Caron 6404-4 - Manual (Page 16)

6400/6404 Series Operations Manual Page 16 of 54
Rev F 09/18/14
Low levels of oxygen can cause suffocation.
The use of O
2
monitors and alarms is
recommended for areas where N
2
is used to
suppress oxygen
The N
2
gas supply should be 99.5% pure and
should not contain a siphon tube. Install a 2
stage gas pressure regulator with a maximum
adjustment of 25 psi. Inlet pressure must be
regulated to 15 psi.
If the unit is equipped with an optional built in gas guard system, there will be 2 gas
inlets. Each of the inlets should be connected to an individual gas tank as described
above.
Connecting a N
2
supply (for suppressed O
2
6404 models)
The N
2
supply should be 99.5% and not have siphon tubes. Regulate N
2
pressure to 15
psi. N
2
tank regulators are available to purchase through CARON customer service.
Once the cylinder regulator is installed, connect the outlet of the regulator to the hose
barb fitting using the tubing and clamps provided. An inline HEPA filter is provided to
remove any contaminants in the N
2
gas supply. Check the connections closely for leaks.
If the unit is equipped with an optional built in gas guard system, there will be 2 gas
inlets. Each of the inlets should be connected to an individual gas tank as described
above.