Air Source Heat Pump

Snowfairy Ultra-Low Temperature Full DC Inverter Series—Overall Unit

The Snowfairy Ultra-Low Temperature Full DC Inverter Series Overall Unit represents a cutting-edge solution in the field of HVAC (Heating, Ventilation, and Air Conditioning). Designed with advanced technology, this series ensures efficient and reliable performance even under extreme cold conditions. Below, we delve into the key features, specifications, and operating conditions of this remarkable product.

Key Features

• Advanced Technology: Utilizing industry-leading ultra-low temperature DC inverter compressors and low-temperature spray gas injection technology, the unit guarantees normal operation at temperatures as low as -35°C.
• Powerful Heating in Low Temperatures: The unit provides robust heating capabilities in low-temperature environments, catering effectively to the heating and hot water demands of northern regions during winter.
• Integrated Product Design: With an integrated design approach, the unit employs multiple noise reduction technologies such as quiet fans, ensuring very quiet operation of the host machine.

Product Parameters

The table below outlines the detailed specifications for various models within the Ultra-Low Temperature Full DC Inverter Series—Overall Unit:

Operating Conditions

• Heating Conditions: The unit operates under environmental dry-bulb temperature of 7°C, wet-bulb temperature of 6°C, water inlet temperature of 40°C, and water outlet temperature of 45°C.
• Low-Temperature Heating Conditions: The unit functions efficiently at an environmental dry-bulb temperature of -12°C, with a water outlet temperature of 41°C.
• Cooling Conditions: The unit performs under environmental dry-bulb temperature of 35°C, wet-bulb temperature of 24°C, water inlet temperature of 12°C, and water outlet temperature of 7°C.

Note that changes in environmental conditions will affect the unit's capabilities, so consulting with a technical engineer is advised. Additionally, specifications and parameters may change due to product improvements, so the actual product nameplate should be considered the authoritative reference.

This series of units is a testament to Snowfairy's commitment to innovation, efficiency, and reliability, making it an ideal choice for demanding HVAC applications in diverse climates.

1. Partnership & Procurement Assurance – Ensuring Project Certainty

(1) OEM/ODM Production Stability & Lead Time
Snowfairy operates a modern 50,000 m² manufacturing base in Wuzhi County, Jiaozuo City, equipped with automated production lines and multiple environmental test chambers (including ultra-low-temperature labs). We guarantee stable mass production capacity with an annual output exceeding 50,000 units across all heat pump series. Standard lead time is 30–45 days after order confirmation, with expedited options available for urgent projects.

(2) Customization Capabilities
Beyond standard model selection, Snowfairy offers flexible customization to meet diverse market requirements:

• Electrical Configuration: Voltage (220V/380V/400V/480V), frequency (50Hz/60Hz), and phase (single/three-phase) adaptation.
• Aesthetic & Branding: Cabinet color customization (RAL code accepted), OEM/ODM branding (logo engraving, custom nameplates, packaging design).
• Environmental Adaptation: Units can be engineered for high-altitude (>3,000m), high-dust, high-humidity, or coastal saline environments with enhanced corrosion protection (e.g., Blue Fin condenser coils, IP55-rated electrical enclosures).

(3) Payment & Logistics Terms

• Payment Methods: T/T (30% deposit, 70% before shipment), L/C at sight, D/P negotiable for long-term partners.
• Trade Terms: FOB Qingdao/Ningbo, CIF/CIP to global ports.
• Logistics Support: We partner with major forwarders (DHL, Kuehne+Nagel, COSCO) to provide door-to-door sea/air freight solutions. For emerging markets (e.g., Southeast Asia, Middle East, Latin America), we offer DDP/DDU options and assist with customs documentation, local compliance, and import duty estimation.

2. Technical Integration Support – Reducing Installation & Commissioning Costs

(1) Comprehensive Documentation (Free & Multilingual)
All products include:

• English installation & operation manuals
• CAD drawings (DWG/DXF), 3D models (STEP/IGES)
• Wiring diagrams, hydraulic schematics, and system integration guides
• Modbus RTU/485 communication protocol documents

(2) Training & On-Site Support

• Online Training: Live webinars on installation, commissioning, and cloud platform setup via Zoom/Teams.
• On-Site Assistance: Available for large-scale projects (>10 units); our engineers can travel globally for supervision and handover.

(3) Installation Diagram – Split System Connection Logic
For split-type units (e.g., RJP series), the system connects as follows:
Outdoor Unit → (Refrigerant Lines + Communication Cable) → Indoor Hydro Module → (Water Circulation Loop) → Terminal Units (Underfloor Heating / Fan Coils / Radiators)
A simplified schematic is available upon request.

(4) Performance Data Quantification

• Durability: Shell components pass 10,000+ cycle salt spray test (ASTM B117), exceeding industry standard (5,000 cycles).
• UV Resistance: Outer panels rated Grade 4 per ISO 4892-2 (Xenon arc aging), retaining >90% gloss after 2,000 hours.
• Production Efficiency: Automated assembly line enables daily output of 150+ units with <0.5% defect rate.

3. After-Sales Service & Warranty – Securing Long-Term Reliability

(1) Warranty Policy

• Air Source Heat Pumps: 2-year full unit warranty, 3-year compressor warranty.
• Coverage includes parts and labor for defects in materials/workmanship. Exclusions: damage from improper installation, voltage instability, poor water quality, or force majeure.
• Extended warranty (up to 5 years) available via service contract.

(2) Global Service Network

• Authorized service centers in Germany, UAE, Australia, Brazil, and South Africa.
• 48-hour remote diagnostics via Snowfairy Cloud Platform; 7-day on-site response in major markets.
• Spare parts warehouse in Rotterdam (EU) and Dubai (MEA) ensures rapid delivery.

(3) Spare Parts Provision

• 2% free spare parts kit included with bulk orders (>20 units).
• Critical components (PCBs, sensors, expansion valves) stocked globally for <72-hour dispatch.

4. Trust Endorsements & Verified Track Record

(1) Certifications

• ISO 9001:2015 (Quality Management)
• CE, RoHS, EN 14511 (EU)
• China Compulsory Certification (CCC)
• Brazil A+++ Energy Efficiency Label

(2) Reference Projects

• Commercial: Supplied 156 units of RJ-300H/SN2-BPEVI for Linqing Guihe Jiayuan Residential Complex (45,000 m²), operational since 2022 with zero downtime.
• Industrial: Deployed 110 units of KRS-1600VH/SN2-EVI for Urad Middle Banner Government Complex (Inner Mongolia, -30°C winters), achieving 40% energy savings vs. coal boilers.
• Export: Over 18 years of continuous export to 40+ countries; #1 supplier of pool heat pumps in Sweden & Finland.

(3) Third-Party Validation

• Performance verified by TÜV Rheinland (COP consistency under low-temp conditions).
• Noise levels certified by SGS (≤56 dB(A) for 8.5kW residential units).
• Full test reports available upon NDA.

Snowfairy – Your Trusted Partner in Clean Heating & Smart Thermal Solutions.