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Fan Powered Variable Volume Terminal uniTs
INSTALLATION & MOUNTING INSTRUCTIONS
duct Connection
1.
Recommend a minimum of 3 duct diameters of straight
inlet duct, either sheet metal or flexible, same size as the
inlet, between the unit inlet and any transition, take-offs or
fittings. Use of transitions or elbows at the unit inlet to be
avoided. Where flexible duct is used it should be pulled
tight to eliminate sags or folds.
2.
To control radiated noise in critical applications it is
recommended that the inlet ducts be fabricated of
minimum 24 gauge sheet metal in place of flexible duct.
3.
To prevent excessive air leakage, all cleat joints should be
sealed with an approved duct sealer. This applies to all
accessory connections as well as the basic fan powered
terminal unit.
4.
Holes that are drilled in the duct for testing or balancing
purposes are to be sealed with duct tape or duct sealer.
electrical Connection
Disconnect all incoming power before any electrical
CauTion:
installation or service is performed on the unit(s).
1.
All field wiring is to be in accordance with the National
Electrical Code ANSI/NFPA No. 70 or the Canadian
Electrical Code, Part 1, CSA Standard C 22.1.
2.
Refer to the product identification label on each unit for
information to determine the field wire size.
3.
Check voltage requirements prior to power supply
connection. Refer to the electrical label located near the
electrical control box and also refer to the schematic
drawing provided on the underside of the electrical control
box cover.
4.
If upon energizing the electric motor excessive noise is
apparent, shut down the unit. Determine the cause by
checking for packing materials, etc. and re-energize after
corrective action has been taken.
5.
If an Electric Reheat Coil has been supplied, refer to the
electrical schematic which is permanently affixed to the
underside of the electrical control cabinet door, prior
to hook-up. Check the voltage requirements to ensure
proper voltage supply is used.
CauTion:
For three phase power connections, be sure to
account for fan motor load. Phases must be balanced
accordingly.
4
FAn Powered VArIAbLe VoLume TermInAL unITs - manual | priceindustries.com
Control Connections
Pneumatic
1.
External control air connections are provided for main air
and thermostat hook up. These are to be piped according
to the label on the inlet panel.
2.
Main air supply must be clean and dry, delivered at 15 to
25 psi (maximum 25 psi).
3.
Ensure that lines are not crimped or cut when installed.
Electronic
A wiring diagram is provided with each assembly. Follow the
diagram for wiring of the thermostat and other accessories.
Digital
If controls have been factory mounted, a wiring diagram
will be included with the unit indicating the factory mounted
components. For field wiring of room sensors and other
accessories, refer to the controls contractor's documentation
for all wiring information.
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