GENERAL MAINTENANCE METHOD
Figure 1-1. Air Conditioner. - TM-9-4120-404-140016
CHAPTER 1 INTRODUCTION - TM-9-4120-404-140017
EQUIPMENT CHARACTERISTICS, CAPABILITIES, AND FEATURES.
LOCATION AND DESCRIPTION OF MAJOR COMPONENTS - TM-9-4120-404-140019
LOCATION AND DESCRIPTION OF MAJOR COMPONENTS, (Continued) - TM-9-4120-404-140020
LOCATION AND DESCRIPTION OF MAJOR COMPONENTS, (Continued) - TM-9-4120-404-140021
Figure 1-2. Location of Major Components. (Sheet 1 of 2).
Figure 1-2. Location of Major Components. (Sheet 2 of 2).
Table 1-1. Equipment Data.
Section III. PRINCIPLES OF OPERATION - TM-9-4120-404-140025
REFRIGERATION CYCLE. - Continued.
LOGIC BOX ASSEMBLY AND MOTOR CONTROLLER ASSEMBLY
Figure 1-4. Logic Box Assembly/Motor Controller Assembly Interface Schematic.
Figure 1-5. Electrical Schematic.
Figure 1-6. Electrical Wiring Diagram.
CHAPTER 2 OPERATING INSTRUCTIONS - TM-9-4120-404-140031
Section I. DESCRIPTION AND USE OF OPERATOR'S CONTROLS AND INDICATORS - TM-9-4120-404-140032
Fault Indicator Lights.
Figure 2-1. Operator's Controls and Indicators. - TM-9-4120-404-140034
Section II. OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) - TM-9-4120-404-140035
Table 2-1. Operator Preventive Maintenance Checks and Services. - TM-9-4120-404-140036
Figure 2-2. Routing Diagram for Operator PMCS.
Table 2-1. Operator Preventive Maintenance Checks and Services. - TM-9-4120-404-140038
Table 2-1. Operator Preventive Maintenance Checks and Services. - TM-9-4120-404-140039
Section III. OPERATION UNDER USUAL CONDITIONS - TM-9-4120-404-140040
GENERAL OPERATING PROCEDURES
OPERATION IN VENT MODE - TM-9-4120-404-140042
OPERATION IN COOL MODE. - TM-9-4120-404-140043
Figure 2-3. Location of Information Plates. - TM-9-4120-404-140044
Figure 2-4. Identification of Information Plates. (Sheet 1 of 4).
Figure 2-4. Identification of Information Plates. (Sheet 2 of 4).
Figure 2-4. Identification of Information Plates. (Sheet 3 of 4).
Figure 2-4. Identification of Information Plates. (Sheet 4 of 4).
Section IV. OPERATION UNDER UNUSUAL CONDITIONS - TM-9-4120-404-140049
OPERATION in DUSTY OR SANDY CONDITIONS
OPERATION in SALT AIR OR SEA SPRAY. - TM-9-4120-404-140051
OPERATION UNDER EMERGENCY CONDITIONS. - TM-9-4120-404-140052
CHAPTER 3 UNIT MAINTENANCE INSTRUCTIONS - TM-9-4120-404-140053
CHAPTER 3 UNIT MAINTENANCE INSTRUCTIONS (CONT)
Section I. LUBRICATION INSTRUCTIONS - TM-9-4120-404-140055
SERVICE UPON RECEIPT. - TM-9-4120-404-140056
Checking Unpacked Equipment. - TM-9-4120-404-140057
INSTALLATION SITE PREPARATION. - TM-9-4120-404-140058
AIR CONDITIONER PREPARATION FOR INSTALLATION - TM-9-4120-404-140059
Figure 3-1. Installation Dimensions (Sheet 1 of 2).
Figure 3-1. Installation Dimensions (Sheet 2 of 2).
REMOTE MOUNTING OF CONTROL PANEL.
Figure 3-2. Remote Mounting of Control Panel.
INSTALLATIONS THAT REQUIRE REMOVAL OF FABRIC COVER - TM-9-4120-404-140064
ALTERNATE INPUT POWER CABLE CONNECTOR (J8) LOCATIONS
INSTALLATION INSTRUCTIONS - TM-9-4120-404-140066
INSTALLATION INSTRUCTIONS (CONT)
Table 3-1. Power Voltages for 208 VAC, 3 Phase.
OPERATIONAL CHECK.
Section IV. UNIT PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) - TM-9-4120-404-140070
Table 3-2. Unit Preventive Maintenance Checks and Services (PMCS)
Table 3-2. Unit Preventive Maintenance Checks and Services (PMCS) - CONT - TM-9-4120-404-140072
Table 3-2. Unit Preventive Maintenance Checks and Services (PMCS) - CONT - TM-9-4120-404-140073
Table 3-2. Unit Preventive Maintenance Checks and Services (PMCS) - CONT - TM-9-4120-404-140074
Table 3-2. Unit Preventive Maintenance Checks and Services (PMCS) - CONT - TM-9-4120-404-140075
Table 3-2. Unit Preventive Maintenance Checks and Services (PMCS) - CONT - TM-9-4120-404-140076
Table 3-2. Unit Preventive Maintenance Checks and Services (PMCS) - CONT - TM-9-4120-404-140077
Table 3-2. Unit Preventive Maintenance Checks and Services (PMCS) - CONT - TM-9-4120-404-140078
Table 3-2. Unit Preventive Maintenance Checks and Services (PMCS) - CONT - TM-9-4120-404-140079
Section V. UNIT TROUBLESHOOTING PROCEDURES. - TM-9-4120-404-140080
UNIT TROUBLESHOOTING TABLE - TM-9-4120-404-140081
Table 3-3. Unit Troubleshooting. - TM-9-4120-404-140082
Table 3-3. Unit Troubleshooting. - TM-9-4120-404-140083
IN COOL MODE, EVAPORATOR FAN RUNS, BUT CONDENSER FANS AND COMPRESSOR DO NOT RUN.
IN COOL MODE, EVAPORATOR FAN RUNS, BUT CONDENSER FANS AND COMPRESSOR DO NOT RUN. - CONT
COMPRESSOR STARTS NORMALLY, BUT COMPRESSOR SOON TRIPS.
REDUCED HEATING CAPACITY. - TM-9-4120-404-140087
EVAPORATOR FAN RUNS, BUT NO HEAT IN HEAT MODE.
ONE CONDENSER FAN MOTOR DOES NOT OPERATE.
EVAPORATOR FAN MOTOR DOES NOT OPERATE.
Section VI. UNIT MAINTENANCE PROCEDURES. - TM-9-4120-404-140091
Table 3-4. Wire List.
Table 3-4. Wire List (CONT)
Table 3-4. Wire List. Continued - TM-9-4120-404-140094
Table 3-4. Wire List. Continued - TM-9-4120-404-140095
FABRIC COVER. - TM-9-4120-404-140096
Figure 3-6. Fabric Cover.
ACCESS PANEL.
Figure 3-7. Access Panel.
CONDITIONED AIR LOUVER.
Figure 3-8. Conditioned Air Louver.
RETURN AIR LOUVER.
Figure 3-9. Return Air Louver.
CONDENSER EXHAUST LOUVERS.
Figure 3-10. Condenser Exhaust Louvers.
Figure 3-11. Condenser Exhaust Louvers Disassembly.
VENTILATION GUARD AND VENTILATION AIR FILTER.
Figure 3-12. Ventilation Guard and Ventilation Air Filter.
FILTER, AIR CONDITIONING. - TM-9-4120-404-140109
Figure 3-13. Filter, Air Conditioning.
CONDENSER COIL GUARD. - TM-9-4120-404-140111
INFORMATION PLATES. - TM-9-4120-404-140112
Figure 3-15. Information Plates.
METAL COVERS.
Figure 3-16. Metal Covers.
MIST ELIMINATOR. - TM-9-4120-404-140116
Figure 3-17. Mist Eliminator.
HEATING ELEMENTS (HR1 through HR6).
Installation. - TM-9-4120-404-140119
Figure 3-18. Heating Elements.
HEATER CUTOUT SWITCH (S3).
Figure 3-19. Heater Cutout Switch.
Test - TM-9-4120-404-140123
HEATER RELAY (K1).
Installation. - TM-9-4120-404-140125
Figure 3-20. Heater Relay.
CONDENSATE DRAIN ASSEMBLY. - TM-9-4120-404-140127
Figure 3-21. Condensate Drain Assembly.
EVAPORATOR FAN MOTOR.
CONDENSER FAN MOTORS.
Removal - TM-9-4120-404-140131
Figure 3-22. Condenser Fan Motors.
Installation. - TM-9-4120-404-140133
LOUVER ACTUATOR CABLES.
Figure 3-23. Louver Actuator Cables.
Adjustment - TM-9-4120-404-140136
CIRCUIT BREAKER (CB1). - TM-9-4120-404-140137
Figure 3-24. Circuit Breaker (CB1).
Test. - TM-9-4120-404-140139
LOGIC BOX ASSEMBLY (LGC).
Figure 3-25. Logic Box Assembly.
Test. - TM-9-4120-404-140142
Test Procedures. - TM-9-4120-404-140143
Test. - Continued - TM-9-4120-404-140144
Test. - Continued - TM-9-4120-404-140145
Test. - Continued - TM-9-4120-404-140146
Vent Mode Test. - TM-9-4120-404-140147
Vent Mode Test (CONT) - TM-9-4120-404-140148
Vent Mode Test (CONT) - TM-9-4120-404-140149
Cool Mode Test. - TM-9-4120-404-140150
Cool Mode Test. (CONT) - TM-9-4120-404-140151
Cool Mode Test. (CONT) - TM-9-4120-404-140152
Cool Mode Test. (CONT) - TM-9-4120-404-140153
Installation. - TM-9-4120-404-140154
MOTOR CONTROLLER (MC).
Removal. - TM-9-4120-404-140156
Figure 3-26. Motor Controller.
TRANSFORMER (T1).
Figure 3-27. Transformer.
Test.
RECTIFIER (CR1). - TM-9-4120-404-140161
Removal - TM-9-4120-404-140162
Figure 3-29. Rectifier.
CONTROL PANEL ASSEMBLY.
Test. - TM-9-4120-404-140165
Figure 3-30. Control Panel Assembly
Assembly. - TM-9-4120-404-140167
Installation. - TM-9-4120-404-140168
EMIFILTER (FL1).
Test. - TM-9-4120-404-140170
RELAY (K2).
Test. - TM-9-4120-404-140172
Figure 3-32. Relay (K2).
COIL FROST SWITCH (S2). - TM-9-4120-404-140174
Figure 3-33. Coil Frost Switch.
Test. - TM-9-4120-404-140176
TERMINAL BOARDS (TB1), (TB2), and (TB3).
Removal - TM-9-4120-404-140178
Figure 3-34. Terminal Boards (TB1), (TB2), and (TB3). (Sheet 1 of 2).
Figure 3-34. Terminal Boards (TB1), (TB2),and (TB3). (Sheet 2 of 2).
WIRING HARNESSES. - TM-9-4120-404-140181
Removal .
Installation. - TM-9-4120-404-140183
COIL (Solenoid Valve).
Installation. - TM-9-4120-404-140185
Figure 3-35. Coil (Solenoid Valve).
Section VII. PREPARATION FOR STORAGE OR SHIPMENT - TM-9-4120-404-140187
CHAPTER 4 DIRECT SUPPORT MAINTENANCE INSTRUCTIONS - TM-9-4120-404-140188
Table 4-1. Direct Support Troubleshooting.
SUCTION PRESSURE TOO LOW. - TM-9-4120-404-140190
Section III. DIRECT SUPPORT MAINTENANCE PROCEDURES - TM-9-4120-404-140191
SERVICING THE REFRIGERANT SYSTEM.
Equipment Set UP.
Refrigerant Recovery.
Testing Method. - TM-9-4120-404-140195
Evacuating the System .
Charging the System .
System Pressure Check .
Table 4-2. Pressure-Temperature Relationship of Saturated Refrigerant 22.
BRAZING / DEBRAZING PROCEDURES.
BRAZING/DEBRAZING PROCEDURES. - Continued - TM-9-4120-404-140201
Brazing - TM-9-4120-404-140202
CONDENSATE DRAIN ASSEMBLY. - TM-9-4120-404-140203
Figure 4-2. Condensate Drain Assembly.
EVAPORATOR FAN ASSEMBLY. - TM-9-4120-404-140205
Figure 4-3. Evaporator Fan Assembly.
Installation. - TM-9-4120-404-140207
EVAPORATOR FAN SCROLLS.
Figure 4-4. Evaporator Fan Scrolls.
EVAPORATOR IMPELLER FANS.
Figure 4-5. Evaporator Impeller Fans.
EVAPORATOR MOTOR.
Installation. - TM-9-4120-404-140213
EVAPORATOR MOTOR BRACKET AND CHASSIS.
Figure 4-7. Evaporator Motor Bracket and Chassis.
CONDENSER FAN SCROLLS.
Figure 4-8. Condenser Fan Scrolls.
Installation. - TM-9-4120-404-140218
CONDENSER IMPELLER FANS.
Figure 4-9. Condenser Impeller Fans,
CONDENSER FAN BRACES AND SUPPORT.
Installation. - TM-9-4120-404-140222
Figure 4-10. Condenser Fan Braces and Support.
DAMPER ACTUATOR AND VENTILATION DAMPER.
Figure 4-11. Damper Actuator and Ventilation Damper.
Installation. - TM-9-4120-404-140226
Adjustment. - TM-9-4120-404-140227
DEHYDRATOR.
Figure 4-12. Dehydrator.
SOLENOID VALVE.
Removal. - TM-9-4120-404-140231
Installation. - TM-9-4120-404-140232
DAMPER ACTUATOR CYLINDER.
Figure 4-14. Damper Actuator Cylinder.
RECEIVER. - TM-9-4120-404-140235
Figure 4-15. Receiver.
PRESSURE RELIEF VALVE. - TM-9-4120-404-140237
Figure 4-16. Pressure Relief Valve.
ACCUMULATOR. - TM-9-4120-404-140239
Figure 4-17. Accumulator.
PRESSURE SWITCHES (S5) AND (S6).
Figure 4-18. Pressure Switches (S5) and (S6).
Installation. - TM-9-4120-404-140243
SERVICE VALVES. - TM-9-4120-404-140244
Figure 4-19. Service Valves.
EXPANSION VALVE.
Removal - TM-9-4120-404-140247
Installation. - TM-9-4120-404-140248
Figure 4-20. Expansion Valve.
LIQUID SIGHT INDICATOR (SIGHT GLASS).
Figure 4-21. Liquid Sight Indicator (Sight Glass).
COMPRESSOR (B1). - TM-9-4120-404-140252
Test - TM-9-4120-404-140253
Connector J4 Replacement.
Compressor Crankcase Heater Replacement
Figure 4-22. Compressor Repair.
Compressor Remova
Figure 4-23. Compressor (B1).
Compressor Installation. - TM-9-4120-404-140259
EVAPORATOR COIL. - TM-9-4120-404-140260
Figure 4-24. Evaporator Coil.
Installation. - TM-9-4120-404-140262
CONDENSER COIL. - TM-9-4120-404-140263
Figure 4-25. Condenser Coil.
TUBING AND FITTINGS. - TM-9-4120-404-140265
SERVICE BOX.
Figure 4-26. Service Box.
LIFTING RING AND CLIPS.
Figure 4-27. Lifting Ring and Clips.
CHAPTER 5 GENERAL SUPPORT MAINTENANCE INSTRUCTIONS - TM-9-4120-404-140270
HOUSING REPAIR. - TM-9-4120-404-140271
APPENDIX A REFERENCES - TM-9-4120-404-140272
APPENDIX B MAINTENANCE ALLOCATION CHART - TM-9-4120-404-140273
EXPLANATION OF COLUMNS IN THE MAC - TM-9-4120-404-140274
EXPLANATION OF COLUMNS IN TOOL AND TEST EQUIPMENT REQUIREMENTS - TM-9-4120-404-140275
Section II. MAINTENANCE Allocation CHART - TM-9-4120-404-140276
Section II. MAINTENANCE Allocation CHART - CONT - TM-9-4120-404-140277
Section II. MAINTENANCE Allocation CHART - CONT - TM-9-4120-404-140278
Section II. MAINTENANCE Allocation CHART - CONT - TM-9-4120-404-140279
Section II. MAINTENANCE Allocation CHART - CONT - TM-9-4120-404-140280
Section II. MAINTENANCE Allocation CHART - CONT - TM-9-4120-404-140281
Section II. MAINTENANCE Allocation CHART - CONT - TM-9-4120-404-140282
Section III. SPECIAL TOOLS AND TEST EQUIPMENT REQUIREMENTS - TM-9-4120-404-140283
SECTION IV. REMARKS MAINTENANCE ALLOCATION CHART - TM-9-4120-404-140284
APPENDIX C COMPONENTS OF END ITEM (COEI) AND BASIC ISSUE ITEMS (BII) LISTS - TM-9-4120-404-140285
Section II. COMPONENTS OF END ITEM - TM-9-4120-404-140286
Section II. COMPONENTS OF END ITEM - Continued.
Section III. BASIC ISSUE ITEM - TM-9-4120-404-140288
Section III. BASIC ISSUE ITEM - TM-9-4120-404-140289
APPENDIX D ADDITIONAL AUTHORIZATION LIST (AAL) - TM-9-4120-404-140290
APPENDIX E EXPENDABLE, DURABLE, SUPPLIES AND MATERIALS ITEMS LIST (EDSML)
Section II. EXPENDABLE AND DURABLE ITEMS LIST - TM-9-4120-404-140292
Section II. EXPENDABLE AND DURABLE ITEMS LIST (CONT) - TM-9-4120-404-140293
APPENDIX F ILLUSTRATED LIST OF MANUFACTURED ITEMS - TM-9-4120-404-140294
Figure F-2. Input Power Cable.
Figure F-3. Logic Box Test Fixture (Sheet 1 of 2).
Figure F-3. Logic Box Test Fixture (Sheet 2 of 2).
Figure F-4. Insulation Sheet; Part Number 13216E6282/5.
Figure F-6. Insulation Sheet; Part Number 13216E6314-5.
Figure F-8. Insulation Sheet; Part Number 13229E6701-73.
Figure F-9. Rubber; Part Number 13229E6701-74.
Figure F-11. Flexible Foam; Part Number 13229E6701-78.
Figure F-13. Flexible Foam; Part Number 13229E6701-80.
Figure F-15. Flexible Foam; Part Number 13229E6701-82.
Figure F-17. Flexible Foam; Part Number 13229E6701-84.
Figure F-19. Flexible Foam; Part Number 13229E6701-86.
TM-9-4120-404-14 Air Conditioner Horizintal Compact 36 000 BTU/HR Multi-Power Input 208V 3 Phase 50/60/400 Hz Model MH-40-MP Manual
Figure 1-1. Air Conditioner. - TM-9-4120-404-140016
CHAPTER 1 INTRODUCTION - TM-9-4120-404-140017
EQUIPMENT CHARACTERISTICS, CAPABILITIES, AND FEATURES.
LOCATION AND DESCRIPTION OF MAJOR COMPONENTS - TM-9-4120-404-140019
LOCATION AND DESCRIPTION OF MAJOR COMPONENTS, (Continued) - TM-9-4120-404-140020
LOCATION AND DESCRIPTION OF MAJOR COMPONENTS, (Continued) - TM-9-4120-404-140021
Figure 1-2. Location of Major Components. (Sheet 1 of 2).
Figure 1-2. Location of Major Components. (Sheet 2 of 2).
Table 1-1. Equipment Data.
Section III. PRINCIPLES OF OPERATION - TM-9-4120-404-140025
REFRIGERATION CYCLE. - Continued.
LOGIC BOX ASSEMBLY AND MOTOR CONTROLLER ASSEMBLY
Figure 1-4. Logic Box Assembly/Motor Controller Assembly Interface Schematic.
Figure 1-5. Electrical Schematic.
Figure 1-6. Electrical Wiring Diagram.
CHAPTER 2 OPERATING INSTRUCTIONS - TM-9-4120-404-140031
Section I. DESCRIPTION AND USE OF OPERATOR'S CONTROLS AND INDICATORS - TM-9-4120-404-140032
Fault Indicator Lights.
Figure 2-1. Operator's Controls and Indicators. - TM-9-4120-404-140034
Section II. OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) - TM-9-4120-404-140035
Table 2-1. Operator Preventive Maintenance Checks and Services. - TM-9-4120-404-140036
Figure 2-2. Routing Diagram for Operator PMCS.
Table 2-1. Operator Preventive Maintenance Checks and Services. - TM-9-4120-404-140038
Table 2-1. Operator Preventive Maintenance Checks and Services. - TM-9-4120-404-140039
Section III. OPERATION UNDER USUAL CONDITIONS - TM-9-4120-404-140040
GENERAL OPERATING PROCEDURES
OPERATION IN VENT MODE - TM-9-4120-404-140042
OPERATION IN COOL MODE. - TM-9-4120-404-140043
Figure 2-3. Location of Information Plates. - TM-9-4120-404-140044
Figure 2-4. Identification of Information Plates. (Sheet 1 of 4).
Figure 2-4. Identification of Information Plates. (Sheet 2 of 4).
Figure 2-4. Identification of Information Plates. (Sheet 3 of 4).
Figure 2-4. Identification of Information Plates. (Sheet 4 of 4).
Section IV. OPERATION UNDER UNUSUAL CONDITIONS - TM-9-4120-404-140049
OPERATION in DUSTY OR SANDY CONDITIONS
OPERATION in SALT AIR OR SEA SPRAY. - TM-9-4120-404-140051
OPERATION UNDER EMERGENCY CONDITIONS. - TM-9-4120-404-140052
CHAPTER 3 UNIT MAINTENANCE INSTRUCTIONS - TM-9-4120-404-140053
CHAPTER 3 UNIT MAINTENANCE INSTRUCTIONS (CONT)
Section I. LUBRICATION INSTRUCTIONS - TM-9-4120-404-140055
SERVICE UPON RECEIPT. - TM-9-4120-404-140056
Checking Unpacked Equipment. - TM-9-4120-404-140057
INSTALLATION SITE PREPARATION. - TM-9-4120-404-140058
AIR CONDITIONER PREPARATION FOR INSTALLATION - TM-9-4120-404-140059
Figure 3-1. Installation Dimensions (Sheet 1 of 2).
Figure 3-1. Installation Dimensions (Sheet 2 of 2).
REMOTE MOUNTING OF CONTROL PANEL.
Figure 3-2. Remote Mounting of Control Panel.
INSTALLATIONS THAT REQUIRE REMOVAL OF FABRIC COVER - TM-9-4120-404-140064
ALTERNATE INPUT POWER CABLE CONNECTOR (J8) LOCATIONS
INSTALLATION INSTRUCTIONS - TM-9-4120-404-140066
INSTALLATION INSTRUCTIONS (CONT)
Table 3-1. Power Voltages for 208 VAC, 3 Phase.
OPERATIONAL CHECK.
Section IV. UNIT PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) - TM-9-4120-404-140070
Table 3-2. Unit Preventive Maintenance Checks and Services (PMCS)
Table 3-2. Unit Preventive Maintenance Checks and Services (PMCS) - CONT - TM-9-4120-404-140072
Table 3-2. Unit Preventive Maintenance Checks and Services (PMCS) - CONT - TM-9-4120-404-140073
Table 3-2. Unit Preventive Maintenance Checks and Services (PMCS) - CONT - TM-9-4120-404-140074
Table 3-2. Unit Preventive Maintenance Checks and Services (PMCS) - CONT - TM-9-4120-404-140075
Table 3-2. Unit Preventive Maintenance Checks and Services (PMCS) - CONT - TM-9-4120-404-140076
Table 3-2. Unit Preventive Maintenance Checks and Services (PMCS) - CONT - TM-9-4120-404-140077
Table 3-2. Unit Preventive Maintenance Checks and Services (PMCS) - CONT - TM-9-4120-404-140078
Table 3-2. Unit Preventive Maintenance Checks and Services (PMCS) - CONT - TM-9-4120-404-140079
Section V. UNIT TROUBLESHOOTING PROCEDURES. - TM-9-4120-404-140080
UNIT TROUBLESHOOTING TABLE - TM-9-4120-404-140081
Table 3-3. Unit Troubleshooting. - TM-9-4120-404-140082
Table 3-3. Unit Troubleshooting. - TM-9-4120-404-140083
IN COOL MODE, EVAPORATOR FAN RUNS, BUT CONDENSER FANS AND COMPRESSOR DO NOT RUN.
IN COOL MODE, EVAPORATOR FAN RUNS, BUT CONDENSER FANS AND COMPRESSOR DO NOT RUN. - CONT
COMPRESSOR STARTS NORMALLY, BUT COMPRESSOR SOON TRIPS.
REDUCED HEATING CAPACITY. - TM-9-4120-404-140087
EVAPORATOR FAN RUNS, BUT NO HEAT IN HEAT MODE.
ONE CONDENSER FAN MOTOR DOES NOT OPERATE.
EVAPORATOR FAN MOTOR DOES NOT OPERATE.
Section VI. UNIT MAINTENANCE PROCEDURES. - TM-9-4120-404-140091
Table 3-4. Wire List.
Table 3-4. Wire List (CONT)
Table 3-4. Wire List. Continued - TM-9-4120-404-140094
Table 3-4. Wire List. Continued - TM-9-4120-404-140095
FABRIC COVER. - TM-9-4120-404-140096
Figure 3-6. Fabric Cover.
ACCESS PANEL.
Figure 3-7. Access Panel.
CONDITIONED AIR LOUVER.
Figure 3-8. Conditioned Air Louver.
RETURN AIR LOUVER.
Figure 3-9. Return Air Louver.
CONDENSER EXHAUST LOUVERS.
Figure 3-10. Condenser Exhaust Louvers.
Figure 3-11. Condenser Exhaust Louvers Disassembly.
VENTILATION GUARD AND VENTILATION AIR FILTER.
Figure 3-12. Ventilation Guard and Ventilation Air Filter.
FILTER, AIR CONDITIONING. - TM-9-4120-404-140109
Figure 3-13. Filter, Air Conditioning.
CONDENSER COIL GUARD. - TM-9-4120-404-140111
INFORMATION PLATES. - TM-9-4120-404-140112
Figure 3-15. Information Plates.
METAL COVERS.
Figure 3-16. Metal Covers.
MIST ELIMINATOR. - TM-9-4120-404-140116
Figure 3-17. Mist Eliminator.
HEATING ELEMENTS (HR1 through HR6).
Installation. - TM-9-4120-404-140119
Figure 3-18. Heating Elements.
HEATER CUTOUT SWITCH (S3).
Figure 3-19. Heater Cutout Switch.
Test - TM-9-4120-404-140123
HEATER RELAY (K1).
Installation. - TM-9-4120-404-140125
Figure 3-20. Heater Relay.
CONDENSATE DRAIN ASSEMBLY. - TM-9-4120-404-140127
Figure 3-21. Condensate Drain Assembly.
EVAPORATOR FAN MOTOR.
CONDENSER FAN MOTORS.
Removal - TM-9-4120-404-140131
Figure 3-22. Condenser Fan Motors.
Installation. - TM-9-4120-404-140133
LOUVER ACTUATOR CABLES.
Figure 3-23. Louver Actuator Cables.
Adjustment - TM-9-4120-404-140136
CIRCUIT BREAKER (CB1). - TM-9-4120-404-140137
Figure 3-24. Circuit Breaker (CB1).
Test. - TM-9-4120-404-140139
LOGIC BOX ASSEMBLY (LGC).
Figure 3-25. Logic Box Assembly.
Test. - TM-9-4120-404-140142
Test Procedures. - TM-9-4120-404-140143
Test. - Continued - TM-9-4120-404-140144
Test. - Continued - TM-9-4120-404-140145
Test. - Continued - TM-9-4120-404-140146
Vent Mode Test. - TM-9-4120-404-140147
Vent Mode Test (CONT) - TM-9-4120-404-140148
Vent Mode Test (CONT) - TM-9-4120-404-140149
Cool Mode Test. - TM-9-4120-404-140150
Cool Mode Test. (CONT) - TM-9-4120-404-140151
Cool Mode Test. (CONT) - TM-9-4120-404-140152
Cool Mode Test. (CONT) - TM-9-4120-404-140153
Installation. - TM-9-4120-404-140154
MOTOR CONTROLLER (MC).
Removal. - TM-9-4120-404-140156
Figure 3-26. Motor Controller.
TRANSFORMER (T1).
Figure 3-27. Transformer.
Test.
RECTIFIER (CR1). - TM-9-4120-404-140161
Removal - TM-9-4120-404-140162
Figure 3-29. Rectifier.
CONTROL PANEL ASSEMBLY.
Test. - TM-9-4120-404-140165
Figure 3-30. Control Panel Assembly
Assembly. - TM-9-4120-404-140167
Installation. - TM-9-4120-404-140168
EMIFILTER (FL1).
Test. - TM-9-4120-404-140170
RELAY (K2).
Test. - TM-9-4120-404-140172
Figure 3-32. Relay (K2).
COIL FROST SWITCH (S2). - TM-9-4120-404-140174
Figure 3-33. Coil Frost Switch.
Test. - TM-9-4120-404-140176
TERMINAL BOARDS (TB1), (TB2), and (TB3).
Removal - TM-9-4120-404-140178
Figure 3-34. Terminal Boards (TB1), (TB2), and (TB3). (Sheet 1 of 2).
Figure 3-34. Terminal Boards (TB1), (TB2),and (TB3). (Sheet 2 of 2).
WIRING HARNESSES. - TM-9-4120-404-140181
Removal .
Installation. - TM-9-4120-404-140183
COIL (Solenoid Valve).
Installation. - TM-9-4120-404-140185
Figure 3-35. Coil (Solenoid Valve).
Section VII. PREPARATION FOR STORAGE OR SHIPMENT - TM-9-4120-404-140187
CHAPTER 4 DIRECT SUPPORT MAINTENANCE INSTRUCTIONS - TM-9-4120-404-140188
Table 4-1. Direct Support Troubleshooting.
SUCTION PRESSURE TOO LOW. - TM-9-4120-404-140190
Section III. DIRECT SUPPORT MAINTENANCE PROCEDURES - TM-9-4120-404-140191
SERVICING THE REFRIGERANT SYSTEM.
Equipment Set UP.
Refrigerant Recovery.
Testing Method. - TM-9-4120-404-140195
Evacuating the System .
Charging the System .
System Pressure Check .
Table 4-2. Pressure-Temperature Relationship of Saturated Refrigerant 22.
BRAZING / DEBRAZING PROCEDURES.
BRAZING/DEBRAZING PROCEDURES. - Continued - TM-9-4120-404-140201
Brazing - TM-9-4120-404-140202
CONDENSATE DRAIN ASSEMBLY. - TM-9-4120-404-140203
Figure 4-2. Condensate Drain Assembly.
EVAPORATOR FAN ASSEMBLY. - TM-9-4120-404-140205
Figure 4-3. Evaporator Fan Assembly.
Installation. - TM-9-4120-404-140207
EVAPORATOR FAN SCROLLS.
Figure 4-4. Evaporator Fan Scrolls.
EVAPORATOR IMPELLER FANS.
Figure 4-5. Evaporator Impeller Fans.
EVAPORATOR MOTOR.
Installation. - TM-9-4120-404-140213
EVAPORATOR MOTOR BRACKET AND CHASSIS.
Figure 4-7. Evaporator Motor Bracket and Chassis.
CONDENSER FAN SCROLLS.
Figure 4-8. Condenser Fan Scrolls.
Installation. - TM-9-4120-404-140218
CONDENSER IMPELLER FANS.
Figure 4-9. Condenser Impeller Fans,
CONDENSER FAN BRACES AND SUPPORT.
Installation. - TM-9-4120-404-140222
Figure 4-10. Condenser Fan Braces and Support.
DAMPER ACTUATOR AND VENTILATION DAMPER.
Figure 4-11. Damper Actuator and Ventilation Damper.
Installation. - TM-9-4120-404-140226
Adjustment. - TM-9-4120-404-140227
DEHYDRATOR.
Figure 4-12. Dehydrator.
SOLENOID VALVE.
Removal. - TM-9-4120-404-140231
Installation. - TM-9-4120-404-140232
DAMPER ACTUATOR CYLINDER.
Figure 4-14. Damper Actuator Cylinder.
RECEIVER. - TM-9-4120-404-140235
Figure 4-15. Receiver.
PRESSURE RELIEF VALVE. - TM-9-4120-404-140237
Figure 4-16. Pressure Relief Valve.
ACCUMULATOR. - TM-9-4120-404-140239
Figure 4-17. Accumulator.
PRESSURE SWITCHES (S5) AND (S6).
Figure 4-18. Pressure Switches (S5) and (S6).
Installation. - TM-9-4120-404-140243
SERVICE VALVES. - TM-9-4120-404-140244
Figure 4-19. Service Valves.
EXPANSION VALVE.
Removal - TM-9-4120-404-140247
Installation. - TM-9-4120-404-140248
Figure 4-20. Expansion Valve.
LIQUID SIGHT INDICATOR (SIGHT GLASS).
Figure 4-21. Liquid Sight Indicator (Sight Glass).
COMPRESSOR (B1). - TM-9-4120-404-140252
Test - TM-9-4120-404-140253
Connector J4 Replacement.
Compressor Crankcase Heater Replacement
Figure 4-22. Compressor Repair.
Compressor Remova
Figure 4-23. Compressor (B1).
Compressor Installation. - TM-9-4120-404-140259
EVAPORATOR COIL. - TM-9-4120-404-140260
Figure 4-24. Evaporator Coil.
Installation. - TM-9-4120-404-140262
CONDENSER COIL. - TM-9-4120-404-140263
Figure 4-25. Condenser Coil.
TUBING AND FITTINGS. - TM-9-4120-404-140265
SERVICE BOX.
Figure 4-26. Service Box.
LIFTING RING AND CLIPS.
Figure 4-27. Lifting Ring and Clips.
CHAPTER 5 GENERAL SUPPORT MAINTENANCE INSTRUCTIONS - TM-9-4120-404-140270
HOUSING REPAIR. - TM-9-4120-404-140271
APPENDIX A REFERENCES - TM-9-4120-404-140272
APPENDIX B MAINTENANCE ALLOCATION CHART - TM-9-4120-404-140273
EXPLANATION OF COLUMNS IN THE MAC - TM-9-4120-404-140274
EXPLANATION OF COLUMNS IN TOOL AND TEST EQUIPMENT REQUIREMENTS - TM-9-4120-404-140275
Section II. MAINTENANCE Allocation CHART - TM-9-4120-404-140276
Section II. MAINTENANCE Allocation CHART - CONT - TM-9-4120-404-140277
Section II. MAINTENANCE Allocation CHART - CONT - TM-9-4120-404-140278
Section II. MAINTENANCE Allocation CHART - CONT - TM-9-4120-404-140279
Section II. MAINTENANCE Allocation CHART - CONT - TM-9-4120-404-140280
Section II. MAINTENANCE Allocation CHART - CONT - TM-9-4120-404-140281
Section II. MAINTENANCE Allocation CHART - CONT - TM-9-4120-404-140282
Section III. SPECIAL TOOLS AND TEST EQUIPMENT REQUIREMENTS - TM-9-4120-404-140283
SECTION IV. REMARKS MAINTENANCE ALLOCATION CHART - TM-9-4120-404-140284
APPENDIX C COMPONENTS OF END ITEM (COEI) AND BASIC ISSUE ITEMS (BII) LISTS - TM-9-4120-404-140285
Section II. COMPONENTS OF END ITEM - TM-9-4120-404-140286
Section II. COMPONENTS OF END ITEM - Continued.
Section III. BASIC ISSUE ITEM - TM-9-4120-404-140288
Section III. BASIC ISSUE ITEM - TM-9-4120-404-140289
APPENDIX D ADDITIONAL AUTHORIZATION LIST (AAL) - TM-9-4120-404-140290
APPENDIX E EXPENDABLE, DURABLE, SUPPLIES AND MATERIALS ITEMS LIST (EDSML)
Section II. EXPENDABLE AND DURABLE ITEMS LIST - TM-9-4120-404-140292
Section II. EXPENDABLE AND DURABLE ITEMS LIST (CONT) - TM-9-4120-404-140293
APPENDIX F ILLUSTRATED LIST OF MANUFACTURED ITEMS - TM-9-4120-404-140294
Figure F-2. Input Power Cable.
Figure F-3. Logic Box Test Fixture (Sheet 1 of 2).
Figure F-3. Logic Box Test Fixture (Sheet 2 of 2).
Figure F-4. Insulation Sheet; Part Number 13216E6282/5.
Figure F-6. Insulation Sheet; Part Number 13216E6314-5.
Figure F-8. Insulation Sheet; Part Number 13229E6701-73.
Figure F-9. Rubber; Part Number 13229E6701-74.
Figure F-11. Flexible Foam; Part Number 13229E6701-78.
Figure F-13. Flexible Foam; Part Number 13229E6701-80.
Figure F-15. Flexible Foam; Part Number 13229E6701-82.
Figure F-17. Flexible Foam; Part Number 13229E6701-84.
Figure F-19. Flexible Foam; Part Number 13229E6701-86.
TM-9-4120-404-14 Air Conditioner Horizintal Compact 36 000 BTU/HR Multi-Power Input 208V 3 Phase 50/60/400 Hz Model MH-40-MP Manual
