Maico EZD Series, Монтаж и эксплуатация, Страница: 15 / 38

1. Specialist installer qualifikation │ UK
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1. Specialist installer qualification
Mounting may only be carried out by spe-
cialists
who have the necessary knowledge
and experience in ventilation engineering .
Only a trained electrician is permitted to
work on the electrics. You are deemed a
trained electrician if you are familiar with the
relevant standards and guidelines, can
competently and safely connect units to an
electrical power supply in line with the
attached wiring diagram and are able to
recognise and avoid risks and dangers
associated with electricity on the basis of
your technical training and experience.
2. Intended use
Fans for air extraction or ventilation from pro-
duction facilities and workplaces, commercial
premises, restaurants, showrooms, industrial
buildings etc. They can also be used as air
extraction systems for machine sites or work-
places. EZD 25/4 E only for air extraction.
They may be used on roofs (flat, inclined,
corrugated or trapezoidal roofs), ceilings or
brackets with sufficient load-bearing capacity.
A proper fixed installation in a horizontal
installation position, a permanent electrical
supply cable and correct air supply via shaft
or duct is stipulated.
Fan with roof flashing [14] fitted on suitable
roof socket (Maico roof socket SDS..., SOK...,
SOWT...) or base frame.
If connecting to piping, folded spiral-seams
ducts with flexible couplings are specified.
These prevent the transmission of vibrations
to the duct system.
With a free inlet, operation is only permit-ted
with protection against accidental contact
according to EN ISO 13857, for example with
a Maico protective grille SG.
EZD .. and DZD .. are roof fans for use in
small commercial operations or conditions
similar to those experienced in the home.
No other or additional use is intended.
3. Safety instructions and
warnings
DANGER
Indicates a possibly hazardous
situation which result in death or
serious injuries if not avoided.
CAUTION
Indicates a possibly hazardous
situation, which could result in
minor to moderate injuries.
NOTICE
Indicates a possible situation,
which could cause damage to
the product or its surroundings.
The fan unit must not be used in the follo-
wing situations under any circumstances.
Risk of combustion/fire from flamma-
ble materials, liquids or gases in the
vicinity of the fan. Do not place any
flammable materials, liquids or gases near
the fan, which may ignite in the event of heat
or sparks and catch fire.
Steam-saturated or greasy air or
solid particles which may stick to the
fan, can soil the fan and reduce the
efficiency. Never use fan to convey these
substances.
Explosive gases and dusts may
ignite and cause serious explosions
or fire. Never use fan unit in an explosive
atmosphere (risk of explosion).
Risk to health from chemicals or
aggressive gases/vapours. Chemicals
or aggressive gases/vapours may harm
health, especially if they are distributed
throughout the rooms by the fan. Never use
fan to distribute chemicals or aggressive
gases/vapours.