User ManualTable of ContentsINTRODUCTION11.1 Foreword11.2 CE Symbol11.3 Warranty and Liability11.3.1 General11.3.2 Warranty Terms11.3.3 Liability11.4 Safety21.4.1 Safety Precautions21.4.2 Safety Installations and Safety Measures21.4.3 Symbols Used2INSTRUCTIONS FOR THE USER3Definition of Terms32.1.1 Balanced Ventilation32.1.2 Heat Recovery32.1.3 Bypass for Free Cooling32.1.4 Frost Protection32.1.5 Chimney Sweep Control32.1.6 Moisture Recovery (Option)4Available Operating Aids42.2.1 CC Ease Operating Unit42.2.2 3-position Switch (Option)52.2.3 Bathroom Switch (Option)6Use of the CC Ease Operating Unit62.3.1 Setting Date and Time62.3.2 Reading and Setting Comfort Temperature62.3.2 Reading and Setting Ventilation Level72.3.4 Switching Extractor Hood On and Off (Option)*82.3.5 Switching Supply and Exhaust Air Fan On and Off82.3.6 Setting Ventilation Programme92.3.7 Setting Additional Functions via the P Menus10Use of the Switch(es) (Option)132.4.1 Setting Ventilation Using 3-position Switch(es)132.4.1 Setting Ventilation Using Bathroom Switch(es)13Service by the User132.5.1 Cleaning or Replacing Filters142.5.2 Cleaning Valves (in the Home)15Malfunctions152.6.1 Malfunction indication on the CC Ease Display152.6.2 3-position Switch with Malfunction LED152.6.3 What to Do in the Event of a Malfunction?162.7 End of Service Life16FUNCTION OF THE SYSTEM17Components of the Balanced Ventilation System17Controlled Ventilation System17MTD-ERV 35018Additional Options193.4.1 Ventilation via Extractor Hood*193.4.2 Preheater in MTD-ERV 350203.4.3 Post-heater* in Duct System203.4.4 CO2 Sensor* in the Home213.4.5 RH Sensor* in the Home213.4.6 Underground Geothermal Heat Exchanger*223.4.7 Chimney Sweep Control22Technical Specifications23Dimension Sketch25INSTRUCTIONS FOR THE INSTALLER26Preconditions for Installation26Installation of the MTD-ERV 350264.2.1 Transport and Unpacking264.2.2 Checking the Scope of Supply26Wall Mounting274.3.1 Connection of the Air Ducts274.3.2 Connection of the Condensation Drain27Commissioning the MTD-ERV 35028Setting the Air Specifications34Maintenance by the Installer344.6.1 Inspection of Heat Exchanger and Fans344.6.2 Filter Cleaning, if Preheater is Fitted36Malfunctions374.7.1 Malfunction Indications on the CC Ease Display374.7.2 Malfunction Indications on the CC Ease Display ‡ Remedy384.7.3 Malfunctions (or Problems) without Indications43Spare Parts44Wiring Diagram: MTD-ERV 350 – LEFT-HAND Standard Version45Wiring Diagram: MTD-ERV 350 – LEFT-HAND Luxury Version46Wiring Diagram: MTD-ERV 350 – RIGHT-HAND Standard Version47Wiring Diagram: MTD-ERV 350 – RIGHT-HAND Luxury Version48EC Declaration of Conformity49Size: 2.91 MBPages: 56Language: EnglishOpen manual