Product Overview
Industrial heat pumps provide a practical alternative to conventional gas, oil, and electric boiler systems for facilities requiring continuous hot-water or heating capacity. The system extracts heat from ambient air and upgrades it through a vapor-compression refrigeration cycle to produce usable heating water. For projects with photovoltaic power available, selected solar-assisted heat pump models can also accept DC solar input alongside AC grid power.
The key question in a boiler replacement project is not simply the heat pump's rated capacity. The system must match the required heating load, supply-water temperature, return-water temperature, ambient conditions, water flow, and operating schedule. Published industrial solar heat pump ranges include models with rated heating capacities from approximately 75 kW to 173 kW, with rated heating COP values of approximately 3.51 to 3.65 under stated test conditions. Available configurations use 380V three-phase power and EVI DC inverter compressors.
Technical Specifications & Performance Data
|
Parameter |
Unit Range / Configuration |
|
AC Power Supply |
380V, 50/60Hz, Three-Phase |
|
Maximum AC Input Power |
23 kW to 52 kW |
|
Recommended PV Power |
22 kW to 48 kW |
|
Solar DC Input Range |
200-560V |
|
Rated Heating Capacity |
75.5 kW to 172.5 kW |
|
Rated Heating Power Input |
20.68 kW to 49.15 kW |
|
Rated Heating COP |
3.51 to 3.65 |
|
Rated Cooling Capacity |
53.3 kW to 115 kW |
|
Compressor Type |
EVI DC Inverter |
|
Compressor Quantity |
2 to 4 units |
|
Refrigerant |
R410A / R32 |
|
Water Flow Rate |
13 cubic meters per hour to 29.7 cubic meters per hour |
|
Water Connection Size |
DN50 to DN80 |
|
Water Pressure Drop |
Up to 35 to 50 kPa |
|
Outdoor Unit Dimensions |
1990 x 900 x 1780 mm to 2250 x 1180 x 2300 mm |
|
Approximate Unit Weight |
690 kg to 1100 kg |
|
Acoustic Noise Level |
Up to 71 to 73 dB |
System Integration & Boiler Replacement Configurations
An industrial heat pump does not always require a 1:1 total removal of existing assets. Depending on facility constraints, it can be integrated in three primary ways:
Configuration A - Primary Heat Source (Full Replacement): Applicable when the required water temperature and heating capacity fall entirely within the heat pump's operating limits, serving as the sole heat generator.
Configuration B - Hybrid Boiler + Heat Pump (Base Load + Peak Backup): The heat pump handles the predictable base heating load, while the existing gas, oil, or electric boiler is retained to cover peak winter demand or emergency backup. This minimizes fuel consumption while ensuring operational security.
Configuration C - Make-Up Water Preheating: The heat pump raises the temperature of incoming cold water or return water before it enters the existing boiler. This reduces the thermal lift required from the boiler, optimizing energy use without altering downstream distribution loops.
Hydraulic Circuit & Balance Design
An industrial heat pump connects to existing distribution loops through a controlled hydraulic interface. A standard installation layout follows this sequence:
Heat Pump Unit -> Buffer Tank -> Primary Circulation Pump -> Industrial Heating Loop -> Return Water
Buffer Tank Utilization: Recommended to absorb load fluctuations, maintain minimum required water volume, and prevent frequent compressor cycling when integrated with existing boilers.
Ancillary Protection: Plate heat exchangers, expansion tanks, air separators, strainers, and flow meters must be sized according to system water volume and flow rates.
Factory Testing, Quality Assurance, & Compliance Verification
Comprehensive Run Testing: Units undergo automated testing under simulated load conditions to verify electrical draw, compressor performance, and refrigerant pressures prior to crating.
Hydrostatic Pressure Testing: Water-side heat exchangers and piping manifolds are subjected to high-pressure pneumatic and hydrostatic tests to ensure zero leakage before delivery.
Electrical Safety Inspection: Control panels, terminal blocks, inverter drives, and grounding systems are inspected for compliance with industrial safety standards.
International Certifications: Documentation available for destination markets, covering electrical safety, pressure equipment directives, and performance rating verifications.
FAQ
Q: Can an industrial heat pump completely replace a gas boiler?
A: It can in applications where the required heating capacity, supply-water temperature, and operating conditions fall within the selected heat pump's design range. For higher-temperature processes or extreme peak loads, a hybrid setup combining a heat pump with an existing boiler is often more efficient.
Q: Can the existing boiler remain operational in the system?
A: Yes. Retaining the existing boiler for peak shaving, backup security, or high-temperature boosting is a standard industry practice in industrial retrofits.
Q: What water temperature ranges are supported?
A: Published data includes heating water output ranges up to 60°C for certain configurations, while industrial solar heat pump rating conditions specify a 41°C outlet temperature. Project-specific water requirements must be verified during initial technical evaluation.
Q: How does the solar-assisted DC input function?
A: Selected industrial models accept direct DC solar input within the 200-560V range alongside standard 380V AC grid power, allowing facilities with photovoltaic arrays to offset daytime electrical consumption directly.
Q: Is a buffer tank mandatory?
A: While not physically required for every closed loop, a buffer tank is strongly recommended in industrial applications to stabilize water volume, dampen thermal fluctuations, and ensure smooth integration between heat pumps and existing boilers.
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