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___________

090

 

3090

 

00

 

ENH

 

 

 

Continous Fan

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Lo

 

 

 

Med

 

 

 

Hi

 

 

 

 

 

 

 

 

 

 

 

 

 

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

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.