
Carrier Chillers
Carrier offers innovative chiller solutions ranging from scroll to centrifugal technologies, optimized for efficiency, reliability, and environmental stewardship across diverse applications.
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Popular Models
Technical Specifications
Capacity & Efficiency
Airflow & Pressure
Dimensions
Power Requirements
Common Issues & Solutions
Evaporator freeze condition
Symptoms:
Low evaporator temperature, safety shutdown, reduced flow, high superheat
Solution:
Check water flow rate, inspect for fouled heat exchanger tubes, verify sensor calibration, ensure proper refrigerant charge, check expansion valve operation.
Compressor motor overheating
Symptoms:
High motor temperature alarms, compressor cycling on overloads, unusual noise
Solution:
Check electrical supply voltage and phase balance, inspect motor windings, verify proper cooling, ensure proper refrigerant charge and operating conditions.
Condenser fouling
Symptoms:
High head pressure, poor heat rejection, reduced efficiency, high approach temperatures
Solution:
Clean condenser tubes (water-cooled) or coils (air-cooled), check water treatment program, verify proper water flow and temperature, replace severely damaged components.
Cost Information
Service | Average Cost | Cost Factors |
---|---|---|
Annual maintenance contract | $3,000-$8,000 | Unit size, service frequency, refrigerant type, geographic location |
Compressor replacement | $15,000-$45,000 | Compressor type and size, refrigerant type, labor requirements, crane access |
New Carrier chiller installation | $50,000-$500,000+ | Unit size, refrigerant type, controls package, installation complexity |
Control system upgrade | $8,000-$25,000 | Controller type, integration requirements, programming needs, monitoring features |
Frequently Asked Questions
What refrigerants are used in Carrier's current chiller lineup?
Carrier's current chillers use various refrigerants depending on the model: R-134a for many centrifugal units, R-410A for scroll chillers, R-513A as a lower-GWP alternative for some models, and the next-generation R-1233zd(E) in newer AquaEdge 19DV models which has ultra-low global warming potential.
How does Carrier's VFD technology improve chiller efficiency?
Carrier's variable frequency drive technology optimizes compressor motor speed based on cooling load and operating conditions. This reduces energy consumption during part-load operation (which represents 95% of operating hours for most chillers), provides soft-start capability to extend equipment life, and improves power factor.
What is Carrier's recommended water treatment program for water-cooled chillers?
Carrier recommends a comprehensive water treatment program that includes regular testing and maintenance of proper chemical balance, use of appropriate inhibitors to prevent scale and corrosion, routine blow-down procedures, microbiological control, and regular cleaning of strainers and heat exchangers as needed.
What monitoring capabilities are available for Carrier chillers?
Carrier chillers can be equipped with advanced monitoring through the i-Vu building automation system or Carrier SMART Service. These platforms provide real-time performance data, predictive analytics, automated fault detection and diagnostics, energy optimization, remote access, and can generate performance reports and maintenance recommendations.
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