LWZ 8 CS Premium

  • Compact appliance offering the following functions: ventilation, domestic hot water, heating, and cooling
  • Matrix display with "Touch Wheel" for intuitive operation
  • Integral high-efficiency pump for energy saving heat distribution
  • Integral domestic hot water cylinder for maximum convenience
  • Ergonomically designed programming unit for easy operation
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Product Overview

Imagine you had three wishes, and one appliance could make them all come true. Turn your dream into reality with this system solution, which makes your home pleasantly warm, ensures a healthy air change rate and heats your water. Experience efficiency every day.

Product Details

APPLICATION: Integral system with output-dependent control, with reversible air | water heat pump for central ventilation, central hot water, heating and cooling in new build and detached houses.

EQUIPMENT/CONVENIENCE: Integral electronic weather-compensated control unit for output-dependent control of the heating output, DHW output, solar thermal system, cooling and ventilation. Intelligent control unit with preselected programs for fans, heating, DHW and absence/holiday. Additional functions such as humidity protection ventilation with integral humidity sensor in the extract air, airflow rate reduction when humidity is too low, passive cooling and dry heating program. Integral programming unit, remote control unit with humidity sensor optional. Internet Service Gateway (ISG) with optional KNX and PV optimisation. The refrigerant circuit of the air | water heat pump is equipped with all necessary safety equipment. Output-controlled cooling with the option of direct area cooling. Electric emergency/booster heater for heating and DHW heating. The integral DHW cylinder has a special enamel coating and is equipped with a protective magnesium anode with electronic monitoring. Highly efficient cross-counter current heat exchanger made from plastic with economical, constant flow rate fan. Outdoor air is preheated by a refrigerant circuit super cooler. Additional solar heat exchanger in the heating circuit for utilising solar thermal energy.

EFFICIENCY: High-efficiency thanks to demand-dependent control of the inverter compressor. Energy-efficient thanks to constant flow rate fan.

INSTALLATION: The outdoor air, supply air, exhaust air and extract air connections are located at the top of the appliance. Robust sheet steel casing in a modern, award-winning design.

Technical Data

Model LWZ 8 CS
Number 201290
Output at A7/W35 (EN 14511) 4.4
Coefficient of performance at A7/W35 (EN 14511) 4.743/h
Output at A-7/W35 (EN 14511) 8.34
Coefficient of performance at A-7/W35 (EN 14511) 2.61
Sound power level (EN12102) 57dB (A)
Heat recovery Up to 90%
Air flow 80 – 300 m3/h
Storage Volume 235L
Weight 420 kg
Height 1885
Width 1430
Depth 812


File Category Type Download
LWZ CS8 DatasheetData SheetPDF
0.97 MB
LWZ CS8 Installation GuideOperation and Installation GuidePDF
5.21 MB


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