Industrial Air To Water Heat Pump

Industrial Air to Water Heat Pumps utilize ambient air as a renewable thermal source, transferring energy to a central water circuit for space heating, cooling, and industrial process applications. The current high-capacity lineup provides heating outputs from 75.5 kW to 172.5 kW and cooling outputs from 53.3 kW to 115 kW, driven by three-phase 380 V, 50/60 Hz power supplies. Equipped with EVI DC inverter compressors and configured with DN50 to DN80 water connections, these units are engineered for centralized hydronic networks that require reliable thermal performance under demanding operating conditions.

Commercial HVAC Hydronic Loops
Directly connects to centralized water distribution systems serving office complexes, hospitality facilities, and institutional buildings via fan coil units, air handling units, and hydraulic separators.

Industrial Process Water Heating
Provides controlled thermal input for manufacturing processes, washing systems, and secondary loop heat exchangers within operational temperature envelopes.

Large-Scale Swimming Pool Heating
Integrates with commercial pool water circuits using corrosion-resistant heat exchanger configurations to maintain pool temperatures efficiently.

Agricultural Greenhouse Thermal Supply
Supplies continuous hydronic heating loops for large agricultural structures, maintaining precise ambient growing conditions based on calculated heat-loss profiles.

The thermodynamic cycle extracts low-grade thermal energy from ambient outdoor air via the outdoor evaporator coil. The refrigerant is compressed through an EVI DC inverter compressor to elevate its temperature and pressure, subsequently transferring thermal energy to the water loop through a high-efficiency plate or shell-and-tube heat exchanger. For cooling operations, the cycle reverses to extract heat from the circulating water system and reject it to the atmosphere.

System Energy Flow
Outdoor Air -> Evaporator -> EVI DC Inverter Compressor -> Water-Side Heat Exchanger -> Hydronic Loop

The centralized water circuit distributes thermal energy downstream to compatible terminal equipment, including fan coil units, air handling units, radiant floor loops, plate heat exchangers, and buffer storage tanks.

Industrial applications demand continuous thermal stability across fluctuating ambient conditions. Enhanced Vapor Injection (EVI) DC inverter architecture addresses these requirements through specific technical mechanisms:

Capacity Modulation: The inverter-driven compressor dynamically adjusts operating speed to match real-time thermal load variations rather than operating exclusively on fixed on-off cycles.

Low-Temperature Heating Performance: EVI refrigerant injection maintains refrigerant mass flow and compression efficiency when outdoor ambient temperatures drop.

Hydraulic Stability: Continuous modulation prevents excessive thermal shock to the water loop, stabilizing leaving water temperatures across variable seasonal profiles.

Industrial reliability depends on strict internal assembly and testing protocols:

Refrigerant Circuit Integrity: Nitrogen pressure testing and vacuum dehydration to prevent moisture contamination and leaks.

Brazing Quality: Visual and pressure inspection of copper-to-copper and copper-to-brass brazed joints.

Electrical and Control Testing: Insulation resistance testing, high-voltage dielectric testing, and complete functional verification of inverter drives and electronic expansion valves.

Hydrostatic Testing: Water-side pressure testing of heat exchangers to verify structural integrity under operating pressures.

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