BeerBlast™ 7/14KPH & N2-GEN™ 7/14KPH O&M South-Tek Systems
6
1 INTRODUCTION
1.1 PURPOSE
The BeerBlast™ 7/14KPH / N2-GEN™ 7/14KPH provide an economical, precise means of supplying mixed beer
gas to “push” the beer to the tap within restaurant and bar establishments. Beer brewers have established
recommended Carbon-Dioxide (CO2) and Nitrogen (N2) mixed gas ratios to protect the kegged product quality,
eliminating over-foaming or under-carbonation, while increasing the keg life. Precise mixed beer gas lowers
operational costs, increases yields/profits, and ultimately provides a higher level of customer satisfaction. This
system can also be used for wine or specialty mixed drink dispensing systems.
South-Tek System’s line of BeerBlast™ 7/14KPH / N2-GEN™ 7/14KPH products consist of an internal a) N2
generator, b) compressor, and c) CO2 /N2 dual output gas blender (the N2-GEN™ 14KPH does not come with a gas
blender). Since air is comprised of ~79% N2 we simply and cost-effectively separate the N2 from the air. Nitrogen
is an inert gas (non-combustible), which is even used to package food products for increased shelf life. The N2 is
“generated” by our pressure swing adsorption (PSA) technology, where compressed air cycles back and forth
between two beds. As needed, the high purity N2 is then forwarded to the integral McDantim
TM
dual output gas
blender (only in the BeerBlast™ 14KPH and 7KPH model) which precisely blends the N2 with the CO2 from the
restaurant/bar’s in house storage cylinder/tank. The standard CO2 /N2 blends available are 60% / 40% and 25% /
75%. The blends are accurate to within 2%. Custom CO2 /N2 blends are available if desired.
**The installer and the user should read this manual in its entirety.
1.2 AUDIENCE
This manual is intended for Installer/Restaurant/Bar Operator/Supervisory Staff and should be read in its entirety
prior to operation.
Please contact your local Beer Gas provider for any operation and maintenance first prior to contacting the
manufacturer.
1.3 IMPORTANT INFORMATION
Before personnel attempt to service the unit, ensure the power switch has been turned to the off position, and then
disconnect the unit’s external power cord from the building electrical power supply if possible. Always follow
specific manuals from STS when servicing your system.
The BeerBlast™ 7/14KPH / N2-GEN™ 7/14KPH produces a gas blend of Carbon Dioxide (CO2) and Nitrogen (N2)
at a low flow rate, which quickly dissipates into the air. CO2 and N2 gases are not poisonous but they should not be
directly inhaled, since in high concentrations, they can cause asphyxiation. Ensure that the unit is installed
within a well-ventilated room, one that is not sealed off from normal living space air changes.
All personnel involved with installation, operations, and maintenance of the BeerBlast™ 7/14KPH / N2-GEN™
7/14KPH must follow safe working practices, OSHA, and local health/safety code regulations during the installation,
operation, and maintenance of the unit.
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