Carrier Fan Coil Units
Carrier fan coil units offer efficient, whisper-quiet operation with advanced airflow design, optimized coil configurations, and flexible installation options for hydronic heating and cooling applications.
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Popular Models
Technical Specifications
Capacity & Efficiency
Airflow & Pressure
Dimensions
Power Requirements
Common Issues & Solutions
Clogged condensate drain
Symptoms:
Water leakage, overflow switch trips, water stains, mold growth, musty odors
Solution:
Clean condensate drain line with compressed air or drain cleaning solution, check primary and secondary drain pans for debris, verify proper trap depth, consider chemical tablets to prevent future buildup.
Control valve failure
Symptoms:
Poor temperature control, inconsistent heating/cooling, water hammer, valve leakage
Solution:
Verify proper valve operation by checking control signal, inspect valve body for damage or debris, rebuild or replace valve assembly, ensure proper valve sizing and actuator function.
Motor failure
Symptoms:
Unit not operating, unusual noises, vibration, overheating, circuit breaker trips
Solution:
Check electrical connections and voltage, verify proper capacitor function (if applicable), check for mechanical obstructions, lubricate bearings if accessible, replace motor if windings are damaged.
Cost Information
| Service | Average Cost | Cost Factors |
|---|---|---|
| Filter replacement program | $100-$300 per unit annually | Filter type, replacement frequency, accessibility, number of units serviced together |
| Coil cleaning | $150-$400 per unit | Unit location, coil condition, cleaning method required, drain pan condition |
| Fan coil replacement | $2,000-$5,000 | Unit size, location, configuration, control requirements, piping modifications needed |
| Control upgrade | $500-$1,500 per unit | Controller type, sensors required, communication protocols, programming complexity |
Frequently Asked Questions
What types of fan coil units does Carrier offer?
Carrier offers multiple configurations including vertical stack, horizontal concealed, cabinet, wall-mounted, and ceiling cassette models. Units are available with 2-pipe or 4-pipe hydronic connections, with capacities ranging from 200-3,000 CFM to suit diverse applications from hotel rooms to commercial spaces.
How do Carrier's ECM motors improve fan coil efficiency?
Carrier's ECM (Electronically Commutated Motor) technology provides up to 70% energy savings compared to traditional PSC motors. These brushless DC motors maintain consistent airflow regardless of static pressure changes, offer precise speed control, run cooler, and provide longer service life with quieter operation.
What control options are available for Carrier fan coil units?
Carrier offers multiple control options including factory-installed DDC controllers compatible with BACnet/Modbus, communicating thermostats, stand-alone controls, on-board relay boards, and integration with Carrier's i-Vu building automation system for optimal comfort and efficiency.
How are Carrier fan coil units maintained?
Maintenance includes quarterly filter replacement, annual coil cleaning, condensate drain inspection/cleaning, motor lubrication (if applicable), electrical connection verification, blower wheel cleaning, and control system checkout. Units with accessible designs simplify these maintenance tasks.
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