Delivering integrated HVAC and refrigeration solutions for large-format supermarkets requires precise engineering, experienced installation teams, and advanced technology. Dynamiq’s project at Key Food in Tampa demonstrates the company’s capability to handle complex, large-scale commercial installations from design through commissioning.
Key Food Tampa: A Complex Installation
The Key Food Tampa project represents one of Dynamiq’s most technically demanding installations. The scope included a complete refrigeration and HVAC system for a full-service supermarket, requiring tight coordination between mechanical, electrical, and controls disciplines.
Key project metrics:
- 60,000 linear feet of refrigeration piping installed throughout the facility
- 26 individual refrigeration circuits serving display cases, walk-in coolers, and freezers
- 90 tons of air conditioning capacity for store climate control
- Danfoss Electronic Expansion Valves (EEVs) on all refrigeration circuits
Piping and Circuit Design
Sixty thousand feet of refrigeration piping represents a significant engineering challenge. Proper sizing, routing, and installation of this piping network is critical to system efficiency and reliability. Dynamiq’s engineering team designed the piping layout to minimize pressure drops and ensure balanced refrigerant distribution across all 26 circuits.
Each circuit was designed for the specific heat load of its connected equipment, whether dairy cases, produce display, frozen food sections, or walk-in storage. This circuit-level optimization ensures each zone maintains precise temperature control while the overall system operates at peak efficiency.
Danfoss Electronic Expansion Valves
The integration of Danfoss EEVs across all 26 circuits provides precise refrigerant flow control that conventional thermal expansion valves cannot match. EEVs respond dynamically to changing load conditions, maintaining optimal superheat settings that maximize compressor efficiency and protect against liquid slugging.
Danfoss EEVs also provide diagnostic data that integrates with Dynamiq’s monitoring systems, allowing remote visibility into the refrigerant flow state of every circuit. This data is invaluable for proactive maintenance and performance optimization.
HVAC Integration
The 90-ton HVAC system serves the dual purpose of maintaining comfortable shopping conditions and supporting the refrigeration system’s heat rejection requirements. In Florida’s hot, humid climate, proper HVAC design is essential — excessive humidity in the sales floor increases the moisture load on open refrigerated display cases, raising energy consumption and defrost frequency.
Dynamiq’s integrated approach to HVAC and refrigeration design ensures these systems work together efficiently rather than fighting each other. Heat recovery from the refrigeration system can offset HVAC heating loads during cooler months, improving overall energy performance.
Commissioning and Validation
Following installation, Dynamiq conducted systematic commissioning of all 26 refrigeration circuits and the HVAC system. This process included leak testing, refrigerant charging, controls calibration, and performance verification against design specifications.
The commissioning documentation provides Key Food with a baseline record for future maintenance and troubleshooting, and confirms that all systems were delivered in full compliance with design intent and applicable codes.
Dynamiq’s Large-Scale Capabilities
The Key Food Tampa project demonstrates Dynamiq’s ability to manage complex, multi-system installations that require deep expertise across refrigeration, HVAC, electrical, and controls disciplines. This integrated capability is what sets Dynamiq apart from contractors who specialize in only one trade, and ensures clients receive coherent, optimized systems rather than collections of independently installed equipment.
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