Step 1: Disconnect power and recover refrigerant safely.
Step 2: Remove old compressor and thoroughly clean refrigeration lines carefully.
Step 3: Mount compressor securely on vibration-damping pads and level base.
Step 4: Braze suction and discharge lines using nitrogen purge to prevent oxidation.
Step 5: Install correct compatible filter-drier and verify flow direction.
Step 6: Evacuate system to a deep vacuum and hold test.
Step 7: Charge with refrigerant per manufacturer specs slowly.
Step 8: Restore power and check pressures and leaks carefully.