Price Antec Controls VENTURI VV Series, Руководство пользователя

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VV
14 | VV – Manual | AntecControls.com
Installation
STEP 1
Hot water coils are only available in supply orientation and should always be located down
stream of the supply Venturi Valve.
STEP 2
For single VVHWC’s, position the bead connection so that it faces the airflow.
For multibody VVHWC’s, position the slip connection so that it faces the airflow.
NOTE: Both single and multibody valves have slip and drive connections that will face down
stream of the airflow.
STEP 3
Before installing the plumbing connections for the VVHWC, check the coil hand designation
and ensure that it matches the system.
Generally, coils are plumbed with the supply connection located on the bottom of the leaving
air-side and the return connection at the top of the entering air-side of the coil to provide
counter flow heat exchange and positive coil drainage.
For one or two row water coils both parallel and counterflow orientations are acceptable,
however, for three or four row water coils only counterflow orientation is acceptable.
If a universal coil is supplied, cap off the two unused connections.
The coils inlet for the heating medium is provided with copper connectors with the
customers requested ends. If pipe fittings have been furnished, use a back-up wrench to
install or un-install the coil.
NOTE:
The configuration of the coil connection varies with size, type, and circuitry of coil.
STEP 4
Maintain proper clearance (minimum 1.5”) between the coil and other structures such as the
fan, filter racks, transition areas, etc.
STEP 5
Mount the coil firmly and level to ensure it’s secure in its location and it’s able to drain.
Use the support method prescribed for the duct work in the job specifications.
Coils with intermediate headers can be pitched 1/8” per foot of coil finned length towards
the coils header/connection end.
The system must be adequately vented to operate effectively.
STEP 6
All field piping must be self-supporting. System piping should be flexible enough to allow for
thermal expansion and contraction of the coil.
STEP 7
If freezing is likely, blow compressed air into the coil. This will ensure that it has been
thoroughly drained.
Anti-freeze protection should be added if needed.