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DF M
ANUAL
S
YMBOL
1.3
About the unit
Installation, Operating And Maintenance Manual version 1.0 (16-08-2023)
1.2.2 Symbols used on the unit and in the manual
The following symbols indicate possible risks or hazards. The
same symbols will also be found on the unit.
D
ESCRIPTION
w
You have accessed a section of the unit containing compo-
nents which carry a voltage.
Access restricted to qualified maintenance staff only.
Caution is required.
w
This surface or component may be hot. Risk of burns on
contact.
1.2.3 Related documentation
In addition to this manual, the following documentation is also
supplied with the unit:
•
wiring diagram for installation and servicing.
1.3.1 Application and operation of the air curtain
The air curtain is designed to separate indoor and outdoor cli-
mates. The unit draws air from the room and discharges it,
either heated or not, across the width of the doorway. The air
curtain removes the undesired effects of an open door by
either reducing the exchange of indoor and outside air, by
heating the entering air, or a combination of the two.
Mounting methods
The free-hanging model (type F) is designed for free, visible
installation above the door.
en
I
NTRODUCTION
en-5
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