• Chapter 1 Introduction Section I General Information
• Purpose, Capabilities, And Features
• Location And Description Of Major Components
• Return Air Filter
• Differences Between Models
• Section Iii Technical Principles Of Operation
• Heating
• Chapter 2 Operating Instructions
• Figure 2-1. Operator’s Controls Front
• Figure 2-2. Operator's Controls Rear
• Section Ii Operator Preventive Maintenance Checks And Services (Pmcs)
• Table 2-1. Operator Preventive Maintenance Checks And Services (Cont.)
• Table 2-1. Operator Preventive Maintenance Checks And Services (Cont.)
• Table 2-1. Operator Preventive Maintenance Checks And Services (Cont.)
• Table 2-1. Operator Preventive Maintenance Checks And Services (Cont.)
• Section Ill Operation Under Usual Conditions
• Figure 2-4. Air Openings And Drains
• Table 2-2. Oprator Control Settings
• General Information
• Operation In Ventilate Mode (No Heating Or Cooling Needed)
• Adjust Louvers To Suit.
• Operation In Lo Heat Mode
• Figure 2-10. Louver Adjustment
• Figure 2-13. Louver Adjustment
• Figure 2-14. Fabric Cover
• Figure 2-15. Fabric Cover
• Figure 2-17. Fresh Air Damper (Door) Adjustment
• Shutdown (Off)
• Information Plates
• Section Iv Operation Under Unusual Conditions
• Operation In Dusty Or Sandy Conditions
• Operation Under Emergency Conditions
• Section I Lubrication Instructions
• Section Ii Troubleshooting Procedures
• Compressor Does Not Start In Cool Mode
• Table 3-1. Troubleshooting (Cont.)
• Table 3-1. Troubleshooting (Cont.)
• Table 3-1. Troubleshooting (Cont.)
• Table 3-1. Troubleshooting (Cont.)
• Table 3-1. Troubleshooting (Cont.)
• Chapter 4 Organizational Maintenance Instructions
• Section Ii Service Upon Receipt
• Figure 4-1. Unpacking
• Installation Site Preparation
• Figure 4-2. Installation Dimensions (Sheet 1 Of 4)
• Figure 4-2. Installation Dimensions (Sheet 2 Of 4)
• Figure 4-2. Installation Dimensions (Sheet 3 Of 4)
• Installation Site Preparation
• Air Conditioner Preparation For Installation
• Figure 4-4. Intake Grille And Filter
• Figure 4-5. Control Panel
• Figure 4-6. Sensing Bulb Secured For Remote Mounting
• Figure 4-7. Block Off Assembly Installation
• Figure 4-8. Interconnecting Remote Control Cable Diagram
• Figure 4-9. Remove Grille. Alternate Cable Connections Through Return (Intake) Duct
• Figure 4-10. Lower Front Panel
• Figure 4-13. Cover Plate Installation
• Figure 4-14. Bulkhead Connector Installation
• Alternate Input Power Cable Connector (J1) Locations
• Figure 4-18. Receptacle (J13)
• Installations That Require Removal Of Fabric Cover
• Installation Instructions
• P1 Connector
• Figure 4-20. Wiring Diagram (Sheet 1 Of 2)
• Figure 4-20. Wiring Diagram (Sheet 2 Of 2)
• Figure 4-20a. Electrical Schematic
• Input Power Cablle
• Section Ill Lubrication
• Introduction, Inspection, And Service
• Table 4-1. Organizational Preventive Maintenance Checks And Services (Pmcs) (Cont.)
• Table 4-1. Organizational Preventive Maintenance Checks And Services (Pmcs) (Cont.)
• Table 4-1. Organizational Preventive Maintenance Checks And Services (Pmcs) (Cont.)
• Table 4-1. Organizational Preventive Maintenance Checks And Services (Pmcs) (Cont.)
• Table 4-1. Organizational Preventive Maintenance Checks And Services (Pmcs) (Cont.)
• Table 4-1. Organizational Preventive Maintenance Checks And Services (Pmcs) (Cont.)
• Table 4-1. Organizational Preventive Maintenance Checks And Services (Pmcs) (Cont.)
• Organizational Preventive Maintenance Checks And Services (Pmcs) (Cont.)
• Section V Troubleshooting
• Table 4-2. Troubleshooting
• Table 4-2. Troubleshooting (Cont.)
• Table 4-2. Troubleshooting (Cont.)
• Table 4-2. Troubleshooting (Cont.)
• Table 4-2. Troubleshooting (Cont.)
• Table 4-2. Troubleshooting (Cont.)
• Table 4-2. Troubleshooting (Cont.)
• Table 4-2. Troubleshooting (Cont.)
• Table 4-2. Troubleshooting (Cont.)
• No Heat In Either Hi Heat Or Lo Heat Mode
• Fan Motor (B2) Does Not Operate
• Section Vi Maintenance Tm 5-4120-377-14 Procedures
• Lubrication
• Access (Service Valves) Cover
• Connector Cover Plates
• Side Access Plate Cover
• Conditioned Air Discharge (Outlet) Grille Assembly
• Conditioned Air Intake Grille Assembly
• Condenser (Fan) Guard
• Condenser Coil Guard
• Fresh Air (Inlet) Screen
• Figure 4-32. Top Panel
• Lower Front Panel
• Access Panel (Circuit Breaker)
• Filter (Radio Frequency) Mounting Plate
• Rear Panel
• Installation
• Conditioned Air Filter
• Fresh Air Filter
• Mist Eliminator
• Electrical Wiring Repair General
• Electrical Wiring Repair General-Cont.
• Table 4-3. Wire List
• Table 4-3. Wire List (Cont)
• Table 4-3. Wire List (Cont)
• Table 4-3. Wire List (Cont)
• Control Panel
• Figure 4-41. Intake Grille And Filter
• Installation
• Wiring Harness, Control Panel
• Installation
• Temperature Control Thermostat
• Installation
• Figure 4-45. Mode Selector (Rotary) Switch (S1)
• Test
• Figure 4-47. Control Panel Housing
• Block Off Assembly
• Figure 4-49. Block Off Assembly Installed
• Figure 4-50. Wiring Harnesses
•  Radio Frequency Filter (Fl1)
• Figure 4-51. Radio Frequency Filter (Fl1)
• Junction Box
• Junction Box Removal/Installation
• Figure 4-53. Junction Box Removal/Installation
• Figure 4-54. Reset Control Wire Connection
• Access
• Figure 4-56. Junction Box Cover
• Figure 4-57. Circuit Breaker External Reset
• Junction Box Harnesses
• Transformer
• Compressor Circuit Breaker
• Figure 4-61. Circuit Breaker (Cb1)
• Figure 4-62. Fuses (F1, F2, And F3)
• Installation
• Inspection/Test
• Table 4-4. Rectifier Test
• Figure 4-65. Time Delay Relay
• Compressor Start Relay
• Installation
• Figure 4-67. Heater Relay (K2)
• Fan Motor Relay
• Figure 4-69. Terminal Boards (Tb1 And Tb2)
• Junction Box Housing, Panel, And Cover
• Heater Cutout (Thermostat) Switch (S4)
• Electric Heater (Elements) (Hr1 Through Hr6)
• Heater Removal
• Evaporator Fan
• Figure 4-75. Evaporator Inlet Bell
• Evaporator And Condenser Fan Motor (B2) And Condenser Fan
• Fan Inspection (Installed)
• Installation
• Caution
• Evaporator Coil Cleaning
• Condenser Coil Cleaning
• Condensate Traps
• Cleaning
• Section Vii Preparation Storage Or Shipment
• Chapter 5 Direct Support Maintenance Instructions
• Section Ii Maintenance Procedures
• Outside Covers, Panels, Grilles, Screens, Information Plates-Cont.
• Evaporator And Condenser Fan Motor
• Disassembly
• Disassembly
• Evaporator And Condenser Fan Motor (B2) Repair Applied Model 3788
• To Replace Bearings:
• To Replace Bearings:
• Refrigeration System Repairs General
• Figure 5-3. Discharging Refrigerant
• Purging The Refrigerant System
• Figure 5-4. Nitrogen Purging Connection
• Brazing/Debrazing Procedures
• Leak Testing The Refrigerant System
• Leak Testing The Refrigerant System-Cont.
• Figure 5-5. Evacuation Of Refrigeration System
• Charging The Refrigeration System
• Caution
• Caution
• Figure 5-8. Access (Service Valves) Cover
• Discharge Pressure Too Low
• Suction Pressure Too Low
• Table 5-1. Pressure-Temperature Relationship Of Saturated
• Table 5-2. Normal Operating Pressures (In Full Cooling Decrease Mode.)
• Figure 5-10. Desiccant Refrigerant Dehydrator (Filter Drier)
• Installation
• Inspection/Test
• Figure 5-12. High Pressure Cut-Out Switch (S6)
• Installation
• Service Valve
• Test
• Figure 5-14.1. Solenoid Valve Coil Replacement (Keco Model F-18t4-2s)
• Solenoid Valves (L1 And I2) (For Keco Model F18t4-2s Only)
• Solenoid Valves (L1 And L2) (For Applied Model 3788 Only)
• Liquid Quench Expansion Valve
• Inspection
• Removal
• Compressor (B1)
• Compressor (B1)
• Figure 5-18. Compressor Replaceable Items
• Compressor Replacement.
• Compressor Replacement (Cont)
• Compressor Replacement (Cont)
• Compressor Installation
• Liquid Sight Indicator (Sight Glass)
• Expansion Valve
• Inspection
• Removal
• Installation
• Evaporator Coil
• Figure 5-23. Evaporator Coil
• Repair
• Pressure Regulating Valve
• Pressure Regulating Valve
• Figure 5-25. Pressure Regulating Valve
• Reciever
• Pressure Relief Valve
• Condenser Coil
• Tubing And Fittings
• Insulation, Casing
• Fresg Air Damper
• Gasket Replacement
• Chapter 6 General Support Maintenance Instructions
• Section Ii Authorized General Support Maintenance Actions
• Lifting Handles
• Appendix A References
• Section I Introduction
• Explanation Of Columns In The Mac, Section Ii
• Explanation Of Columns In Tool And Test Equipment Requirements, Section Ill
• Maintenance Allocation Chart For Air Conditioner
• Maintenance Allocation Chart For Air Conditioner
• Maintenance Allocation Chart For Air Conditioner
• Appendix B Section Ii Mainteance Allocation Chart For Air Conditioner
• Section Iii Tool And Test Equipment Requirements Maintenance Allocation Chart
• Section Iv Remarks Maintenance Allocation Char
• Section I. Introduction
• Section Ii Components Of End Items
• Section Ii Components Of End Items (Cont.)
• Section Ill Basic Issue Items
• Appendix D Additional Authorization List
• Section Ii Additional Authorization List
• Appendix E Expendable Supplies And Materials List
• Section Ii Expendable Supplies And Materials List
• Alphabetical Index (Cont.)
• Alphabetical Index (Cont.)
• Alphabetical Index (Cont.)
• Alphabetical Index (Cont.)
• Alphabetical Index (Cont.)
• Alphabetical Index (Cont.)
• The Metric System And Equivalents

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