Amana AB1924PEK Series Instruction Manual Download Page 20 | Manualshive

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16023324 Rev. 0

©2004 Maytag Services

Two Way Bottom Mount

Machine Compartment Air Flow Diagram

Machine Compartment Air Flow

Condenser

Condenser Fan
Assembly

Compressor

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Summary of Contents for AB1924PEK Series

Page 1: ...but is not limited to the following Amana AB1924PEK AB2026PEK AB2225PEK AB2226PEK AB2526PEK G32026PEK G32526PEK GB1924PEK GB2225PEK GB2526PEK Service This manual is to be used by qualified appliance t...

Page 2: ...REPAIRS WARNING To avoid risk of severe personal injury or death disconnect power before working servicing on appliance to avoid electrical shock To locate an authorized servicer please consult your t...

Page 3: ...Freezer Drawer 29 Refrigerator Compartment Light Bulb 29 Light Bulb Assembly 29 Light Bulb Sockets 30 PC Control Board 30 Light Switch 30 Temp Assure Damper control 30 Fresh Food Thermistor 30 Water...

Page 4: ...rom 25 C to 32 C Saturated gas is drawn off through suction line where superheated gas enters compressor To raise temperature of gas suction line is placed in heat exchange with capillary Temperature...

Page 5: ...est 1 Disconnect power to refrigerator 2 Discharge capacitor if present by shorting terminals through a resistor 3 Remove compressor leads and use an ohmmeter set on highest scale 4 Touch one lead to...

Page 6: ...enser It is very important that adequate air flow over condenser is maintained Condenser is air cooled by condenser fan motor If efficiency of heat transfer from condenser to surrounding air is impair...

Page 7: ...terminal 2 1 Disconnect power to the refrigerator 2 Remove relay cover and disconnect leads 3 Check resistance across terminals 2 and 3 with an ohmmeter Normal 3 to 12 ohms Shorted 0 ohms Open infini...

Page 8: ...NO terminals Closed Drier Drier is placed at post condenser loop outlet and passes liquefied refrigerant to capillary Desiccant 20 8 x 12 4AXH 7 M S Grams Drier must be changed every time the system...

Page 9: ...ttmeter 2 Turn into defrost mode Wattmeter should read specified watts according to Technical Data Sheet 3 When defrost thermostat reaches specified temperature 15 C see Technical Data Sheet thermosta...

Page 10: ...HFC134a and ester oil system Equipment must be exclusively used for HFC134a Exclusive use of equipment only applies to italic items Evacuation pump Check with vacuum pump supplier to verify equipment...

Page 11: ...mpressor Run lead on test cord attaches to M terminal on compressor Service Procedures C R S Fuses Capacitor Compressor Switch To AC supply Attaching Capacitor for Compressor Test 5 Connect a known go...

Page 12: ...Refrigerant leaks are best detected with halide or electronic leak detectors Testing Systems Containing a Refrigerant Charge 1 Stop unit operation turn refrigerator off 2 Holding leak detector explor...

Page 13: ...n normal head pressure and wattage while low side is being pumped out Testing for Restrictions To determine if a restriction exists 1 Attach gauge and manifold between suction and discharge sides of s...

Page 14: ...and F closed open all other valves and start vacuum pump Vacuum Pump 6 cm Copper Tubing Compressor Compressor Process Tube Charging Hose Thermistor Vacuum Gauge Low Side Gauge E Valve B D Valve High...

Page 15: ...ess tube 5 Start compressor and draw remaining refrigerant from charging hoses and manifold into compressor through compressor process tube 6 To check high side pinch off drier process tube Close valv...

Page 16: ...e Procedures HFC134a Service Information HFC134a is alternative refrigerant for CFC12 HFC134a has an ozone depletion potential ODP factor of 0 0 and a global warming potential GWP factor of 0 27 HFC13...

Page 17: ...rate minimum of 20 minutes after thermocouples are installed Turn control to colder to obtain required on time Wattage reading must be recorded in conjunction with temperature test to confirm proper o...

Page 18: ...efrigerant Flow Bottom Mount Refrigerant Flow Diagram EVAPORATOR COMPRESSOR DISCHARGE TUBE CONDENSER CAPILLARY TUBE SUCTION TUBE DRYER PRO CESS TUBE POST CONDENSER TUBE Note Capillary Tube and Suction...

Page 19: ...Flow Diagram CRISPER AIR SUPPLY PORT EVAPORATOR FAN ASSEMBLY EVAPORATOR EVAPORATOR COVER FREEZER RETURN AIR THOUGH LOUVERS AT BOTTOM OF EVAPORATOR COVER FREEZER AIR SUPPLY GRILLE REFRIGERATOR RETURN A...

Page 20: ...20 16023324 Rev 0 2004 Maytag Services Two Way Bottom Mount Machine Compartment Air Flow Diagram Machine Compartment Air Flow Condenser Condenser Fan Assembly Compressor...

Page 21: ...2004 Maytag Services 16023324 Rev 0 21 One Way Bottom Mount Machine Compartment Air Flow Diagram Machine Compartment Air Flow...

Page 22: ...ezer door top Freezer door bottom CLASSIFICATION OF CONDENSATION 1 Haze or fog 2 Beading 3 Beads or small drops 4 Drops running together No sweat on side when compressor is running Conditions after 4...

Page 23: ...tion Overloading of shelves Consumer education Warm or hot foods placed in cabinet Consumer education Cold control set too warm Set control to colder setting Poor door seal Level cabinet Adjust hinges...

Page 24: ...ystem Refrigerant overcharge Check for overcharge Evacuate and recharge system Unit runs continuously Air in system Check for low side leak Repair evacuate and recharge system Unit runs continuously T...

Page 25: ...r for continuity If open replace overload NOTE Ensure overload compressor are below trip temperature before testing Faulty compressor motor capacitor some compressors do not require motor capacitor Ch...

Page 26: ...st system the refrigerant will flood out and cause the suction line to frost or sweat The cause of this problem should be corrected rather than to purge refrigerant from the sytem Running the freezer...

Page 27: ...ge the system replace the drier filter evacuate and recharge with the specified refrigerant charge If the unit performs normally three possibilities exist 1 refrigerant loss 2 partially restricted dri...

Page 28: ...he ambient temperature raises Refrigerators installed in ambient temperatures lower than 60 F will not perform as well because the pressures within the system are generally reduced and unbalanced This...

Page 29: ...ims b Remove toe grille by pulling it directly away from unit and pop plastic cover off bottom door hinge Grille and cover are fragile keep both parts safe from harm c Remove bottom hinge pin and all...

Page 30: ...Mid Level Electronic Model Light Switch 1 After following procedure on removing light bulb assembly 2 Disconnect wires from light switch 3 Squeeze tab to release light switch from light assembly 4 Re...

Page 31: ...eased 5 Remove light bulb 6 Squeeze tab holding light housing in place to release housing and remove 7 Disconnect wires to socket 8 Squeeze tab on back side of housing to release socket Light Switch 1...

Page 32: ...t of plastic clips that hold it to back wall of unit Then roll bottom of evaporator forward and up exposing evaporator heater in its location amid fins at bottom of evaporator 6 Taking care to notice...

Page 33: ...aight away from unit 2 Raise front of refrigerator at least 101 6mm off the deck and block it up 3 Unscrew leveling bolt until wheel is free of leveling bolt 4 Tip wheel assembly down until wheel asse...

Page 34: ...ad screws on bottom of cabinet 5 Carefully lower basepan taking care not to kink tubing to compresser or condenser 6 Remove hex screws holding condenser fan shroud to basepan 7 Lift shroud up and out...

Page 35: ...ram Code the control will not save the new code but will flash the old code and this will be displayed The unit will NOT run with a Program Code of 00 8 Once the Program Code has been saved the Progra...

Page 36: ...the display will return to a normal operating display with set point values 4 Freezer Refrigerator 4 8 Close the Refrigerator door s You are in the defrost mode Note Forced Defrost mode can be exited...

Page 37: ...roper defrost function You can observe defrost heat and voltages while the test is activated 1 Freezer Refrigerator O DEFROST THERMOSTAT OPEN 1 Freezer Refrigerator S DEFROST THERMOSTAT SHORTED CLOSED...

Page 38: ...hort result for a test on the Fresh Food Thermistor circuit as show below The test is activated and de activated via the Refrigerator Up key and must be de activated to move to another test selection...

Page 39: ...Service Test 7 FF Performance Adjustment This test will allow adjustment of the control performance points Each step will incrementally change the Refrigerator performance warmer towards 1 or colder...

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