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1. General
1.1 Intended utilisation
The air handling unit may be used only for ventilation
and air handling. This applies to air filters, heaters, cool-
ers, humidifiers, dehumidifiers and conveyors. Any other
usage is specifically prohibited.
The continuous observance of the existing installation,
operating, service and maintenance instructions is also
considered integral to intended utilisation!
1.2 Hazards
The equipment should not be opened or accessed during
operation!
All rotating parts should be allowed to first come to a
standstill.
Mechanical hazards
• Crushing injury to the hands on the suction-side doors.
• Blowing open of doors with a pressure-side configura-
tion.
• Faulty damper switching (over or under pressure) can
lead to destruction of equipment components.
• The crushing of fingers when the air regulator and shut-
off dampers are moved.
• Never put hands in the vicinity of rotating parts, such as
ventilators, drive belts, rotors, etc.
• Loose or non-clinging pieces of clothing in the vicinity
of the suction openings and drive belts can lead to life
threatening injuries!
Hazards due to electrical energy
• Danger of short circuiting when connecting electrical
components.
• Due to high voltage and strong amperage, work should
be carried out only in a potential-free state.
• Due to static charge on the housing, proper grounding
should observed.
• All cables should be inspected for installation damage
prior to commissioning.
• Explosion hazard when conveying an explosive atmos-
phere (see Chapter 8: Explosion protection).
Hazard due to vibrations
Every rotating device has a critical turning speed range.
When operating in its range of resonance, the air handling
unit can experience mechanical damage.
The range of resonance for turning speed regulated drives
is to be determined during commissioning, bridged over
and recorded.
The company reserves the right to make design changes without prior notice.
Hazard due to operating media/materials
• Refrigerant from direct evaporator or condenser may
not be allowed to leak into the environment.
• In the event of fire, poisonous gases and smoke (flam-
mable materials) can result, which must not be inhaled.
• Avoid bodily contact with brine when cleaning, filling
or emptying. Danger of poisoning and injury! Observe
manufacturer's information.
• Compressor oil can provoke allergic reactions if con-
tacted or swallowed. Avoid bodily contact
• When cleaning the equipment, care must be taken,
that dust from the filters or components is not inhaled,
as allergens, fungi and bacteria may be contained
therein.
Hazard due to thermal influences
• Burn hazard from pipelines.
• Dangerous operating media include the electrical
heater, vapour humidifier and hot water.
• Freeze hazard from cold parts (e.g. cold water lines,
refrigerant lines) and cold components (e.g. cooler, suc-
tion chamber).
EN.SILVER.110322
www.swegon.com
3
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