Friedrich SS14N10*, SS12N10*, SS15N30*, SS10N10*, SM18N30* Problem Possible Cause Possible Solution

Page 65

COOLING ONLY ROOM AIR CONDITIONERS: TROUBLESHOOTING TIPS

Problem

Possible Cause

Possible Solution

 

Sublimation:

Ensure that foam gaskets are installed in

 

When unconditioned saturated,

between window panes & in between the

 

outside air mixes with conditioned

unit & the sleeve. Also, ensure that fresh

 

air, condensation forms on the

air/exhaust vents (on applicable models) are in

Water “spitting”

cooler surfaces

the closed position & are in tact

into room

Downward pitch of installation is

Follow installation instructions to ensure that

 

downward pitch of installed unit is no less than

 

too steep towards back of unit

 

1/4” & no more than 3/8”

 

 

 

Restricted coil or dirty filter

Clean & advise customer of periodic cleaning

 

& maintenance needs of entire unit

 

 

Problem

Possible Cause

Possible Solution

 

Insufficient air circulation thru area

Adjust louvers for best possible air circulation

 

to be air conditioned

Excessive

 

Oversized unit

Operate in “MoneySaver” position

moisture

Inadequate vapor barrier in building

Advise customer

 

 

structure, particularly floors

 

 

Problem

Possible Cause

Possible Solution

 

Defective thermistor

Replace thermistor or electronic control board

 

Unit oversized

See sizing chart. Correct as needed.

Unit

Chassis seal gasket not sealing or

Check gasket. Reposition or replace as

short cycles

absent causting unit to short cycle

needed

 

 

 

 

 

Restricted coil or dirty filter

Clean & advise customer of periodic cleaning

 

& maintenance needs of entire unit

 

 

Problem

Possible Cause

Possible Solution

 

Defective indoor ambient thermistor

Check alarms. Replace thermistor or electronic

Prolonged off

or electronic control board

control board

 

 

cycles

 

 

Defective remote wall t-stat

Replace t-stat

 

 

 

 

Problem

Possible Cause

Possible Solution

 

Evaporator drain pan cracked or

Repair, clean or replace as required

 

obstructed

 

 

 

Water in compressor area

Detach shroud from pan & coil. Clean &

Outside water

remove old sealer. Reseal, reinstall & check

 

leaks

Obstructed condenser coil

Use pressure wash or biodegradable cleaning

 

agent to clean

 

 

 

Fan blade/slinger ring improperly

Adjust fan blade to 1/2” of condenser coil fin

 

positioned

pack

64

Image 65
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 Model and Serial Number Location IntroductionComponents Identification Unit Identification Refrigeration System Performance Data SpecificationsUnit placement Keep the filter cleanProper installation of seal gasket Provide good air flowFire Hazard Electrical DataElectric Shock 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 RepairsFreeze Hazard Method Of Charging / RepairsBurn 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 CoilExplosion Hazard Procedure For Changing Reversing ValveTouch Test in Heating/Cooling Cycle Single Phase Running and L.R.A. Test Single Phase ConnectionsLocked Rotor Voltage L.R.V. Test Determine L.R.VChecking Compressor Efficiency Single Phase Resistance TestGround Test High Temperatures Recommended procedure for compressor replacementHigh Pressure Hazard Routine Maintenance Clearances Sleeve / DrainDecorative Front Cover 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 Friedrich Electronic Control KIT Friedrich Model Prefix ContentsProcedure 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.