
Introduction
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Betriebsanleitung_commotherm_5_15_SW_WW_Touch_Englisch_V1.2
INTRODUCTION
Dear Customer!
Your heating system is powered by a HERZ commotherm heat pump and we are pleased to be able to count
you as one of our many satisfied owners of a HERZ system. The HERZ commotherm heat pump is the result
of years of experience and continuous improvement. Please remember that in order to be able to work
properly, a well-designed product also needs to be operated and maintained correctly. We definitely
recommend that you should read this documentation carefully while paying particular attention to the safety
instructions. Compliance with operating procedures is required for any claims made under the
manufacturer’s warranty. In the event of any faults or defects, please contact your heating specialist or the
HERZ Customer Service department.
Yours sincerely
HERZ – Energietechnik
Warranty / Guarantee (general information)
For Herz heat pumps we give a 3-year guarantee on the closed cooling circuit. The guarantee can also be
optionally extended to 5 years or a maximum of 15,000 operating hours, in each case via an appropriate
agreement. Storage tanks and HERZ solar collectors come with a 5-year warranty. We generally guarantee
freedom from defects of mobile objects purchased for a period of 2 years, to a maximum of 6,000 hours of
operation. For non-moving purchased items, the guarantee is generally for a period of 3 years to a maximum
for 9,000 hours of operation. Parts subject to wear are excluded from the warranty/guarantee. Furthermore,
claims under warranty will not be applicable if commissioning
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is not carried out by specialist personnel
authorised by HERZ or if hydraulic diagrams
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, not recommended by HERZ are used.
Any claim to warranty services requires maintenance to be carried out on an annual basis by
specialist personnel authorised by HERZ.
The general warranty period will not be extended if work is carried out under warranty. In the event of a
warranty claim, the due dates for payments owed to us will not be deferred. We will only provide a guarantee
if all the payments owed to us for the product supplied have been made.
The warranty will be carried out at our discretion by repairing the item purchased or replacing any defective
parts, by exchanging the item or by reducing the price. Parts or goods replaced are to be returned to us at
our request free of charge. Wages and costs paid out in connection with installation and removal are to be
paid for by the purchaser. The same applies to all warranty services.
The Supplier shall under no circumstances be liable to the Customer, for any direct, indirect or consequential
costs incurred by the Customer for works carried out on HERZ equipment.
This document is the translation from the German original. The reproduction or copying, even of extracts,
may only be undertaken with the permission of the company HERZ©.
Subject to technical modifications,
Version 04/2015
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Maintenance by the manufacturer
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Recommended hydraulic diagrams can be found in the installation manual while hydraulic balancing will be carried out by the heating
contractor
Furthermore, the quality of the heating water must be in accordance with ÖNORM H 5195 (current version) or VDI 2035