MIL-HDBK-1003/3
Reprinted by permission of ASHRAE, from ASHRAE Handbook, Fundamentals.
a)
Hot Water Piping to Coil. Water coils will not perform if there
is air in the
piping. Ensure that the piping from the main, to the coil, and
to the return
main is appropriately sloped up and vented to eliminate
that can air lock the flow.
b) Hot Water Coil Selection. Consult the manufacturer's catalog
data to decide the best selection, number of rows, parallel or counter flow,
turbulators or serpentines, and other selection information. Using the
appropriate type, make the coil selection:
(1)
Capacity required
(2)
Water temperature in and out
(3)
Air temperature in and out
(4)
Airflow
(5)
Water flow
(6)
Air pressure drop
72
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