Page 2 - BUS AIR CONDITIONING
OPERATOR’S MANUAL BUS AIR CONDITIONING UNITS GEN IV & GEN V
Page 4 - NTRODUCTION; PLIT; Bus Stop
1 I NTRODUCTION S PLIT S YSTEM O PERATOR’S M ANUAL This guide has been prepared for the operator of Carrier Transport Air Conditioning systems. It contains basic instructions for the daily operation of the air conditioning system as well as safety information, and other information that will help yo...
Page 5 - AFETY; WARNING; Beware of unannounced starting of the unit. The unit
3 T--326 S AFETY Your Carrier Transport Air Conditioning system has been designed with the safety of the operator in mind. During normal operation, all moving parts are fully enclosed to help prevent injury. During all pre-trip inspections, daily inspections, and problem troubleshooting, you may be ...
Page 6 - WHAT IS AIR CONDITIONING
4 T--326 U NIT/ S YSTEM I NFORMATION 1.1 WHAT IS AIR CONDITIONING Air Conditioning is the cooling, heating, dehumidification, and filtration of the air within the passenger compartment of a vehicle. 1.2 SPLIT SYSTEM A Split System normally includes an Evaporator(s), a Condenser(s) a Compressor(s) an...
Page 7 - Figure 1-1 Component Locations
5 T--326 Air In Air Out Air In Air Out 10 1 2 3 4 5 6 7 8 9 1. Compressor 2. Electro--Magnetic Clutch 3. Discharge Line 4. Condenser 5. Filter Dryer/Sight Glass Assembly 6. Liquid Line 7. Evaporator 8. Block Valve (TXV) 9. Freezestat--(Coil freeze--up thermostat) 10. Suction Line Figure 1-1 Componen...
Page 9 - The EM--9 evaporator data tag is located on the side of the; Figure 1-5 Rear/Side Mounted Gen V Evaporators
7 T--326 Figure 1-3 Roof Mounted Condensers EM-- 9 Location Figure 1-4 Rear/Side Mounted Gen IV Evaporators NOTE The EM--9 evaporator data tag is located on the side of the evaporator assembly, not between the blower assemblies. Figure 1-5 Rear/Side Mounted Gen V Evaporators
Page 10 - SYSTEM REQUIREMENTS LABEL; The system requirements label (See Figure 1-6) is conveniently; Figure 1-6 System Requirement Label
8 T--326 1.6 SYSTEM REQUIREMENTS LABEL The system requirements label (See Figure 1-6) is conveniently located within the vehicle’s engine compartment. This label, when properly completed by the installer, will give the servicing technician the refrigerant and oil charge(s), evaporator(s), condenser(...
Page 11 - OPERATING INSTRUCTIONS
9 T--326 U NIT O PERATION 2.1 OPERATING INSTRUCTIONS Before attempting to operate the system, power must be available from the vehicle battery. If the engine is not running, start the engine. Most systems will not operate unless a signal is received to the controller from the vehicle ignition.Carrie...
Page 16 - SYSTEM; f. Annual Inspection and Maintenance
14 T--326 SYSTEM OPERATION (Continued) ON OFF OPERATION (Continued) e. Semi--Annual Inspection and Maintenance X X X X X X X Check system pressures. Check refrigerant in sight glass. Check element in the the sight glass. (Green is dry -- Yellow is wet) Inspect condenser fan blades. Open bus heater v...
Page 17 - Index 1; NDEX; Operating Instructions, 9
Index 1 I NDEX C Clutch -- Electro--Magnetic, 4Compressor, 4Condenser, 4Control Panel -- Florida, 10Control Panel -- Standard, 9 E Evaporator, 5 F Filter/Dryer, 5Fuse, In--Line, 12 I Introduction, 1 M Maintenance Schedule, 13Max System, 4Model Tag, 6 O Operating Instructions, 9 P Pre--Trip Inspectio...
Page 18 - Index 2
Index 2 I NDEX ( C ONTINUED) U Unit Information, 4Unit Operation, 9 V Valve -- Expansion/Block, 5 W Warranty/Service, 14What Is Air Conditioning, 4