TM-9-4120-401-14 Air Conditioner Horizontal Compact 18 000 BTU/HR Model F18H-MPI 208 Volt 3 Phase 50/60/400 Hz 230 Volt Single-Phase 50/60 Hertz Manual

Figure 1-1. Air Conditioner - TM-9-4120-401-140013
CHAPTER 1 INTRODUCTION - TM-9-4120-401-140014
Section II EQUIPMENT DESCRIPTION - TM-9-4120-401-140015
Figure 1-2. Location of Major Components (Sheet 1 of 2) - TM-9-4120-401-140016
Figure 1-2. Location of Major Components (Sheet 2 of 2) - TM-9-4120-401-140017
LOCATION AND DESCRIPTION OF MAJOR COMPONENTS. - TM-9-4120-401-140018
LOCATION AND DESCRIPTION OF MAJOR COMPONENTS. - continued
DIFFERENCES BETWEEN MODELS.
Section Ill TECHNICAL PRINCIPLES OF OPERATION - TM-9-4120-401-140021
Figure 1-3. Refrigeration Schematic - TM-9-4120-401-140022
REFRIGERATION CYCLE.
CHAPTER 2 OPERATING INSTRUCTIONS - TM-9-4120-401-140024
INDICATORS.
Figure 2-1. Operator's Controls and Indicators - TM-9-4120-401-140026
Section II OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) - TM-9-4120-401-140027
Table 2-1. OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES - TM-9-4120-401-140028
Table 2-1. OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES - continued - TM-9-4120-401-140029
Section Ill OPERATION UNDER USUAL CONDITIONS - TM-9-4120-401-140030
FIGURE 2-3. POWER CONNECTORS AND CIRCUIT BREAKER
TABLE 2-2. INITIAL OPERATOR CONTROL SETTINGS - TM-9-4120-401-140032
OPERATION IN VENTILATE MODE (NO HEATING OR COOLING NEEDED) - TM-9-4120-401-140033
OPERATION IN COOL MODE. - TM-9-4120-401-140034
Figure 2-6. Instruction Plates, Stencil Marking Information, and Locations
OPERATION IN EXTREME HEAT.
OPERATION IN DUSTY OR SANDY CONDITIONS. - TM-9-4120-401-140037
OPERATION IN SALT AIR OR SEA SPRAY. - TM-9-4120-401-140038
CHAPTER 3 OPERATOR'S MAINTENANCE INSTRUCTIONS - TM-9-4120-401-140039
SYMPTOM INDEX - TM-9-4120-401-140040
COMPRESSOR STARTS NORMALLY, BUT HIGH PRESSURE CUTOUT SWITCH SOON TRIPS - TM-9-4120-401-140041
REDUCED HEATING CAPACITY. - TM-9-4120-401-140042
CHAPTER 4 UNIT MAINTENANCE INSTRUCTIONS - TM-9-4120-401-140043
Section I LUBRICATION INSTRUCTIONS - TM-9-4120-401-140044
Section III SERVICE UPON RECEIPT OF EQUIPMENT - TM-9-4120-401-140045
Figure 4-1. Installation Dimensions (Sheet 1 of 3) - TM-9-4120-401-140046
Figure 4-1. Installation Dimensions (Sheet 2 of 3) - TM-9-4120-401-140047
Figure 4-1. Installation Dimensions (Sheet 3 of 3) - TM-9-4120-401-140048
SERVICE UPON RECEIPT OF MATERIAL. - TM-9-4120-401-140049
INSTALLATION INSTRUCTIONS. - TM-9-4120-401-140050
INSTALLATION INSTRUCTIONS. - continued - TM-9-4120-401-140051
INSTALLATION INSTRUCTIONS. - continued - TM-9-4120-401-140052
INSTALLATION INSTRUCTIONS. - continued - TM-9-4120-401-140053
INSTALLATION INSTRUCTIONS. - continued - TM-9-4120-401-140054
FIGURE 4-6. WIRING DIAGRAM (SHEET 1 OF 2)
Figure 4-6. Wiring Diagram (Sheet 2 of 2)
Figure 4-7. Electrical Schematic
Section IV UNIT PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) - TM-9-4120-401-140058
TABLE 4-1. Unit Preventive Maintenance Checks and Services (PMCS) Quarterly Schedule - TM-9-4120-401-140059
Unit Preventive Maintenance Checks and Services (PMCS) Quarterly Schedule - continued - TM-9-4120-401-140060
Unit Preventive Maintenance Checks and Services (PMCS) Quarterly Schedule - continued - TM-9-4120-401-140061
Unit Preventive Maintenance Checks and Services (PMCS) Quarterly Schedule - continued - TM-9-4120-401-140062
Unit Preventive Maintenance Checks and Services (PMCS) Quarterly Schedule - continued - TM-9-4120-401-140063
Unit Preventive Maintenance Checks and Services (PMCS) Quarterly Schedule - continued - TM-9-4120-401-140064
Unit Preventive Maintenance Checks and Services (PMCS) Quarterly Schedule - continued - TM-9-4120-401-140065
Section V UNIT TROUBLESHOOTING - TM-9-4120-401-140066
AIR CONDITIONER DOES NOT START IN ANY MODE. - TM-9-4120-401-140067
FANS RUN, BUT COMPRESSOR DOES NOT START.
COMPRESSOR STARTS NORMALLY, BUT HIGH PRESSURE CUTOUT SWITCH TRIPS. - TM-9-4120-401-140069
REDUCED COOLING CAPACITY. - TM-9-4120-401-140070
REDUCED HEATING CAPACITY. - TM-9-4120-401-140071
NO HEAT IN HEAT MODE. - TM-9-4120-401-140072
EVAPORATOR OR CONDENSER FAN MOTOR DOES NOT OPERATE.
Section VI UNIT MAINTENANCE PROCEDURES - TM-9-4120-401-140074
TOP PANELS. - TM-9-4120-401-140075
Figure 4-9. Top Panels
ELECTRICAL ACCESS PANEL.
Figure 4-10. Electrical Access Panel
CIRCUIT BREAKER AND PRESSURE SWITCH COVER (EMP EQUIPPED UNITS ONLY).
SIGHT GLASS COVER (EMP EQUIPPED UNITS ONLY).
Figure 4-12. Sight Glass Cover
VENTILATION COVER (EMP EQUIPPED UNITS ONLY).
VENTILATION GUARD (FRESH AIR) (NOT USED ON EMP EQUIPPED UNITS).
CONDENSER END GUARD AND EMI SCREEN.
Figure 4-15. Condenser End Guard and EMI Screen
RETURN AIR LOUVER AND AIR FILTER. - TM-9-4120-401-140086
RETURN AIR LOUVER AND AIR FILTER. - continued
SUPPLY AIR LOUVER. - TM-9-4120-401-140088
SUPPLY AIR LOUVER. - continued
MIST ELIMINATOR. - TM-9-4120-401-140090
MIST ELIMINATOR. - continued - TM-9-4120-401-140091
CONDENSER AIR DISCHARGE LOUVER AND LINKAGE. - TM-9-4120-401-140092
Figure 4-19. Condenser Air Discharge Louver and Linkage
Pivot arm and bracket assembly.
Louver assembly.
Connecting linkage assembly.
FRESH AIR DAMPER AND ACTUATOR. - TM-9-4120-401-140097
FRESH AIR DAMPER AND ACTUATOR. - continued - TM-9-4120-401-140098
CONDENSATE DRAIN. - TM-9-4120-401-140099
CONDENSATE DRAIN. - continued
ELECTRICAL WIRING REPAIR - GENERAL. - TM-9-4120-401-140101
Table 4-3. WIRE LIST - TM-9-4120-401-140102
Table 4-3. WIRE LIST - continued - TM-9-4120-401-140103
Table 4-3. WIRE LIST - continued - TM-9-4120-401-140104
Table 4-3. WIRE LIST - continued - TM-9-4120-401-140105
Table 4-3. WIRE LIST - continued - TM-9-4120-401-140106
CONTROL PANEL. - TM-9-4120-401-140107
CONTROL PANEL. - continued
WIRING HARNESS, CONTROL PANEL. - TM-9-4120-401-140109
Figure 4-23. Wiring Harness, Control Panel
Replace. - TM-9-4120-401-140111
POTENTIOMETER (TEMPERATURE CONTROL) (R1). - TM-9-4120-401-140112
Test. - TM-9-4120-401-140113
MODE SELECTOR ROTARY SWITCH (S1). - TM-9-4120-401-140114
Test. - TM-9-4120-401-140115
FAULT INDICATOR, LIGHT EMITTING DIODE (DS1, DS2, DS3, AND DS4). - TM-9-4120-401-140116
Replace. - TM-9-4120-401-140117
ELECTROMAGNETIC INTERFERENCE FILTER (FL1). - TM-9-4120-401-140118
Figure 4-27. Electromagnetic Interference Filter (FL1)
Replace. - TM-9-4120-401-140120
MOTOR CONTROLLER ASSEMBLY (MC1).
LOGIC BOX ASSEMBLY (LGC1). - TM-9-4120-401-140122
WIRING HARNESSES. - TM-9-4120-401-140123
Figure 4-30. Wiring Harnesses
TERMINAL BOARDS.
Figure 4-31. Terminal Boards
Replace. - TM-9-4120-401-140127
THERMISTOR (RT1).
Figure 4-32. Thermistor (RT1)
COIL FROST SWITCH (S2). - TM-9-4120-401-140130
Replace. - TM-9-4120-401-140131
RECTIFIER (CR4). - TM-9-4120-401-140132
Test. - TM-9-4120-401-140133
RECTIFIER (CR1) AND CAPACITORS (C1 AND C2).
Rectifier (CR1). - TM-9-4120-401-140135
Replace. - TM-9-4120-401-140136
TRANSFORMER (T1). - TM-9-4120-401-140137
Test. - TM-9-4120-401-140138
COMPRESSOR START RELAY (K2), DIODE (CR3), AND SURGE ARRESTOR (SA1). - TM-9-4120-401-140139
Compressor start relay (1).
Replace. - TM-9-4120-401-140141
HEATER RELAY (K1) AND DIODE (CR2). - TM-9-4120-401-140142
HEATER RELAY (K1) AND DIODE (CR2). - continued - TM-9-4120-401-140143
HEATER RELAY (K1) AND DIODE (CR2). - continued - TM-9-4120-401-140144
CIRCUIT BREAKER (CB1). - TM-9-4120-401-140145
Test. - TM-9-4120-401-140146
EVAPORATOR FAN, MOTOR, AND HOUSING. - TM-9-4120-401-140147
Test. - TM-9-4120-401-140148
Fan motor assembly.
HEATER THERMOSTAT (S3).
Figure 4-41. Heater Thermostat (S3)
HEATER ELEMENTS (HR1-HR6).
Figure 4-42. Heater Elements (HR1 - HR6)
H E A T E R ELEMENTS (HR1-HR6). - continued
CONDENSER FAN, MOTOR, AND HOUSING.
Figure 4-43. Condenser Fan, Motor, and Housing
Replace. - TM-9-4120-401-140157
EVAPORATOR COIL. - TM-9-4120-401-140158
SOLENOID VALVE (L1) COIL. - TM-9-4120-401-140159
Replace. - TM-9-4120-401-140160
CONDENSER COIL. - TM-9-4120-401-140161
CONDENSER COIL. - TM-9-4120-401-140162
HOUSING. - TM-9-4120-401-140163
INPUT POWER CONNECTOR (INSTALLATION).
INSTALLATION HARDWARE. - TM-9-4120-401-140165
Figure 4-47. Installation Hardware
Section Vll PREPARATION FOR STORAGE OR SHIPMENT
CHAPTER 5 D I R E C T SUPPORT MAINTENANCE INSTRUCTIONS - TM-9-4120-401-140168
Section I REPAIR PARTS, SPECIAL TOOLS, TEST, MEASUREMENT AND DIAGNOSTIC EQUIPMENT (TMDE), AND SUPPORT EQUIPMENT
SYMPTOM INDEX - TM-9-4120-401-140170
COMPRESSOR SHORT CYCLES. - TM-9-4120-401-140171
AIR CONDITIONER OPERATES CONTINUOUSLY ON COOLING CYCLE.
S e c t i o n III MAINTENANCE PROCEDURES
PANELS.
INFORMATION PLATES. - TM-9-4120-401-140175
Replace. - TM-9-4120-401-140176
FRESH AIR DAMPER AND ACTUATOR. - TM-9-4120-401-140177
Figure 5-1. Fresh Air Damper and Actuator
LOGIC BOX ASSEMBLY (LGC1). - TM-9-4120-401-140179
Figure 5-2. Logic Box Test Fixture
LOGIC BOX ASSEMBLY (LGC1). - continued - TM-9-4120-401-140181
LOGIC BOX ASSEMBLY (LGC1). - continued - TM-9-4120-401-140182
Vent mode test. - TM-9-4120-401-140183
Vent mode test (CONT) - TM-9-4120-401-140184
Cool mode test. - TM-9-4120-401-140185
Cool mode test (CONT) - TM-9-4120-401-140186
Cool mode test (CONT) - TM-9-4120-401-140187
Cool mode test (CONT) - TM-9-4120-401-140188
EVAPORATOR FAN MOTOR (B1) REPAIR..
Figure 5-3. Evaporator Fan Motor (B1)
EVAPORATOR FAN MOTOR (B1) REPAIR. - continued
CONDENSER FAN MOTOR REPAIR. - TM-9-4120-401-140192
Figure 5-4. Condenser Fan Motor (B2)
CONDENSER FAN MOTOR REPAIR. - continued]
S E R V I C E MANIFOLD INSTALLATION.
Remove.
DISCHARGING THE REFRIGERANT SYSTEM. - TM-9-4120-401-140197
Figure 5-6. Discharging Refrigerant - TM-9-4120-401-140198
PURGING THE REFRIGERANT SYSTEM. - TM-9-4120-401-140199
Figure 5-7. Nitrogen Tank Connection - TM-9-4120-401-140200
BRAZING/DEBRAZING PROCEDURES. - TM-9-4120-401-140201
BRAZING/DEBRAZING PROCEDURES. - continued - TM-9-4120-401-140202
BRAZING/DEBRAZING PROCEDURES. - continued - TM-9-4120-401-140203
FLUSHING THE REFRIGERANT SYSTEM. - TM-9-4120-401-140204
Figure 5-8. Refrigerant Flow System with Refrigerant Desiccant Dehydrator and Compressor Removed
Flush the refrigerant system with refrigerant R-114 using a diaphragm pump.
Purge. - TM-9-4120-401-140207
LEAK TESTING. - TM-9-4120-401-140208
Test. - TM-9-4120-401-140209
EVACUATING THE REFRIGERANT SYSTEM. - TM-9-4120-401-140210
Figure 5-9. Evacuation of Refrigerant System
CHARGING THE REFRIGERANT SYSTEM. - TM-9-4120-401-140212
Figure 5-10. Refrigerant Charging (Total System)
CHARGING THE REFRIGERANT SYSTEM. - continued - TM-9-4120-401-140214
Partial Charge. - TM-9-4120-401-140215
Figure 5-11. Refrigerant Charging (Partial System/Small Quantity Charge)
CHARGING THE REFRIGERANT SYSTEM. - continued - TM-9-4120-401-140217
REFRIGERATION SYSTEM TROUBLESHOOTING. - TM-9-4120-401-140218
OVERHEATING CHECKS. - TM-9-4120-401-140219
REFRIGERANT PRESSURE CHECK. - TM-9-4120-401-140220
T a b l e 5-2. PRESSURE-TEMPERATURE RELATIONSHIP OF SATURATED REFRIGERANT R-22
REFRIGERANT DESICCANT DEHYDRATOR (FILTER-DRIER).
Replace. - TM-9-4120-401-140223
EVAPORATOR COIL. - TM-9-4120-401-140224
Figure 5-13. Evaporator Coil
EXPANSION VALVE. - TM-9-4120-401-140226
Figure 5-14. Expansion Valve
SOLENOID VALVE (L1). - TM-9-4120-401-140228
SOLENOID VALVE (L1). - continued
ACTUATING CYLINDER.
HIGH PRESSURE SWITCH (S6).
T e s t . - TM-9-4120-401-140232
Replace. - TM-9-4120-401-140233
LOW PRESSURE SWITCH (S7).
Replace. - TM-9-4120-401-140235
SERVICE (CHARGING) VALVES. - TM-9-4120-401-140236
PRESSURE RELIEF VALVE. - TM-9-4120-401-140237
Replace. - TM-9-4120-401-140238
CONDENSER COIL. - TM-9-4120-401-140239
Figure 5-21. Condenser Coil
CONDENSER COIL. - continued - TM-9-4120-401-140241
LIQUID INDICATOR (SIGHT GLASS). - TM-9-4120-401-140242
COMPRESSOR. - TM-9-4120-401-140243
Repair - TM-9-4120-401-140244
Figure 5-24. Compressor Repair
Replace. - TM-9-4120-401-140246
Replace. (CONT)
RECEIVER. - TM-9-4120-401-140248
Figure 5-26. Receiver
TUBING AND FlTTINGS.
CHAPTER 6 G E N E R A L SUPPORT MAINTENANCE INSTRUCTIONS
HOUSING. - TM-9-4120-401-140252
Replace. - TM-9-4120-401-140253
APPENDIX A REFERENCES - TM-9-4120-401-140254
APPENDIX B MAINTENANCE ALLOCATION CHART - TM-9-4120-401-140255
EXPLANATION OF COLUMNS IN THE MAC, SECTION Il. - TM-9-4120-401-140256
EXPLANATION OF COLUMNS IN TOOL AND TEST EQUIPMENT REQUIREMENTS, SECTION Ill.
Section II MAINTENANCE ALLOCATION CHART - TM-9-4120-401-140258
MAINTENANCE ALLOCATION CHART - continued - TM-9-4120-401-140259
MAINTENANCE ALLOCATION CHART - continued - TM-9-4120-401-140260
MAINTENANCE ALLOCATION CHART - continued - TM-9-4120-401-140261
MAINTENANCE ALLOCATION CHART - continued - TM-9-4120-401-140262
Section Ill TOOL AND TEST EQUIPMENT REQUIREMENTS MAINTENANCE ALLOCATION CHART - TM-9-4120-401-140263
SECTION IV. REMARKS MAINTENANCE ALLOCATION CHART - TM-9-4120-401-140264
APPENDIX C COMPONENTS OF END ITEM (COEI) AND BASIC ISSUE ITEMS (Bll) LISTS
Section II COMPONENTS OF END ITEM - TM-9-4120-401-140266
APPENDIX D ADDITIONAL AUTHORIZATION LIST (AAL) - TM-9-4120-401-140267
EXPENDABLE/DURABLE SUPPLIES AND MATERIALS (EDSML) LIST
Section II EXPENDABLE SUPPLIES AND MATERIALS LIST
APPENDIX F ILLUSTRATED LIST OF MANUFACTURED ITEMS - TM-9-4120-401-140270
Figure F-1. Gasket, EMI, Part Number 13229E4198/2
Figure F-4. Gasket, EMI, Part Number 13229E4199/4
Figure F-7. Foam, Flexible (Insulation), Part Number 13229E4199/7
Figure F-10. Rubber, Cellular (Gasket), Part Number 13229E4230/3
Figure F-13. Rubber, Cellular (Gasket), Part Number 13229E4230/6
Figure F-16. Rubber, Cellular (Gasket), Part Number 13229E4200/250
Figure F-19. Rubber, Cellular (Gasket) Part Number 13229E4210/3
Figure F-22. Rubber, Cellular (Gasket), Part Number 13229E4210/9
Figure F-24. Foam, Flexible (Insulation), Part Number 13229E4208/2
Figure F-26. Foam, Flexible (Insulation)
Figure F-28. Foam, Flexible (Insulation), Part Number 13229E4201/58
Figure F-30. Foam, Flexible (Insulation), Part Number 13229E4201/47
Figure F-32. Foam, Flexible (Insulation), Part Number 13229E4201/57
Figure F-34. Foam, Flexible (Insulation), Part Number 13229E4201/54
Figure F-37. Foam, Flexible (Insulation), Part Number 13229E4201/27
Figure F-40. Foam, Flexible (Insulation), Part Number 13229E4201/60
Figure F-42. Rubber, Cellular, Part Number 13229E4201/46
Figure F-44. Gasket, EMI, Part Number 13227E6911/2
Figure F-46. Remote Control Cable Diagram
Figure F-48. Logic Box Test Fixture Schematic
GLOSSARY - TM-9-4120-401-140291
Section II DEFINITION OF UNUSUAL TERMS - TM-9-4120-401-140292
TM-9-4120-401-14 Air Conditioner Horizontal Compact 18 000 BTU/HR Model F18H-MPI 208 Volt 3 Phase 50/60/400 Hz 230 Volt Single-Phase 50/60 Hertz Manual

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