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r <br /> F <br /> r <br /> 2. Evacuate refrigerant system with vacuum pump; until temperature of 35 deg F is indicated on vacuum <br /> dehydration indicator. ' <br /> 3. During evacuation,apply heat to pockets,elbows,and low spots in piping. <br /> r <br /> 4. Maintain vacuum on system for minimum of 5 hours after closing valve between vacuum pump and system <br /> 5. Break vacuum with refrigerant gas,allow pressure to build up to 2 psi. <br /> 6. Complete charging of system,using new filter dryer core in charging line. Provide full operating charge. <br /> B. Train Owner's maintenance personnel on procedures and schedules related to start-up and shut-down, <br /> r troubleshooting, servicing, and preventative maintenance of refrigerant piping valves and refrigerant piping <br /> specialties. <br /> C. Review data in Operating and Maintenance Manuals. Refer to Division 1 section"Project Closeout." , <br /> l <br /> F <br /> D. Schedule training with Owner through the Architect,with at least 7 days advance notice. , <br /> F <br /> END OF SECTION 15530 <br /> i <br /> r <br /> r <br /> F <br /> n <br /> 15530-8 No.99132-CP2 <br />