REVISION HISTORY
Manual P/N: 06-215
Document Name: DESIGN, INSTALLATION, AND MAINTENANCE MANUAL
FOR ENGINEERED HFC-227ea SYSTEMS
Original Release Date..........................................................................................................................February, 2001
Revision / Description of Change Revision Date
Revision A................................................................................................................................................... April, 2002
1) Added reference to 4BW500 containers to Section 1
2) Moved details on 4BA500 containers to Appendix B
Revision B....................................................................................................................................................July, 2003
1) Add low pressure switch to Section 1 & 4
2) Add back to back 180° nozzles to Section 2
Revision C ................................................................................................................................................March, 2004
1) Changed minimum design concentration in Section 2 for Class A hazards
2) Revised sample problem in Section 3
Revision D ...................................................................................................................................................May, 2005
1) Updated 10, 20 & 35-lb container information in Section 1 and 4
Revision E...................................................................................................................................................June, 2006
1) Add notes to par 2.7.4 on page 15 and par 2.8.5 on page 22, of Design Section regarding 10 pipe dia.
limitation for back to back 180 degree nozzles
Revision F...................................................................................................................................................June, 2009
1) Added 3/8” Sch 40 & Sch 80 pipe to paragraph 4.4, Section 4
2) Changed Mounting Bracket information in Section 1 & 4
3) Removed 10 lb. Container from Manual
4) Removed Notes (Class C energized hazards) under paragraph 2.2.2 in Section 2
5) Added reference to ULC and TC to manual
6) Updated information on 1” & 2” Check Valves in Section 1 & 2
7) Reformatted Nozzle information
8) Removed reference to 4B500/4BM500 in paragraph 1.5.2, Section 1
Revision G .............................................................................................................................................January, 2010
1) Added threaded valve information to Sections 1, 2 and 4
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