CHAPTER 1 INTRODUCTION - TM-9-4120-385-140010Section II. EQUIPMENT DESCRIPTION AND DATA - TM-9-4120-385-140011LOCATION AND DESCRIPTION OF MAJOR COMPONENTS - TM-9-4120-385-140012Figure 12. Air Conditioner, Condenser Section.LOCATION AND DESCRIPTION OF MAJOR COMPONENTS (CONT) - TM-9-4120-385-140014Figure 1-3. Air Conditioner, Evaporator Section.Figure 1-4. Air Conditioner, Evaporator Section.EQUIPMENT DATA - TM-9-4120-385-140017EQUIPMENT DATA (CONT) - TM-9-4120-385-140018Section III. TECHNICAL PRINCIPLES OF OPERATION - TM-9-4120-385-140019HEATING - TM-9-4120-385-140020CHAPTER 3 OPERATING INSTRUCTIONS - TM-9-4120-385-140021Figure 2-2. Airflow Controls.Figure 2-3. Rear Control and Indicators.Section II. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) - TM-9-4120-385-140024Table 21. OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICESSection III. OPERATION UNDER USUAL CONDITIONS - TM-9-4120-385-140026OPERATING PROCEDURES - TM-9-4120-385-140027Figure 2-6. Cooling Operation.Figure 2-7. Low-Heat Operation.Figure 2-8. High Heat Operation.Figure 2-9. Ventilating Operation.Table 2-2. OPERATING SETTINGS - TM-9-4120-385-140032Section IV. OPERATION UNDER UNUSUAL CONDITIONS - TM-9-4120-385-140033OPERATION IN DUSTY OR SANDY AREAS - TM-9-4120-385-140034OPERATION UNDER RAINY OR HUMID CONDITIONSCHAPTER 3 OPERATOR'S MAINTENANCE INSTRUCTIONS - TM-9-4120-385-140036AIR CONDITIONER NOISY DURING OPERATION - TM-9-4120-385-140037EXCESSIVE COOLINGNO HOT AIR DISCHARGECHAPTER 4 UNIT MAINTENANCE INSTRUCTIONS - TM-9-4120-385-140040Section II. SERVICE UPON RECEIPT OF EQUIPMENTFigure 4-1. Installation Dimensions.Figure 4-2. Dimensions And Mounting Hardware Location.Figure 4-3. Input Power Cable Wiring.Figure 4-4. Lifting Using Slings.INSTALLATION CHECKPRELIMINARY CHECKS OF EQUIPMENTTable 4-1. UNIT PREVENTIVE MAINTENANCE CHECKS AND SERVICES - TM-9-4120-385-140048Table 4-1. UNIT PREVENTIVE MAINTENANCE CHECKS AND SERVICES Continued - TM-9-4120-385-140049Table 4-1. UNIT PREVENTIVE MAINTENANCE CHECKS AND SERVICES Continued - TM-9-4120-385-140050Table 4-1. UNIT PREVENTIVE MAINTENANCE CHECKS AND SERVICES Continued - TM-9-4120-385-140051Table 4-1. UNIT PREVENTIVE MAINTENANCE CHECKS AND SERVICES Continued - TM-9-4120-385-140052Table 4-1. UNIT PREVENTIVE MAINTENANCE CHECKS AND SERVICES Continued - TM-9-4120-385-140053Section IV. TROUBLESHOOTING - TM-9-4120-385-140054AIR CONDITIONER FAILS TO START IN ANY MODEEVAPORATOR/CONDENSER BLOWERS FAIL TO STARTLlTTLE OR NO HEATING IN LOW HEAT MODELITTLE OR NO ADDITIONAL HEATING IN HI HEAT MODELITTLE OR NO ADDITIONAL HEATING IN HI HEAT MODE (CONT)TEMPERATURE SELECTOR SWITCH NOT EFFECTIVEUNUSUAL NOISE OR VIBRATIONSection V. MAINTENANCE PROCEDURES - TM-9-4120-385-140062INSPECTION OF WIRING.SOLDERING CONNECTIONS.CANVAS COVER and PANELSFig. 4-5. Canvas Cover.Fig. 4-6. Top Panel.Fig. 4-7. Lower Panel.REPAIR. - TM-9-4120-385-140069FRESH AIR INLET SCREEN AND GUARDSFigure 4-8. Fresh Air Inlet Screen and Condenser Guard.CLEANING. - TM-9-4120-385-140072GRILLES/LOUVERSREPAIR. - TM-9-4120-385-140074 INFORMATION PLATESAIR FILTER - TM-9-4120-385-140076Figure 4-11. Return Air Filter.CLEANING. - TM-9-4120-385-140078MIST ELIMINATOR - TM-9-4120-385-140079FRESH AIR DAMPER. - TM-9-4120-385-140080Figure 4-13. Damper Assembly.CONDENSATE DRAIN LINESFigure 4-14. Condensate Lines.CLEANING. - TM-9-4120-385-140084CONTROL PANEL - TM-9-4120-385-140085Figure 4-16. Mode Selector Switch(s).Figure 4-17. Temperature Control Switch (S1) .Figure 4-19. Wiring Harness (Control Panel).Table 4-3. CONTROL PANEL WIRING HARNESS CONTINUITY CHECKREPAIR. - TM-9-4120-385-140090CONNECTOR, EXTERNAL POWERJUNCTION BOX - TM-9-4120-385-140092Figure 421. Junction Box.JUNCTION BOX - ContinuedFigure 4-23. Rectifier (CR).Figure 4-24. Relays (K1 and K2).Figure 4-25. Time Delay Relays (K6 and K9).Figure 4-26. Transformer (T) and Capacitor Assembly.Figure 4-27. Terminal Boards (TB1 and TB2).Figure 4-28. Wiring Harness (Junction Box).INSPECTION. - TM-9-4120-385-140101Table 45. JUNCTION BOX WIRING HARNESS CONTINUITY CHECKTable 4-6. RELAYS K1 AND K2 CONTINUITY CHECKREPAIR. - TM-9-4120-385-140104Table 4-7. CB, XF2, and E2 CONNECTIONSable 4-9. TB1 CONNECTIONSTable 4-11. JUNCTION BOX ELECTRICAL LEADS CONTINUITY CHECKCIRCUIT BREAKER RESET CONTROLINSPECTION. - TM-9-4120-385-140110RELAYS K7/K10 and CAPACITORS C2 AND C4Figure 4-30. Relay (K7).Figure 4-31. Relay (K10) and Capacitors (C2 and C4).INSPECTION. - TM-9-4120-385-140114Figure 4-32. Terminal Location, Relay (K7).Figure 4-33. Terminal Location, Relay (K10).INSTALLATION. - TM-9-4120-385-140117MAIN HARNESS AND ELECTRICAL LEADSFigure 4-34. Wiring Harness (Main).Table 4-12. MAIN WIRING HARNESS CONTINUITY CHECKTable 4-12. MAIN WIRING HARNESS CONTINUITY CHECK - ContinuedREPAIR - TM-9-4120-385-140122SPLICING OF WIRING. - TM-9-4120-385-140123SPLICING OF WIRING. - TM-9-4120-385-140124FANS (EVAPORATOR/CONDENSER)Figure 4-35. Impellers (Evaporator and Condenser).INSPECTION. - TM-9-4120-385-140127HEATER THERMOSTAT SWITCH (S3) (OVERHEAT SAFETY)Figure 4-36. Heater Thermostatic Switch (S3)Figure 4-37. Terminal Location, Heater Thermostat (S3) (Overheat Safety).Table 4-14. THERMOSTATIC SWITCH (S3) TERMINAL CONNECTIONSHEATER ASSEMBLYInspect, Test, ReplaceFigure 4-38. Heater Elements and Support.INSPECTION. - TM-9-4120-385-140134Table 4-15. HEATERS (HT1-HT6) TERMINAL CONNECTIONSFigure 4-39. Evaporator Coil.CLEANING. - TM-9-4120-385-140137SOLENOID VALVES - TM-9-4120-385-140138Figure 4-41. Solenoid Valves.Table 4-16. SOLENOID VALVE CONNECTIONSSection VI. PREPARATION FOR STORAGE OR SHIPMENT - TM-9-4120-385-140141Figure 4-42. Shipping Container.CHAPTER 5 DIRECT SUPPORT MAINTENANCE INSTRUCTIONS - TM-9-4120-385-140143TROUBLESHOOTING FOR DIRECT SUPPORT MAINTENANCECOMPRESSOR SHORT CYCLESCOMPRESSOR SHORT CYCLES (CONT)INSUFFICIENT COOLING ACTIONINSUFFICIENT COOLING ACTION (CONT)REFRIGERANT SYSTEM CONTINUOUSLY LOSING REFRIGERANT - TM-9-4120-385-140149UNIT OPERATES CONTINUOUSLY ON COOLING CYCLEAIR CONDITIONER NOISY DURING OPERATION - TM-9-4120-385-140151SECTION II. MAINTENANCE PROCEDURES - TM-9-4120-385-140152BRAZING.DEBRAZING.REPAIR OF DAMAGED MACHINED AND POLISHED SURFACES.LEAK TESTING OF REFRIGERATION SYSTEMFigure 5-1. Leak Test Refrigerant Bottle Setup.Figure 5-2. Leak Test, Nitrogen Bottle and Regulation Setup.Figure 5-2. Leak Test, Nitrogen Bottle and Regulation Setup. (CONT)PRESSURE TESTTable 5-3. NORMAL TEMPERATURE-PRESSURE RELATIONSHIPSTable 5-3. NORMAL TEMPERATURE-PRESSURE RELATIONSHIPS - CONTTable 5-5. LOW HEAD PRESSUREFigure 5-4. Releasing Refrigerant.NITROGEN PURGEPURGING PROCEDURE.EVACUATION - TM-9-4120-385-140167Table 5-7. ELEVATION CORRECTION FOR VACUUM GAUGE READINGSCAUTION - TM-9-4120-385-140169REFRIGERANT CHARGING WITH GASCHARGING PROCEDURE-SYSTEM COMPLETELY DISCHARGED.CHARGING PROCEDURE--ADD REFRIGERANT TO A PARTIALLY CHARGED SYSTEMFigure 5-8. Liquid Refrigerant Charging Setup.CHARGING PROCEDURE.MOTOR, EVAPORATOR--CONDENSER--REPAIRFigure 5-9. Evaporator Fan Motor.Table 5-8 MOTOR BURN-OUT TESTCOMPRESSOR - TM-9-4120-385-140178Figure 5-10. Burnout Purging Setup.BURNOUT CLEANUP PROCEDURESFigure 5-11. Compressor.TESTING. - TM-9-4120-385-140182Figure 5-12. Compressor Electrical Schematic Diagram.To Test Crankcase HeaterREMOVAL. - TM-9-4120-385-140185Figure 5-13. Recommended Debraze/Brazing Locations and Compressor Removal/Instllation.REPLACEMENT.EVAPORATOR COIL - TM-9-4120-385-140188TEST. - TM-9-4120-385-140189CONDENSER COIL - TM-9-4120-385-140190Figure 5-15. Condenser Coil.REPAIR. - TM-9-4120-385-140192EXPANSION (QUENCH) VALVETESTING - TM-9-4120-385-140194R E M O V A L .INSTALLATION. - TM-9-4120-385-140196EXPANSION VALVE - TM-9-4120-385-140197Figure 5-18. Low Pressure Test Setup.Table 5-9. TEMPERATURE-PRESSURE EQUIVALENTSREMOVAL. - TM-9-4120-385-140200SOLENOID VALVES - TM-9-4120-385-140201Figure 5-19. Solenoid Valves.SOLENOID VALVES (CONT)PRESSURE REGULATOR VALVE - TM-9-4120-385-140204Figure 5-20. Pressure Regulator Valve and Attaching Hardware.REMOVAL. - TM-9-4120-385-140206TESTING. - TM-9-4120-385-140207PRESSURE SWITCHES, HIGH AND LOW PRESSURE CUT-OUTTesting. - TM-9-4120-385-140209REMOVAL - TM-9-4120-385-140210PRESSURE SWITCHTESTING. - TM-9-4120-385-140212REMOVAL. - TM-9-4120-385-140213SERVICE VALVES - TM-9-4120-385-140214REMOVAL. - TM-9-4120-385-140215PRESSURE RELIEF VALVE - TM-9-4120-385-140216TESTING. - TM-9-4120-385-140217ADJUSTMENT. - TM-9-4120-385-140218Figure 5-25. Dehydrator (Filter/Drier).INSTALLATION. - TM-9-4120-385-140220RECEIVER - TM-9-4120-385-140221REMOVAL. - TM-9-4120-385-140222SIGHT GLASSFigure 5-27. Sight Glass.SIGHT GLASS (CONT)INSTALLATION. - TM-9-4120-385-140226TUBES AND FITTINGSCASINGREPAIR. - TM-9-4120-385-140229CHAPTER 6 GENERAL SUPPORT MAINTENANCE INSTRUCTIONS - TM-9-4120-385-140230INSTALLATION. - TM-9-4120-385-140231APPENDIX A REFERENCES - TM-9-4120-385-140232APPENDIX B MAINTENANCE ALLOCATION CHART - TM-9-4120-385-140233COLUMN ENTRIES USED IN THE MAC - TM-9-4120-385-140234COLUMN ENTRIES USED IN TOOL AND TEST EQUIPMENT REQUIREMENTSSection II. MAINTENANCE ALLOCATION CHART FOR AIR CONDITIONERS, (VERTICAL COMPACT)Section II. MAINTENANCE ALLOCATION CHART FOR AIR CONDITIONERS, (VERTICAL COMPACT) - Continued - TM-9-4120-385-140237Section II. MAINTENANCE ALLOCATION CHART FOR AIR CONDITIONERS, (VERTICAL COMPACT) - Continued - TM-9-4120-385-140238Section II. MAINTENANCE ALLOCATION CHART FOR AIR CONDITIONERS, (VERTICAL COMPACT) - Continued - TM-9-4120-385-140239Section IV. REMARKS - TM-9-4120-385-140240APPENDIX C COMPONENTS OF END ITEM (COEI) AND BASIC ISSUE ITEMS (BII)Section II. COMPONENTS OF END ITEM - TM-9-4120-385-140242Section II. COMPONENTS OF END ITEM ContinuedSection III. BASIC ISSUE ITEMS - TM-9-4120-385-140244APPENDIX D EXPENDABLE/DURABLE SUPPLIES AND MATERIALS LIST (EDSML)Section II. EXPENDABLE/DURABLE SUPPLIES AND MATERIALS LIST - TM-9-4120-385-140246Section II. EXPENDABLE/DURABLE SUPPLIES AND MATERIALS LIST ContinuedAPPENDIX E TORQUE LIMITS - TM-9-4120-385-140248TM-9-4120-385-14 Air Conditioner Vertical Compact 9 000 BTU/HR 115 Volt 1-Phase 50/60 Hertz Manual