TABLE OF CONTENTS
INSTALLATION AND PREPARATION FOR USE
Running-in oil filter has to be installed after an overhaul or big repair
Moving instructions and storage
Hoisting and moving instructions
Mounting the base frame on a concrete block
Mounting bare compressor on a concrete block
Connecting to refrigerating system pipework
Torques for factory supplied check valve / stop valve assembly
Separately delivered components
Leak test of compressor and system
EVACUATION/DRYING THE REFRIGERATING SYSTEM
Adjustment of instruments and safety devices
RE-ADJUSTMENT OF OIL PRESSURE REGULATORS
Checking direction of rotation of motor shaft
Installing the drive guards (if present)
Limitations of part load operation and start-up
WIRING LOGIC NORMALLY OPEN UNLOADED START SOLENOID
Frequency controlled compressor
Starting and stopping procedures
Restart after a short standstill period of time (less than 1 month)
Restart after a long standstill period of time
INSPECTION AND TROUBLE SHOOTING
Survey of periodical inspections
Check list periodical inspection
STEPS FOR LONGER SHUT-DOWN PERIODS (> 6 months)
Topping up oil with compressor operating
EVACUATION, LEAK TESTING AND START-UP OF THE COMPRESSOR/PACKAGE
EVACUATION OF REFRIGERANT BEFORE SERVICING
LEAK-TIGHTNESS AFTER SERVICING
DISMANTLING, INSPECTION AND RE-ASSEMBLY OF SUCTION AND DISCHARGE VALVES
TROUBLESHOOTING TABLE GRASSO RECIPROCATING COMPRESSORS
P-NL-094_imm_VHS_English_13
26.07.2021
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