Friedrich Comprehensive Guide to Air Conditioner Remote Control Instructions and Manual
Page 78

Kühl Remote Control

Replacement Remote Control Configuration Instructions

For Use with Kühl (cool only models) and Kühl + (cool & heat models)

Contents:

•Remote Control with Holder

•(2) AAA-batteries

•Instruction Sheet

ATTENTION! – You May Need to Configure The Replacement Remote Control

Please read instructions completely before attempting configuration of the Remote Control. Failure to do so could result in the Remote Control not being able to operate the Air Conditioning Unit properly.

Step 1. A. Locate the Model # of your Air Conditioner.

B. Identify the prefix (First 2 Letters) of your unit’s model #.

C. Look at the chart below and in it, find the prefix of your AC unit’s model #.

D.Note the Option # Code (OPT#) next to it and the required action. The unit’s display is supposed to show this OPT# Code.

Model Prefix

Option Code

Required Action

SS, SM

OPT 1

None – Remote Control configured for use with air conditioner

SL

OPT 2

Perform Steps 2 - 5

YS, YM, YL, ES, EM, EL

OPT 3

Perform Steps 2 - 5

Step 2. Point the Remote Control at Air Conditioning Unit and then press the Remote Control’s POWER Key once to illuminate the Air Conditioning Unit’s display.

Step 3. Once the display on the Air Conditioning Unit is illuminated, check the Option Code number (OPT#) shown in the display and ensure it matches the OPT# code for your unit as per the chart above.

Air Conditioner Unit’s Display (see example below Fig 1)

OPT1

OPT2

OPT3 Displayed example

Figure 1

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Contents Heat Pump with Electric Heat Cool OnlyCool with Electric Heat Heat Pump Volt YS10M10Table Of Contents Important Safety Information Your safety and the safety of others are very importantRefrigeration System Repair Hazards Property Damage Hazards Introduction Model and Serial Number LocationUnit Identification Specifications Performance DataInstallation Information / Sleeve Dimensions Electrical Data Electric Shock HazardFire Hazard Make sure the wiring is adequate for your unit Control Panel Operation Special Functions System Exit Back FAN Mode Speed Display Schedule Enter Digital Control Panels Access Codes Summary Key Sequence ActionRemote Control Operation Remote Control Operation Electronic Control System Maintenance IntroductionElectronic Control System Maintenance Operation Test mode Bypasses Following functions Can be TestedTo Clear Error Codes’ History Factory USE onlyUnit Operation Front PanelCOOL-HEAT SET Points System Set Point Mapping FigureElectronic Control Sequence of Operation Compressor OperationHeating Mode Control Operation Heat Control Heat Pump OnlyHeat Pump With Electric Heat Operation ConditionElectric Heat Operation in Cool with Electric Heat Units Compressor Lock Out Time Fan Mapping During Heat Mode Unit Operation with a WALL-STATRemoving the Front Cover Replacing the Indoor Coil Thermistor Swing OutConnecting a Remote Wall Thermostat Remote Wall Thermostat Location Capacitor Check with Capacitor Analyzer Components TestingCapacitors Capacitor ConnectionsHeating Element Heat Pump Models Testing the Heating Element Electric Shock HazardHeating Element Drain PAN ValveRefrigeration Sequence of Operation 410A Sealed System Repair Considerations Refrigeration system under high pressureEquipment Must be Capable 410A Sealed Refrigeration System RepairsEquipment Required Risk of Electric ShockMethod Of Charging / Repairs Burn HazardFreeze Hazard Undercharged Refrigerant Systems Overcharged Refrigerant SystemsRestricted Refrigerant System Check Valve Hermetic Components CheckMetering Device Capillary Tube SystemsReversing Valve DESCRIPTION/OPERATION Testing the Reversing Valve Solenoid Coil Reversing Valve in Heating ModeChecking the Reversing Valve Procedure For Changing Reversing Valve Touch Test in Heating/Cooling CycleExplosion Hazard Compressor Checks Single Phase Resistance Test Ground TestChecking Compressor Efficiency Compressor Replacement Recommended procedure for compressor replacementHigh Temperatures High Pressure Hazard Routine Maintenance Sleeve / Drain Decorative Front CoverClearances Standard Filter Cleaning Installation Instructions Control Panel Battery Change Procedure Battery type Lithium, 3 Volts, #CR2450Service and Assistance Room AIR Conditioner Unit Performance Test Data Sheet Error Codes and Alarm Status IconTroubleshooting Tips Problem Possible Cause Possible SolutionTroubleshooting Tips Cooling only Room AIR Conditioners Troubleshooting Tips Problem Possible Cause Possible SolutionReplace fuse, reset breaker. If repeats, check Possible Cause Possible Solution Problem Possible Cause Possible Solution Heat / Cool only Room AIR Conditioners Troubleshooting Tips Bad outdoor coil thermistor Replace thermistorHeat Pump Room AIR Conditioners Trouble Shooting Tips Troubleshooting Chart Heat PumpProblem Possible Cause Action Heat Pump Electrical Troubleshooting Chart Heat PumpSystem Cools When Heating is Desired YESNormal Function of Valve Malfunction of ValveElectronic Control Board Components Identification DischargeRemote Wall Thermostat Wiring Diagrams Cool W/O Electric HeatSchematic Kuhl Electronic Control Cool only ModelsSL28M30A, SL36M30A KUHL+ Electronic Control Cool with Electric Heat Models ES12M33A, ES15M33A EM18M34A, EM24M34AKUHL+ Electronic Control Cool with Electric Heat Model EL36M35AKUHL+ Electronic Control Heat Pump only Model YS10M10AHeat KUHL+ Electronic Control Heat Pump with Electric Heat Model YL24M35ATHERMISTORS’ Resistance Values This Table Applies to All ThermistorsReplacement Remote Control Configuration Instructions Checking the Remote Control’s OPT # Code Replacement Instructions Aham PUB. NO. RAC-1 Cooling Load Estimate Form Heat Gain from Quantity FactorsDAY Following is an example using the heat load form Heat Load FormHeating Load Form Friedrich Room Unit Heat Pumps Windows & Doors Area, sq. ftInfiltration Windows & Doors AVG Room AIR Conditioners Limited Warranty Technical Support Contact Information Friedrich AIR Conditioning CO
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R-410A specifications

Friedrich R-410A is an advanced refrigerant widely used in HVAC (Heating, Ventilation, and Air Conditioning) systems, known for its high efficiency and environmental friendliness. As a hydrofluorocarbon (HFC) blend, R-410A has become the preferred alternative to R-22, which is being phased out due to its ozone-depleting potential. One of the main features of R-410A is its high latent heat of vaporization, which allows for efficient heat transfer and improved cooling performance in air conditioning units.

Technologically, R-410A operates at higher pressures than older refrigerants, meaning systems designed for R-410A need to be built with more robust components to safely handle these pressures. This results in a more compact system design that offers enhanced performance and reliability. The dual-component nature of R-410A—composed of difluoromethane (R-32) and pentafluoroethane (R-125)—provides an optimal balance of thermodynamic properties, leading to superior energy efficiency, especially in variable speed applications.

In terms of characteristics, R-410A has a higher cooling capacity, which enables HVAC systems to effectively cool larger spaces or run more efficiently when cooling smaller areas. The refrigerant is non-toxic and non-flammable, which enhances safety during its use. In addition, R-410A has a lower global warming potential relative to other refrigerants, making it a more environmentally responsible choice for modern cooling systems.

Moreover, R-410A systems typically require less refrigerant charge due to their efficiency, contributing to reduced greenhouse gas emissions. The adoption of R-410A aligns with regulatory trends aimed at minimizing the environmental impact of refrigerants in cooling applications.

Overall, the Friedrich R-410A refrigerant embodies a combination of technology and environmental stewardship, making it a cornerstone of contemporary HVAC design. Its ability to provide effective and energy-efficient cooling solutions while being compliant with modern environmental regulations positions R-410A as the refrigerant of choice for engineers and installers focused on sustainability and performance in air conditioning systems.
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