Friedrich US10B30A, US14B30A, US12B10A Troubleshooting Guide, Outside Dimensions, Piping System

Page 13

3. TROUBLESHOOTING GUIDE

3.1 OUTSIDE DIMENSIONS

20-3/32"

(499mm)

24"

(610mm)

 

 

 

-14

 

(366mm)

 

 

 

 

 

 

 

 

 

 

 

/32"

 

 

 

 

 

 

 

 

 

 

 

 

13

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3.2 PIPING SYSTEM

CONDENSER COILS

FAN

CAPILLARY TUBE

MOTOR

COMPRESSOR

TURBO FAN

EVAPORATOR COILS

: REFRIGERANT FLOW

Following is a brief description of the important components and their functions in the refrigeration system. Refer to Fig. 18 to follow the refrigeration cycle and the flow of the refrigerant in the cooling cycle.

ROOM AIR CONDITIONER

CYCLE OF REFRIGERATION

EVAPORATOR COILS

CONDENSER COILS

COOLED AIR

 

SUCTION LINE

VAPOR INLET

COMPLETE LIQUID

 

COOL LOW PRESSURE VAPOR

 

BOIL OFF POINT

 

 

 

ROOM AIR HEAT LOAD

 

 

OUTSIDE COOLING

 

AIR FOR REFRIGERANT

MOTOR

PASS THROUGH

 

COMPRESSOR

OIL

HOT DISCHARGED AIR

LIQUID PRESSURE DROP

LIQUID OUTLET

(LIQUID REFRIGERANT)

HIGH PRESSURE VAPOR

CAPILLARY TUBE

 

LIQUID REFRIGERANT

 

 

Figure 18

LOW PRESSURE VAPOR

— 13—

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Contents Thru-the-Wall Series Preface ContentsFor US08B10A/US10B10A/US12B10A SpecificationsFor US10B30A/US12B30B/US14B30A Control Locations FeaturesCooling only Model Operation VentilationMechanical Parts Disassembly InstructionsFront Grille CabinetORIFICE, and Turbo FAN AIR Handling PartsCompressor Electrical PartsCapacitor Electronic Control Board Power CordCondenser Refrigeration CycleEvaporator Capillary TubePage Pulling Vacuum Outside Dimensions Troubleshooting GuidePiping System Troubleshooting Guide Fails to Start Complaint Cause Remedy Room AIR Conditioner Voltage Limits Complaint Cause Remedy Circuit Diagram Schematic DiagramExploded View Model US08B10A Replacement Parts ListModel US10B10A Model US12B10A Model US10B30A Model US12B30B Model US14B30A Friedrich AIR Conditioning CO
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US10B30A, US14B30A, US10B10A, US08B10A, US12B10A specifications

The Friedrich US12B10A, US08B10A, US10B10A, US14B30A, and US10B30A units signify a leap forward in heating and cooling technology, designed to offer efficient climate control for residential and commercial spaces. Each model boasts a range of features aimed at optimizing comfort while minimizing energy consumption.

The US12B10A model stands out with its impressive 12,000 BTU cooling capacity, making it suitable for larger rooms or spaces needing substantial cooling power. It integrates advanced inverter technology, which adjusts the compressor's speed to achieve the desired temperature with minimal energy wastage. This ensures quieter operation and improved efficiency compared to traditional cooling systems.

Meanwhile, the US08B10A is designed for smaller spaces, providing 8,000 BTU of cooling and heating capacity. Despite its compact size, it employs the same inverter technology found in its larger counterparts, guaranteeing consistent comfort without incurring high energy costs. The model is also equipped with an energy-saving mode, which further enhances its efficiency during off-peak usage.

The US10B10A unit is a versatile option that combines the features of both cooling and heating, with a balanced 10,000 BTU output. This dual functionality is ideal for transitional climates where heating needs may occasionally intersect with cooling demands. The system's user-friendly interface allows for easy adjustments between cooling and heating modes, enhancing user experience.

In contrast, the US14B30A brings a robust 14,000 BTU output, making it perfect for significantly larger spaces or commercial applications. Its energy efficiency rating is top-notch, ensuring a sustainable approach to heating and cooling. This model also features a programmable thermostat, allowing users to set specific schedules for operation, thereby optimizing energy use.

Lastly, the US10B30A also provides a robust 10,000 BTU of capacity but focuses on advanced filtration technology. With a multi-stage filtration system, it effectively captures allergens and particulate matter, contributing to improved indoor air quality. This feature is particularly beneficial for families with allergy sufferers or respiratory conditions.

Overall, the Friedrich series offers a comprehensive array of models built on the foundation of efficiency, versatility, and advanced technology, catering to various needs while promoting a sustainable future. Each unit delivers reliable performance, making them an excellent choice for anyone seeking optimized climate control solutions.