5
1 Introduction
This section contains general information on the heat recovery unit FOCUS.
Warranty and Liability
1.1
Warrant Terms
1.1.1
Our “General Terms and Conditions” apply to the FOCUS in their respectively valid version. The warranty
is determined by the legal warranty terms. It solely applies to the replacement of material and does not
include the service. It only applies if it is proven that maintenance is carried out by qualified personnel in
accordance with our regulations.
The warranty shall expire once/ when:
the warranty period has elapsed;
the device is operated without original Paul-filters;
parts are installed which were not delivered by the manufacturer;
the device is improperly used;
the defects occur due to incorrect connection, improper use or soiling of the system;
unauthorised changes or modifications on the plant are made.
Liability
1.1.2
The FOCUS was developed and manufactured for use in so-called comfort ventilation systems. Any other
use is considered as “improper use” and can result in damages to the focus or in personal injuries, for
which the manufacturer cannot be made liable. The manufacturer is not liable for any damage, which is
due to the following causes:
Non-observance of the notes on safety, operation and maintenance, stated in this manual;
The installation was not performed according to the regulations;
Mounting of the spare parts, which were not delivered and prescribed by the manufacturer;
The defects occur due to incorrect connection, improper use or soiling of the system;
The warranty period has elapsed;
Normal wear.
Safety
1.2
Please always observe the safety instructions in this operating manual. The non-observance of the safety
instructions, warning notices, notes and instructions can lead to injuries or damages to the FOCUS.
Intended use
1.2.1
This device is not intended to be used, maintained or cleaned by persons (including children) with limited
physical, sensory or mental aptitude or without sufficient experience and/or knowledge, unless they are
supervised by a person responsible for safety or have received instructions by that person on how to use,
maintain and clean the device. Children must not play with the device.
1.2.1.1
Heat recovery unit FOCUS
The heat recovery unit can be used for controlled ventilation in living and office areas (with reservations in
the industrial sector) at usual interior air humidity of approx. 40
– 70 % r. H., temporarily up to approx. 80
% r. F. Any other use is considered as being diverted from the intended use. The heat recovery unit is not
designed to discharge excessive air humidity, especially in the first utilisation phase of new buildings.
For safety reasons, it is not permitted to modify the product or to install parts which are not expressly
recommended for this product or distributed by PAUL Wärmerückgewinnung GmbH. Only use the
FOCUS in accordance with the information contained in the enclosed documentation and the standards
and directives valid on site:
Do not mount the device in explosion-prone areas;
Do not use the device to exhaust inflammable or explosive gases;
Lethal voltages occur inside the FOCUS:
Only operate the device with the casing cover being mounted;
The specifications mentioned in this document must not be changed:
