Carrier VAV Boxes
Carrier variable air volume terminals deliver precise airflow control, energy efficiency, and reliable performance with a focus on occupant comfort and indoor air quality.
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Popular Models
Technical Specifications
Capacity & Efficiency
Airflow & Pressure
Dimensions
Power Requirements
Common Issues & Solutions
Damper actuator malfunction
Symptoms:
Erratic airflow control, inability to maintain setpoint, hunting behavior, actuator hum
Solution:
Verify control signal to actuator, check for obstructions in damper movement, test actuator response through full range, replace actuator if non-responsive or if travel is limited, ensure proper mounting.
Fan motor failure in fan-powered boxes
Symptoms:
No secondary airflow, tripped breaker, overheating, noise from motor/bearings
Solution:
Check power to motor, inspect capacitor in PSC motors, verify ECM control signals, test motor windings, ensure proper airflow path is clear, replace motor if electrical tests indicate failure.
Electric reheat element problems
Symptoms:
No heat output, partial heating, tripped thermal cutout, electrical burning smell
Solution:
Inspect elements for damage, verify proper voltage, check thermal cutout operation, test staging relays and contactors, ensure adequate airflow across elements, replace damaged components.
Cost Information
| Service | Average Cost | Cost Factors |
|---|---|---|
| VAV box replacement | $1,800-$4,500 | Box size, reheat type, control package, accessibility, ceiling type and reconstruction needs |
| Controller and actuator upgrade | $700-$1,600 | Controller type, communication requirements, actuator specifications, programming complexity |
| Preventive maintenance inspection | $150-$350 per box | Service contract status, box type (fan-powered vs. standard), testing scope |
| Reheat coil replacement | $800-$2,200 | Coil type (electric/hydronic), capacity, access requirements, control valve replacement |
Frequently Asked Questions
What configurations are available for Carrier VAV terminals?
Carrier offers multiple VAV configurations including single-duct, dual-duct, fan-powered (series and parallel), retrofit, and dual-minimum units. They are available with various reheat options (electric, hot water, steam) and in sizes from 4-16 inches with airflow capacities from 80-8,000 CFM.
How do Carrier VAV boxes integrate with building management systems?
Carrier VAV terminals can integrate with various BMS platforms through factory-installed controls with BACnet MS/TP or IP communication, Carrier's i-Vu building automation system for comprehensive monitoring and control, and third-party controllers for projects requiring specific integration capabilities.
What are the sound performance characteristics of Carrier VAV terminals?
Carrier VAV terminals feature aerodynamic primary air valves that minimize turbulence, double-wall construction with fiberglass insulation to attenuate noise, discharge sound attenuators as factory options, carefully designed flow sensors with minimal pressure drop, and published sound data for both discharge and radiated noise paths.
What energy-saving features do Carrier VAV terminals incorporate?
Carrier VAV terminals include high-efficiency ECM motors in fan-powered boxes, low-leakage damper designs, pressure-independent operation to maintain efficiency at varying duct pressures, precise digital controls that optimize airflow, and compatibility with advanced energy-saving sequences like supply pressure reset.
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