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KHF - SERIES A FAN COIL UNITS
INSTALLATION, OPERATION, AND MAINTENANCE MANUAL
A complete knowledge of the hydronic system, its
components, and controls is essential to proper water system
balancing and this procedure should not be attempted by
unqualified personnel. The system must be complete and
all components must be in operating condition BEFORE
beginning water system balancing operations.
Each hydronic system has different operating characteristics
depending on the devices and controls in the system. The
actual balancing technique may vary from one system to
another.
After the proper system operation is established, the
appropriate system operating conditions such as various
water temperatures and flow rates should be recorded in a
convenient place for future reference.
Before and during water system balancing, conditions may
exist which can result in noticeable water noise or undesired
valve operation due to incorrect system pressures. After the
entire system is balanced, these conditions will not exist on
properly designed systems.
Before proper control operation can be verified all other
systems must be in proper operation. The correct water and
air temperatures must be present for the control function
being tested. Some controls and features are designed to
not operate under certain conditions.
A wide range of controls and electrical options and
accessories may be used with the equipment covered
in this manual. Consult the approved unit submittals,
order acknowledgement, and other manuals for detailed
information regarding each individual unit and its controls.
Since controls and features may vary from one unit to
another, care should be taken to identify the controls to
be used on each unit and their proper control sequence.
Information provided by component manufacturers
regarding installation, operation, and maintenance of their
individual controls is available upon request.
WATER SYSTEM BALANCING CONTROLS OPERATION
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