Product Overview
The Solar-Coupled Air Source Heat Pump Water Heater is a cutting-edge, ultra-high efficiency thermal solution designed specifically for large-scale commercial and industrial applications. Unlike traditional heat pumps that suffer from performance drops in freezing temperatures, our system integrates high-efficiency solar thermal collectors with an industrial-grade air source heat pump.
By utilizing a patented thermodynamic coupling technology, the system intelligently prioritizes solar energy when available, and seamlessly switches or combines with the air source heat pump during overcast days or nighttime. This synergy achieves an unprecedented Coefficient of Performance (COP) up to 5.2 under standard conditions, drastically reducing commercial operational costs by up to 80% compared to electric water heaters.
Technical Specifications
|
Parameter |
Specification Details |
|
Model Range |
DTHP-S-015C to DTHP-S-100C (15kW – 100kW Rated Heating Capacity) |
|
Compressor Type |
Copeland / Panasonic EVI (Enhanced Vapor Injection) Scroll Compressor |
|
Refrigerant |
Eco-friendly R410A / R32 / R290 (Low GWP Options Available) |
|
Solar Collector Type |
High-borosilicate Evacuated Vacuum Tubes / Flat Plate Collectors |
|
Rated Outlet Water Temp. |
55°C – 60°C (Max: 75°C for Sanitization) |
|
Ambient Working Range |
-25°C to 45°C (Maintains High COP even at -15°C) |
|
Heat Exchanger |
Tube-in-Shell / SUS316L Brazed Plate Heat Exchanger |
|
Smart Control |
PLC Touch-Screen with Modbus RS485 & IoT Remote Monitoring |
Applications & Proven ROI Case Studies
Target Applications
- Hospitality & Leisure: Hotels, resorts, luxury eco-lodges, and public swimming pools
- Healthcare & Education: Hospitals, senior care facilities, and university dormitories
- Industrial Processing: Food & beverage plants, textile factories, agricultural washing facilities
Real-World B2B Case Study
Case Study: 150-Room Eco-Resort Project (EU)
- Challenge: Traditional electric boilers incurred €15,000+ monthly winter energy bills
- Solution: Installed Delan Therma Solar-Coupled Heat Pump System (DTHP-S-100C)
- Result: Annual electricity bills reduced by 78.4%
- ROI Payback Period: 22 months
Manufacturing & Quality Control
At Delan Therma, reliability is engineered into every component.
Automated Leak Detection: Helium mass spectrometer testing + 48-hour high-pressure nitrogen holding tests ensure zero refrigerant leakage
Premium Component Sourcing: Only Tier-1 OEM partners (Sanhua valves, Wilo pumps, Schneider electrics) ensuring 15+ year lifespan
Enthalpy Difference Laboratory Testing: 100% units tested under -25°C to 45°C simulated conditions before shipment
Regulatory Compliance & Certifications
To support global B2B partners, Delan Therma systems comply with strict international standards:
Europe
- CE (EN14511 / EN14825)
- TÜV certification
- ErP A+++ energy labeling compliance
North America
- UL-standard compliant manufacturing
- Keymark / SRCC certified solar collectors
Global Standards
- ISO 9001:2015 Quality Management
- ISO 14001 Environmental Management
- ISO 45001 Occupational Health & Safety
FAQ
Q: How does the system perform during consecutive rainy or snowy days?
A: When solar irradiance is insufficient, the built-in EVI Air Source Heat Pump automatically takes over 100% of the heating load. Backed by an intelligent defrosting program, it guarantees stable 60°C hot water even at -25°C ambient temperatures.
Q: Can this system integrate into existing building piping and control networks?
A: Yes. It features standard Modbus RS485 protocols for seamless connection to your Building Management System (BMS). The hydraulic design is fully compatible with retrofitting into existing water tanks or auxiliary boilers.
Q: What is the freeze protection mechanism for severe winters?
A: The solar loop uses food-grade propylene glycol anti-freeze fluid (safe down to -35°C), while the heat pump utilizes automatic water circulation and active defrosting cycles to prevent any component from freezing.
Q: Do your systems qualify for local green energy subsidies?
A: Yes. With our ErP A+++ energy rating and TUV/CE certifications, Delan Therma systems fully comply with European (e.g., Germany BAFA) and North American green grants, while contributing points toward LEED certification.
Q: What is your B2B warranty and after-sales support policy?
A: We offer a 3-year warranty on compressors and a 2-year warranty on the complete unit. For batch orders, we provide free percentage-based spare parts, full engineering blueprints, and direct video guidance from our thermal engineers.
Q: How does the system handle water scaling and corrosion?
A: We use industrial-grade SUS316L stainless steel brazed plate heat exchangers and anti-scaling tube-in-shell designs. This provides maximum resistance to chloride ions and mineral scaling, ensuring a 15+ year lifespan.
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