User's Manual

Installation

P/N 81-CO2MAN-001 4-5 September 2013

4-3.4 Manifold “Y” Fitting

When the carbon dioxide system consists of two (2) cylinders this fitting (P/N 207877) may be

used to connect the Flex Hoses to the pipe network riser.

Refer to Paragraph 4-3.6 for information on Flex Hose installation.

Figure 4-2. Manifold “Y” Fitting

4-3.5 Carbon Dioxide Cylinder Assemblies

The carbon dioxide cylinders must be located as close to the hazard area as possible. The

cylinders must be located in an environment protected from the weather and where ambient

storage temperatures for, (a) local application systems shall not exceed 120°F (49°C) nor be

less than 32°F (0°F); and (b) total flooding systems shall not exceed 130°F (54°C) nor be less

than 0°F (-18°C). External heating or cooling may be required to maintain this temperature

range.

Orient the cylinders according to the approved installation drawings. Mount the cylinders

securely to the structural supports with the straps and/or brackets provided. Elevate the

cylinders at least two inches off the floor if moisture is present. Locate the cylinder straps as

shown in Figure 4-3 and Figure 4-5. For other strap and bracketing arrangements refer to

Figure 4-5 through Figure 4-20.



Quincy, MA 02169. This reprinted material is not the complete and official position of the NFPA on the referenced subject, which is represented

only by the standard in its entirety

WARNING

Each cylinder strap and/or bracket must be securely attached to structural

supports to absorb the force generated by cylinder discharge.

207877

3/4 in. NPT FEMALE(DN20)

3/4 in. (DN20) NPT FEMALE