Friedrich SS12N10*, SS14N10*, SS15N30*, SS10N10*, SM18N30* service manual Troubleshooting Tips

Page 61

TROUBLESHOOTING TIPS (Continued)

Problem

Possible Cause

Possible Solution

 

The outside temperature is below

Do not try to operate your air conditioner in the

 

cooling mode when the outside temperature

 

60° F (16° C).

is below 60° F (16° C). The unit will not cool

 

 

properly, and the unit may be damaged.

 

 

Since the fan does not circulate the room

 

The digital control is set to fan

air continuously at this setting, the room air

 

does not mix as well and hot (or cold) spots

 

cycling mode.

 

may result. Using the continuous fan setting

 

 

Unit Does Not Cool/Heat

 

is recommended to obtain optimum comfort

 

 

levels.

On And Off Too Frequently

 

Check the cooling capacity of your unit to

(continued).

cooling capacity to match the heat

ensure it is properly sized for the room in which

 

it is installed. Room air conditioners are not

 

gain of the room.

 

designed to cool multiple rooms.

 

 

 

 

Check the heating capacity of your unit. Air

 

 

conditioners are sized to meet the cooling load,

 

heating capacity to match the heat

and heater size is then selected to meet the

 

heating load. In extreme northern climates,

 

loss of the room.

 

room air conditioners may not be able to be

 

 

 

 

used as a primary source of heat.

 

This may be due to an excessive

If there are heat producing appliances in use

 

in the room, or if the room is heavily occupied,

 

heat load in the room.

the unit will need to run longer to remove the

 

 

additional heat.

 

It may also be due to an improperly

Be sure to use exhaust vent fans while cooking

 

or bathing and, if possible, try not to use heat

 

sized unit.

producing appliances during the hottest part of

 

 

the day.

 

 

your new air conditioner may result in the

Unit Runs Too Much.

This may be normal for higher

unit running longer than you feel it should.

 

 

This may be more apparent, if it replaced an

 

 

compared to older models.

 

You may notice that the discharge

 

 

air temperature of your new air

 

 

conditioner may not seem as cold

capacity rating (Btu/h) listed on the unit’s rating

 

as you may be accustomed to from

 

older units. This does not, however,

 

 

indicate a reduction in the cooling

 

 

capacity of the unit.

 

60

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Contents Heat Pump Cool OnlyTable Of Contents Your safety and the safety of others are very important Important Safety InformationRefrigeration System Repair Hazards Property Damage Hazards Components Identification IntroductionModel and Serial Number Location Unit Identification Refrigeration System Performance Data SpecificationsUnit placement Keep the filter cleanProper installation of seal gasket Provide good air flowElectric Shock Hazard Electrical DataFire Hazard Electrical Shock Hazard FriedrichLink Adapter Kuhl Control OptionsControl Panel and Display Identification Control Panel Operation Instructions ºF ºC Select Timer Schedule ButtonAlerts DIM FunctionControl Panel Lock External Control StatusTimer or Schedule Options 1 or 2 Selection To Turn On the Timer or Schedule SelectedTimer Settings Timer Start TimeTimer on Scenarios Set theTimer Stop TimeTimer Schedule Control Block Timer OFF ScenariosRemote Control Operation Remote Control Operation Front Panel Unit OperationCompressor Operation Electronic Control Sequence of OperationHeat Control Heat Pump Only Heating Mode Control OperationCondition Heat Pump With Electric Heat OperationElectric Heat Operation in Cool with Electric Heat Units Compressor Lock Out Time Mode UsingRemoving the Front Cover Swing Out Replacing the Indoor Coil ThermistorFresh air and exhaust control Air flow direction adjustmentCapacitor Check with Capacitor Analyzer Components TestingCapacitor Connections FAN MotorHeating Element Testing the Heating Element Electric Shock HazardHeating Element Heat Pump Models Drain PAN ValveUser Interface Control Board Refrigeration Sequence of Operation Refrigeration system under high pressure 410A Sealed System Repair ConsiderationsRefrigerant Charging 410A Sealed Refrigeration System RepairsBurn Hazard Method Of Charging / RepairsFreeze Hazard Overcharged Refrigerant Systems Undercharged Refrigerant SystemsRestricted Refrigerant System Capillary Tube Systems Hermetic Components CheckReversing Valve DESCRIPTION/OPERATION Reversing Valve in Heating Mode Testing the Reversing Valve Solenoid CoilTouch Test in Heating/Cooling Cycle Procedure For Changing Reversing ValveExplosion Hazard Single Phase Running and L.R.A. Test Single Phase ConnectionsLocked Rotor Voltage L.R.V. Test Determine L.R.VGround Test Single Phase Resistance TestChecking Compressor Efficiency High Temperatures Recommended procedure for compressor replacementHigh Pressure Hazard Routine Maintenance Decorative Front Cover Sleeve / DrainClearances Filter assembly Condensation is normal Heat pumps operate differentlyFrosting NoisesOur specialists are able to assist you with If you require further assistanceDC-2 Drain Kit Part No Carbon Filter KitsSee codes chart on next Error Codes and Alarm Status Test Mode Temp HOW is ALL of the INSTALLATION? Good BAD Room AIR Conditioner Unit Performance Test Data SheetJOB Name Techs Name = SQ/CU/FTProblem Possible Cause Possible Solution Troubleshooting TipsTroubleshooting Tips Cooling only Room AIR Conditioners Troubleshooting Tips Replace fuse, reset breaker. If repeats, check Possible Cause Possible Solution Problem Possible Cause Possible Solution Heat / Cool only Room AIR Conditioners Troubleshooting Tips Problem Possible Cause Action Heat Pump Room AIR Conditioners Trouble Shooting TipsYES System Cools When Heating is DesiredMalfunction of Valve Normal Function of ValveElectronic Control Board Components Identification Procedure ContentsFriedrich Electronic Control KIT Friedrich Model Prefix Schematic Part NO. REV 92170013 Kϋhl Electronic Control Cool only Models SL36N30-A Wiring Diagram Wiring Diagram 92170015 92170016 Kϋhl Electronic Control Heat Pump model YL24N35-A Air Conditioner Message Remote Control Message Need to Configure it. Follow the steps below to configureAir Conditioning Unit Display Remote Control Display Replacement Instructions Parts Section Parts Section Kühl & Kühl+ Small-Chassis 2012 Parts List SHROUD, SML Kühl & Kühl+ Medium-Chassis 2012 Parts List SHROUD, MED Kühl & Kühl+ Large-Chassis 2012 Parts List Deck LRG Schedule Table with Energy Saving Values AddendumRoom AIR Conditioners Limited Warranty Customer Satisfaction and Quality Assurance AAA Refrigeration ServiceFriedrich AIR Conditioning CO

SM18N30*, SS10N10*, SS15N30*, SS12N10*, SS14N10* specifications

Friedrich air conditioners, particularly models SS14N10*, SS12N10*, SS15N30*, SS10N10*, and SM18N30*, are renowned for their reliable performance, innovative technologies, and user-friendly features. Designed for both residential and commercial use, these units stand out due to their energy efficiency, advanced cooling capabilities, and versatile operation.

One of the standout features across these models is their energy efficiency. Equipped with high SEER (Seasonal Energy Efficiency Ratio) ratings, they help users save on energy costs while reducing their carbon footprint. Specifically, the SS14N10* and SS12N10* models excel in cooling efficiency, ensuring that the spaces they occupy remain comfortably cool even in the hottest conditions. This not only contributes to lower energy bills but also promotes environmental sustainability.

The cooling technologies integrated into these units include advanced inverter technology. This feature allows the compressor to adjust its speed according to the cooling demand of a room. As a result, these air conditioners maintain desired temperatures with minimal fluctuations, ensuring optimal comfort and significant energy savings. Models like SS15N30* and SM18N30* are particularly stellar in maintaining efficiency even during peak usage hours.

Moreover, these air conditioners are equipped with multi-stage filtration systems that enhance indoor air quality. The filters effectively capture dust, allergens, and other pollutants, resulting in cleaner and healthier air for occupants. This is especially important for individuals with allergies or respiratory issues.

User-friendly controls add another layer of convenience. Many models incorporate smart technology allowing users to control the units via mobile apps or home automation systems. This feature enables remote operation, scheduling, and real-time monitoring, making it easier to manage climate conditions effectively.

In terms of design, models like SS10N10* prioritize aesthetics without compromising functionality. They feature sleek, modern designs that seamlessly integrate into various decors, whether in a home or an office. Additionally, quiet operation technology reduces noise levels during functionality, enhancing comfort, particularly in bedrooms or quiet office environments.

Overall, Friedrich’s SS14N10*, SS12N10*, SS15N30*, SS10N10*, and SM18N30* models embody the brand's commitment to innovation and customer satisfaction. Their blend of energy efficiency, advanced cooling technology, air quality enhancement, and smart controls positions them as leaders in the air conditioning market, catering to diverse cooling needs while promoting a sustainable future.
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