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Greenheck Coils User Manual

Page 4

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Page 4 of 7

IOM, Rev. 2, November 2007

Copyright © Greenheck Fan Corporation

C. Control


1. With coils arranged for series airflow, a separate control is required on each bank, or coil, in the

direction of airflow.


2. On high-pressure installations, a two-position steam valve with a face and bypass arrangement is

preferred where modulating control is required.

3.

Modulating valves must be sized properly—DO NOT OVERSIZE