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• AIR CONDITIONER, SPLIT PACKAGE
• Operator's, Organizational, Direct Support, and General Support Maintenance Manual
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• Operator's, Organizational, Direct Support, and General Support Maintenance Manual (Cont.)
• Operator's, Organizational, Direct Support, and General Support Maintenance Manual (Cont.)
• Operator's, Organizational, Direct Support, and General Support Maintenance Manual (Cont.)
• Operator's, Organizational, Direct Support, and General Support Maintenance Manual (Cont.)
• Operator's, Organizational, Direct Support, and General Support Maintenance Manual (Cont.)
• TABLE OF CONTENTS
• TABLE OF CONTENTS (cont.)
• WARNING
• WARNING (continued)
• Figure 1-1. Air Conditioner
• Chapter 1. INTRODUCTION
• Section II EQUIPMENT DESCRIPTION
• Figure 1-2. Major Operator Associated Components
• DIFFERENCES BETWEEN MODELS
• EQUIPMENT DATA
• Section III TECHNICAL PRINCIPLES OF OPERATION
• HEATING
• Chapter 2. OPERATING INSTRUCTIONS
• Figure 2-1. Operator's Controls and Checks
• Figure 2-2. Visual Indicators
• Section II OPERATOR PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
• Section III OPERATION UNDER USUAL CONDITIONS
• Figure 2-5. Intake and Discharge Openings and Drains
• Figure 2-6. Operation in Cool Mode
• Figure 2-9. Operation in Low Heat -Mode.
• Figure 2-12. Operation in High Heat Mode
• Figure 2-14. Adjustment - Cooler
• INFORMATION PLATES
• Section IV OPERATION UNDER UNUSUAL CONDITIONS
• Chapter 3. ORGANIZATIONAL MAINTENANCE INSTRUCTIONS
• Section II SERVICE UPON RECEIPT OF EQUIPMENT
• INSTALLATION SITE PREPARATION
• Figure 3-1. Installation Dimensions, Evaporator Assembly
• Figure 3-2. Installation Dimensions, Condenser Assembly
• Figure 3-3. Installation Dimensions, Remote Control Assembly
• INSTALLATION SITE PREPARATION (continued)
• Figure 3-4. General Installation Items
• AIR CONDITIONER REMOVAL/INSTALLATION
• AIR CONDITIONER REMOVAL/INSTALLATION (Continued)
• AIR CONDITIONER REMOVAL/INSTALLATION (Continued)
• AIR CONDITIONER REMOVAL/INSTALLATION (Continued)
• Section III PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
• Table 3-1. ORGANIZATIONAL PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
• Table 3-1. ORGANIZATIONAL PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) (Continued)
• Table 3-1. ORGANIZATIONAL PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) (Continued)
• Table 3-1. ORGANIZATIONAL PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) (Continued)
• Table 3-1. ORGANIZATIONAL PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) (Continued)
• Table 3-1. ORGANIZATIONAL PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS) (Continued)
• Section IV TROUBLESHOOTING
• Table 3-2. TROUBLESHOOTING
• Section V MAINTENANCE PROCEDURES
• FRESH AIR FILTER, RETAINER CORD, AND HOOK
• FRESH AIR DUCT AND EMI SCREEN
• ACCESS COVER
• DRAIN PLUGS
• PROTECTIVE ELECTRICAL CONNECTOR CAPS AND COVERS
• FRONT EVAPORATOR COVER
• FRONT EVAPORATOR COVER (Continued)
• RETURN AIR SCREEN AND FRAME
• EVAPORATOR DISCHARGE EMI SCREEN AND FRAME
• FRESH AIR COVER
• FRESH AIR COVER (Continued)
• TOP EVAPORATOR COVER
• FEED THRU COVER
• FEED THRU COVER (Continued)
• FRONT CONDENSER COVER
• FRONT CONDENSER COVER (continued)
• TOP CONDENSER COVER
• TOP CONDENSER COVER (Continued)
• RIGHT END CONDENSER COVER
• LEFT END CONDENSER COVER
• CONDENSER GUARD AND CONDENSER INLET EMI SCREEN
• CONDENSER DISCHARGE GRILLE AND EMI SCREEN
• CONDENSER DISCHARGE GRILLE AND EMI SCREEN (Continued)
• BULB REPLACEMENT FOR RUN INDICATOR LIGHT
• Section VI PREPARATION FOR STORAGE OR SHIPMENT
• Chapter 4. DIRECT SUPPORT MAINTENANCE INSTRUCTIONS
• Section II TROUBLESHOOTING
• Table 4-1. TROUBLESHOOTING
• Table 4-1. TROUBLESHOOTING (cont.)
• Table 4-1. TROUBLESHOOTING (cont.)
• Table 4-1. TROUBLESHOOTING (cont.)
• Table 4-1. TROUBLESHOOTING (cont.)
• Table 4-1. TROUBLESHOOTING (cont.)
• Table 4-1. TROUBLESHOOTING (cont.)
• Table 4-1. TROUBLESHOOTING (cont.)
• Table 4-1. TROUBLESHOOTING (cont.)
• Table 4-1. TROUBLESHOOTING (cont.)
• Table 4-1. TROUBLESHOOTING (cont.)
• Table 4-1. TROUBLESHOOTING (cont.)
• Figure 4-1. Location of Major Test Points and Connectors
• Figure 4-2. Electrical Schematic.
• Figure 4-3. Wiring Diagram (Sheet 1 of 3)
• Figure 4-3. Wiring Diagram (Sheet 2 of 3)
• Figure 4-3. Wiring Diagram (Sheet 3 of 3).
• Section III GENERAL MAINTENANCE PROCEDURES
• Table 4-2. WIRE LIST
• Table 4-2. WIRE LIST (cont)
• Table 4-2. WIRE LIST (cont)
• Table 4-2. WIRE LIST (cont)
• REFRIGERATION SYSTEM REPAIRS GENERAL
• Figure 4-4. Discharging Refrigerant
• PURGING THE REFRIGERANT SYSTEM
• BRAZING/DEBRAZING PROCEDURES
• BRAZING/DEBRAZING PROCEDURES (Continued)
• LEAK TESTING THE REFRIGERANT SYSTEM
• LEAK TESTING THE REFRIGERANT SYSTEM (Continued)
• EVACUATING THE REFRIGERANT SYSTEM
• CHARGING THE REFRIGERATION SYSTEM
• CHARGING THE REFRIGERATION SYSTEM (Continued)
• REFRIGERANT PRESSURE CHECK
• Table 4-3. PRESSURE-TEMPERATURE RELATIONSHIP OF SATURATED REFRIGERANT-22
• Table 4-4. NORMAL OPERATING PRESSURES
• Section IV ITEMIZED MAINTENANCE PROCEDURE
• Figure 4-8. Evaporator/Condenser Assembly Separation and Reconnection
• ELASTIC CORD (FILTER RETAINER)
• FRESH AIR DUCT, OUTSIDE COVERS, SCREENS, FRAMES, GUARDS, AND INFORMATION AND IDENTIFICATION PLATES
• RADIO FREQUENCY FILTER (FLI)
• Figure 4-10. Radio Frequency Filter (FLI) Internal Diagram
• EMI SCREENS
• EVAPORATOR ASSY WIRING HARNESSES AND BULKHEAD CONNECTORS
• EVAPORATOR ASSY WIRING HARNESSES AND BULKHEAD CONNECTORS (Continued)
• EVAPORATOR ASSY WIRING HARNESSES AND BULKHEAD CONNECTORS (continued)
• TEMPERATURE SENSING PROBE (A1-RT)
• TEMPERATURE SENSING PROBE (A1-RT) (Continued)
• EVAPORATOR FAN (IMPELLER) AND MOTOR ASSEMBLY REMOVAL AND INSTALLATION
• Figure 4-14. Evaporator Fan and Motor Assembly
• FAN INLET (RINGS)
• FAN INLET (RINGS) (Continued)
• CENTRIFUGAL IMPELLER (FAN)
• Figure 4-17. Fan Impeller Direction of Rotation
• BLOWER HOUSING
• BLOWER HOUSING (Continued)
• EXTENSION SHAFT
• EXTENSION SHAFT (Continued)
• BASE, MOTOR, AND BLOWER
• EVAPORATOR BLOWER MOTOR INSPECTION/TEST (INSTALLED)
• Figure 4-21. Motor (B3) Test Point
• MOTOR, ALTERNATING CURRENT (B3)
• Figure 4-22. Motor (B3)
• Figure 4-23. Motor (B3) IMC Magnetics
• Figure 4-24. Motor (B3) Welco Industries
• MOTOR, ALTERNATING CURRENT (B3) (Continued)
• THERMOSTATIC SWITCHES (S2 and S3)
• Figure 4-25.1. Thermostatic Switch Test (Models EKP and FGG)
• Figure 4-26. Thermostatic Switches (S2 and S3) - Model DHF
• Figure 4-26.1. Thermostatic Switches (S2 and S3) - Models EKP and FGG.
• THERMOSTATIC SWITCHES (S2 and S3) (Continued)
• TERMINAL BOARD (TB2) AND TERMINAL BOARD SUPPORT
• HEATING ELEMENT TEST (INSTALLED)
• Figure 4-28. Heater Test (Installed)
• HEATING ELEMENTS, (HR1 THROUGH HR15) INSULATING GROMMET AND BRACKET
• Figure 4-30. Electrical Heating Elements - Model DHF
• Figure 4-30.1. Heater Assembly - Models EKP and FGG
• Figure 4-30.2. Electrical Heating Elements - Models EKP and FGG
• EVAPORATOR COIL INSPECTION INSTALLED/CLEANING
• EVAPORATOR COIL
• Figure 4-31. Evaporator Coil and Tubing Removal/Installation
• Figure 4-32. Evaporator Coil Repair
• EVAPORATOR COIL (Continued)
• COUPLING HALF, MALE (EVAPORATOR REFRIGERANT PIPING DISCONNECT)
• COUPLING HALF, MALE (EVAPORATOR REFRIGERANT PIPING DISCONNECT) (continued)
• EXPANSION VALVE INSPECTION, TEST AND ADJUSTMENT
• EXPANSION VALVE INSPECTION, TEST AND ADJUSTMENT (Continued)
• EXPANSION VALVE REPLACEMENT
• Figure 4-35. Expansion Valve
• EXPANSION VALVE REPLACEMENT (Continued)
• TUBING AND FITTINGS (EVAPORATOR ASSEMBLY)
• Figure 4-36. Refrigeration Piping, Evaporator Section
• PLASTIC TUBING (CONDENSATE DRAIN)
• INSULATION, EVAPORATOR HOUSING
• Figure 4-38. Insulation, Evaporator Housing
• ELECTRICAL MODULE ASSEMBLY, EVAPORATOR SECTION (REMOVAL/INSTALLATION)
• Figure 4-39. Evaporator Electrical Module Assembly Removal/installation
• TOP COVER AND GROMMETS, EVAPORATOR ELECTRICAL MODULE
• Figure 4-41. Cover, Evaporator Electrical Module
• WIRING HARNESSES RECEPTACLE GASKETS, LEADS AND DISCONNECT SPLICES - EVAPORATOR ELECTRICAL MODULE
• MODULE MOUNTING SCREWS, EVAPORATOR ELECTRICAL MODULE
• Figure 4-43. Module Mounting Screw
• VARISTOR (RV4) AND TRANSFORMER (T1) TEST
• VARISTOR (RV4) AND TRANSFORMER (T1)
• Figure 4-45. Varistor (RV4) and Transformer (T1)
• TEMPERATURE CONTROL COMPONENT BOARD (A1) TEST
• TEMPERATURE CONTROL COMPONENT BOARD (A1)
• Figure 4-47. Temperature Control Component Board (A1)
• FUSE (F1) AND FUSEHOLDER (XF1)
• Figure 4-49. Fuse (F1) and Fuseholder (XF1)
• RECTIFIER (CR1) AND CAPACITOR (C1) TEST
• Figure 4-50. Rectifier (CR1) and Capacitor (C1) Test
• Figure 4-51. Rectifier (CR1) and Capacitor (C1) (Model DHF)
• Figure 4-51.1. Rectifier (CR1) and Capacitor (C1) (Models EKP and FGG)
• RECTIFIER (CR1) AND CAPACITOR (C1) TEST (Continued)
• RELAYS (K3, K4, AND K5) TEST
• RELAYS (K3, K4, AND K5) TEST (continued)
• RELAYS (K3, K4, AND K5)
• Figure 4-53. Relay (K3, K4 and K5)
• TERMINAL BOARD (TB1) AND JUMPERS
• Figure 4-54. Terminal Board (TB1) and Jumpers
• CHASSIS, EVAPORATOR ELECTRICAL MODULE
• Figure 4-55. Chassis, Evaporator Electrical Module
• HARNESSES AND LEADS, CONDENSER ASSEMBLY
• Figure 4-56. Harnesses and Leads, Condenser Assembly
• HARNESSES AND LEADS, CONDENSER ASSEMBLY (Continued)
• VARISTORS (RV1, RV2, AND RV3) AND TERMINAL BOARD (TB4)
• Figure 4-57. Varistors (RV1, RV2, and RV3) and Terminal Board (TB4)
• PUSH-PULL CONTROL ASSEMBLY
• OUTLET VANES AND LEVERS
• Figure 4-59. Outlet Vanes and Levers
• IMPELLER, CENTRIFUGAL FAN AND EXTENSION SHAFT
• Figure 4-60. Impeller. Centrifugal Fan, and Extension Shaft
• IMPELLER, CENTRIFUGAL FAN AND EXTENSION SHAFT (Continued)
• BLOWER HOUSING AND FAN INLET
• Figure 4-62. Blower Housing and Fan Inlet
• CONDENSER FAN MOTOR (B2) TEST (INSTALLED)
• MOTOR ALTERNATING CURRENT (B2)
• Figure 4-64. Motor (B2)
• Figure 4-65. Motor (B2) IMC Magnetics Corp.
• Figure 4-66. Motor (B2) Welco Industries, Inc.
• MOTOR ALTERNATING CURRENT (B2) (Continued)
• FLEXIBLE HOSE ASSEMBLY SUCTION AND DISCHARGE
• Figure 4-67. Flexible Hose Connection Points
• Figure 4-68. Suction Hose
• Figure 4-69. Discharge Hose
• COUPLING HALF, MALE (CONDENSER REFRIGERANT PIPING DISCONNECT)
• Figure 4-70. Male Coupling Half
• CAP AND CHAIN AND INSPECTION OF SERVICE VALVES
• Figure 4-71.1. Service Valves and Caps and Chains - Models EKP and FGG
• SERVICE VALVES
• SOLENOID VALVES (L1 AND L2) TEST AND COIL REPLACEMENT
• Figure 4-73. Solenoid Valve Coil Removal
• SOLENOID VALVES (L1 AND L2)
• Figure 4-74. Solenoid Valves (L1 and L2)
• SOLENOID VALVES (L1 AND L2) (Continued)
• MOUNTING BRACKETS, SOLENOID VALVES
• SIGHT GLASS
• Figure 4-76. Sight Glass
• DEHYDRATOR (FILTER DRIER)
• RECEIVER, LIQUID REFRIGERANT
• Figure 4-78. Receiver, Liquid Refrigerant
• ACTUATING CYLINDER
• Figure 4-79.1. Actuating Cylinder - Models EKP and FGG
• ACTUATOR BRACKET
• Figure 4-80. Actuator Bracket - Model DHF
• Figure 4-80.1. Actuator Bracket - Models EKP and FGG
• ACTUATOR BRACKET (Continued)
• EXPANSION VALVE (QUENCH)
• Figure 4-81. Expansion Valve (Quench)
• DISCHARGE BYPASS VALVE
• Figure 4-82. Discharge Bypass Valve
• VALVE MOUNTING BRACKET
• Figure 4-83. Valve Mounting Bracket
• Figure 4-84. High Pressure Switch (S4)
• LOW PRESSURE SWITCH (S5)
• Figure 4-85. Low Pressure Switch (S5)
• PRESSURE RELIEF VALVE
• Figure 4-86. Pressure Relief Valve
• CONDENSER COIL INSPECTION AND CLEANING/INSTALLED
• Figure 4-87. Condenser Coil
• CONDENSER COIL
• INSULATION
• TUBING AND FITTINGS (CONDENSER ASSEMBLY)
• RESILIENT MOUNTS, COMPRESSOR
• Figure 4-89. Resilient Mounts, Compressor
• COMPRESSOR
• COMPRESSOR (Continued)
• Figure 4-91. Compressor (DHF model)
• Figure 4-91.1. Compressor (Models EKP and FGG)
• COMPRESSOR (Continued)
• COMPRESSOR (Continued)
• CONDENSER HOUSING ASSEMBLY INSPECTION
• Figure 4-92. Condenser Section Electrical Module Assembly
• MODULE COVER
• EMI GASKETS. WARNING HARNESS AND LEADS
• Figure 4-94. EMI Gaskets and Harnesses
• TIME TOTALIZING METER (HOURMETER) M1
• Figure 4-95. Time Totalizing Meter (Hourmeter) M1
• RELAY (K1)
• Figure 4-96. Relay (K1)
• RELAY (K1) (Continued)
• RELAY (K2)
• Figure 4-97. Relay (K2)
• RELAY (K2) (Continued)
• TIME DELAY RELAY (K6)
• Figure 4-98. Time Delay Relay (K6)
• TERMINAL BOARD (TB3) AND CONNECTING LINKS
• Figure 4-99. Terminal Board (TB3) and Connecting Links
• CHASSIS AND SNAP FASTENER
• Figure 4-100. Chassis, Electrical Module
• CHASSIS AND SNAP FASTENER (continued)
• REMOTE CONTROL ASSEMBLY REMOVAL/INSTALLATION
• BOX, REMOTE CONTROL
• Figure 4-103. Remote Box Repair
• WIRING HARNESS EMI GASKET AND ELECTRICAL LEADS - REMOTE CONTROL BOX
• DIODE (D1) WITH TERMINAL
• Figure 4-105. Diode with Terminal
• ROTARY, MODE SELECTOR, SWITCH (S1) AND KNOB
• ROTARY, MODE SELECTOR, SWITCH (S1) AND KNOB (Continued)
• RUN INDICATOR LIGHT (XDS1)
• TEMPERATURE CONTROL (A1-R1)
• Figure 4-108. Temperature Control
• COVER, REMOTE CONTROL
• COVER, REMOTE CONTROL (Continued)
• Chapter 5. GENERAL SUPPORT MAINTENANCE INSTRUCTIONS
• Replacement
• Appendix A. REFERENCES
• Appendix B. MAINTENANCE ALLOCATION CHART
• EXPLANATION OF COLUMNS IN THE MAC, SECTION II
• EXPLANATION OF COLUMNS IN TOOL AND TEST EQUIPMENT REQUIREMENTS, SECTION III
• MAINTENANCE ALLOCATION CHART FOR AIR CONDITIONER
• MAINTENANCE ALLOCATION CHART FOR AIR CONDITIONER (Continued)
• MAINTENANCE ALLOCATION CHART FOR AIR CONDITIONER (Continued)
• MAINTENANCE ALLOCATION CHART FOR AIR CONDITIONER (Continued)
• MAINTENANCE ALLOCATION CHART FOR AIR CONDITIONER (Continued)
• MAINTENANCE ALLOCATION CHART FOR AIR CONDITIONER (Continued)
• MAINTENANCE ALLOCATION CHART FOR AIR CONDITIONER (Continued)
• MAINTENANCE ALLOCATION CHART FOR AIR CONDITIONER (Continued)
• MAINTENANCE ALLOCATION CHART FOR AIR CONDITIONER (Continued)
• MAINTENANCE ALLOCATION CHART FOR AIR CONDITIONER (Continued)
• MAINTENANCE ALLOCATION CHART FOR AIR CONDITIONER (Continued)
• MAINTENANCE ALLOCATION CHART FOR AIR CONDITIONER (Continued)
• MAINTENANCE ALLOCATION CHART FOR AIR CONDITIONER (Continued)
• Section III. TOOL AND TEST EQUIPMENT REQUIREMENTS MAINTENANCE ALLOCATION CHART
• Section IV REMARKS MAINTENANCE ALLOCATION CHART
• Appendix C. COMPONENTS OF END ITEM AND BASIC ISSUE ITEMS LISTS
• Section II COMPONENTS OF END ITEM
• Section III BASIC ISSUE ITEMS
• Appendix D. ADDITIONAL AUTHORIZATION LEST
• Section II ADDITIONAL AUTHORIZATION LIST
• Appendix E. EXPENDABLE SUPPLIES AND MATERIALS LIST
• Section II. EXPENDABLE SUPPLIES AND MATERIALS LIST
• ALPHABETICAL INDEX
• ALPHABETICAL INDEX (Continued)
• ALPHABETICAL INDEX (Continued)
• ALPHABETICAL INDEX (Continued)
• ALPHABETICAL INDEX (Continued)
• ALPHABETICAL INDEX (Continued)
• ALPHABETICAL INDEX (Continued)
• Business Reply Mail
• Business Reply Mail
• The Metric System and Equivalents
• By Order of the Secretary of the Army
• 050678
• By Order of the Secretary of the Army
• By Order of the Secretary of the Amy
• Recommended Changes to Equipment Technical Publications
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• By Order of the Secretary of the Army
• Recommended Changes to Equipment Technical Publications