Amana CKF48 Service Manual

RS6100004 Rev. 2May 2007ServiceInstructionsSplit System Air Conditioners andSplit System Heat Pumpswith R-22 RefrigerantBlowers, Coils, & Accessor

ACCESSORIES10 Model DescriptionCPKF24 CPKF36 CPKF42 CPKF48 CPKF60 CPKF61AFE18-60A All Fuel KitxxxxxxOT18-60A Outdoor Thermost

11ACCESSORIES SUCTION LINE BULB 1/4 FLARE CONNECTION EXPANSION VALVE EVAPORATOR COIL REMOVE BEFORE INSTALLING EXPANSION VALVESEAL SUPPLIED W/ KITSEA

ACCESSORIES12FSK01AFREEZE THERMOSTATKITT2 T1L2L1BLACK 1THERMOSTATWIRESHORT CYCLEPROTECTORYELLOW 1BLACK 1Y1Y2R1R2YCUNITTERMINALBOARDCONTACTORASC01AANTI

13ACCESSORIESELECTRIC HEAT KIT APPLICATIONSCOIL ACCESSORIESHKR SERIES ELECTRIC HEAT KITSCOIL MODEL TX2N2 TXV KIT TX3N2 TXV KIT TX5N2 TXV KIT FSK01A F

PRODUCT DESIGN14This section gives a basic description of cooling unit opera-tion, its various components and their basic operation.Ensure your system

SYSTEM OPERATION15COOLINGThe refrigerant used in the system is R-22. It is a clear,colorless, non-toxic, non-irritating, and non-explosive liquid.The

SYSTEM OPERATION16COOLING CYCLEHEATING CYCLEIndoorCoilAccumulatorBi-FlowFilter DryerOutdoorCoilThermostaticExpansionValveCheck ValveReversing Valve(De

SYSTEM OPERATION17RESTRICTOR ORIFICE ASSEMBLYIN COOLING OPERATIONRESTRICTOR ORIFICE ASSEMBLYIN HEATING OPERATIONIn the cooling mode, the orifice is pu

SYSTEM OPERATION18IndoorCoilOutdoorCoilThermostaticExpansionValveCOOLING CYCLE - CONDENSING UNITIn the cooling mode, the orifice is pushed into itssea

SYSTEM OPERATION19AFE18-60A CONTROL BOARDDESCRIPTIONThe AFE18 control is designed for use in heat pump applica-tions where the indoor coil is located

IMPORTANT INFORMATIONPride and workmanship go into every product to provide our customers with quality products. It is possible, however,that during

20TROUBLESHOOTING CHARTComplaintSystem Operating PressuresPOSSIBLE CAUSEDOTS IN ANALYSISGUIDE INDICATE"POSSIBLE CAUSE"SYMPTOMSystem will not

SERVICING21TABLE OF CONTENTSHIGH VOLTAGE!DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THISUNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILUR

SERVICING22S-1 CHECKING VOLTAGE1. Remove outer case, control panel cover, etc., from unitbeing tested.With power ON:WARNINGLine Voltage now present.2.

SERVICING234. Check the continuity of the thermostat and wiring. Repairor replace as necessary.Resistance Heaters1. Set room thermostat to a higher s

SERVICING24S-4 CHECKING TRANSFORMERAND CONTROL CIRCUITA step-down transformer (208/240 volt primary to 24 volt sec-ondary) is provided with each indoo

SERVICING25S-7 CHECKING CONTACTOR AND/OR RELAYSWARNINGHIGH VOLTAGE!Disconnect ALL power before servicing or installing.Multiple power sources may be p

SERVICING26S-10 COPELAND COMFORT ALERT™DIAGNOSTICSApplies to ASC13 & ASH13Comfort Alert™ is self-contained with no required externalsensors and is

SERVICING27Status LED Status LED Description Status LED Troubleshooting InformationGreen “POWER” Module has power Supply voltage is present at module

SERVICING28If it cuts-out at 610 PSIG ± 10 PSIG, it is operating normally(See causes for high head pressure in Service ProblemAnalysis Guide). If it

SERVICING29relay holding coil is wired parallel with the start winding. Asthe motor starts and comes up to speed, the increase involtage across the s

3The successful development of hermetically sealed refrigera-tion compressors has completely sealed the compressor'smoving parts and electric mot

SERVICING301. Remove the motor leads from its respective connectionpoints and capacitor (if applicable).2. Check the continuity between each of the mo

SERVICING31- Connectors are oriented "down" (or as recommended by equipment manufacturer).- Arrange harnesses with "drip loop" und

SERVICING32CHART CONTINUED FROM PREVIOUS PAGE- Connectors are oriented "down" (or as recommended by equipment manufacturer).- Arrange harnes

SERVICING33S-16C CHECKING ECM MOTOR WINDINGS1. Disconnect the 5-pin and the 16-pin connectors from theECM power head.2. Remove the 2 screws securing t

SERVICING34Model Switch 5 Switch 6 CFMOFFOFF1,200ONOFF1,000OFFON800ONON600OFFOFF1,600ONOFF1,400OFFON1,200ONON1,000OFFOFF1,600ONOFF1,400OFFON1,200ONON1

SERVICING35S-17 CHECKING COMPRESSORWARNINGHermetic compressor electrical terminal venting canbe dangerous. When insulating material whichsupports a he

SERVICING36HI-POTCOMPRESSOR GROUND TEST3. If a ground is indicated, then carefully remove the com-pressor terminal protective cover and inspect for lo

SERVICING37If the valve fails to change its position, test the voltage (24V)at the valve coil terminals, while the system is on theCOOLING cycle.If no

SERVICING38AR*F & MBRWITH SINGLE STAGE HEAT PUMPS3.0 Cooling OperationOn heat pump units, when the room thermostat set to thecooling mode, 24Vac i

SERVICING395.5 When the temperature of the outdoor coil rises highenough to causes the defrost thermostat to open, thedefrost cycle will be terminated

PRODUCT IDENTIFICATION4C PKF 036 2 AElectrical SupplyUnit TypeE: Commercial Air ConditionerK: Air ConditionerP: Heat PumpProduct CategoryC: Split Syst

SERVICING40On heat pump units, when the room thermostat is set to thecooling mode, 24Vac is supplied to terminal “O” of the VSTBinside the MBE unit.

SERVICING415.4 When a defrost cycle is initiated, the contacts of theHVDR relay on the defrost board open and turns off theoutdoor fan. The contacts

SERVICING42S-61A CHECKING HEATER LIMIT CONTROL(S)Each individual heater element is protected with a limitcontrol device connected in series with each

SERVICING43Pressure test the system using dry nitrogen and soapywater to locate leaks. If you wish to use a leak detector,charge the system to 10 psi

SERVICING44S-103 CHARGINGWARNINGREFRIGERANT UNDER PRESSURE!* Do not overcharge system with refrigerant.* Do not operate unit in a vacuum or at negativ

SERVICING45If the test shows:a. Below normal high side pressure.b. Above normal low side pressure.c. Low temperature difference across coil.d. Low

SERVICING46CHECKING SUPERHEATRefrigerant gas is considered superheated when its tem-perature is higher than the saturation temperature correspond-ing

SERVICING47S-109 CHECKING SUBCOOLINGRefrigerant liquid is considered subcooled when its tempera-ture is lower than the saturation temperature correspo

SERVICING48S-113 OVERCHARGE OF REFRIGERANTAn overcharge of refrigerant is normally indicated by anexcessively high head pressure.An evaporator coil, u

SERVICING49S-120 REFRIGERANT PIPINGThe piping of a refrigeration system is very important inrelation to system capacity, proper oil return to compress

PRODUCT IDENTIFICATION5C KF 036 2 AElectrical SupplyUnit TypeE: Commercial Air ConditionerK: Air ConditionerP: Heat PumpProduct CategoryC: Split Syste

SERVICING50CondUnitTons Suct Liq Suct Liq Suct Liq1 1/2 5/8 1/4 3/4 3/8 3/4 3/82 5/81/43/43/83/43/82 1/2 3/4 3/8 3/4* 3/8 7/8 3/83 3/4 3/8 3/4** 3/8 7

SERVICING514. Low voltage wiring. Verify low voltage wiring size isadequate for the length used since it will be increased ina long line application.S

SERVICING52Air FlowTOTAL EXTERNAL STATICS-204 COIL STATIC PRESSURE DROP1. Using a draft gauge (inclined manometer), connect thepositive probe undernea

ACCESSORIES WIRING DIAGRAMS53HIGH VOLTAGE!DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THISUNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILU

54ACCESSORIES WIRING DIAGRAMSHIGH VOLTAGE!DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THISUNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILU

ACCESSORIES WIRING DIAGRAMS55HIGH VOLTAGE!DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THISUNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILU

56ACCESSORIES WIRING DIAGRAMSHIGH VOLTAGE!DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THISUNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILU

ACCESSORIES WIRING DIAGRAMS57HIGH VOLTAGE!DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THISUNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILU

58ACCESSORIES WIRING DIAGRAMSHIGH VOLTAGE!DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THISUNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILU

ACCESSORIES WIRING DIAGRAMS59HIGH VOLTAGE!DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THISUNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILU

PRODUCT IDENTIFICATION6C E 120 5 AElectrical SupplyUnit TypeE: Commercial Air ConditionerK: Air ConditionerP: Heat PumpProduct CategoryC: Split System

60ACCESSORIES WIRING DIAGRAMSHIGH VOLTAGE!DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THISUNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILU

PRODUCT IDENTIFICATION7AR U F 3642 1AAProduct TypeA: Single Piece Air HandlerApplicationC: Ceiling Mount PSC MotorD: Downflow PSC MotorE: Multi-Positi

PRODUCT IDENTIFICATION8CAP F 1824A6AProduct TypeC: Indoor CoilApplicationA: Upflow/Downflow CoilH: Horizontal A CoilS: Horizontal Slab CoilCabinet Fin

9ACCESSORIES*Installed on indoor coil. Model Description GSH13018 GSH13024 GSH13030 GSH13036 GSH13042 GSH13048 GSH13060AFE18-60A A