Friedrich SS10N10, SS14N10, SS12N10, SS15N30, SM18N30* service manual Part NO. REV

Page 73

Kϋhl Electronic Control

COOL ONLY Models

SL22N30-A, SL24N30-A, SL24N30-B

		C		-F-
-F-	S	R	-F-	-F-

RED

BLUE

BLACK

ELECTRONIC CONTROL

BLACK

RED

TO CAPACITOR BRACKET

BLUE

WHITE

WHITE

c

F	M
N	M
A
	R
	E
	H

BROWN

POWER SUPPLY 230/208/115VAC

BLACK

WHITE

OR YELLOW/GREEN

GREEN

FAN

MOTOR

TO CHASSIS

SCHEMATIC

	USER INTERFACE
	MAX

4F4

		HIGH
3	F3	OLP
		OLP
		MEDIUM

NEUTRAL (115 V)

L2 (230/208 V)

R

FAN MTR

2F2

LOW

1F1

S

FAN COM

CAP

L2 OR N

OLP

R

C COMPRESSOR

L1

5

COMP



S

HERM COM

CAP

L E G E N D

CAP	- CAPACITOR
COMPR - COMPRESSOR
MTR	- FAN MOTOR 
OLP	- OVERLOAD PROTECTOR
UI	- USER INTERFACE
TF	- THERMAL FUSE
HL	- HEATER LIMIT FUSE

- REVERSING VALVE

T	- THERMISTER
	- THERMISTER
	- COMBINATION TERMINAL
	- GROUNDED LEAD SYMBOL
	- INSULATOR
HTR - HEATER ELEMENT

PART NO. REV.

92170021 01

72

Image 73

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 Desired Malfunction 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