Carrier 68RF50 Neoplan-LA- Manuals

Page 2 - BUS AIR CONDITIONING UNIT; MODEL

OPERATION AND SERVICE MANUAL Carrier Transicold Division, Carrier Corporation, P.O. Box 4805, Syracuse, N.Y. 13221 Carrier Corporation 1996 D Printed in U. S. A. 0496 BUS AIR CONDITIONING UNIT MODEL 68RF50 NEOPLAN-LA

Page 3 - TABLE OF CONTENTS

i TABLE OF CONTENTS Section Page 1 DESCRIPTION 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.1 Introduction 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 4 - LIST OF ILLUSTRATIONS; Figure

ii TABLE OF CONTENTS (CONT’D) Section Page 4 SERVICE (CONT’D) 4-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.17 Removing the Condenser Fan Motor 4-10 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4.18 ...

Page 5 - LIST OF TABLES; Table

iii/iv LIST OF TABLES Table Page 1-1 Model Chart 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2 Additional Support Manuals 1-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3 ...

Page 11 - b. Condenser Fan Motor

1-6 1.3 ELECTRICAL SPECIFICATIONSa. Evaporator Blower Motor Evaporator Motor Brushless Bearing Lubrication Factory Lubri- cated (addi- tional grease not required) Horsepower 0.6 Full Load Amps (FLA) 20 Operating Speed (RPM) 2200 Voltage 27-vdc Dropping Resistor 0.6-ohms 300-watts b. Condenser Fan Mo...

Page 14 - REHEAT COOLANT VALVE; INLET

1-9 1.6 REHEAT COOLANT VALVE The Reheat Coolant Valve (RCV) is located in the evaporator section of the unit on the roof of the bus. (See Figure 1-1.) The valve is an electrically operated solenoid valve controlled by thermostat command. The RCV controls the coolant flow to the heater coil during he...

Page 15 - REFRIGERATION FLOW CYCLE

1-10 1.10 REFRIGERATION FLOW CYCLE Figure 1-6. Refrigeration Cycle Diagram 1 2 3 4 5 6 7 8 9 11 12 13 14 16 18 19 20 10 15 1. Evaporator Coils 2. Inline Sight Glass 3. Low Pressure Service Port 4. Expansion Valves 5. Filter-Drier Outlet Valve 6. Filter-Drier 7. Filter-Drier Inlet Valve 8. Receiver 9...

Page 16 - NOTE

2-1 SECTION 2 OPERATION 2.1 STARTING AND STOPPING INSTRUCTIONSa. Starting 1. Start the vehicle engine.2. Switch the driver’s A/C Switch (ACS) to the desired mode of operation (COOL or HEAT position). NOTE The Run Control Switches (RCS1 and RCS2), one located in the return air opening and one located...

Page 19 - Energized Circuit

2-4 Figure 2-4. Cooling Cycle --- High Speed Vent Mode Operation Energized Circuit De-energized Circuit

Page 32 - b. Adding a Partial Charge

4-5 1 2 3 4 5 6 7 1. Condenser Coils 2. Filter-Drier Outlet Service Valve 3. Filter-Drier 4. Filter-Drier Inlet Service Valve 5. Receiver 6. Thermostatic Expansion Valves 7. High Pressure Service Port 8. Low Pressure Service Port 9. Discharge Service Valve 10. Suction Service Valve 11. Compressor 12...

Page 36 - SERVICING THE REHEAT COOLANT VALVE; a. To replace a burnout coil, it is not necessary to drain; Figure 4-9. Reheat Coolant Valve Assembly

4-9 4.15 SERVICING THE REHEAT COOLANT VALVE The coolant valve requires no maintenance unless a malfunction to the internal parts or coil occurs. This may be caused by foreign material such as: dirt, scale, or sludge in the coolant system, or improper voltage to the coil. To service the valve include...

Carrier 68RF50 Neoplan-LA- Manuals

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User Manual Carrier 68RF50 Neoplan-LA

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