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DANGER

CHAPTER 2

GENERAL

INSTRUCTIONS

– Unit constraints:

Unohab ventilation units are not suitable for use under aggressive conditions, such as excessively high levels of

humidity, long standstill periods and excessive mechanical, chemical or electrical influences. Usage under

these conditions is only allowed with approval from Airflow, as the standard unit is not suitable in these cases.

– Improper, prohibited use:

Any use other than the intended use is not permitted! The conveying of solid matter or solid matter content > 10μm

in air and liquid is not permitted. Any chemical and abrasive substances which might affect the product materials,

are not permitted. Use in explosive atmospheres is not permitted!

1.4 Personnel qualification

m DANGER!

The electrical connection and start-up must only be carried out by qualified electricians.

Installation, servicing and maintenance of the fan must only be carried out by qualified electricians.

Unohab single room ventilation units cleaning or user maintenance should only be carried out by an adult and

user maintenance by a competent or qualified person.

2.0

Warranty claims – exclusion of liability

All chapters of this documentation must be observed, otherwise the warranty shall cease to apply. The same

applies to liability claims against Airflow. The use of accessory parts, which are not recommended or offered by

Airflow, is not permitted. Any possible damages are not covered by the warranty. Changes and modifications to

the unit are not permitted and lead to a loss of conformity, and any warranty and liability shall be excluded in this

case.

2.1 Certificates - guidelines

If the product is installed correctly and used to its intended purpose, it conforms to all applicable EU and UK

guidelines at its date of manufacture.

2.2

Shipping

The individual room fan unit is packed ex works in such a way that it is protected against normal

transport damage. It is recommended to leave the unit in the original packaging.

2.3

Receipt

The shipment (Unohab Cavity Wall Installation Kit, part number: 90001177) must be checked for

damage immediately upon delivery. If there is any damage, report it immediately to the transport company. If

complaints are not made within the agreed period, any claims could be lost.

2.4

Storage

When storing for a prolonged time, the following steps are to be taken to avoid damage: Protect the motor with dry,

airtight and dust-proof packaging (plastic bag with desiccant and humidity indicators). Also, required is vibration-

free, water-tight and constant temperature storage in the range -20 °C to +40 °C.

If the product is stored and not used for more than three months, maintenance must be carried out before

start-up as per chapter 6. In case of reshipment (above all, over longer distances; e.g. by sea), it must be

checked whether the packaging is suitable for the form and route of transport. Damages due to improper

transportation, storage or putting into operation are not liable for warranty.

2.5

Mode of operation

Unohab is equipped with an EC axial fan, which runs in a cyclical reversing mode. Thus, the supply air modes,

whereby the outside air flows into the building, continuously alternate with extract air modes, whereby the indoor

air is extracted from the building (cyclic operation which takes place every 60 sec).

2.6

Performance data

The unit product label gives an indication of the mandatory electrical values; which must be coordinated with

the local power supply network. The fan performance shown in 4.1 on page 7 is established on a test stand

according to DIN EN ISO 5801.

2.7

Noise data

Noise data that refers to certain distances apply to free field conditions. With regard to installation, the sound

pressure level can differ significantly from the catalogue data, as it is highly dependent on the installation conditions,

i.e. on the absorption capability of the room and the room size among other factors (e.g. wind load in wind-exposed

locations).

Unohab Cavity Wall Installation Kit

Installation and Operating Instructions