AL-KO Prospekt Zuluftdecken Engl
Transcript of AL-KO Prospekt Zuluftdecken Engl
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SUPPLY-AIR-CEILING
FOR OPERATING THEATRES
SUPPLY-AIR-CEILING
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SeriesAL-KO Supply-Air-Ceilings
State-of-the-art – solutions
I low germ number in the operating
area and in the supply air flow
I low germ sedimentation
I low air speeds in the working area
I low harmful gas concentration also
in the anaesthetics work area
I good screening of the operating area
in case of disturbances by opening
doors
I minimum requirements according
to DIN 1946/4 are exceeded by far
I examination according to DIN 4799
by the Hermann Rietschel Institute
of the TU Berlin
I contamination-proof sealing of the
operating theatre light fixture
I low disinfection and maintenanceexpenditure
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System description
Results of the inquiry concerning the degree of contamination
of a Supply-Air-Ceiling-System with Size 1.8m x 2.4 m:
• Degree of contaminationDegree of contamination (exponential)
Prof. Dr.-Ing. K. Fitzner – University of Technology Berlin
H. Rietschel – Institute of heating engineering and air-conditioning technology
Degree of contamination (µs) / Air velocity (m/s)
0.4 µs
0.3 µs
0.2 µs
0.1 µs
0.0 µs
0.15 m/s 0.20 m/s 0.25 m/s 0.30 m/s
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SeriesAL-KO Supply-Air-Ceilings
The low, predominantly laminar air
velocity at the patient’s location must
be emphasised from the medical point
of view. The cooling down of the patient
is less than with turbulent flow systems.
The ceiling system is disinfectantresis-
tant and consists of a large output field,
equipped with patented laminarisators.
These consist of aluminium frames
covered with flow-optimised special
profiles with minimised frame width,
covered with a tear-proof, monofilament
polyester tissue.
The laminarising effect practically
excludes a secondary air contamination.
The support leadthrough is aerodynami-
cally designed, so that no wake areas orflow deflections occur. Installation
tolerances of the ceiling and support
can be compensated at the same time.
The HEPA-filter units in stable mounting
The AL-KO Supply-Air-Ceiling for oper-
ation theatres Type AL is a supply air
system with constant laminar flow for
all types of operating theatre. It is
characterised by particularly low germ
numbers in the operation field and low
harmful gas concentrations in theworking area of the operation team
with a high thermal comfort. The AL-KO
Supply-Air-Ceiling fulfils requirements
necessary for cleanroom technology.
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frames with clamping device, test
groove for the seal fit examination and
measuring connecting pieces are well
accessible, easy to assemble and
exchange without special tools. The
maintenance work can be accomplished
within the AL-KO Supply-Air-Ceiling
without intervention into the room
ceiling. Easy connection to the duct
system by duct flanges.
Manually adjustable or dampers with
actuators are available as an option.
Supply air box and ceiling housing are
made of galvanised steel with disinfect-
antresistant coating or of stainless
steel, material No. 1.4301. The AL-KO
Supply-Air-Ceiling, type AL, also fulfilsthe requirement of low germ numbers in
the operation area in spite of high thermal
loads. The contamination degree of less
than 0.1 is substantially lower than the
General explanation for series AL-KO Supply-Air-Ceilings
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minimum requirement of JJLS=0.67
according to DIN 1946/4 for operating
theatres of the type A, highly aseptic.
The examination according to DIN 4799
was accomplished by the Hermann Riet-
schel lnstitute for Heating and Air-Con-
dition Technology of the Technical
University of Berlin. The outstanding
temporal particle reduction characteris-
tic of the laminar flow system protects
the patient against air germs much
better than operating theatre supply
air systems with turbulent mixed flows.
Only the operating theatre supply air
ceiling with laminar displacement flow
offers protection, since the socalled
protection retention cannot preventparticle entry from adjacent areas in ope-
rating theatres with several closed doors
or with open doors. It ensures low
contamination in the working field.
A further benefit in comparison to tur-
bulent flow ceilings is the fact that the
germ sedimentation is much lower in
the laminar flow.
The AL-KO Supply-Air-Ceiling, type AL,
therefore ensures optimal protection
against infections for the patient.
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Abstract of patent
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SeriesAL-KO Supply-Air-Ceilings
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DESIGN CRITERIA FOR AL-KO SUPPLY-AIR-CEILINGS
Central and decentralized systems
Type AL-S
with verticalfi
lters
Type AL-H
with horizontal filters
Type AL-PA
for pathology
Central
Centralized Air Handling Unit
within the technical room fortotal supply of the OP-theatre
Decentral
Decentralized system with outside air
intake AHU, exhaust AHU and circula-tion AHU (as various options are
possible, only one schematic drawing
is shown)
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AL-KO Supply-Air-Ceilingtype AL-S
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AL-KO Supply-Air-Ceiling with vertical filters type AL-S
Smooth internal surfaces without corners and edges
Easy and safe maintenance of filters including test
procedure for tightness
Lamp shaft with maintenance plate for better sevice
Operation lamp for installation through OP-Ceiling
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AL-KO Supply-Air-Ceilingtype AL-S
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Technical data with sizes and dimensions type AL-S
Length L
Size for damper orduct connection
Size for damper orduct connection
a a
W i d t h B
1 7 5
View from below
View from above
Lamp opening
500 / 600
Item no. Type Scheme Length Width Air-volume Pressure loss Weight Duct connection
L B 0.20 m/s 0.25 m/s 0.20 0.25 kg St. a b
mm mm m3 / h m3 / h Pa Pa mm mm
1 24124 2 400 1 200 2 074 2 592 186 233 170 2 873 263
2 24144 2 400 1 400 2 419 2 024 215 269 190 2 873 263
3 24184 2 400 1 800 3 110 3 888 212 265 235 4 568 263
4 30184 2 400 1 800 3 888 4 860 210 262 270 4 720 263
5 24244 2 400 2 400 4 147 5 184 202 253 295 2 720 263
2 873 263
6 30244 3 000 2 400 5 184 6 480 201 251 320 4 568 263
2 873 263
HEIGHT H = 400 MM
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Access
Panel
5 0
H
4 0 0
b 2 6 3
( b 1 6 1 )
( H
3 0 0 )
Item no. Type Scheme Length Width Air-volume Pressure loss Weight Duct connection
L B 0.20 m/s 0.25 m/s 0.20 0.25 kg St. a b
mm mm m3 / h m3 / h Pa Pa mm mm
1 24123 2 400 1 200 2 074 2 592 182 227 175 4 720 161
2 24143 2 400 1 400 2 419 2 024 210 262 195 4 720 161
3 24183 2 400 1 800 3 110 3 888 210 262 240 4 568 161
2 720 161
4 30183 3 000 1 800 3 888 4 860 210 263 280 4 720 161
2 873 161
5 24243 2 400 2 400 4 147 5 184 210 263 305 2 720 161
4 873 161
6 30243 3 000 2 400 5 184 6 480 204 255 330 4 720 161
4 873 161
Options:
I Casing made out of galvanized
steel with painting (resistant
against disinfection) or stainless
steel 1.4301
I Filter frame made out of reinforcedfiber material or galvanized steel
I Duct connections with or without
airtight dampers with actuators
HEIGHT H = 300 MM
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AL-KO Supply-Air-Ceilingtype AL-S
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Tendertext type AL-S
Supply-Air-Ceiling for operating theatresParticularly suitable for generating a laminar clean air
flow, while avoiding secondary air contamination, for the
creation of a sterile operating area, complying with the
test report according to DIN 4799, for ceiling-flush
installation, in a flat design, consisting of:
Ceiling housingas a pressure box according to the over-pressure principle
to prevent leak air flows, housing ready for assembly,
suitable for transportation through normal doors
Material ceiling housing and filter frame:
Galvanised steel sheet with
disinfectantresistant coating
Stainless steel, material No. 1.4301
HEPA-filterAccording to DIN EN 1822, class H13 with both-way handle
protection, on stable mounting frame with clamping device
and test groove for the filter seal fit examination, complete
with pressure measuring connecting piece, Frame material:
Medium densified fibre board
Aluminium
LaminarisatorsAccording to the European patent 0 355 517 B1, as large-
area ceiling panels, whose good laminarising characteristics
almost exclude a secondary air contamination, consisting
of aluminium frames with minimised frame width, without
lee areas between the ceiling panels, with a monofilament
polyester tissue covering, flame and disinfectant-resistant,
colour white, simple disassembly of the air distribution
frame without tools.
= Optional, please select
Support leadthroughAerodynamically designed to avoid airflow disturbances
to a large extent and thus contamination, built in dead
centre into the air outlet, with tolerance compensation
for the support position.
Accessories Duct connecting piece made of galvanised steel sheet
Galvanised airtight damper according to DIN 1946-4,
manually operated
Airtight damper with electrical servo motor
with spring return
Airtight damper with pneumatic servo motor
Pressure monitoring with remote display
Spare filters
Basic lighting
Performance and dimensionsSupply air volume flow m3 /h
Exit speed m/s
Air resistance (Start) Pa
Length x Width mm
Height mm
Weight kg
Number and dimensions of the filters mm
Number and dimensions of the connecting pieces mm
Delivery and assembly including all auxiliary material, as
well as accomplishment and recording of the acceptance
inspection according to DIN 1946 Bl. 4 paragraph 10.2.2
(Edition 03/99)
Manufacturer AL-KO THERM GmbH
Type AL-S
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AL-KO Supply-Air-Ceilingtype AL-H
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Supply-Air-Ceiling with horizontal filters type AL-H
Supply-Air-Ceiling AL-H with media supply Typical design of AL-H with air guiding
curtains and media supply
Filter frame: stainless steele
Laminarisator with HEPA filter HEPA filter Closed laminarisator
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AL-KO Supply-Air-Ceilingtype AL-H
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Technical data with sizes and dimensions type AL-H
1 2626 415 175 800 520 340 800 415 504 710 2 660 2 660 5 095 6 370 618 508 315
2 2828 415 175 900 520 340 900 415 504 800 2 810 2 810 5 685 7 110 768 658 360
3 2929 415 175 1 000 520 340 1 000 415 669 710 2 960 2 960 6 310 7 885 618 508 400
4 3030 415 175 1 120 520 340 1 120 415 669 800 3 055 3 055 6 720 8 400 660 660 440
5 3232 415 175 1 250 520 340 1 250 415 834 710 3 265 3 265 7 675 9 595 636 564 520
Scheme 1 Scheme 2+3 Scheme 4 Air-volume
Item Type Length Width Pressure loss Lamp Weight
no. 100 Pa opening
0.20 0.25
H h b H h b H h b L B m/s m/s c d
mm mm mm mm mm mm mm mm mm mm mm m3 /h m3 /h mm mm kg
Partial deliveryPartial delivery
abh
bh
A
35 35
B
Cut A / B
3 0
h
H
B
c
d
35 35B
3 5
1 7 5
L
TYPE AL-H
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Supply-Air-Ceiling for operating theatresParticularly suitable for generating a laminar clean air
flow, while avoiding secondary air contamination, for the
creation of a sterile operating area, complying with the
test report according to DIN 4799, for ceiling-flush
installation, in a flat design, consisting of:
Ceiling housingAs a pressure box according to the over-pressure principle
to prevent leak air flows, housing ready for assembly,
suitable for transportation through normal doors.
Material ceiling housing and filter frame:
Galvanised steel sheet with disinfectantresistant coating
Stainless steel, material No. 1.4301
HEPA-filterAccording to DIN EN 1822, class H13 with both-way handle
protection, on stable mounting frame with clamping device
and test groove for the filter seal fit examination, complete
with pressure measuring connecting piece.
Frame material:
Medium densified fibre board
Aluminium
LaminarisatorsAccording to the European patent 0 355 517 B1, as large-
area ceiling panels, whose good laminarising characteristics
almost exclude a secondary air contamination, consisting
of aluminium frames with minimised frame width, without
lee areas between the ceiling panels, with a monofilament
polyester tissue covering, flame and disinfectant-resistant,
colour white, simple disassembly of the air distribution
frame without tools.
= Optional, please select
Support leadthroughAerodynamically designed to avoid airflow disturbances
to a large extent and thus contamination, built in dead
centre into the air outlet, with tolerance compensation
for the support position.
Accessories Duct connecting piece made of galvanised steel sheet
Galvanised airtight damper according to
DIN 1946-4, manually operated
Airtight damper with electrical
servo motor with spring return
Airtight damper with pneumatic servo motor
Pressure monitoring with remote display
Spare filters
Basic lighting
Performance and dimensionsSupply air volume flow m3 /h
Exit speed m/s
Air resistance (Start) Pa
Length x Width mm
Height mm
Weight kg
Number and dimensions of the filters mm
Number and dimensions of the connecting pieces mm
Delivery and assembly including all auxiliary material, as
well as accomplishment and recording of the acceptance
inspection according to DIN 1946 Bl. 4 paragraph 10.2.2
(Edition 03/99)
Manufacturer AL-KO THERM GmbH
Type AL-H
Tendertext type AL-H
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AL-KO Supply-Air-Ceilingtype AL-PA
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AL-KO Supply-Air-Ceiling for pathology and anatomytype AL-PA
View from below View from above
300
1800
4 0 0
3 0 0
8 0 0
3 0 0
300
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DescriptionThe Supply-Air-Ceiling Type AL-PA ensure a continuous
laminar flow for the total area according to DIN1946-4
(March 1999). This warranties optimum working condi-
tions as f.e. protection against infection and a bet ter
thermal comfort. The particles and the amount of gaswill be reduced. Also the required values for MAKguide-
lines are ensured. The installation of the ceiling and the
fitting of lighting devices can be done very easily.
Technical dataAir supply volume 1 040 m3 /h
Air velocity 0,2 m/s
Pressure loss 25 Pa
Value of contamination according to:
DIN 1946-4 > 01Temperature difference R - tZU
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Air guiding curtains
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Air guiding curtains
Air curtains are stabilizing the laminar
flow, minimizing the entry of germs
and enlarging the entire zone. Curtains
are most efficient if the air supply field
is close to the curtain and the length
of the curtain is done accordingly.
Air curtains are mechanically strong,
resistant against desinfection liquids
and protected against scratches. There-
fore special glass need to be used.
LS-VR
Air curtain 8 mm safety glass, for suspended
installation, framed with aluminium profiles.
LS-VB
Air curtain 8 mm safety glass for suspended
installation with profile, gaps are sealed.
LS-VF
Air curtain with 8 mm safety glass, fixed at
the Media Supply Elements gaps are sealed.
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Separator for slubs
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Separatorfor slubs
Separators protecting the ducts and
the components against sedimentation
and provide better economic and
service operation of the entire air
handling system. There are various
solutions for ceiling and wall installa-tion available.
Installation types RAC-A/E and RAC-D:
2.5A/B
25
1 6 . 5
A/B
25
1 7 . 5
1A/B
2520
1 6 . 5
Application AFL-E
Construction type RAC-E
Application AFL-A
Construction type RAC-A
Wall installation type RAC-A
Application AFL-Z
Construction type RAC-Z
Ceiling installation type RAC-D
DRAWINGS
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Air-handling-units for hygienic application
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AT4 AHU for hygienic application
The VDI guideline 6022,
part 1 and 3…
… defines the hygienic requirements
for AHU with regard to:
I planning
I design
I operation
I service
I maintenance…
… according to highest technical
standard
… represents a qualified hygienic
standard providing planning security
and avoidance of problems
AL-KO AHU comply to these
requirements.
We recommend a design check
(Institut für Lufthygiene)
Complies with all national and European standards
2 0 0 7 - 2 0
1 0
CONFORMITY
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General requirements of VDI 6022
for manufacturers of AHU:
I all materials must comply with health
requirements and prevent microbio
logical growth
I sandwich panel construction
I low condensation tendency
I smooth internal surfaces
I grooves easily cleanable
I bottom panel surface powder coated
or made in stainless steel
I all units and components are easily
accessible and equipped with lighting
where necessary and sight glasses
(possible to darken)
I continuous and complete condensate-
drainage
I use of fans with access for cleaning
I sealing materials must be closed-cell
type and not absorb moisture, give out
odours or form a nutritive medium for
microorganisums
I hygienically appropriate manufacture,
transportation and intermediate
storage at the place of installation
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Air-handling-units for hygienic application
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AL-KO solutions
1 Construction
I Providing enough maintenance space
I Consideration of excellent air flow
conditions for connections and air
dampers
I The outside air dampers have to
be installed internally to avoidcondensation
I A drain pan under outside air filter
ensure better cleaning
I All relevant components are available
either fully powder coated or in stain-
less steel
I Various design for all applications with
AL-KO software Klima@Soft
Examples
I Place silencer immediately down-
stream the fan, eliminator always
behind cooler. Alternative: Fan and
cooler in the direction of air flow
I The use of a direct driven fan or a fan
with flat belt drive requires only filterclass F7 for the supply air
Not approved (e. g.)
I Filter or silencer downstream a
humidifier
I Cooling coil without eliminator
2 Housing construction
I Sandwich panels
I No condensation tendency (category
T3 / TB 3 or T2 / TB 2)
I Smooth internal surfaces without
corners and edges
I Powder coated panels or internalpanels in stainless steel
I Avoidance of corrosive tin-plated
panel surfaces with unprotected
cutting edges
I Door and panel seals are foamed
seamlessly, have a high densit y,
and are non-ageing
I All sections are easily accessible, have
the necessary lighting, access doors,
and sight glasses
I Possibility of cabling mainly outside
the casing: no additional dirty corners
1 1 2 2
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3 Filter
Filter construction:
I Microbiological inert filter materials
I Only use of closed - cell type sealing
I Mechanically sufficiently stable
materials even during humidity
I Filter differential pressure controloptically or electrically as standard
I Use of quality filters with test
certificates
Filter installation:
I Correct installation of filter to prevent
mechanical stress on the filter medium
I Filter maintenance with easy access by
using filter quick snap device
I Cleanable filter section optional with
drain pan
4 Sealing materials
All used materials
I have been tested extensively
I prevent microbacterial growth
I are resistant to disinfectants
I permit physical and chemical
disinfection
5 Fans
Prevention of belt wear through:
I use of direct driven fans (plug fans)
I use of flat belts for belt driven fans
Casing with water drainage and cleaning
access (from size 400 onwards)
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AL-KO THERM GmbH
Hauptstraße 248-250
89343 Jet tingen-Scheppach
Phone (+49) 8225 / 39- 176
Fax (+49) 8225 / 39- 55176
E-mail [email protected]
www.al-ko.com