• Chapter 1 Introduction
• Section Ii. Equipment Description
• Figure 1-2. External Components (Rear View)
• Figure 1-3. Internal Components Evaporator Section
• Figure 1-4. Internal Components Condenser And Compressor Section
• 1-10. Equipment Data - Continued.
• Section Iii. Technical Principles Of Operation
• Figure 1-5. Functional Block Diagram (Sheet 1 Of 4)
• (8) A Solenoid Valve
• Figure 1-5. Functional Block Diagram (Sheet 2 Of 4)
• Figure 1-5. Functional Block Diagram (Sheet 3 Of 4)
• 1-14. Operating Cycl.Es Continued.
• Figure 1-5. Functional Block Diagram (Sheet 4 Of 4)
• Chapter 2 Operating Instructions
• Figure 2-1. Controls And Indicators (Sheet 2 Of 2)
• Section Ii. Operator Preventive Maintenance Checks And Services
• Table 2-1. Operator Preventive Maintenance Checks And Services
• Operator Preventive Maintenance Checks And Services - Continued
• 2-7. Operating Procedure
• Figure 2-3. Auto Mode (Settings And Indicators)
• Figure 2-4. Cool Mode (Settings And Indicators)
• Figure 2-5. Heat Mode (Settings And Indicators)
• Figure 2-6. Remote Mode (Settings And Indicators)
• Figure 2-7. Off Mode (Settings And Indicators)
• 2-13. Preparation For Movement
• Diagram
• Section Iv. Operation Under Unusual Conditions
• 2-18. Operation In Dusty Or Sandy Conditions
• Table 3-1. Operator Troubleshooting
• 2. Reduced Cooling Capacity
• 4. One Or More Control Panel Fault Indicator Lights Are On.
• 5. Excessively Noisy Operation.
• Section Iii. Operator Maintenance Procedures
• Figure 3-1. Return Air Filter
• Chapter 4 Unit Maintenance
• Section Iii. Service Upon Receipt
• Figure 4-2. Typical Crated Air Conditioner
• 4-10. Preparation Of Air Conditioner For Installation.
• Figure 4-3. Center Front Evaporator Panel Removal
• Figure 4-6. Right Front Condenser Panel Removal
• Figure 4-9. Right Electric Plate
• 4-12. Pulley Checks.
• Figure 4-13. Rear Condenser Panel Installation
• 4-13. Installation Instructions - Continued
• Figure 4-16. Fan Contactors (K8 And K9) Switches
• 4-14. Front Access Panels Installation
• Figure 4-20. Right Front Condenser Panel Installation
• Figure 4-23. Left Front Evaporator Panel Installation
• Section Iv. Unit Preventive Maintenance Checks And Services
• Table 4-1. Unit Preventive Maintenance Checks And Services - Continued
• Unit Preventive Maintenance Checks And Services - Continued
• Unit Preventive Maintenance Checks And Services - Continued
• Unit Preventive Maintenance Checks And Services - Continued
• Unit Preventive Maintenance Checks And Services - Continued
• Unit Preventive Maintenance Checks And Services - Continued
• Section V. Unit Troubleshooting
• Table 4-2. Unit Maintenance Troubleshooting
• 2. Evaporator And Condenser Fans Both Run, But Compressor Does Not Start After Time Delay.
• 5. Reduced Heating Capacity
• 7. Condenser Fan Motor (B3) Does Not Operate.
• 9. Fault Reset Switch (S12) Does Not Reset
• 11. Low Oil Pressure Light (Ds6) On.
• 13. Low Suction Pressure Light (Ds4) On.
• 14. Control Power (24 Vdc) Fault Light (Ds9) On.
• Section Vi. Unit Maintenance Procedures
• 4-19. Air Conditioner Control
• Figure 4-25. Control Circuits
• 4-19. Air Conditioner Control - Continued
• Table 4-3. Mode Select Switch Positions And Results
• 4-22. Center Front Evaporator Panel
• Figure 4-26. Center Front Evaporator Panel
• 4-23. Left Front Evaporator Panel.
• Figure 4-27. Left Front Evaporator Panel
• Installation
• 4-24. Fresh Air Inlet Filter Box (Evaporator Front Panel).
• Figure 4-28. Fresh Air Inlet Filter Box (Evaporator Front Panel)
• 4-25. Right Front Evaporator Panel
• Figure 4-29. Right Front Evaporator Panel
• Installation
• 4-25. Right Front Evaporator Panel-Continued.
• 4-27. Left Front Condenser Panel
• Repair/Replace-Continued.
• Figure 4-31. Left Front Condenser Panel
• 4-28. Right Front Condenser Panel.
• Figure 4-32. Right Front Condenser Panel
• Installation
• 4-29. Front Service Valve Panel
• Figure 4-33. Front Service Valve Panel
• Repair/Replace-Continued.
• 4-30. Left Electric Plate
• Figure 4-34. Left Electric Plate
• 4-31. Right Electric Plate
• Figure 4-35. Right Electric Plate
• 4-32. Rear Evaporator Panel.
• 4-33. Control Wire J-Box.
• Figure 4-36. Control Wire J-Box
• Installation
• 4-34. Fresh Air Connecting Link Assembly.
• Figure 4-37. Fresh Air Connecting Link
• 4-35. Thermostat Bracket
• Figure 4-38. Thermostat Bracket
• 4-36. Circulating Air In Rfi Filter
• Figure 4-39. Circulating Air In Rfi Filter
• 4-37. Fresh Air Filter
• Figure 4-40. Fresh Air Filter
• 4-38. Fresh Air Rfi Filter
• 4-39. Condenser Air Out Rfi Filter.
• 4-40. Condenser Air In Rfi Filter
• 4-41. Ciculating Air Out Rfi Filter
• Figure 4-44 Circulating Air Out Rfi Filter
• 4-42. Rfi Filter
• Figure 4-45. Rfi Filter
• 4-43. Fuses ( F1-F4 ).
• Figure 4-46. Fuses (F1 -F4)
• 4-44. Varistors ( Vr-1 Thru Vr-4 ).
• Figure 4-47. Varistors (Vr-1 Thru Vr-4)
• 4-45. Control Box And Components
• Figure 4-48. Control Box And Components
• 4-46. Rectifier ( Cr1 ).
• Figure 4-49. Rectifier (Cr1)
• 4-47. Suppression Diodes (Cr2-Cr11)
• Figure 4-50. Suppression Diodes (Cr2 - Cr11)
• 4-48. Indicator Lights (Dsii-Ds7, Ds9)
• Figure 4-51. Indicator Lights ( Ds1-Ds7, Ds9)
• 4-49. Control Relays ( K1-K7, K18-K20)
• Figure 4-52. Control Relays (K1 - K7, K18 - K20)
• 4-50. Relay Sockets.
• Figure 4-53. Relay Sockets (11-Pin)
• 4-51. Fan Contactors ( K8 And K9)
• Figure 4-54 Fan Contactors (K8 And K9)
• Repair/Replace
• 4-52. Compressor Contractor ( K 10).
• Figure 4-55. Compressor Contractor (K10)
• 4-53. Heater Contractor (K11).
• Figure 4-56. Heater Contactor (K11)).
• 4-54. Time Delay (10 And 60 Sec) Relays (K21 And K22).
• Figure 4-57. Time Delay (10 And 60 Sec) Relays (K21 And K22).
• 4-55. Resistors (Ri And R2).
• Figure 4-58. Resistors (R1 And R2)
• 4-56. Mode Select Switch (S1)
• Table 4-4. Mode Select Switch Test
• Installation
• 4-57. Knob (Mode Select Switch (S1))
• 4-58. Service Light Switch (S2)
• Figure 4-61. Service Light Switch (S2)
• 4-59. Fault Reset Switch (S12)
• Figure 4-62. Fault Reset Switch (S12)
• 4-60. Transformer (T1)
• Figure 4-63. Transformer (T1)
• 4-61 Terminal Boards (Tb1-Tb3).
• Figure 4-64. Terminal Boards (Tb1-Tb3).
• 4-62. Circuit Breakers (Cb1 And Cb2).
• Figure 4-65. Circuit Breakers (Cb1-Cb3)
• 4-63. Control Box
• Figure 4-66. Control Box
• Repair/Replace - Continued.
• 4-64. Terminal Board (Tb4).
• Figure 4-67. Terminal Board (Tb4)
• 4-65. Service Light (Ds8)
• Installation
• 4-66. Fresh Air Damper Solenoid (L3)
• Figure 4-69. Fresh Air Damper Solenoid (L3)
• 4-67. Wire Harness
• Repair
• 4-68. Evaporator (Circulator) Motor And Housing Supply
• 4-69. Fan Belt (Evaporator Motor And Housing Assembly)
• Figure 4-70. Fan Belt (Evaporator Motor And Housing Assembly)
• 4-70. Evaporator Motor (B1)
• Figure 4-71. Evaporator Motor (B1)
• 4-71. Circulator Fan (Evaporator).
• Figure 4-72. Circulator Fan (Evaporator)
• Installation
• 4-72. Pulleys 60 Hz, Green (Evaporator Motor And Circulator Fan)
• Figure 4-73. Pulleys 60 Hz, Green (Evaporator Motor And Circulator Fan)
• 4-73. Pulleys 50 Hz, Red (Evaporator Motor And Circulator Fan).
• 4-73. Pulleys 50 Hz, Red (Evaporator Motor And Circulator Fan) - Continued.
• 4-74. Condenser Motor And Housing Assembly.
• 4-75. Fan Belt (Condenser Motor And Housing Assembly).
• Figure 4-75. Fan Belt (Condenser Motor And Housing Assembly)
• 4-76. Condenser Motor (B3)
• Figure 4-76. Condenser Motor (B3)
• 4-77. Circulator Fan (Condenser).
• Figure 4-77. Circulator Fan (Condenser)
• Installation
• 4-78. Pulleys 60 Hz, Green (Condenser Motor And Circulator Fan)
• Figure 4-78. Pulleys 60 Hz, Green (Condenser Motor And Circulator Fan)
• 4-79. Pulleys 50 Hz, Red (Condenser Motor And Circulator Fan)
• Figure 4-79. Pulleys 50 Hz, Red (Condenser Motor And Circulator Fan)
• 4-80. Electric Heater (Eh).
• Figure 4-80. Electric Heater
• Installation
• 4-81. Compressor Crankcase Heater (Cch).
• Figure 4-81. Compressor Crankcase Heater
• 4-82. Dirty Filter Switch (S3).
• Figure 4-82. Dirty Filter Switch (S3)
• 4-83. High Temperature Switch (S6)
• Figure 4-83. High Temperature Switch (S6)
• 4-84. Air Flow Switch (S8).
• Figure 4-84. Air Flow Switch (S8)
• 4-85. Heat Control Thermostat (S9).
• Figure 4-85. Heat Control Thermostat (S9)
• 4-86. Low Ambient Temperature Thermostat (S13).
• Figure 4-86. Low Ambient Temperature Thermostat (S13)
• 4-87. Cool Control Thermostat (S14).
• Figure 4-87. Cool Control Thermostat (S14)
• 4-88. Solenoid Valves (L1 And L2) Coil Removal.
• Figure 4-88. Solenoid Valve (L1 And L2) Coil Removal
• 4-89. Condenser Fan Connecting Link Assembly
• Figure 4-89. Condenser Fan Connecting Link Assembly
• 4-90. Condenser Coil
• Figure 4-90. Condenser Coil Cleaning
• 4-91. Evaporator Coil.
• Figure 4-91. Evaporator Coil Cleaning
• 4-92. Drain Areas.
• Figure 4-92. Drain Areas
• Section Vii. Preparation For Storage Or Shipment
• Section Ii. Direct Support Troubleshooting
• Table 5-1. Direct Support Troubleshooting
• 3. Blown Valve Plate Or Cylinder Head Gaskets.
• 6. Low Discharge Pressure.
• 9. Compressor Noisy.
• 12. Compressor Motor Protectors Tripping Or Cycling
• 14. Motor Burnout
• Section Iii. Direct Support Maintenance Procedures
• 5-7. Panels And Information Plates
• Acetone And Methyl-Ethyl Ketone (Mek)
• 5-8. Evaporator Motor (B1).
• Figure 5-1. Evaporator Motor (B1)
• Reassembly
• 5-9. Condenser Motor (B3)
• Figure 5-2. Condenser Motor (B3)
• Reassembly
• 5-10. Evaporator Motor (B1)
• 5-11. Service Manifold Installation
• Figure 5-3. Service Manifold Installation
• 5-12. Discharging Refrigeration System
• Figure 5-4. Discharging Refrigeration System
• 5-13. Purging Refrigerant System.
• Figure 5-5. Purging Refrigerant System
• 5-14. Brazing, Debrazing Procedures.
• 1. Debrazing.
• 5-15. Leak Testing Refrigerant System.
• Leak Testing
• 5-16. Evacuating Refrigerant System.
• Figure 5-6. Evacuating Refrigerant System
• Refrigerant
• 5-17. Charging Refrigerantsystem.
• Figure 5-7. Charging Refrigerant System
• Follow On Procedure
• 5-18. Refrigerant Pressure Check.
• Table 5-2. Pressure-Temperature Relationship Of Saturated R-22 Refrigerant
• Table 5-3. Normal Operating Pressures (In Full Cooling Mode)
• 5-19. Discharging Compressor
• Figure 5-8. Discharging Compressor
• 5-20. Purging Compressor
• Figure 5-9. Purging Compressor
• 5-21. Pump Down.
• Figure 5-10. Pump Down
• 5-22. Start Up After Repairs
• Figure 5-11. Start Up After Repairs
• 5-23 High Refrigerant Pressure Switch (S4)
• Figure 5-12. High Refrigerant Pressure Switch (S4)
• Installation
• 5-24 Low Refrigerant Pressure Switch (S5)
• 5-24 Low Refrigerant Pressure Switch (S5)
• Testing/Adjustment
• 5-25 Low Oil Pressure Switch (S7)
• Figure 5-14. Low Oil Pressure Switch (S7)
• Testing/Adjustment
• 5-26. Drier Filter (Dehydrator)
• Figure 5-15. Drier Filter
• Reassembly
• 5-27. Refrigerant Strainer
• Figure 5-16. Refrigerant Strainer
• 5-28. Sight Refrigerant Glass.
• Figure 5-17. Sight Glass
• 5-29. Service Valves (Head And Hot Gas Bypass).
• Figure 5-18. Service Valves (Head And Hot Gas Bypass)
• 5-30. Service Valve (Expansion)
• Figure 5-19. Service Valve (Expansion)
• 5-31. Service Valve (Actuator).
• Figure 5-20. Service Valve (Actuator)
• 5-32. Service Valves (Schrader)
• Figure 5-21. Service Valves (Schrader)
• 5-33. Discharge Valve (Compressor)
• Figure 5-22. Discharge Valve (Compressor)
• 5-34. Suction Valve (Compressor)
• Figure 5-23. Suction Valve (Compressor)
• 5-34. Solenoid Valves (L1 And L2).
• Installatiion
• 5-36. Thermostatic Expansion Valve (Liquid Quench)
• Figure 5-25. Thermostatic Expansion Valve (Liquid Quench)
• Removal
• Disassembly
• 5-37. Hot Gas Bypass Valve
• Figure 5-26. Hot Gas Bypass Valve
• Removal
• Disassembly
• 5-38. Thermostatic Expansion Valve (Primary)
• Figure 5-27. Thermostatic Expansion Valve (Primary)
• Follow On Procedure
• 5-39. Manual Valve (Bypass)
• Figure 5-28. Manual Valve (Bypass)
• 5-40. Vibration Eliminators.
• Figure 5-29. Vibration Eliminators
• 5-41. Condenser Fan Damper Actuator
• Figure 5-30. Condenser Fan Damper Actuator
• Removal
• 5-42. Receiver.
• Figure 5-31. Receiver
• 5-43. Distributor.
• 5-44. Pressure Regulator Valve
• Figure 5-33. Pressure Regulator Valve
• Disassembly
• Reassembly
• 5-45. Tubing And Fittings.
• 5-46. Compressor
• Figure 5-34. Compressor Oil Removal
• Figure 5-35. Adding Compressor Oil
• Removal
• Figure. 5-36. Compressor
• Repair/Replace
• Burn Out Procedure
• Follow On Procedure
• 5-47. Valve Plate Assembly.
• Figure 5-37. Valve Plate Assembly
• 5-48. Pump End Bearing Assembly.
• Figure 5-38. Pump End Bearing Head Assembly
• 5-49. Crankshaft, Pistons And Rods.
• Figure. 5-39. Crankshaft, Pistons And Rods
• Inspection
• Table 5-4. Compressor Wear Limits (Factory Tolerances In.)
• Follow On Procedure
• 5-50. Electrical Box Assembly
• Figure 5-40. Electrical Box Assembly
• 5-51. Terminal Plate
• Figure. 5-41. Terminal Plate
• Installation
• 5-52. Current Overloads (K23 And K24)
• Figure 5-42. Current Overloads (K23 And K24)
• 5-53. Condenser Coil
• Figure. 5-43. Condenser Coil
• 5-54. Evaporator Coil
• Figure. 5-4. Evaporator Coil
• Chapter 6 General Support Maintenance Section I. Repair Parts, Special Tools, Tmde, And Support Equipment
• 6-6 Rear Evaporator Panel
• Figure 6-1. Rear Evaporator Panel
• Installation
• 6-7 Thermostat Box And Cover
• Figure 6-2. Thermostat Box And Cover
• 6-8 Fresh Air Inlet Box
• Figure 6-3. Fresh Air Box
• 6-9 Fresh-Air Damper Operator Bracket.
• Figure 6-4. Fresh Air Damper Operator Bracket
• 6-10. Rear Condenser Panel
• Figure 6-5. Rear Condenser Panel
• 6-11 Fresh Air Rfi Filter
• Figure 6-6. Fresh Air Rfi Filter
• 6-12 Condenser Air Out Rfi Filter.
• Figure 6-7. Condenser Air Out Rfi Filter
• 6-13 Condenser Air In Rfi Filter
• Figure 6-8. Condenser Air In Rfi Filter
• 6-14. Rfi Filter
• Figure 6-9. Rfi Filter
• 6-15 Fuse Holder (Rfi Box)
• Figure 6-10. Fuse Holder (Rfi Box)
• 6-16.Varistors (Vr-1 Thru Vr-4).
• 6-11. Varistors (Vr-1 Thru Vr-4).
• 6-6 Rear Evaporator Panel
• Figure 6-12. Thermostatic Expansion Valve (Primary)
• Installation
• 6-18. Distributor.
• Figure 6-13. Distributor
• 6-19. Pressure Regulator Valve.
• Figure 6-14. Pressure Regulator Valve
• 6-20. Tubing And Fittings
• 6-21. Condensor Coil Removal
• Installation
• Figure 6-15. Condenser Coil Removal (Sheet 1 Of 2)
• Figure 6-15. Condensor Coil Removal (Sheet 2 Of 2)
• 6-22. Evaporator Coil Removal
• Installation
• Follow On Procedure
• Figure 6-16. Evaporator Coil Removal (Sheet 1 Of 2)
• Figure 6-16. Evaporator Coil Removal (Sheet 2 Of 2)
• Appendix A References
• Appendix B Maintenance Allocation Chart
• B-3. Explanation Of Columns In The Mac
• Section Ii Maintenance Allocation Chart
• Maintenance Allocation Chart
• Maintenance Allocation Chart
• Maintenance Allocation Chart
• Maintenance Allocation Chart
• Maintenance Allocation Chart
• Maintenance Allocation Chart
• Maintenance Allocation Chart
• Maintenance Allocation Chart
• Section Iii Tool And Test Equipment Requirements
• Tool And Test Equipment Requirements
• Section Iv. Remarks
•  Remarks
•  Remarks
• Appendix C Components Of End Item And Basic Issue Items List
• Section Iii. Basic Issue Items
• Appendix D Additional Authorization List
• Appendix E Expendable/Durable Supplies And Materials List
• Section Ii. Expendable / Durable Supplies And Material List
• Alphabetical Index
• Alphabetical Index - Continued.
• Alphabetical Index - Continued.
• Alphabetical Index - Continued.
• Alphabetical Index - Continued.
• Alphabetical Index - Continued.
• Alphabetical Index - Continued.
• Alphabetical Index - Continued.
• Alphabetical Index - Continued.
• Alphabetical Index - Continued.
• Alphabetical Index - Continued.
• Figure Fo-1. Electrical Schematic
• Figure Fo-2. Dimensions
• Figure Fo-3. Wiring Diagram. (Sheet 1 Of 2)
• Figure Fo-3. Wiring Diagram. (Sheet 2 Of 2)
• The Metric System And Equivalents

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