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The Aqua Systems
heat exchanger is suitable for use as a condenser or evaporator.
Refrigerant gas should be piped to the top refrigerant opening and
refrigerant liquid to the bottom refrigerant opening.
The Aqua Systems
Heat Exchanger can be piped for series water flow or parallel water
flow.
Series flow
is normally used on "one pass" evaporator installations where water
will leave at an above freezing temperature (some margin of safety
should be planned). Do not exceed 6 GPM flow rate. Series flow is
not recommended for models of larger capacity than S-4 / S-4R /
CN4.
Parallel flow
is normally used on "closed loop" installations regardless of water
(or fluid) temperatures and in instances where leaving water temperature
might be close to freezing on evaporator applications. Do not exceed
12GPM flow rate.
Be sure to
use vent and drain plugs
on all installations where there is a likelihood that water quality
will require freeze cleaning of the evaporator/condenser.
Carefully insulate
the entire heat exchanger on both evaporators and condensers. All
surfaces contribute to the heat exchange process and the unit will
perform noticeably better when insulated.
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