REFRIGERATION ENGINEERING
CONTENTS INTRODUCTION THE SERVICE ENGINEER INSTALLATION PROCEDURES VAPOUR COMPRESSION SYSTEMS PART ONE SERVICING SERVICE VALVES AND GAUGES SYSTEM SERVICE VALVES SERVICE GAUGE MANIFOLD FITTING GAUGES REMOVING GAUGES OTHER VALVES REFRIGERANT LEAK DETECTION DYE SYSTEMS TEST PRESSURES METHODS OF TESTING PRESSURE LEAK TESTING HANDLING REFRIGERANTS: SAFETY PRECAUTIONS PUMPING DOWN AND CHARGING PUMPING DOWN ADDING REFRIGERANT VAPOUR CHARGING LIQUID CHARGING REFRIGERANT CYLINDERS AND FILL RATIO OPERATING PRINCIPLES AND SYMPTOMS TEMPERATURE, HUMIDITY AND AIR MOTION IN FOOD STORAGE CALCULATING THE OPERATING HEAD PRESSURE COMPRESSOR PRESSURE RATIO SYMPTOMS OF SYSTEM FAULTS SERVICE DIAGNOSIS AND REPAIRS PRESSURE DROP: EXTERNAL EQUALIZING SUCTION LINE FROSTING DISTRIBUTOR REFRIGERANT CONTROL REPLACING A THERMOSTATIC EXPANSION VALVE REPLACING THE FILTER DRIER LOW SIDE PURGING MOISTURE IN THE SYSTEM COMPRESSOR EFFICIENCY TEST REMOVING COMPRESSOR VALVE PLATE ASSEMBLY REMOVING A COMPRESSOR ROTARY SHAFT SEAL EXCESSIVE OPERATING HEAD PRESSURE HIGH SIDE PURGING WATER COOLED CONDENSERS: SCALE AND CORROSION COMPRESSOR MOTOR BURN-OUT: SYSTEM FLUSHING PRESSURE CONTROLS MOTOR CYCLING CONTROLS: THERMOSTATS SYSTEM FAULTS NOISE SEVEN SIMPLE STEPS FOR SERVICE DIAGNOSIS ELECTRICAL EQUIPMENT AND SERVICE DESCRIPTION SERVICE EQUIPMENT CURRENT RELAY POTENTIAL (VOLTAGE) RELAY SOLID STATE STARTING DEVICES CAPACITORS CENTRIFUGAL SWITCH (OPEN-TYPE MOTORS) MOTOR PROTECTION ELECTRICAL TEST PROCEDURES DOMESTIC REFRIGERATORS AND FREEZERS APPLIANCE SYSTEMS COMPONENTS AND OPERATIONS ELECTRICAL FAULTS DECONTAMINATING DOMESTIC SYSTEMS REFRIGERANT CHARGING IN DOMESTIC APPLIANCES THE DOMESTIC ABSORPTION SYSTEM FAULT FINDING GUIDE FOR VAPOUR COMPRESSION SYSTEMS VISUAL FAULT FINDING CONTENTS PRESSURES ADVANCED DIAGNOSIS SINGLE PHASE/THREE PHASE MOTOR COMPRESSORS AND REMOTE-DRIVE MOTORS PART TWO INSTALLATION AND COMMISSIONING PIPEWORK AND OIL TRAPS INSTALLATION PRINCIPLES PIPEWORK FITTINGS PIPEWORK SUPPORTS PIPEWORK ROUTES OIL TRAPS OIL SEPARATORS DISCHARGE LINE MUFFLERS PARALLEL PIPEWORK PIPEWORK ASSEMBLY SYSTEM CONTROL VALVES CRANKCASE PRESSURE REGULATOR EVAPORATOR PRESSURE REGULATOR WATER REGULATING VALVE REVERSING VALVE FUSIBLE PLUGS OTHER SYSTEM COMPONENTS SOLENOID VALVE CRANKCASE HEATER CHECK VALVE SIGHT GLASS FILTER DRIER OIL PRESSURE FAILURE SWITCH DRIVE BELTS AND COUPLINGS DRIVE BELTS DRIVE COUPLINGS ELECTRICAL CIRCUIT PROTECTION FUSES CIRCUIT BREAKERS DRIVE MOTORS INSTALLATION DETAILS THREE PHASE ELECTRICAL CONNECTIONS COMMISSIONING OF REFRIGERATING SYSTEMS CONTAMINANTS EVACUATION COMMISSIONING CHECKS OIL ADDITION AND REMOVAL ENVIRONMENTAL IMPACT OF CFCS GOOD REFRIGERATION PRACTICE FOR CFC SYSTEMS REFRIGERANT RECOVERY SYSTEM PART THREE REPLACEMENT REFRIGERANTS AND OZONE DEPLETION OZONE DEPLETION THE MONTREAL PROTOCOL NEW AND REPLACEMENT REFRIGERANTS ZEOTROPIC BLENDS REFRIGERANT BLENDS RECLAIMING THE REFRIGERANT CHANGING THE REFRIGERANT CHARGE COMPRESSOR LUBRICATING OILS DOMESTIC AND COMMERCIAL SEALED HERMETIC SYSTEMS