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Thermozone AD300A/E, 400A/E
GB
General recommendations
Carefully read this instruction manual before
installation and use of the
Keep these instructions in a safe place for future
reference.
Application area
The Thermozone AD 300/400A/E air curtains are
intended for stationary/permanent installation
above entrances and industrial doors with a height
from 2 up to 4.5 meters, but can also be used for
industrial heating and drying. The unit can be
mounted above a doorway or recessed into a
ceiling. Protection class: IP21.
Operation
The air is drawn in at the top of the unit and blown
out at high velocity across the doorway, providing a
protective air shield. The air shield minimises cold
draughts and reduces heat loss through open
doorways. For best efficiency, the air curtain(s)
should cover the whole width of the opening.
The air director/grille is adjustable and is normally
angled outwards (5-10°) to achieve the best
protection.
The airflow can be adjusted by use of the fan
speed selector (CB30/CB32/RPE)
The efficiency of the air curtain(s) depends on the
air temperature and pressure differences across the
doorway and any wind pressure.
NOTE! Negative pressure in the building consid-
erably reduces the efficiency of the air curtain.
Ventilation should therefore be balanced.
Mounting
The units may only be installed horizontally over a
doorway with the air-stream directed downwards.
For the protection of wider doorways, several units
can be mounted next to each other.
For optimal performance it is recommended that a
minimum gap of 120mm is maintained above the
air-curtain.
The units can be fitted to the wall or suspended
from the ceiling. Two or three mounting consoles
are included with the air-curtain. NOTE: all 2 m
wide units must be fixed using three points of
attachment (one on each side and one in the
middle), when suspended from the ceiling or
mounted on the wall.
The M8 bolts (2 or 3) which slot into the to the
aluminium profile on top of the unit can slide
sideways, allowing the consoles to be mounted at
different distances from each other. (see details
page 2.)
Fitted on the wall or beam
1. Mount the consoles to the wall/beam, see fig. A
or B, page 3
2. Loosen the nuts on the upper side of the air
curtain to be able to fit the consoles between
the nut and the unit.
2 2
AD 300/400A/E
unit.
3. Mount the unit on to the consoles and tighten
the nuts.
Suspended from the ceiling
1. Mount the consoles to pendulums (ordered
separately) to obtain a suspension from the
ceiling. (See fig. C on page 3)
2. Threaded bars and nuts for this kind of
mounting are not included in the delivery.
Alternative mounting is to use the suspension set
ADPK1 (see fig. D on page 3)
Electrical installation
The air-curtain(s) should only be wired by a
competent electrician, and in accordance with
national regulations.
1 Remove the front plate by pressing a screwdriver
or similar in to the two holes (Ø 5mm)
underneath the edge of the front plate. Press
until it clicks and the front plate can be
openedand removed. See fig. on page. 3
2. Remove the lid of the connection box by
removing the two screws placed on the right
side of the unit. Remove the knockouts on top
of the unit (4xØ23mm, 2xØ38mm) for routing
of electrical supply and remote switching
cables.
Different combinations of fan speed and heat
output are detailed in the wiring diagrams on
pages 5-9. The cable-glands used must guarantee
the protection class requirements!
For the units with electrical heating, the power and
voltage can be supplied in different connection
areas (see wiring diagram). In the distribution
board it is to be indicated that "the air curtains can
be supplied from more than one connection".
Note! It is not advisable to put electrical cables
above the air intake at the top of the unit, due to
high temperatures.
Type
Output
kW
All manouver -
AD 310E09 9
AD 315E14 13,5
AD 320E18 18(9+9)
AD 410E14 13,5
AD 415E20 20
AD 420E27 27(13,5+13,5) 400V3~
Safety
• Ensure that the area around the intake and
exhaust grille is kept free from material
which could prevent the air to flow through
the unit!
• During operation the surfaces of the unit are hot!
• The unit must not be covered fully or
partially with clothes, or similar materials,
as overheating can result in a fire risk!
Voltage
Min. area
2
V
mm
230V~
1,5
400V3~
2,5
400V3~
4
400V3~ 10(2,5+2,5)
400V3~
4
400V3~
10
16(4+4)
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