Deskripsyon
The 45Q fan-powered units are designed to maintain optimum temperatures in the conditioned zone through recirculation of plenum return air and accurate control of primary air (cooling) to the zone. The 45Q units offer excellent performance characteristics and affordability in a compact unit with a low height of 10-5/8 inches.
Performance Features
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Fan airflow capacities from 310 to 1550 CFM
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Primary airflow capacities from 52 to 1430 CFM
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Available in 4 sizes
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20 gage, galvanized steel casing construction
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Suitable for low, medium, or high pressure applications
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Linear, multiple-point, averaging velocity sensor with an amplified signal
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Damper blade has a flexible gasket for tight airflow shutoff
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Damper blade operates over a full 90 degrees
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All damper assemblies utilize a solid ½ in. shaft that rotates in self lubricating Delrin® bearings
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Pressure independent controls, including Carrier i-Vu Open (BACnet), Carrier Comfort Network® (CCN), analog, or pneumatic controls
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Electric or hot water reheat coils
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Multiple casing liners available
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Electric heat (1 to 3 stages) or proportional heat
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Unit casing lined with ½ in. thick, 1-1/2 lb dual density fiberglass insulation that meets UL 181 and NFPA 90A
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Certified performance in accordance with ARI Standard 880
Reliability Features
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20 gage, galvanized steel heaters are ETL listed in accordance with UL standards
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Heaters equipped with:
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Primary automatic and secondary manual reset thermal cutout
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Deenergizing magnetic contactors
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Airflow proving switch
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80/20 Ni-Cr elements
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Strong integral panel/post construction for product durability
Maintenance Features
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NEMA 2 steel control enclosure for electric or electronic components
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Removable bottom access panel for easy accessibility during routine inspections and maintenance
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Label information adhered to each unit includes model, size, airflow (cfm), balancing chart, and tagging data
Installation Features
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Rectangular discharge with slip and drive connections provides quick and easy connection to downstream ductwork
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10-5/8 in. high unit casing accommodates installation in reduced ceiling plenum space
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Factory-installed controls
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All round collars accommodate standard spiral and flex duct sizes
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Balancing taps provided for easy airflow verification
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Single point electrical connection
Factory-Installed Options
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Control options:
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Analog electronic controls
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Carrier i-Vu Open VAV or VVT Controls
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Carrier Comfort Network (CCN) VAV or VVT Controls
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Pneumatic controls
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No controls or field-supplied DDC (direct digital controls) third party controls for factory mounting
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Left-hand or right-hand control enclosure (dust-tight)
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Hanger brackets
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Hot water coils (1 or 2 rows)
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Liner options:
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1 in. thick, dual density fiberglass
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Cellular
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Foil encapsulated fiberglass
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None
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Cam locks (bottom access panel)
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Vent and drain on water coils
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Electric heat (1 to 3 stages)
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Proportional SSR (solid-state relays) electric heat
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Electric heater options:
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Fused door interlocking disconnect switch
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Non-fused door interlocking disconnect switch
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Mercury contactors
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Fuse block with fuses for primary overload protection
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Dust-tight construction
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Motor fusing
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Recirculated air filter
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ECM (electronically commutated motor) motors
Field-Installed Accessories
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Remote wall sensor
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Supply-air temperature sensor
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CO2 sensor
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