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Introduction 1
1 Introduction
This chapter contains general information on the MTD-ERV 350.
1.1 Foreword
Apart from this general chapter, this operating man-
ual consists of:
• A section for the user,
• A section with technical specifi cations, and …
• A section for the installer.
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fore putting the unit into operation.
- User Chapters 1 to 3.
- Installer Chapter 4.
This operating manual contains all the information
required for safe and optimum installation, opera-
tion and maintenance of the MTD-ERV 350. In ad-
dition, it should serve you as a reference manual
during service work so that this can be carried
out safely and responsibly. The unit is subject to
ongoing improvement and further development.
Your MTD-ERV 350 may therefore differ slightly
from the descriptions in this operating manual.
NOTE:
This manual has been produced with the
greatest care and attention. However, no
rights can be derived from this. Furthermore,
the company reserves the right to change the
contents of this operating manual at any time
without prior notifi cation.
1.2 CE Symbol
The unit is marketed under the name MTD-ERV 350.
The MTD-ERV 350 is a balanced ventilation system
with heat recovery for healthy, balanced and ener-
gy-saving ventilation of living premises.
The year of construction of the MTD-ERV 350 is
shown on the identifi cation plate of the ComfoAir
350.
1.3 Warranty and Liability
1.3.1 General
Our “General Terms and Conditions” in their latest
wording apply to the MTD-ERV 350. The warranty
period begins with commissioning, but not later
than one month after delivery. This applies to ma-
terial replacement and does not include labour. It
applies only on proof of maintenance having been
performed by a specialist company in accordance
with our instructions.
1.3.2 Warranty Terms
The manufacturer's warranty on the MTD-ERV 350
is for a period of 24 months after installation, but up
to a maximum of 30 months after the date of manu-
facture of the MTD-ERV 350. Warranty claims can be
made only for material fl aws and/or design errors
discovered during the warranty period. In the event
of a warranty claim, the MTD-ERV 350 must not be
dismantled without the prior written authorisation
of the manufacturer. The manufacturer's warranty
covers spare parts only if these have been installed
by an installer approved by the manufacturer.
The warranty will be voided if:
• The warranty period has expired;
• The unit is operated without fi lter;
• Parts not supplied by the manufacturer are in-
stalled;
• Unauthorised changes or modifi cations are
made to the unit.
1.3.3 Liability
The MTD-ERV 350 has been developed and manu-
factured for use in "balanced ventilation systems".
Use in any other way does not constitute an 'intend-
ed use' and can result in damage to the MTD-ERV
350 or in personal injury for which the manufacturer
accepts no liability.
The manufacturer accepts no liability for damage or
injury resulting from the following causes:
• Failure to observe the safety, operating and
maintenance instructions contained in this op-
erating manual.
• Installation of spare part not supplied by the
manufacturer.
• The responsibility for the use of such spare
parts lies solely with the installer.
• Normal wear.