Page: 27
REFILL MANUAL FOR 3M™ NOVEC™ 1230 FIRE PROTECTION FLUID
Revision E
Document # DOC181
Issued: May 31, 2011
Revised: June 23, 2020
Section 5 System Recharge and Reset
5.2.3 Recharge Procedure
• Follow the procedures outlined in Section 4 of this manual to fill the cylinder to the correct amount by
weight and pressurize the cylinder assembly to 360 psig at 70°F. See the cylinder label for fill weight
and fill to a minimum of the stamped fill weight and no more than ¼ pound (4 oz) (113 g) above the
stamped fill weight. e pressure gauge on the cylinder shall not be used to determine when the proper
charge pressure has been reached. A pressure regulator must be used when the pressure source is a tank
of high pressure gas.
• Replace the charged cylinder in the bracket and follow procedures outlined in Section 4 and Section 5
of the Installation Manual, DOC108, to reinstall the system.
• Inform appropriate personnel that the system is back in service.
Table 5.2.2 Clean Agent Valve Replacement Components
Part Description Sv P/N Mv P/N Lv P/N
Collar O-ring 17551 18400 18400
Upper Piston O-ring 17552 18475 18398
Lower Piston O-ring 17553 18476 18399
Valve Cap O-ring 17551 18399 18397
Valve Core 16999 16999 16999
Piston Removal Tool 97642 97642 97642
Piston Key 97609 97608 97607
Piston Assembly 17335 18471 18393
Valve Rebuild Kit
1
17030 19019 19020
1
Valve Rebuild Kit includes the appropriate collar O-ring, valve cap O-ring, piston assembly (with upper
and lower piston o-ring), and valve core for the cylinder valve indicated by the kit part number.