MTD ERV 350, ERV 365 On the position of the valves, Malfunctions, Cleaning Valves in the Home

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•Push the new filter cloths (E) over the filter brackets (F).

•Fasten the clamps (C) again.

•Push the filters (A) back into the ComfoAir 350.

E

F

•Insert the plug of the MTD-ERV 350 into the plug socket again.

•Press " " to cancel the filter indication.

2

Ensure that you ALWAYS install all the valves in exactly the same position (and in the same ventilation slot in the wall or ceiling) after cleaning, otherwise opti- mum operation of the ventilation system cannot be assured.

The ventilation air is admitted and discharged via valves. Gaps under the doors in the dwelling en- sure that the air circulates in the right direction. In order to ensure that the right volume of ventilation air is maintained in the right rooms, pay attention to the following points:

•Do not seal the gaps.

•Do not change the setting of the valves.

•Do not interchange the valves.

Replace all filters (at least) once a year.

2.5.2 Cleaning Valves (in the Home)

The ventilation system is equipped with the follow- ing valves:

Exhaust air valve (STB)

Exhaust air valve (STC)

Exhaust air valve (STV)

Exhaust air valve (STK)

Supply air valve (STH)

These valves have to be cleaned (at least) twice a year.

•Remove the valve from the wall or ceiling.

•Clean the valve in a warm soap solution.

•Rinse the valve thoroughly and dry it carefully.

•InstallthevalveagainEXACTLYINTHESAME POSITION (and IN THE SAME HOLE).

•Repeat this procedure for the other valves.

On the position of the valves ...

Theinstallerhassetallthevalvessothattheventila- tion system operates optimally with respect to the volumetric air flows. Do not therefore change the setting of the valves.

2.6Malfunctions

A malfunction in the MTD-ERV 350 is displayed as follows:

•A malfunction indication appears on the dis- play of the CC Ease.

•The malfunction LED on the 3-position switch lights up.

These measures are described in more detail in the following sections.

2.6.1 Malfunction indication on the CC Ease Display

In the event of a malfunction, a malfunction code appearsontheCCEasedisplay.Thedisplaythenal- waysshowsan'A'or'E'codewiththecorresponding numbers. By referring to the overview of malfunc- tions in section 4.7.1, you can find out what the par- ticular malfunction indication means.

2.6.2 3-positionSwitchwithMalfunctionLED

In the event of a malfunction, 3-position switches with a malfunction LED start to light up. Depending on the type of 3-position switch, this takes place in one of two ways:

•3-position switch with malfunction LED.

∀ ! The LED lights up in the event of a mal- function (and in the event of a filter warning).

•Wireless 3-position switch with malfunction

LED.

∀ ! The LEDs light up as soon as the 3-posi-

tion switch is used. The LED lights up green once to signal that a communication has been made. In the event of a malfunc- tion or a 'Filter dirty' warning, both LEDs light up red three times. Finally both LEDs light

Instructions for the User 15

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Contents MTD-ERV 350 All rights reserved Table of Contents Checking the Scope of Supply Foreword CE SymbolWarranty and Liability Warranty will be voided ifSymbols Used SafetySafety Precautions SafetyInstallationsandSafetyMeasuresDefinition of Terms Available Operating Aids Moisture Recovery OptionCC Ease Operating Unit 2 3-position Switch Option ReadingandSettingComfortTemperature Setting Date and TimeReading off the comfort temperature Bathroom Switch OptionReading off the ventilation level Setting the comfort temperatureReadingandSettingVentilationLevel Setting the ventilation levelSwitchingSupplyandExhaustAirFansOn and Off Switching Extractor Hood On and Off OptionWeekday fan position Weekend fan position Setting Ventilation ProgrammeReturn to the main window Access to the P menusMaking settings in the P menus Setting Additional Functions via the P MenusMenu P1 ! Status of the functions Menu P2 ! Set time delaysMenu P9 ! Status of the functions from menu P5 Setting Ventilation Using Bathroom Switches Use of the Switches OptionService by the User Setting Ventilation Using 3-position SwitchesFor replacement For cleaningCleaning or Replacing Filters Malfunctions Cleaning Valves in the Home2 3-positionSwitchwithMalfunctionLED On the position of the valvesWhat to Do in the Event of a Malfunction? End of Service LifeControlled Ventilation System Components of the Balanced Ventilation SystemMTD-ERV Additional Options MTD-ERV 350 Methods of OperationPreheater in MTD-ERV Post-heater* in Duct System Ventilation via Extractor HoodRH Sensor* in the Home 4 CO2 Sensor* in the HomeUnderground Geothermal Heat Exchanger Technical Specifications Power supply Dimension Sketch Checking the Scope of Supply Preconditions for InstallationInstallation of the MTD-ERV Transport and UnpackingConnection of the Air Ducts Wall MountingConnection of the Condensation Drain MTD-ERV 350 Right Commissioning the MTD-ERVSelect a value for the parameter with or Menu P3 ! Set ventilation controls Menu P4 ! Read off the temperatures % and ppmMenu P5 ! Setting additional control functions Menu P7 ! Read off malfunctions and system information Menu P6  Setting additional control functionsExplanation Menu P8  Open-loop and closed-loop controlMaintenance by the Installer Setting the Air SpecificationsInspection of Heat Exchanger and Fans MTD-ERV 350 R MTD-ERV 350 LFilter Cleaning, if Preheater is Fitted Code Description Malfunction Indications on the CC Ease DisplayAvoid contact with the PCB Malfunction indications on the CC Ease Display à RemedyReset unit MIN MED T1 OK? A0 / A10 / A11 Problem/Malfunction Cause Check / measure Malfunctions or Problems without IndicationsNumber Part Spare PartsSupply air Wiring Diagram MTD-ERV 350 LEFT-HAND Standard VersionSupply air Wiring Diagram MTD-ERV 350 LEFT-HAND Luxury VersionWiring Diagram MTD-ERV 350 RIGHT-HAND Standard Version Wiring Diagram MTD-ERV 350 RIGHT-HAND Luxury Version EC Declaration of Conformity EC Declaration of ConformityPage

ERV 350, ERV 365 specifications

The MTD ERV 365 and ERV 350 are advanced energy recovery ventilation (ERV) systems designed to enhance indoor air quality and energy efficiency in residential and commercial buildings. These units utilize cutting-edge technologies to transfer heat and moisture between incoming and outgoing air streams, optimizing the temperature and humidity levels of the conditioned air.

One of the main features of the MTD ERV 365 is its high energy recovery efficiency. Equipped with a specially designed heat exchanger, this ERV can reclaim a significant portion of the energy from the exhaust air, reducing the heating and cooling load on HVAC systems. This results in lower energy bills and decreased environmental impact. The ERV 350 offers similar benefits but is tailored for slightly smaller spaces, making it suitable for various residential applications.

Both models are constructed with durability in mind, featuring robust housing and weather-resistant materials that ensure long-lasting performance. The MTD ERV series is designed to withstand varying environmental conditions, ensuring reliable operation in challenging climates. Additionally, noise-reduction technology minimizes operational sounds, promoting a peaceful indoor environment.

User-friendly controls are another highlight of the MTD ERV systems. They come equipped with intuitive interfaces, allowing users to easily adjust settings, monitor performance, and receive maintenance notifications. Advanced sensors provide real-time data on indoor air quality parameters, ensuring optimal operation based on the specific needs of the environment.

Installation and maintenance are made straightforward with these ERV units. They feature a compact design that facilitates integration into existing HVAC systems or new constructions. Filters are easily accessible for routine cleaning or replacement, maintaining peak performance over time.

Furthermore, both the MTD ERV 365 and ERV 350 are designed with sustainability in mind. Using materials that are recyclable and energy-efficient components contributes to a reduced carbon footprint. These ERV systems also comply with various building codes and standards, ensuring they meet industry requirements for safety and efficiency.

In summary, the MTD ERV 365 and ERV 350 are sophisticated energy recovery ventilation solutions that combine advanced technologies and user-friendly features. With high energy recovery efficiency, durable construction, and easy integration, they stand out as models for improving indoor air quality and energy efficiency in a variety of settings.
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