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Heizen mit Naturwaerme 02-2011_GB.indd - Viessmann

Heizen mit Naturwaerme 02-2011_GB.indd - Viessmann

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Heat pumps<br />

Vitocal 333-G<br />

1 DHW cylinder,<br />

170 litre capacity<br />

2 Heat pump control unit<br />

Vitotronic 200<br />

3 Heat exchanger for<br />

cylinder heating<br />

4 Primary pump (high<br />

efficiency DC pump)<br />

5 Secondary pump (high<br />

efficiency DC pump)<br />

6 Hermetically sealed<br />

Compliant scroll<br />

compressor<br />

Vitocal 343-G<br />

Vitocal 333-G<br />

The compact heat pumps Vitocal 343-G and<br />

Vitocal 333-G are offered as three versions,<br />

i.e. with and without solar thermal connection<br />

and with integral natural cooling function.<br />

DHW cylinders with 170 litre capacity (solar<br />

version with 220 l) are integrated to safeguard<br />

high DHW convenience. At the core of the<br />

appliance is a newly developed high efficiency<br />

heat pump module.<br />

These compact appliances are highly efficient<br />

thanks to the new refrigerant circuit with<br />

electronic expansion valve (EEV) and the<br />

<strong>Viessmann</strong>-developed RCD (Refrigerant Cycle<br />

Diagnostic) systems plus the standard energysaving<br />

DC pumps. This is reflected day by day<br />

and year by year in high seasonal performance<br />

factors and low consumption costs.<br />

1<br />

3<br />

6<br />

2<br />

4<br />

5<br />

Small footprint<br />

With their space saving designs, the<br />

Vitocal 343-G and Vitocal 333-G are<br />

particularly suitable for anywhere where<br />

space is restricted. The brine and heating<br />

circuit pumps and the 3-way diverter valve are<br />

already integrated inside the compact casing<br />

that completely protects the cooling module/<br />

hydraulic compartment from the outside<br />

environment and, in conjunction with the<br />

new three-dimensional anti-vibration mounts,<br />

minimises operating noise. These compact<br />

heat pumps are some of the quietest in their<br />

category, as they only generate 38 dB(A) at<br />

0/35 °C.<br />

For easier handling, the height of the unit was<br />

reduced and the body designed to split into<br />

sections. Variable connection accessories<br />

supplied ex works make heat pump<br />

installation easier.<br />

Extremely easy to operate<br />

Like all our compact appliances, the<br />

Vitocal 343-G and Vitocal 333-G, too,<br />

are equipped with the new, user-friendly<br />

Vitotronic control unit. If in doubt, help is<br />

available at the push of a button. The graphic<br />

interface will also display heating curves and<br />

solar yield.<br />

The programming unit of the Vitotronic control<br />

unit can be removed from the front of the<br />

appliance and be replaced with an external<br />

programming unit, available as an accessory,<br />

and a dummy cover. A five metre long power<br />

cable enables the external programming<br />

unit to be mounted almost anywhere in a<br />

convenient position on a wall mounting base.<br />

Always accessible<br />

Subject to demand, the new Vitotronic<br />

control unit can be fitted with convenient<br />

communication technology. From<br />

Vitocom 100 to Vitocom 300, versatile remote<br />

monitoring and remote control options are<br />

available wherever you are.

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