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T309
TABLE OF CONTENTS (cont)
SERVICE 6-1....................................................................................
6.1 SECTION LAYOUT 6-1............................................................
6.2 SERVICE VALVES 6-1.............................................................
6.3. MANIFOLD GAUGE SET 6-1.......................................................
6.4 PUMPING THE UNIT DOWN 6-2....................................................
6.5 REFRIGERANT LEAK CHECKING 6-3...............................................
6.6 EVACUATION AND DEHYDRATION 6-3.............................................
6.6.1 General 6-3....................................................................
6.6.2 Preparation 6-3.................................................................
6.6.3 Procedure - Complete system 6-3..................................................
6.6.4 Procedure - Partial System 6-4.....................................................
6.7 REFRIGERANT CHARGE 6-5.......................................................
6.7.1 Checking the R efrigerant Charge 6-5................................................
6.7.2 Adding Refrigerant to System (Full Charge) 6-5.......................................
6.7.3 Adding Refrigerant to System (Partial Charge) 6-5.....................................
6.8 COMPRESSOR -- Model RSH105 6-5.................................................
6.8.1 Removal and Replacement of Compressor 6-5........................................
6.9 COMPRESSOR OIL LEVEL 6-7.....................................................
6.10 HIGH PRESSURE SWITCH 6-7......................................................
6.10.1 Replacing High Pressure Switch 6-7................................................
6.10.2 Checking High Pressure Switch 6-8................................................
6.11 CONDENSER COIL 6-8............................................................
6.12 CONDENSER FAN AND MOTOR ASSEMBLY 6-8.....................................
6.13 FILTER-DRIER 6-8................................................................
6.14 EXPANSION VALVES 6-9..........................................................
6.14.1 Checking Superheat. 6-9.........................................................
6.14.2 Valve Replacement 6-9..........................................................
6.15 EVAPORATOR COIL AND HEATER
ASSEMBLY 6-10........................................................................
6.15.1 Evaporator Coil Replacement 6-10..................................................
6.15.2 Evaporator Heater Replacement 6-10................................................
6.16 ECONOMIZER, UNLOADER, LIQUID INJECTION AND OIL RETURN SOLENOID VALVE 6-11
6.17 EVAPORATOR FAN AND MOTOR ASSEMBLY 6-11....................................
6.17.1 R eplacing The Evaporator Fan Assembly 6-12.........................................
6.18 EVAPORATOR FAN MOTOR CAPACITORS 6-12.......................................
6.18.1 When To Check For A Defective Capacitor 6-12.......................................
6.18.2 R emoving The C apacitor 6-12......................................................
6.18.3 C hecking The Capacitor 6-12......................................................
6.19 VALVE OVERRIDE CONTROLS 6-13.................................................
6.20 SUCTION MODULATION VALVE 6-13................................................
6.20.1 Precheck Procedure 6-14..........................................................
6.20.2 Checking The Stepper valve 6-14...................................................
6.21 CONTROLLER AND EXPANSION MODULE 6-14......................................