Figure 1-1. Air Conditioner - TM-9-4120-403-140008CHAPTER 1 INTRODUCTION - TM-9-4120-403-140009Section II EQUIPMENT DESCRIPTION - TM-9-4120-403-140010Figure 1-2. Location of Major Components - TM-9-4120-403-140011LOCATION AND DESCRIPTION OF MAJOR COMPONENTS - TM-9-4120-403-140012PERFORMANCE DATA - TM-9-4120-403-140013Section III TECHNICAL PRINCIPLES OF OPERATION - TM-9-4120-403-140014Figure 1-3. Refrigeration Schematic - TM-9-4120-403-140015HEATING - TM-9-4120-403-140016CHAPTER 2 OPERATING INSTRUCTIONS - TM-9-4120-403-140017Figure 2-1. Operator's Controls Front - TM-9-4120-403-140018Figure 2-2. Operator's Controls Rear - TM-9-4120-403-140019INDICATORS - TM-9-4120-403-140020Section II OPERATOR'S PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)TABLE 2-1. OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES - TM-9-4120-403-140022TABLE 2-1. OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES (Cont) - TM-9-4120-403-140023ITABLE 2-1. OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES (Cont)TABLE 2-1. OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES (Cont) - TM-9-4120-403-140025TABLE 2-1. OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES (Cont) - TM-9-4120-403-140026Section III OPERATION UNDER USUAL CONDITIONS - TM-9-4120-403-140027GENERAL OPERATING PROCEDURES - TM-9-4120-403-140028General Information - TM-9-4120-403-140029Figure 2-4. Openings and DrainsTABLE 2-2. OPERATOR CONTROL SETTINGS - TM-9-4120-403-140031Figure 2-6. Fresh Air Damper (Door) Adjustment - TM-9-4120-403-140032OPERATION IN LO HEAT MODE - TM-9-4120-403-140033Figure 2-9. Fresh Air Damper (Door) Adjustment - TM-9-4120-403-140034OPERATION IN HI HEAT MODEFigure 2-13. Louver Adjustment - TM-9-4120-403-140036OPERATION IN COOL MODE - TM-9-4120-403-140037Figure 2-17. Fresh Air Damper (Door) AdjustmentFigure 2-19. OFF Setting - TM-9-4120-403-140039Figure 2-20. Information Plates, FrontFigure 2-21. Information Plates, RearSection IV OPERATING UNDER UNUSUAL CONDITIONSOPERATION IN DUSTY OR SANDY CONDITIONS - TM-9-4120-403-140043OPERATION IN SALT AIR OR SEA SPRAYCHAPTER 3 OPERATOR'S MAINTENANCE INSTRUCTIONS - TM-9-4120-403-140045TABLE 3-1. OPERATOR'S TROUBLESHOOTINGCOMPRESSOR DOES NOT START IN COOL MODE. - TM-9-4120-403-140047 COMPRESSOR STARTS NORMALLY, BUT HIGH OR LOW PRESSURE CUT-OUT SWITCH SOON TRIPS.REDUCED COOLING CAPACITY. - TM-9-4120-403-140049REDUCED COOLING CAPACITY. (CONT) - TM-9-4120-403-140050REDUCED COOLING CAPACITY. (CONT) - TM-9-4120-403-140051 REDUCED HEATING CAPACITYCHAPTER 4 UNIT MAINTENANCE INSTRUCTIONS - TM-9-4120-403-140053Section II SERVICE UPON RECEIPT OF EQUIPMENTFigure 4-1. Unpacking - TM-9-4120-403-140055CHECKING UNPACKED EQUIPMENT - TM-9-4120-403-140056Figure 4-2. Installation Dimensions INSTALLATION SITE PREPARATIONSection III UNIT PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) - TM-9-4120-403-140059INTRODUCTION, INSPECTION, AND SERVICE - TM-9-4120-403-140060TABLE 4-1. UNIT PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) - TM-9-4120-403-140061TABLE 4-1. UNIT PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) - CONT - TM-9-4120-403-140062TABLE 4-1. UNIT PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) - CONT - TM-9-4120-403-140063TABLE 4-1. UNIT PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) - CONT - TM-9-4120-403-140064TABLE 4-1. UNIT PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) - CONT - TM-9-4120-403-140065TABLE 4-1. UNIT PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) - CONT - TM-9-4120-403-140066Section IV UNIT TROUBLESHOOTINGAIR CONDITIONER DOES NOT START IN ANY MODE. - TM-9-4120-403-140068COMPRESSOR STARTS NORMALLY, BUT CIRCUIT BREAKER SOON TRIPS.COMPRESSOR STARTS NORMALLY, BUT HIGH OR LOW PRESSURE CUT-OUT SWITCH SOON TRIPS. - TM-9-4120-403-140070REDUCED HEATING CAPACITY - TM-9-4120-403-140071NO HEAT IN EITHER HI HEAT OR LOW HEAT MODE.FAN MOTOR (B2) DOES NOT OPERATE. - TM-9-4120-403-140073Section V UNIT MAINTENANCE PROCEDURES - TM-9-4120-403-140074Figure 4-3. Fabric CoverLubrication - TM-9-4120-403-140076 NBC (NUCLEAR, BIOLOGICAL, AND CHEMICAL) DUCT COVERFigure 4-4. NBC (Nuclear, Biological, and Chemical) Duct CoverACCESS (CHARGING VALVES) COVERFigure 4-5. Access (Charging Valves) Cover CONNECTOR COVER PLATESCIRCUIT BREAKER ACCESS PLATEFigure 4-7. Circuit Breaker Access PlateTOP PANEL - TM-9-4120-403-140084Figure 4-8. Top PanelInspection - TM-9-4120-403-140086LOWER PANEL - TM-9-4120-403-140087Figure 4-9. Lower PanelRepair - TM-9-4120-403-140089FRESH AIR (INLET) SCREEN - TM-9-4120-403-140090CONDENSER AIR DISCHARGE GUARDFigure 4-11. Condenser Air Discharge GuardCONDENSER COIL GUARD - TM-9-4120-403-140093EVAPORATOR AIR DISCHARGE (OUTLET) GRILLE ASSEMBLYFigure 4-13. Evaporator Discharge (Outlet) Grille AssemblyRepair - TM-9-4120-403-140096EVAPORATOR AIR INTAKE GRILLE ASSEMBLYFigure 4-14. Evaporator Air Intake Grille AssemblyRepair - TM-9-4120-403-140099CONDITIONED AIR FILTER - TM-9-4120-403-140100Removal - TM-9-4120-403-140101MIST ELIMINATOR - TM-9-4120-403-140102Cleaning - TM-9-4120-403-140103CONDENSATE TRAPS AND DRAIN HOSECleaning - TM-9-4120-403-140105Inspection - TM-9-4120-403-140106CONTROL PANEL - TM-9-4120-403-140107Removal - TM-9-4120-403-140108 MODE SELECTOR (ROTARY) SWITCH (S)Inspection - TM-9-4120-403-140110Figure 4-21. Switch Position and Terminal LocationReplacement - TM-9-4120-403-140112TEMPERATURE CONTROL THERMOSTAT (S1) - TM-9-4120-403-140113Inspection - TM-9-4120-403-140114Replacement - TM-9-4120-403-140115TWO-SPEED FAN (TOGGLE) SWITCH (S7)Inspection - TM-9-4120-403-140117WIRING HARNESS, CONTROL PANEL - TM-9-4120-403-140118Figure 4-24. Wiring Harness, Control PanelRemoval - TM-9-4120-403-140120CONTROL PANEL HOUSING - TM-9-4120-403-140121Figure 4-25. Control Panel HousingInspection - TM-9-4120-403-140123JUNCTION BOX - TM-9-4120-403-140124Figure 4-27. Junction Box Removal/InstallationInstallation - TM-9-4120-403-140126RECTIFIER (CR)Inspection - TM-9-4120-403-140128CIRCUIT BREAKER EXTERNAL RESET CONTROL - TM-9-4120-403-140129Adjustment - TM-9-4120-403-140130 COMPRESSOR CIRCUIT BREAKER (CB)Figure 4-30. Circuit Breaker (CB)Removal - TM-9-4120-403-140133COMPRESSOR RELAY (K1)Figure 4-31. Compressor Relay (K1) HEATER RELAY (K2)Figure 4-32. Heater Relay (K2)TIME DELAY RELAY (K6) (COMPRESSOR)Figure 4-33. Time Delay Relay (K6) (Compressor)Installation - TM-9-4120-403-140140TIME DELAY RELAY (K9) (FAN MOTOR)Figure 4-34. Time Delay Relay (K9) (Fan Motor)Installation - TM-9-4120-403-140143CAPACITOR ASSEMBLY (C3)Removal - TM-9-4120-403-140145 TRANSFORMER (T)Inspection - TM-9-4120-403-140147Follow-on procedure: - TM-9-4120-403-140148 FUSES (F1 AND F2)Removal - TM-9-4120-403-140150TERMINAL BOARDS (TB1, TB2)Figure 4-38. Terminal Boards (TB 1 and TB2)JUNCTION BOX WIRING HARNESSFigure 4-39. Junction Box Wiring HarnessesFollow-on procedure: - TM-9-4120-403-140155JUNCTION BOX HOUSING AND COVER - TM-9-4120-403-140156Figure 4-40. Junction Box Housing and CoverAMBIENT AIR THERMOSTAT (S2)Figure 4-41. Ambient Air Thermostat Test Set-Up and InstallationRemoval - TM-9-4120-403-140160ELECTRICAL WIRING REPAIR GENERAL - TM-9-4120-403-140161WIRING HARNESSES - TM-9-4120-403-140162Figure 4-42. Wiring HarnessesTABLE 4-3. WIRE LIST - TM-9-4120-403-140164TABLE 4-3. WIRE LIST (Cont) - TM-9-4120-403-140165TABLE 4-3. WIRE LIST (Cont) - TM-9-4120-403-140166TABLE 4-3. WIRE LIST (Cont) - TM-9-4120-403-140167TABLE 4-3. WIRE LIST (Cont) - TM-9-4120-403-140168Figure 4-43. Wiring Diagram (Sheet 1 of 5)Figure 4-43. Wiring Diagram (Sheet 2 of 5)Figure 4-43. Wiring Diagram (Sheet 3 of 5)Figure 4-43. Wiring Diagram (Sheet 4 of 5)Figure 4-43. Wiring Diagram (Sheet 5 of 5)Figure 4-44. Electrical SchematicCOMPRESSOR MOTOR START CAPACITOR (C4)Figure 4-45. Compressor Motor Start Capacitor (C4)FAN MOTOR CAPACITOR (C1)Figure 4-46. Fan Motor Capacitor (C1)Installation - TM-9-4120-403-140179COMPRESSOR MOTOR RUN CAPACITOR (C2)Figure 4-47. Compressor Motor Run Capacitor (C2)ARMATURE RELAY (K10)Figure 4-48. Armature Relay (K10)FAN RELAY (K7) - TM-9-4120-403-140184Figure 4-49. Fan Relay (K7)HEATER CUTOUT (THERMOSTAT) SWITCH (S3)Inspection - TM-9-4120-403-140187EVAPORATOR FAN - TM-9-4120-403-140188Figure 4-51. Evaporator FanCleaning - TM-9-4120-403-140190CONDENSER FANFigure 4-52. Condenser FanEVAPORATOR AND CONDENSER FAN MOTOR (B2) - TM-9-4120-403-140193Replacement - TM-9-4120-403-140194Figure 4-53. Evaporator and Condenser Fan Motor (B2)ELECTRIC HEATER (ELEMENTS) (HR1 THRU HR6) AND SUPPORTFigure 4-55. Heater SupportInstallation - TM-9-4120-403-140198EVAPORATOR COIL (E) - TM-9-4120-403-140199Inspection - TM-9-4120-403-140200CONDENSER COIL (C) - TM-9-4120-403-140201Section VI PREPARATION FOR STORAGE OR SHIPMENT - TM-9-4120-403-140202CHAPTER 5 DIRECT SUPPORT MAINTENANCE INSTRUCTIONS - TM-9-4120-403-140203INFORMATION PLATES - TM-9-4120-403-140204Figure 5-1. Information PlatesFRESH AIR DAMPER - TM-9-4120-403-140206Figure 5-2. Fresh Air DamperReplacement - TM-9-4120-403-140208FAN RELAY (K7) - TM-9-4120-403-140209Figure 5-3. Fan Relay (K7)Replacement - TM-9-4120-403-140211EVAPORATOR AND CONDENSER FAN MOTOR (B2) - TM-9-4120-403-140212Figure 5-4. Evaporator and Condenser Fan Motor (B2)Bearing or RotorDISCHARGING THE REFRIGERANT SYSTEM - TM-9-4120-403-140215SERVICE - TM-9-4120-403-140216SERVICE (CONT) - TM-9-4120-403-140217PURGING THE REFRIGERANT SYSTEM - TM-9-4120-403-140218Figure 5-7. Nitrogen Purging ConnectionBRAZING/DEBRAZING PROCEDURES - TM-9-4120-403-140220Brazing - TM-9-4120-403-140221 LEAK TESTING THE REFRIGERANT SYSTEM - TM-9-4120-403-140222To pressurize a system that has some refrigerant charge, for either leak testing method:To pressurize a system that has been discharged and purged for leak testing with an electronic detector: - TM-9-4120-403-140224EVACUATING THE REFRIGERANT SYSTEM - TM-9-4120-403-140225Figure 5-8. Evacuating the Refrigerant System.CHARGING THE REFRIGERANT SYSTEMSERVICE - TM-9-4120-403-140228SERVICE (CONT) - TM-9-4120-403-140229Figure 5-10. Charging Valves Caps and CoverREFRIGERANT PRESSURE CHECK - TM-9-4120-403-140231REFRIGERANT PRESSURE CHECK (CONT) - TM-9-4120-403-140232REFRIGERANT PRESSURE CHECK (CONT) - TM-9-4120-403-140233Suction pressure too high. - TM-9-4120-403-140234TABLE 5-1. PRESSURE-TEMPERATURE RELATIONSHIP OF SATURATED REFRIGERANT -22TABLE 5-2. NORMAL OPERATING PRESSURES (In Full Cooling DECREASE Mode)EVAPORATOR COIL (E) - TM-9-4120-403-140237Replacement - TM-9-4120-403-140238Figure 5-12. Evaporator CoilFollow-on procedure: - TM-9-4120-403-140240EXPANSION VALVE (V5)Figure 5-13. Expansion ValveInspection - TM-9-4120-403-140243Replacement - TM-9-4120-403-140244Follow-on procedures: - TM-9-4120-403-140245QUENCH VALVE (V4)Figure 5-14. Quench Valve (V4)Inspection - TM-9-4120-403-140248Replacement - TM-9-4120-403-140249Follow-on procedures: - TM-9-4120-403-140250LOW-PRESSURE CUT-OUT SWITCH (S6)Figure 5-15. Low Pressure Cut-Out Switch (S6)Replacement - TM-9-4120-403-140253Follow-on procedures: - TM-9-4120-403-140254 HIGH-PRESSURE CUT-OUT SWITCH (S5)Figure 5-16. High Pressure Cut-Out Switch (S5)Test - TM-9-4120-403-140257Follow-on procedures: - TM-9-4120-403-140258FAN SPEED PRESSURE CONTROL SWITCH (S8)Figure 5-17. Fan Speed Pressure Control Switch (S8)Replacement - TM-9-4120-403-140261Follow-on procedures: - TM-9-4120-403-140262CHARGING VALVES (V1 AND V6)Figure 5-18. Charging Valves (V1 and V6)Replacement - TM-9-4120-403-140265CONDENSER COIL (C) - TM-9-4120-403-140266Figure 5-19. Condenser Coil (C)Follow-on procedures: - TM-9-4120-403-140268LIQUID SIGHT INDICATOR (SIGHT GLASS) (S)Figure 5-20. Liquid Sight Indicator (Sight Glass)(S)Replacement - TM-9-4120-403-140271DESICCANT REFRIGERANT DEHYDRATOR (FILTER-DRIER) (D)Figure 5-21. Desiccant Refrigerant Dehydrator (Filter Drier) (D)Follow-on procedures: - TM-9-4120-403-140274COMPRESSOR (B1) - TM-9-4120-403-140275Figure 5-22. Compressor SchematicFigure 5-23. Compressor Replaceable ItemsReplacement - TM-9-4120-403-140278Figure 5-24. Compressor (B1)Compressor - TM-9-4120-403-140280Figure 5-25. Compressor Harness Connector and harnessCleaning - TM-9-4120-403-140283TUBING AND FITTINGS - TM-9-4120-403-140284Replacement - TM-9-4120-403-140285FLUID PRESSURE REGULATING VALVE (V2)Figure 5-26. Fluid Pressure Regulating Valve (V2)Replacement - TM-9-4120-403-140288RECEIVER (R)Figure 5-27. Receiver (R)Follow-on procedures: - TM-9-4120-403-140291PRESSURE RELIEF VALVE (V3)Figure 5-28. Pressure Relief Valve (V3)SOLENOID VALVES (L1 AND L2) COIL REPLACEMENTFigure 5-29. Solenoid Valves (L1 and L2) Coil ReplacementSOLENOID VALVES (L1 AND L2) REPLACEMENTFigure 5-30. Solenoid Valves (L1 and L2) ReplacementCASING INSULATION, EVAPORATOR SECTIONFigure 5-31. Casing Insulation, Evaporator SectionRepair - TM-9-4120-403-140300CASING INSULATION, CONDENSER SECTION - TM-9-4120-403-140301Figure 5-32. Casing Insulation, Condenser SectionCHAPTER 6 GENERAL SUPPORT MAINTENANCE INSTRUCTIONS - TM-9-4120-403-140303CASING INSULATION, CONDENSER SECTION - TM-9-4120-403-140304BLIND NUTS AND RIVET PLATESNut platesAPPENDIX A REFERENCES - TM-9-4120-403-140307APPENDIX B MAINTENANCE ALLOCATION CHART - TM-9-4120-403-140308MAINTENANCE FUNCTIONS - TM-9-4120-403-140309EXPLANATION OF COLUMNS IN THE MAC, SECTION II - TM-9-4120-403-140310EXPLANATION OF COLUMNS IN TOOL AND TEST EQUIPMENT REQUIREMENTS, SECTION III - TM-9-4120-403-140311Section II MAINTENANCE ALLOCATION CHART - TM-9-4120-403-140312Section II MAINTENANCE ALLOCATION CHART (CONT) - TM-9-4120-403-140313Section II MAINTENANCE ALLOCATION CHART (CONT) - TM-9-4120-403-140314Section III TOOL AND TEST EQUIPMENT REQUIREMENTS MAINTENANCE ALLOCATION CHART - TM-9-4120-403-140315Section III TOOL AND TEST EQUIPMENT REQUIREMENTS MAINTENANCE ALLOCATION CHART (CONT)Section IV. REMARKS MAINTENANCE ALLOCATION CHART - TM-9-4120-403-140317APPENDIX C COMPONENTS OF END ITEM AND BASIC ISSUE ITEMS LISTS - TM-9-4120-403-140318Section II COMPONENTS OF END ITEMS - TM-9-4120-403-140319Section III BASIC ISSUE ITEMS - TM-9-4120-403-140320APPENDIX D ADDITIONAL AUTHORIZATION LIST - TM-9-4120-403-140321SECTION II. ADDITIONAL AUTHORIZATION LIST - TM-9-4120-403-140322APPENDIX E EXPENDABLE SUPPLIES AND MATERIALS LIST - TM-9-4120-403-140323Section II EXPENDABLE SUPPLIES AND MATERIALS LIST - TM-9-4120-403-140324Section II EXPENDABLE SUPPLIES AND MATERIALS LIST (Cont) - TM-9-4120-403-140325Section II EXPENDABLE SUPPLIES AND MATERIALS LIST (Cont) - TM-9-4120-403-140326Section II EXPENDABLE SUPPLIES AND MATERIALS LIST (Cont) - TM-9-4120-403-140327APPENDIX F ILLUSTRATED LIST OF MANUFACTURED ITEMS - TM-9-4120-403-140328Section II MANUFACTURED ITEMS PART NUMBER INDEXFigure F-1. Gasket, 13214E3551/2Figure F-2. Gasket, 13218E6977/2Figure F-3. Gasket, 13218E7076/4Figure F-4. Gasket, 13214E3384/6Figure F-5. Gasket, 13214E3384/7Figure F-6. Insulation, 13214E3384/4Figure F-7. Gasket, 13214E3384/10Figure F-8. Insulation, 13214E3384/9Figure F-9. Gasket, 13214E3384/12Figure F-10. Insulation, 13214E3384/13Figure F-11. Gasket, 13214E3384/11Figure F-12. Insulation, 13220E6562/12Figure F-13. Gasket, 13220E6562/9Figure F-14. Gasket, 13220E6562/2Figure F-15. Gasket, 13220E6562/3Figure F-16. Insulation, 13220E6562/11Figure F-17. Gasket, 13214E3477/4Figure F-18. Gasket, 13214E3477/3Figure F-19. Gasket, 13214E3477/2Figure F-20. Gasket, 13214E3477/5Figure F-21. Gasket, 13214E3478/5Figure F-22. Gasket, 13214E3478/2Figure F-23. Gasket, 13214E3478/4Figure F-24. Gasket, 13214E3478/3Figure F-25. Insulation, 13214E3762Figure F-26. Insulation, 13214E3726Figure F-27. Insulation, 13214E3814Figure F-28. Gasket, 13214E3412/2Figure F-29. Gasket, 13214E3412/3Figure F-30. Gasket, 13218E9914/9Figure F-31. Gasket, 13214E3404/8Figure F-32. Gasket, 13214E3404/6Figure F-33. Insulation, 13218E9890/256Figure F-34. Insulation, 13218E9890/220Figure F-35. Gasket, 13216E9519-2Figure F-36. Gasket, 13211E8255Figure F-37. Gasket, 13220E6695-15Figure F-38. Gasket, 13220E6695-16Figure F-39. Insulation, 13218E9890/223Figure F-40. Insulation, 13218E9890/226Figure F-41. Insulation, 13218E9890/225Figure F-42. Gasket, 4944-142Figure F-43. Gasket, 13218E9890/241Figure F-44. Insulation, 13218E9890/219Figure F-45. Insulation, 13218E9890/227Figure F-46. Insulation, 13218E9890/221Figure F-47. Insulation, 13218E9890/222Figure F-48. Insulation, 13218E9890/224Figure F-49. Insulation, 13218E9890/228TM-9-4120-403-14 Air Conditioner Vertical Compact 6 000 BTU/HR 115 Volt. Single Phase 50/60 Hertz Model JHAA/C6V1 NSN 4120-01-327-5447 Manual