Data Aire gForce Ultra User Manual page 19

Drain/fill valves (field provided) should be located at the lowest point on the connected
piping.
Water/glycol cooled units are shipped with plate/fin heat exchangers as standard
equipment. A strainer (Data Aire provided) is shipped loose and is to be field installed
in the supply line with shut-off valves (field provided) before and after the strainer. The
strainers and water/glycol piping must be cleaned on a periodic basis. If the unit is
shipped with optional shell and tube condensers, strainers are not required and not
shipped with the unit.
All water pipes have a cap installed on the end of the pipe prior to shipment from the
factory for pressure testing the system.
installing the piping to the units. Use a tube cutter for smaller pipes and a reciprocating
saw with a metal cutting blade for larger pipe sizes or if there is a clearance problem.
All connections need to be cleaned before connections are brazed together.
Note:
presence of air in the condenser water loop. Air vents must be installed in
various locations the piping system to purge the air.
The water/glycol system may include a centrifugal pump (or pumps, for redundancy)
available from Data Aire as an option, along with field provided union(s), shutoff valves,
check valve(s) and a flow switch (Data Aire option). Pumps must be primed before
operating per the pump manufacturer's guidelines.
10-2014
One of the most common problems in a water/glycol system is the
These caps need to be removed before
gForce User Manual ● 19