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3 FUNCTION OF THE SYSTEM ...................................................................................................... 17
3.1 Components of the Balanced Ventilation System ......................................................... 17
3.2 Controlled Ventilation System......................................................................................... 17
3.3 MTD-ERV 350 .................................................................................................................... 18
3.4 Additional Options ........................................................................................................... 19
3.4.1 Ventilation via Extractor Hood* ............................................................................... 19
3.4.2 Preheater in MTD-ERV 350 ................................................................................... 20
3.4.3 Post-heater* in Duct System ................................................................................... 20
3.4.4 CO2 Sensor* in the Home ...................................................................................... 21
3.4.5 RH Sensor* in the Home ........................................................................................ 21
3.4.6 Underground Geothermal Heat Exchanger* ........................................................... 22
3.4.7 Chimney Sweep Control ......................................................................................... 22
3.5 Technical Specifi cations ................................................................................................. 23
3.6 Dimension Sketch ............................................................................................................ 25
4 INSTRUCTIONS FOR THE INSTALLER ...................................................................................... 26
4.1 Preconditions for Installation ......................................................................................... 26
4.2 Installation of the MTD-ERV 350 ..................................................................................... 26
4.2.1 Transport and Unpacking ........................................................................................ 26
4.2.2 Checking the Scope of Supply ................................................................................ 26
4.3 Wall Mounting ................................................................................................................... 27
4.3.1 Connection of the Air Ducts .................................................................................... 27
4.3.2 Connection of the Condensation Drain ................................................................... 27
4.4 Commissioning the MTD-ERV 350 ................................................................................. 28
4.5 Setting the Air Specifi cations ......................................................................................... 34
4.6 Maintenance by the Installer ........................................................................................... 34
4.6.1 Inspection of Heat Exchanger and Fans ................................................................. 34
4.6.2 Filter Cleaning, if Preheater is Fitted ...................................................................... 36
4.7 Malfunctions ..................................................................................................................... 37
4.7.1 Malfunction Indications on the CC Ease Display .................................................... 37
4.7.2 Malfunction Indications on the CC Ease Display ‡ Remedy ................................. 38
4.7.3 Malfunctions (or Problems) without Indications ...................................................... 43
4.8 Spare Parts ....................................................................................................................... 44
4.9 Wiring Diagram: MTD-ERV 350 – LEFT-HAND Standard Version ................................. 45
4.10 Wiring Diagram: MTD-ERV 350 – LEFT-HAND Luxury Version .................................... 46
4.11 Wiring Diagram: MTD-ERV 350 – RIGHT-HAND Standard Version ............................... 47
4.12 Wiring Diagram: MTD-ERV 350 – RIGHT-HAND Luxury Version .................................. 48
4.13 EC Declaration of Conformity ......................................................................................... 49
IV Table of Contents