Friedrich H)A18K34L, R410A, H)A12K25L, H)A09K34L, H)A24K25L VHA 09/12/18 with 2.5 KW, 3.4 KW or 5KW

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HEAT PUMP WITH ELECTRIC HEAT

ELECTRICAL & THERMOSTAT WIRING DIAGRAM

VHA 09/12/18 with 2.5 KW, 3.4 KW or 5KW

ELECTRIC HEAT

NOTE: THE DIAGRAM ABOVE, ILLUSTRATES THE TYPICAL THERMOSTAT WIRING FOR TWO SPEED FAN OPERATION. SEE THE UNIT CONTROL PANEL FOR THE ACTUAL UNIT WIRING DIAGRAM AND SCHEMATIC.

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Contents R v i c e M a n u a l R 4 1 0 a M o d e l s Technical Support Contact Information IntroductionTable of Contents Important Safety Information Your safety and the safety of others are very importantRefrigeration System Hazards Property Damage Hazards Production RUN Number Product Line Serial Number Year ManufacturedMonth Manufactured Chassis Specifications ModelExtended Cooling Performance Indoor WET Bulb TEMP. Degrees F AT 80 F D.BElectrical Requirements Electric Shock HazardRemote Thermostat and Low Voltage Control Connections RT5 Two speed fan RT4 One speed fanThermostat Connections Electronic Control Board Features Quiet Start/StopElectronic Control Configuration Test Mode Electronic Control Error Code DiagnosticsDiagnostics Vpak electronic control Features Thermostat CompatibilityExternal Static Pressure Explanation of charts Capacitor Check with Capacitor Analyzer Components TestingCapacitors Capacitor ConnectionsDrain PAN Valve Components TestingHeater Elements and Limit SWITCHES’ Specifications Refrigeration Assembly Refrigeration Sequence of OperationService CUT/SEVER HazardEquipment Must be Capable Sealed Refrigeration System RepairsEquipment Required Risk of Electric ShockBurn Hazard Method Of Charging / RepairsUndercharged Refrigerant Systems Freeze HazardOvercharged Refrigerant Systems Restricted Refrigerant SystemCheck Valve Hermetic Components CheckMetering Device Capillary Tube SystemsChecking the Reversing Valve Testing the CoilReversing Valve DESCRIPTION/OPERATION Fire Hazard Procedure For Changing Reversing ValveTouch Test in Heating/Cooling Cycle Compressor Checks Internal Overload Vpak 24 K Btus Single Phase Resistance TestExternal Overload Vpak 9, 12, 18 K Btus Ground TestHigh Temperatures Compressor ReplacementRecommended procedure for compressor replacement Routine Maintenance Electrical Shock HazardElectrical Troubleshooting Chart Cooling 9K BTU, 12K BTU, & 18K BTUElectrical Troubleshooting Chart Cooling 24K BTU Circuit Breakers areElectrical Troubleshooting Chart Heat Pump Heat Pump ModeTroubleshooting Chart Cooling Troubleshooting Chart HeatingVEA 09/12/18 with 2.5 KW, 3.4 KW or 5KW Electric HeatVHA 09/12/18 with 2.5 KW, 3.4 KW or 5KW Cool with Electric Heat Heat Pump with Electric Heat Cool with Electric Heat Heat Pump with Electric Heat Technical Service Data Technical Service DataVPK-ServMan-L Friedrich AIR Conditioning CO
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H)A09K25L, H)A12K50L, H)A09K50L, H)A24K10L, H)A24K25L specifications

Friedrich R410A is a refrigerant blend that has become a cornerstone in the HVAC industry, particularly for air conditioning systems. This hydrofluorocarbon (HFC) is known for its efficiency and environmentally friendly properties, making it a popular alternative to older refrigerants like R22.

One of the main features of R410A is its exceptional thermal efficiency. It has a higher cooling capacity compared to R22, which allows for smaller and more efficient equipment. This efficiency translates to reduced energy consumption and lower operating costs for users. Additionally, the higher pressure capability of R410A enables the design of more compact systems, which is particularly beneficial for residential and commercial applications where space is often limited.

R410A is characterized by its zero ozone depletion potential (ODP), which is a significant advantage over its predecessors. This makes it a more environmentally responsible choice, aligning with global initiatives to phase out substances that harm the ozone layer. However, it is essential to note that while R410A does not deplete the ozone, it does have a global warming potential (GWP) of approximately 2,088, making it less favorable in terms of climate impact compared to natural refrigerants.

In terms of technology, R410A is typically utilized in systems that are designed specifically for this refrigerant. Equipment compatible with R410A often features advanced components that can handle the higher pressures required. Many modern air conditioning systems equipped with R410A also incorporate variable-speed compressors and advanced electronic controls, enhancing overall performance and comfort.

Additionally, R410A systems often come equipped with variable refrigerant flow (VRF) technology, which allows for precise temperature control in multiple zones of a building. This versatility makes R410A an ideal choice for both residential and commercial installations, providing optimal comfort throughout various spaces.

In summary, Friedrich R410A stands out due to its high energy efficiency, zero ozone depletion potential, and suitability for modern HVAC technologies. As the industry moves towards more sustainable practices, R410A serves as a reliable refrigerant that balances performance with environmental responsibility. It’s a significant choice for anyone looking to invest in efficient and eco-friendly heating and cooling solutions.