Heat Pumps

If you’re looking for an energy efficient means of providing your home with hot water, the heat pump hot water systems supplied by STIEBEL ELTRON are the answer. Engineered by Germany’s market leader, STIEBEL’shot water heat pumps harvest natural energy from the air to efficiently create hot water. Unlike solar systems, hot water heat pumps in Australia don’t rely on a steady supply of sunlight in order to operate – instead, they work at all times of the day or night and in all weather conditions.

Product Details

High-quality design from STIEBEL ELTRON.

• German engineered, designed for Australian conditions
• Market leader in heat pump technology since 1976
• 220 litre tank with high volume of hot water can deliver 360 L of 40°C shower temperature water at a cold water temperature of 20°C (302 litre tank delivers 540 litres)
• Suitable for hard or soft water areas with maintenance free current impressed anode

Installation flexibility

• Can be installed outdoors or indoors, indoor installation requires 13m3 of clear space
• Single piece design for ease of installation
• Active defrost function to assist operations in cold climates
• Operates in cold climates down to minus 5°C

Energy efficient

• Energy efficient operation saves up to 74% on hot water energy use*
• Low power draw at only 2.3 Amps
• Can operate on off-peak power where available

Technical Data

Model number	WWK 222 and WWK 222H	WWK 302 and WWK 302H
Power consumption at (EN16147/A15)	0.55 kW	0.55 kW
Power consumption smart element	H-model only: 1.7 kW	H-model only: 1.7 kW
Rated voltage	240 V	240 V
Rated current	10 Amp	10 Amp
Phases	1/N/PE	1/N/PE
Electrical Installation	As per AS/NZS3000
Installation requirements	AS/NZS3500.4.2 & local requirements
Type of installation	Outdoor or Indoor	Outdoor or Indoor
Minimum space requirements	Indoor – 13m3 Outdoor – 500mm either side of the grill. See installation guide
Cylinder capacity	220 Litres	302 Litres
Cylinder material	Enamelled Steel
Permissible operating pressure	800 kPa	800 kPa
Seasonal coefficient of performance (COP)	3.94	3.58
Application range	-5 to +42°C	-5 to +42°C
Air flow rate	550 m3/h	550 m3/h
IP Rating	IP24	IP24
Refrigerant	R134a	R134a
Refrigerant capacity	0.85 kg	0.85 kg
Height	1553-1569 mm (adjustable feet)	1921-1937 mm (adjustable feet)
Diameter	690 mm	690 mm
Weight (empty)	120 kg	135 kg
Approvals	WaterMark Lic No. WMKA00301, AS3498
Weight (filled with water)	340 kg	437 kg
Average sound pressure level at 1m distance, free field (EN15036)	45 dB(A)	45 dB(A)