Daikin Fan Coil Units
Daikin fan coil units combine energy efficiency with flexible design options, offering superior comfort with advanced motor technology and comprehensive control integration capabilities.
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Popular Models
Technical Specifications
Capacity & Efficiency
Airflow & Pressure
Dimensions
Power Requirements
Common Issues & Solutions
PCB control board failure
Symptoms:
Unit unresponsive, error codes, intermittent operation, LED blinking patterns
Solution:
Check input power quality, inspect for moisture damage or overheating signs, verify proper connections, update firmware if available, replace PCB if troubleshooting indicates board failure.
Fan motor bearing failure
Symptoms:
Unusual noise, vibration, motor overheating, reduced airflow, eventual motor stoppage
Solution:
Lubricate bearings if possible, check for proper alignment, inspect for mechanical damage, verify proper voltage, replace motor if bearings are extensively damaged.
Condensate pump malfunction
Symptoms:
Water leakage, high water level alarms, overflow, pump running continuously, noise
Solution:
Clean pump reservoir and check valve, verify float switch operation, ensure proper drain line routing without restrictions, check electrical connections, replace pump assembly if damaged.
Cost Information
| Service | Average Cost | Cost Factors |
|---|---|---|
| Annual maintenance | $180-$400 per unit | Unit size, location, service frequency, number of units |
| Coil replacement | $700-$2,000 | Unit model, coil type, labor complexity, refrigerant requirements |
| Controls upgrade | $400-$1,200 per unit | Controller type, sensors needed, communication protocols, programming |
| Complete refurbishment | $1,200-$3,000 | Unit condition, parts needed, labor requirements, testing |
Frequently Asked Questions
What's unique about Daikin's fan coil technology?
Daikin's fan coil units feature high-efficiency coil designs with optimized fin spacing, DC inverter fan motors for precise speed control, sound-optimized blower wheels, multiple filtration options including electrostatic and MERV 13, and flexible connection configurations for various hydronic and refrigerant systems.
Can Daikin fan coils work with chilled water and refrigerant systems?
Yes, Daikin offers both hydronic fan coils for chilled/hot water systems and direct-expansion fan coils that connect to VRV/VRF refrigerant systems. Some models can be configured as dual-source units with both hydronic coils and DX coils for maximum flexibility.
What control options are available for Daikin fan coil units?
Daikin offers multiple control options including Navigator wall-mounted controllers, Touch Screen thermostats, BACnet/Modbus interfaces, wireless remote controllers, centralized control via intelligent Touch Manager, and cloud-based remote monitoring and control through Daikin Cloud Service.
How do Daikin's fan coil units improve indoor air quality?
Daikin FCUs include self-cleaning filter options, titanium apatite photocatalytic air purification filters, anti-bacterial drain pan treatments, optional UV germicidal lamps, outside air connection capabilities, and can be integrated with Daikin's air purification technology in select models.
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