturing airborne pollutants, allergens, and other contaminants.

Another key characteristic of these Carrier units is their durability. Built with high-quality materials, they are designed to withstand harsh environmental conditions, ensuring longevity and reduced maintenance requirements. Furthermore, the installation process is simplified, thanks to user-friendly design features that promote easy serviceability and accessibility.

Overall, the Carrier 50GL 024-060, 48GP (N) 024-060, 50JZ 024-060, and 48JZ (N) 024-060 HVAC units stand out in the industry for their advanced features, energy efficiency, and robust performance. They offer a comprehensive solution for anyone seeking reliable temperature control and improved indoor air quality in a variety of settings.
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