AL-KO INDUSTRY Series User manual

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3910832 Subject to changes in keeping with technical developments!
OPERATING AND INSTALLATION INSTRUCTIONS
AIR HEATER / AIR COOLER
INDUSTRY
VENTILATION AND CENTRAL AIRCONDITONING DEVICES
GB

Translation from the original operating instruction2
AL-KO AIR HEATER / AIR COOLER INDUSTRY
Table of contents
1. Information concerning this handbook..................................................................4
1.1 Description of symbols...............................................................................................................................4
1.2 Regulations and standards .........................................................................................................................4
1.3 Legal information .......................................................................................................................................4
2. Safety information .........................................................................................5
2.1 Appropriate use ..........................................................................................................................................5
2.2 Possible inappropriate uses........................................................................................................................5
2.3 Residual risks.............................................................................................................................................6
2.4 Delivery ......................................................................................................................................................6
2.5 Storage, transport ......................................................................................................................................6
2.6 Duties of the operating company................................................................................................................7
2.7 Disposal of the packaging...........................................................................................................................7
3. Product description ........................................................................................ 8
3.1 Declaration of incorporation .....................................................................................................................10
3.2 Declaration of conformity .........................................................................................................................11
3.3 Technical data...........................................................................................................................................12
3.3.1 TYPE LH-… N/NF .....................................................................................................................................12
3.3.2 TYPE LH-… H/HF .....................................................................................................................................13
3.3.3 TYPE LH-… D/DF .....................................................................................................................................14
3.3.4 TYPE LH-… S/SF......................................................................................................................................15
3.3.5 TYPE LH-… EL.........................................................................................................................................16
3.3.6 TYPE LK-… N/B/K; N/B/K/P;.....................................................................................................................17
3.4 Condensate pump.....................................................................................................................................18
3.5 Accessory.................................................................................................................................................18
4. Transport .................................................................................................. 29
4.1 Fork lift / industrial truck transport ..........................................................................................................29
5. Assembly .................................................................................................. 30
5.1 Wall-mounting the devices .......................................................................................................................30
5.2 Ceiling installation of the devices..............................................................................................................32
5.3 Mounting the accessory components.......................................................................................................34
5.4 Heat exchanger connection ......................................................................................................................34
5.5 Condensate pump.....................................................................................................................................35
5.6 Electrical connection.................................................................................................................................37
5.6.1 Fan............................................................................................................................................................37
5.6.2 Electrical air heater ...................................................................................................................................39
5.6.3 Cable list...................................................................................................................................................41
6. Operation / general information ....................................................................... 41
7. Switch cabinet ............................................................................................ 41
8. Maintenance .............................................................................................. 42
8.1 Safety .......................................................................................................................................................42
8.2 Consumables and spare parts ..................................................................................................................42
8.3 Maintenance plan .....................................................................................................................................42
8.4 Checking the components ........................................................................................................................43
8.4.1 Checking the heat exchanger....................................................................................................................44
8.4.2 Checking the condensate pump................................................................................................................44
8.4.3 Check the louvre slats...............................................................................................................................44

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3910832 Subject to changes in keeping with technical developments!
"Table of contents"
8.4.4 Checking the fans .....................................................................................................................................44
8.4.5 Check the lters........................................................................................................................................44
8.5 Cleaning the components .........................................................................................................................44
8.5.1 Clean the heat exchangers........................................................................................................................45
8.5.2 Cleaning the condensate pump.................................................................................................................45
8.5.3 Cleaning the louvre slats...........................................................................................................................45
8.5.4 Clean the fans...........................................................................................................................................45
8.6 Exchanging components ..........................................................................................................................45
8.6.1 Exchanging the lter bags ........................................................................................................................45
8.6.2 Exchanging the heat exchanger ................................................................................................................46
8.6.3 Exchanging the condensate pump............................................................................................................46
8.6.4 Exchange the outlet vents.........................................................................................................................46
8.6.5 Exchanging the fan ...................................................................................................................................46
9. Help with faults........................................................................................... 46
9.1 Contact person .........................................................................................................................................47
9.2 General faults ...........................................................................................................................................47
10. Shut-down................................................................................................. 47
10.1 Decommissioning.....................................................................................................................................47
10.2 Dismantling ..............................................................................................................................................47
10.3 Disposal....................................................................................................................................................47

Translation from the original operating instruction4
AL-KO AIR HEATER / AIR COOLER INDUSTRY
1. Information concerning this handbook
Read this documentation before installation and commissioning. This is a requirement for safe working and fault-
free operation.
Adhere to the safety and warning notes in this documentation and on the product.
This documentation is a permanent part of the product described and should be handed to the buyer in the event
of a sale!
1.1 Description of symbols
Warning!
This symbol refers to safety procedures that are required to prevent injuries!
Caution!
This symbol refers to safety procedures that are required to prevent damage to goods!
Special information to improve comprehension and handling.
1.2 Regulations and standards
The following standards and regulations were applied during the design phase and also apply to installation, commis-
sioning, operation and maintenance:
DIN EN ISO 12100 Safety of machinery – General principles for design – Risk assessment and risk reduction
DIN EN 60204-1 Safety of machinery – Electrical Equipment of machines – Part 1: General requirements
DIN EN 349 Safety of machinery – Minimum gaps to avoid crushing of parts of the human body
DIN EN ISO 13857 Safety of machinery – Safety distances to prevent hazard zones being reached by upper and
lower limps
VDMA 24167 Fans - Safety requirements
2006/42/EC Machinery Directive
97/23/EC Pressure Equipment Directive
2004/108/EC Electromagnetic Compatibility
1.3 Legal information
All data provided are only intended to describe the product. They do not guarantee a certain composition of the system
or its suitability for a specic application. This information does not release the user from his obligation to perform
evaluations and tests.

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3910832 Subject to changes in keeping with technical developments!
2. Safety information
Please take note of these issues to prevent injuries, res and other hazards caused by inappropriate use and operation
of the air heater / air cooler:
Warning!
Installation, electrical connection, media supply connection, maintenance, commissioning, repair, etc. may only
be performed by trained staff.
Before any work on the air heater / air cooler is undertaken, it must be ensured that the power supply is switched off
(all-pole separation) and secured against unauthorised re-operation!
Only operate the air heaters / air coolers once they have been completely assembled and provided with appropriate
reach-in protection.
All claims for damages or warranties become void when the installation does not comply with our stipulations or when
the fault/damage is causally related to inappropriate alterations, processing or other treatment. The user must prove that
the fault is not due to inappropriate installation.
The general maintenance instructions in the operating and installation instructions for the AL-KO air heaters / air coolers
must always be adhered to.
The implementation and design of the air heater / air cooler corresponds to the standards listed in the declaration of
conformity and declaration of incorporation to minimise the risk potential posed by the air heater. The potential risk can
only be minimised when these additional, applicable standards for the installation-ready system are adhered to by the
system builder.
It must be ensured that all authorised persons have read and understood all of the operating and installation instructions
and adhere to them!
All plant, company and work instructions of the user apply in addition to these operating instructions to prevent hazards
within the company.
Personal protective equipment is required for work on the air heater / air cooler!
2.1 Appropriate use
The application range for AL-KO air heaters / air coolers is exclusively air heating or cooling and optionally ventilation
(air heaters) and cleaning of outside air or air inside rooms and buildings with normal climate and normal atmosphere.
The air heaters / air coolers may only be operated in an environmental temperature range between -20 °C and +40 °C and
a humidity range between 50% and 85% relative humidity without condensation.
Installation of the air heaters / air coolers at a location more than 800 m above sea level may lead to a drop in perfor-
mance and has to be investigated on a case-by-case basis.
Different areas of application should be discussed with the manufacturing plant.
2.2 Possible inappropriate uses
AL-KO air heaters / air coolers may only be operated within the range specied in the technical data provided by AL-KO.
Any other or further use that deviates from the description in Point "2.1" Appropriate use" is deemed inappropriate use.
The manufacturer is not liable for damage resulting from such use.
Possible inappropriate use includes, for example:
Transport of media with temperatures above or below the permitted range, aggressive media or media containing
a lot of dust.
Use in an explosive atmosphere.
"Safety information"

Translation from the original operating instruction6
AL-KO AIR HEATER / AIR COOLER INDUSTRY
2.3 Residual risks
The air heater / air cooler may pose risks when it is used by untrained persons or in an incorrect or inappropriate way.
Residual risks are potential risks that are not obvious, e.g.:
Injuries due to not adhering to the safety instructions, standards, guidelines or regulations
Injuries due to uncoordinated work.
Risk due to working on the electrical system, the cables and the connections
2.4 Delivery
AL-KO air heaters / air coolers are delivered in cardboard boxes or on pallets incl. lm packaging!
2.5 Storage, transport
Warning! Caution!
Store the air heaters / air coolers in their original packaging in a dry place and protected against the weather.
Cover open pallets with tarpaulins and protect the air heaters / air coolers against dirt (e.g. chips, stones, wire, etc.)
Additional, protective packaging must be used for transport under harsh conditions, (e.g. on open vehicles, exposed
to unusual vibration, transport by sea or in subtropical countries).
Prevent repeated and, in particular, sudden temperature changes. They are particularly harmful when the humidity
can condense.
Check the ease of movement of the fan bearings (turn them by hand) after storage periods longer than 1 year.
The device can be transported with a fork lift or and industrial truck as described in Point 4.1 "Fork lift / industrial
truck transport".
Clear vision must be ensured during the transport
(use support staff as required)
No persons may remain in the transport area.
The relevant worker safety and environmental protection regulations must be adhered to during transport.
The air heater / air cooler may only be transported by educated, trained and instructed personnel and with appropri-
ate consideration of safety issues.
It must be ensured that drivers have appropriate driving licences when transporting devices requiring a driving li-
cence.
Avoid twisting of the housing or other forms of damage.
Damage caused by in appropriate packaging, storage or transport are to be borne by the party that caused them.
When the system stands still for more than one month, the fan must be turned once a month to prevent damage to
the bearings.

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3910832 Subject to changes in keeping with technical developments!
2.6 Duties of the operating company
The operator of the AL-KO products must regularly train his staff with regard to the following:
Adherence to and use of the operating and installation instructions as well as the legal regulations.
Appropriate operation of the air heater / air cooler.
Adhere to the instructions of the company security and the operating instructions of the operating company as re-
quired.
Conduct in emergencies
2.7 Disposal of the packaging
Disposal of the packaging must be performed according to the currently valid, local environmental and
recycling regulations of your country and your municipality.
"Safety information"

Translation from the original operating instruction8
AL-KO AIR HEATER / AIR COOLER INDUSTRY
3. Product description
AL-KO air heaters / air coolers of the INDUSTRY series consist of a stable, self-supporting steel sheet housing which is
sendzimir-galvanised and has additional powder coating. A galvanised, adjustable diffusion grid with slats is installed
and adjusted at the air outlet as a standard tting. A maintenance-free axial fan ensures low-noise operation. The drives
of the AL-KO air heaters / air coolers are external rotor motors. They have a permanently lubricated deep-groove ball
bearing and the fan forms a single unit with the rotor. A heat exchanger for air heating / cooling is installed in the hous-
ing next to the fan. This is implemented as a nned heat exchanger depending on the type (Type N / NF made of Cu /
Al, Type H / HF made of FeZn / FeZn, Type D / DF made of FeZn / Fe, Type S / SF made of FeZn / Fe) or as an electrical
heating register (Type EL made of V4A). The air heating / air cooling devices can be extended by various attachment and
electronic accessories.
Our products are subject to continuous quality control and comply with the relevant, currently valid regulations.
Type key IND:
LH IND 140 3 N
Device type
LH IND Air heater industry
LK IND Air cooler Industry
Device size
140
250
400
650
1000 (only N/NF version)
Heat exchanger type
1 1 row of pipes, distance of ns 2.5 mm For D/DF devices
2 2 rows of pipes, distance of ns 2.5 mm For N/NF and D/DF devices
3 3 rows of pipes, distance of ns 2.5 mm For N/NF devices
4 4 rows of pipes, distance of ns 2.5 mm For N/NF devices
6 6 rows of pipes, distance of ns 3.5 mm For N/NF devices
1.5 1 rows of pipes, distance of ns 2.5 mm For H/HF devices
2.0 2 rows of pipes, distance of ns 4.0 mm For H/HF and S/SF devices
2.5 2 rows of pipes, distance of ns 2.5 mm For H/HF and S/SF devices
Device versions
N Standard version
NF Standard version with lter
H Steel version
HF Steel version with lter
D Steam version
DF Steam version with lter
S Special version
SF Special version with lter
Supplementary text for additional options
K Bracket
KD Bracket for ceiling installation
KM Short bracket version
KFM Medium bracket version
KFKM Long bracket version
Q Crossbeams
X Support clamp set
Z Ceiling support (Z-prole)

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3910832 Subject to changes in keeping with technical developments!
ZZ Ceiling support (angle bracket)
B Broad air outlet
AD Outlet nozzle with slats
D1 Outlet nozzle (gate air curtain outlet, narrow side)
D2 Outlet nozzle (gate air curtain outlet, broad side)
V Four-side outlet
IJ Injection slats
IJ...WA Wall mounting + automatic adjustment
IJ...WH Wall mounting + manual adjustment
IJ...DA Ceiling mounting + automatic adjustment
IJ...DH Ceiling mounting + manual adjustment
TA Droplet separator (only for Type code LK)
MLK Mixed air box
FK Filter box
ALK External air box
SG Protective grid
SGS Canvas connector (for the side)
SGW Canvas connector (for wall feed-through)
KA5 Duct connecting piece (0.5 m)
KA10 Duct connecting piece (1.0 m)
KAW5 Duct connecting piece (0.5 m for WG)
KB Channel elbow
WG External air intake grid (weather protection grid)
KAR Duct connection frame
KARW Duct connection frame (wall)
ALH External air connection hood
RK Rain collar
UA Recirculated air intake piece
V4A Stainless steel housing
P Condensate pump
Type key for IND EL:
LH IND 140 EL 4 kW
Device type
LH IND Air heater industry
Device size
140
250
400
650
1000
Heat exchanger type
EL Electrical heating register
Electrical power
4 kW, 8 kW, 10 kW For BG 140
12 kW, 15 kW, 20 kW For BG 250
20 kW, 28 kW, 35 kW For BG 400
30 kW, 45 kW, 55 kW For BG 650
45 kW, 60 kW, 75 kW For BG 1000
Supplementary text for additional options
Options, see Type Key IND
"Product description"

Translation from the original operating instruction10
AL-KO AIR HEATER / AIR COOLER INDUSTRY
3.1 Declaration of incorporation

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3910832 Subject to changes in keeping with technical developments!
3.2 Declaration of conformity
"Product description"

Translation from the original operating instruction12
AL-KO AIR HEATER / AIR COOLER INDUSTRY
3.3 Technical data
3.3.1 TYPE LH-… N/NF
Type Dimensions in mm Heat exchanger connection
a
mm
b
mm
c
mm
d
mm
e
mm
f
mm
g
mm
2
Type
N/NF
3
Type
N/NF
4
Type
N/NF
6
Type
N/NF
LH-140 N/NF 560 440 360/500 399/539 344 98 167 3/4‘‘ 1‘‘ 1 1/4‘‘ 1 1/4‘‘
LH-250 N/NF 640 515 360/500 402/542 419 98 167 3/4‘‘ 1‘‘ 1 1/4‘‘ 1 1/4‘‘
LH-400 N/NF 800 630 360/500 427/567 534 98 167 1‘‘ 1 1/4‘‘ 1 1/4‘‘ 1 1/4‘‘
LH-650 N/NF 880 740 390/500 501/611 644 98 167 1 1/4‘‘ 1 1/4‘‘ 1 1/2‘‘ 1 1/2‘‘
LH-1000 N/NF 1040 890 390/500 465/575 794 98 167 1 1/4‘‘ 1 1/2‘‘ 1 1/2‘‘ 1 1/2‘‘
Type Weight in kg Water content in l
2
Type
N/NF
3
Type
N/NF
4
Type
N/NF
6
Type
N/NF
2
Type
N/NF
3
Type
N/NF
4
Type
N/NF
6
Type
N/NF
LH-140 N/NF 24/27 25/28 28/31 30/32 1.8 2.5 2.0 2.6
LH-250 N/NF 31/34 33/37 36/39 39/41 3.0 3.9 2.7 3.6
LH-400 N/NF 42/46 46/50 48/52 54/58 4.6 6.2 4.4 6.0
LH-650 N/NF 55/59 59/67 64/67 71/75 5.6 8.4 6.4 8.6
LH-1000 N/NF 74/79 79/84 85/90 94/98 10.0 12.7 9.0 12.3
Fig.: Type LH…-N device series
Fig.: Type LH…-NF device series

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3910832 Subject to changes in keeping with technical developments!
3.3.2 TYPE LH-… H/HF
Type Dimensions in mm Heat exchanger connection
a
mm
b
mm
c
mm
d
mm
e
mm
f
mm
g
mm
1.5
Type H/HF;
2.0
Type H/HF;
2.5
Type H/HF;
LH-140 H/HF 560 440 360/500 399/539 335 98 167 3/4‘‘ 1‘‘ 3/4‘‘
LH-250 H/HF 640 515 360/500 402/542 410 98 167 3/4‘‘ 1‘‘ 3/4‘‘
LH-400 H/HF 800 630 360/500 427/567 524 98 167 1‘‘ 1 1/4‘‘ 1‘‘
LH-650 H/HF 880 740 390/500 501/611 634 98 167 1‘‘ 1 1/4‘‘ 1 1/4‘‘
Type Weight in kg Water content in l
1.5
Type H/HF
2.0
Type H/HF
2.5
Type H/HF
1.5
Type H/HF
2.0
Type H/HF
2.5
Type H/HF
LH-140 H/HF 44/47 59/62 61/64 4.0 8.0 8.0
LH-250 H/HF 59/62 74/78 84/87 5.0 11.0 11.0
LH-400 H/HF 84/88 108/112 125/129 7.0 15.0 15.0
LH-650 H/HF 108/112 138/142 159/162 9.0 19.0 19.0
Fig.: Type LH…-H device series
Fig.: Type LH…-HF device series
"Product description"

Translation from the original operating instruction14
AL-KO AIR HEATER / AIR COOLER INDUSTRY
3.3.3 TYPE LH-… D/DF
Type Dimensions in mm NW 1 heat exchanger connec-
tion
a
mm
b
mm
c
mm
d
mm
e
mm
f
mm
g
mm
h
mm
1.0
Type D/DF
2.0
Type D/DF
LH-140 D/DF 560 440 360/500 399/539 321 153 103 88 DN 25 DN 40
LH-250 D/DF 640 515 360/500 402/542 396 153 103 88 DN 25 DN 40
LH-400 D/DF 800 630 360/500 427/567 513 148 103 88 DN 32 DN 50
LH-650 D/DF 880 740 390/500 501/611 621 143 103 88 DN 40 DN 50
Type Weight in kg Water content in l
1.0
Type D/DF
2.0
Type D/DF
1.0
Type D/DF
2.0
Type D/DF
LH-140 D/DF 47/50 54/57 4.0 9.0
LH-250 D/DF 60/63 88/91 6.0 12.0
LH-400 D/DF 84/87 106/109 8.0 16.0
LH-650 D/DF 105/108 146/149 10.0 21.0
c
b
a
h
d
g
e
f< 30 NW 1 Intake
DN 25 Outlet
Fig.: Type LH…-D device series
c
b
a
h
d
g
e
f< 30 NW 1 Intake
DN 25 Outlet
Fig.: Type LH…-DF device series

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3910832 Subject to changes in keeping with technical developments!
3.3.4 TYPE LH-… S/SF
Type Dimensions in mm Heat exchanger connection
a
mm
b
mm
c
mm
d
mm
e
mm
f
mm
g
mm
i
mm
2.0
Type S/SF
2.5
Type S/SF
LH-140 S/SF 560 440 360/500 399/539 316 204 100 104 3/4‘‘ 3/4‘‘
LH-250 S/SF 640 515 360/500 402/542 406 204 100 104 3/4‘‘ 3/4‘‘
LH-400 S/SF 800 630 360/500 427/567 522 202 102 100 1‘‘ 1‘‘
LH-650 S/SF 880 740 390/500 501/611 620 197 107 90 1‘‘ 1‘‘
Type Weight in kg Water content in l
2.0
Type S/SF
2.5
Type S/SF
2.0
Type S/SF
2.5
Type S/SF
LH-140 S/SF 63/73 67/77 4 9
LH-250 S/SF 75/85 80/90 6 12
LH-400 S/SF 108/118 117/127 8 16
LH-650 S/SF 138/148 150/160 10 21
Fig.: Type LH…-S device series
Fig.: Type LH...-SF device series
"Product description"

Translation from the original operating instruction16
AL-KO AIR HEATER / AIR COOLER INDUSTRY
3.3.5 TYPE LH-… EL
Type Dimensions in mm Weight in kg
a
mm
b
mm
c
mm
d
mm
e
mm
f
mm
h
mm
Type
4 kW
Type
8 kW
Type
10 kW
Type
12 kW
LH-140 EL 560 440 360 399 386 98 150 28 31,5 31.5 -
LH-250 EL 640 515 360 402 460 98 150 - - - 38,5
LH-400 EL 800 630 360 427 734 98 150 - - - -
LH-650 EL 880 740 390 501 684 98 150 - - - -
LH-1000 EL 1040 890 390 465 834 98 150 - - - -
Type Weight in kg
Type
15 kW
Type
20 kW
Type
28 kW
Type
35 kW
Type
30 kW
Type
45 kW
Type
55 kW
Type
60 kW
Type
75 kW
LH-140 EL - - - - - - - - -
LH-250 EL 38.5 42.5 - - - - - - -
LH-400 EL - 53,5 59,5 65,5 - - - - -
LH-650 EL - - - - 71,5 78,5 84,5 - -
LH-1000 EL - - - - - 105,5 - 113,5 128,5
Fig.: Type LH…-EL device series

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3910832 Subject to changes in keeping with technical developments!
3.3.6 TYPE LK-… N/B/K; N/B/K/P
Type Dimensions in mm
a
mm
b
mm
c
mm
d
mm
e
mm
f
mm
g
mm
h
mm
m
mm
n
mm
o
mm
LK-140 N/B/K; N/B/K/P 560 440 360 399 344 98 167 270 591 490 497/492
LK-250 N/B/K; N/B/K/P 640 515 360 402 419 98 167 270 671 490 572/567
LK-400 N/B/K; N/B/K/P 800 630 360 427 534 98 167 270 831 490 687/682
LK-650 N/B/K; N/B/K/P 880 740 390 501 644 98 167 340 911 520 797/792
LK-1000 N/B/K; N/B/K/P 1040 890 390 465 794 98 167 390 1071 520 947/942
Type Heat exchanger
connection
Weight in kg
3
Type
N
4
Type
N
6
Type
N
3
Type N/B/K
Type N/B/K/P
4
Type N/B/K
Type N/B/K/P
6
Type N/B/K
Type N/B/K/P
LK-140 N/B/K; N/B/K/P 1‘‘ 1 1/4‘‘ 1 1/4‘‘ 35/36 36.5/37.5 37.5/39
LK-250 N/B/K; N/B/K/P 1‘‘ 1 1/4‘‘ 1 1/4‘‘ 43/44 45/46.5 48/49.5
LK-400 N/B/K; N/B/K/P 1 1/4‘‘ 1 1/4‘‘ 1 1/4‘‘ 61/62 62.5/64 69/70
LK-650 N/B/K; N/B/K/P 1 1/4‘‘ 1 1/2‘‘ 1 1/2‘‘ 79/80 83/84 89.5/91
LK-1000 N/B/K; N/B/K/P 1 1/2‘‘ 1 1/2‘‘ 1 1/2‘‘ 102/103.5 108/109 117/118.5
Water content in l
3
Type N/B/K
Type N/B/K/P
4
Type N/B/K
Type N/B/K/P
6
Type N/B/K
Type N/B/K/P
2.5 2.0 2.6
3.9 2.7 3.6
6.2 4.4 6.0
8.4 6.4 8.6
12.7 9.0 12.3
a
b
ch
m
n
d
f
<30
Socket 3/4" inside
9
e
o
50
100
Fig.: Type LK…-N/B/K device series
Fig.: LK…-N/B/K/P device series
"Product description"

Translation from the original operating instruction18
AL-KO AIR HEATER / AIR COOLER INDUSTRY
3.4 Condensate pump
The compact condensate pump is suited for removing accumulated condensate. The condensate pump is a self-priming
rotation membrane pump with condensate sensor.
The condensate is pumped through a exible condensate pipe with an internal diameter of 6 mm.
Please take note of the installation and safety instructions in the chapter assembly.
3.5 Accessory
Bracket K
Bracket Set K is suited for wall and ceiling mounting of the air heaters and for wall mounting of the air coolers. It consists
of two brackets and the fastening screws for the air heater.
Type B
mm
H
mm
C
mm
D
mm*
Weight
kg**
K-140 420 432 310 270 2.1
K-250 420 507 385 270 2.2
K-400 420 622 500 270 2.4
K-650 490 732 610 340 2.9
K-1000 540 882 760 390 3.3
* Distance Wall - air heater
** Weight of one bracket
Bracket KD
The KD bracket set is suitable for ceiling mounting of the air heating devices of Type N and NF with the MLK mixed air
box. The bracket is directly attached to the mixed air box. The distance of the mixed air box to the ceiling is approx. 10
cm. The set consists of two brackets and the fastening screws for the mixed air box.
Type L
mm
n
mm
B
mm
Weight kg*
KD-140 437 1 357 1.2
KD-250 512 1 432 1.3
KD-400 627 2 273.5 1.6
KD-650 737 2 328.5 1.9
KD-1000 887 3 269 2.3
** Weight of one bracket

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3910832 Subject to changes in keeping with technical developments!
Bracket KM and KFM
The KM bracket set is suitable for wall mounting the Type N air heater with the MLK mixed air box.
The KFM bracket set is suitable for wall mounting the Type NF air heater with the MLK mixed air box.
It consists of two brackets and the fastening screws for the air heater. The mixed air box is mounted at approx. 100 mm
distance from the wall to allow easy installation of an STW canvas connector.
Type B
mm
H
mm
Weight kg*
KM-140 760 450 4.1
KM-250 810 500 4.4
KM-400 860 550 4.8
KM-650 940 580 5.2
KM-1000 990 600 5.4
KFM-140 900 490 6.2
KFM-250 950 590 6.9
KFM-400 1000 690 7.7
KFM-650 1050 690 7.9
KFM-1000 1100 690 8.2
** Weight of one bracket
KFKM bracket
The KFKM bracket set is suitable for wall mounting the Type N air heater with the FK lter box and the MLK mixed air
box or for wall mounting the Type N air heater with the FK lter box. It consists of two brackets and the fastening screws
for the air heater.
Type B
mm
H
mm
Weight
kg*
KFKM-140 1115 490 7.2
KFKM-250 1165 590 8.0
KFKM-400 1215 690 8.7
KFKM-650 1295 690 9.1
KFKM-1000 1345 690 9.3
** Weight of one bracket
Crossbeams Q
When air heaters / air coolers are mounted in places where the mounting surface is narrower than the distance between
the brackets, an additional Crossbeam Q is required with Bracket K (e.g. concrete pillars, support beams, lintels). A
cross beam set consists of two angle irons with appropriate holes (tting the inner dimensions of the mounted brackets)
including the necessary screws and nuts to fasten them to the brackets.
Type B
mm
Weight kg*
Q-140 400 2.1
Q-250 400 2.2
Q-400 400 2.4
Q-650 470 2.9
Q-1000 520 3.3
** Weight of one bracket
"Product description"

Translation from the original operating instruction20
AL-KO AIR HEATER / AIR COOLER INDUSTRY
Support Clamp Set X
The Support Clamp Set X is, for example, used to mount the Crossbeam Q to a steel girder (also see Chapter 5.1). The
Support Clamp Set X has an adjustment screw for continuous adjustment to different ange sizes. The cam height ad-
justed must correspond to the thickness of the ange to be clamped (max. 30 mm).
Ceiling Support Z
The Ceiling Support Z is suitable for horizontal installation of the industrial air heaters / air coolers Industry directly below
the ceiling. The Ceiling Support Z is pre-installed on the air heater / air cooler. The distance to the ceiling is 40 mm. The
set consists of two supports and their attachment screws.
Type A
mm
Weight kg*
Z-140-400 360 1.2
Z-650-1000 390 1.3
* Weight of one support
Ceiling Support ZZ
The Ceiling Support ZZ is suitable for horizontal installation of industrial air heaters with MLK mixed air box directly be-
low the ceiling. The Ceiling Support ZZ is pre-installed on the air heater and the MLK. The distance of the mixed air box
to the ceiling is 25 mm. The set consists of six angle irons and the fastening screws.
Type Weight kg*
ZZ-140-1000 0.076
* Weight of one support