WWK 302/302H Heat Pumps by: STIEBEL ELTRON

WWK 302/302H Heat Pumps by: STIEBEL ELTRON

Product Overview:

The STIEBEL ELTRON WWK series of heat pumps, including the WWK 302/302H, are high-performance, energy-efficient hot water solutions designed specifically for Australian conditions. These heat pumps offer significant savings on energy consumption and can operate in cold climates down to -5°C. Ideal for residential use, they provide a smart solution for environmentally conscious customers looking to lower their utility costs without compromising on performance.

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Models Available:

1. WWK 222/222H:
   • Cylinder Capacity: 220 Litres
   • Hot Water Delivery: Delivers 360L of 40°C water at a cold water inlet temperature of 20°C.
   • Power Consumption: 0.55 kW (H-model smart element uses 1.7 kW).
   • Weight: 120 kg (empty), 340 kg (filled).
2. WWK 302/302H:
   • Cylinder Capacity: 302 Litres
   • Hot Water Delivery: Delivers 540L of 40°C water at a cold water inlet temperature of 20°C.
   • Power Consumption: 0.55 kW (H-model smart element uses 1.7 kW).
   • Weight: 135 kg (empty), 437 kg (filled).

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Key Features:

• Energy Efficiency:
  • Saves up to 74% on hot water energy use.
  • Low power consumption of under 700 W, which allows operation on off-peak power for further savings.
  • Seasonal Coefficient of Performance (COP):  3.58 (WWK 302/302H).
• Quiet Operation: Encased compressor design ensures minimal noise during operation.
• Designed for Cold Climates:
  • Operates down to 5°C with an active defrost function to maintain performance in colder climates.
  • Active defrost prevents ice buildup by redirecting hot vapor to the evaporator, ensuring uninterrupted hot water supply.
• Flexible Installation: Suitable for both indoor (requires 13m³ of space) and outdoor installation.
• Durability:
  • Built with enamelled steel and designed for hard and soft water areas with a maintenance-free impressed anode.
  • WaterMark certified (Lic No. WMKA00301, AS3498).
• Smart Element (H-Models):
  • 302H models feature a 1.7 kW smart element that activates to assist in hot water recovery, especially during periods of high demand.
• Solar Integration: Optimized to work with solar PV systems to further enhance energy efficiency and reduce costs.

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Technical Specifications:

Specificatio HWWK 302/302HCylinder Capacity220 Litres302 LitresPower Consumption (Heat Pump)0.55 kW0.55 kWPower Consumption (Smart Element)1.7 kW (H-models only)1.7 kW (H-models only)Operating Temperature Range-5°C to 42°C-5°C to 42°CAir Flow Rate550 m³/h550 m³/hCOP (Seasonal)3.943.58Weight (empty)120 kg135 kgWeight (filled)340 kg437 kgIP RatingIP24IP24Refrigerant TypeR134a (0.85 kg)R134a (0.85 kg)Sound Pressure Level45 dB(A) at 1m distance45 dB(A) at 1m distanceInstallation TypeIndoor/OutdoorIndoor/Outdoor

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Installation Requirements:

• Indoor Installations: Requires 13m³ of space to ensure proper air circulation.
• Outdoor Installations: Requires a clearance of 500mm on either side of the unit's grill.
• Installation must comply with AS/NZS 3500.4.2 and other relevant local regulations.

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Conclusion:

The WWK 222/222H & WWK 302/302H Heat Pumps from STIEBEL ELTRON provide an energy-efficient, quiet, and versatile hot water solution perfect for homes in both warm and cold climates. Their smart design, solar compatibility, and ease of installation make them an ideal choice for environmentally conscious homeowners looking to significantly reduce their energy bills.

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