Carrier 38AUQ appendix Preliminary Information

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III. START UP

 

 

 

 

 

 

 

 

 

 

 

 

START-UP CHECKLIST

 

 

 

 

 

 

I. PRELIMINARY INFORMATION

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OUTDOOR: MODEL NO.

 

 

 

 

 

 

 

SERIAL NO.

 

 

 

 

 

 

 

 

INDOOR: AIR HANDLER MANUFACTURER

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MODEL NO.

 

 

 

 

 

 

SERIAL NO.

 

 

 

 

 

 

 

 

ADDITIONAL ACCESSORIES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

II. PRE-START-UP

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

OUTDOOR UNIT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

IS THERE ANY SHIPPING DAMAGE?

 

 

 

(Y/N)

 

 

 

 

 

 

 

 

 

IF SO, WHERE:

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WILL THIS DAMAGE PREVENT UNIT START-UP?

 

 

(Y/N)

 

 

 

 

 

 

 

 

 

CHECK POWER SUPPLY. DOES IT AGREE WITH UNIT?

 

 

 

(Y/N)

 

 

 

 

 

 

 

 

 

HAS THE GROUND WIRE BEEN CONNECTED?

(Y/N)

 

 

 

 

 

 

 

 

 

HAS THE CIRCUIT PROTECTION BEEN SIZED AND INSTALLED PROPERLY?

(Y/N)

 

 

 

 

 

ARE THE POWER WIRES TO THE UNIT SIZED AND INSTALLED PROPERLY?

(Y/N)

 

 

 

 

CONTROLS

ARE THERMOSTAT AND INDOOR FAN CONTROL WIRING CONNECTIONS MADE AND CHECKED?

(Y/N)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ARE ALL WIRING TERMINALS (including main power supply) TIGHT?

 

 

 

(Y/N)

 

 

 

 

 

 

 

 

 

 

 

 

HAS CRANKCASE HEATER BEEN ENERGIZED FOR 24 HOURS?

 

(Y/N)

 

 

 

 

 

 

 

 

 

 

 

INDOOR UNIT

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HAS WATER BEEN PLACED IN DRAIN PAN TO CONFIRM PROPER DRAINAGE?

 

(Y/N)

 

 

 

 

 

ARE PROPER AIR FILTERS IN PLACE?

 

(Y/N)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HAVE FAN AND MOTOR PULLEYS BEEN CHECKED FOR PROPER ALIGNMENT?

 

 

(Y/N)

 

 

 

 

 

DO THE FAN BELTS HAVE PROPER TENSION?

(Y/N)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HAS CORRECT FAN ROTATION BEEN CONFIRMED?

 

 

(Y/N)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

PIPING

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ARE LIQUID LINE SOLENOID VALVES LOCATED AT THE INDOOR COILS AS REQUIRED?

(Y/N)

HAVE LEAK CHECKS BEEN MADE AT COMPRESSOR, OUTDOOR AND INDOOR COILS,

 

 

 

 

 

TXVs (Thermostatic Expansion Valves), SOLENOID VALVES, FILTER DRIERS, AND FUSIBLE PLUGS

 

 

 

 

 

WITH A LEAK DETECTOR?

 

(Y/N)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LOCATE, REPAIR, AND REPORT ANY LEAKS.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HAVE LIQUID LINE SERVICE VALVES BEEN OPENED?

 

 

 

(Y/N)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HAVE SUCTION SERVICE VALVES BEEN OPENED?

 

 

 

(Y/N)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CHECK VOLTAGE IMBALANCE

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LINE-TO-LINE VOLTS:

AB

 

 

V

AC

 

 

 

 

V

 

 

 

BC

 

 

V

 

 

 

 

 

(AB + AC + BC)/3 = AVERAGE VOLTAGE =

 

 

 

 

V

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

MAXIMUM DEVIATION FROM AVERAGE VOLTAGE =

 

 

 

 

 

 

 

 

 

 

V

 

 

 

 

 

 

 

 

 

 

 

VOLTAGE IMBALANCE = 100 X (MAX DEVIATION)/(AVERAGE VOLTAGE) =

 

 

 

 

 

 

 

 

 

 

 

 

IF OVER 2% VOLTAGE IMBALANCE, DO NOT ATTEMPT TO START SYSTEM!

CALL LOCAL POWER COMPANY FOR ASSISTANCE.

CL-1

Image 35
Contents Safety Considerations ContentsInstallation Installation GuidelineReplacement /Retrofit R22 to Puron 38AUQ*07-12 Unit Dimensions Qty...Type Pressurestat Settings psig High CutoutOperating Charge, Typical lb† Shipping Charge lbOperating Charge, Typical kg† Operating Weight kg Aluminum-Fin CoilsPressurestat Settings kPa High Cutout Nominal Capacity kWRefrigerant Options Service OptionsModel Type Type of CoilInstallation Puron-duty Filter Driers 38AUQ*07-12 Piping Recommendations Single-Circuit UnitMaximum Vertical Separation Insulation for Vapor Line Exposed To Outdoor Conditions Refrigerant Specialties Part NumbersComplete Electrical Connections Install AccessoriesField Power Supply All units Units Without Factory-Installed DisconnectUnits with Factory-Installed Disconnect Convenience OutletsConvenience Outlet Location Installing Weatherproof CoverThermostat Field Control WiringElectrical Data 38AUQ*07-12 Hz Units START-UP PRE-START-UPFinal Checks Advanced Scroll Temperature Protection AstpAdjust Refrigerant Charge Start Unit38AUQ*07 Charging Chart 38AUQ Wiring Diagram 208/230-3-60 shown Base Unit Controls Operating SequenceRefrigeration System Routine System MaintenanceService Quarterly Inspection 30 days after initial startOutdoor Coil Metering Devices Field Refrigerant Access PortsRefrigerant System Pressure Access Ports Liquid Line Filter DrierCommercial Defrost Control Heat Pump ControlsCompressor Protection Crankcase HeaterCompressor control Dip Switch PositionDefrost Reversing valve controlDefrost Speedup Functions Indoor Fan Off DelayDefrost Thermostats Fans Service Valves 38AUQ*08 Exterior 38AUQ*12 Exterior Input Comfort Alert Diagnostic ModuleLockout LED Status CodesLubrication Outdoor Coil Maintenance and Cleaning RecommendationPeriodic Clean Water Rinse Routine Cleaning of Indoor Coil SurfacesTorque Values Service PartsFastener Torque Values Troubleshooting Appendix B Appendix aCatalog No 38AUQ-01SI Appendix CPreliminary Information CUT Along Dotted Linecut Along Dotted Line

38AUQ specifications

The Carrier 38AUQ is a versatile and efficient air conditioning unit designed to meet a variety of residential and light commercial cooling needs. Known for its advanced technology and robust performance, the 38AUQ model showcases Carrier's commitment to sustainability and energy efficiency.

One of the standout features of the Carrier 38AUQ is its use of variable-speed inverter technology. This allows the unit to adjust its cooling output in response to the temperature demands of the environment. By operating at multiple speed levels, it minimizes energy consumption and maximizes comfort, ensuring a consistent, quiet cooling experience.

The 38AUQ is equipped with a high-efficiency compressor, which helps to further enhance its energy performance. This component plays a critical role in ensuring that the unit operates smoothly, reducing both electricity bills and the environmental impact. Efficiency ratings often exceed industry standards, making the 38AUQ a suitable choice for those looking to reduce their carbon footprint while enjoying a comfortable indoor climate.

In terms of design, the Carrier 38AUQ boasts a compact and sleek profile that allows for easy installation in a variety of settings. Its durable construction is built to withstand harsh weather conditions, ensuring longevity and reliability. Additionally, an advanced air purification system is integrated, featuring filters that capture airborne particles, improving indoor air quality.

The unit also offers a range of smart features, including compatibility with smart home systems. Users can remotely control their air conditioning via smartphone apps, allowing for customizable settings and energy management from anywhere. This connectivity aligns with modern living preferences, enhancing convenience and control.

Furthermore, the Carrier 38AUQ is designed with noise reduction in mind. The advanced sound-absorbing materials and quiet operation of its fan and compressor make it one of the quieter air conditioning options on the market. This is particularly beneficial for residential applications, where noise can be a significant concern.

Overall, the Carrier 38AUQ combines cutting-edge technology, energy efficiency, and user-friendly features, making it a top choice for both homeowners and small business operators seeking reliable cooling solutions. Its commitment to performance and efficiency makes it a standout model in the Carrier air conditioning lineup.