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Summary of Contents for AL-KO INDUSTRY Series
- Page 1 VENTILATION AND CENTRAL AIRCONDITONING DEVICES OPERATING AND INSTALLATION INSTRUCTIONS AIR HEATER / AIR COOLER INDUSTRY 3910832 Subject to changes in keeping with technical developments!
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Page 2: Table Of Contents
AL-KO AIR HEATER / AIR COOLER INDUSTRY Table of contents Information concerning this handbook ..............4 Description of symbols ..........................4 Regulations and standards ......................... 4 Legal information ............................4 Safety information ..................5 Appropriate use ............................5 Possible inappropriate uses ........................5 Residual risks ............................. - Page 3 "Table of contents" 8.4.4 Checking the fans ............................. 44 8.4.5 Check the filters ............................44 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 ............................
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Page 4: Information Concerning This Handbook
AL-KO AIR HEATER / AIR COOLER INDUSTRY 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. -
Page 5: Safety Information
Possible inappropriate uses AL-KO air heaters / air coolers may only be operated within the range specified 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. -
Page 6: Residual Risks
„ Risk due to working on the electrical system, the cables and the connections „ Delivery AL-KO air heaters / air coolers are delivered in cardboard boxes or on pallets incl. film packaging! Storage, transport Warning! Caution! Store the air heaters / air coolers in their original packaging in a dry place and protected against the weather. -
Page 7: Duties Of The Operating Company
"Safety information" 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. „... -
Page 8: Product Description
AL-KO AIR HEATER / AIR COOLER INDUSTRY 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 fitting. - Page 9 "Product description" Ceiling support (angle bracket) Broad air outlet Outlet nozzle with slats Outlet nozzle (gate air curtain outlet, narrow side) Outlet nozzle (gate air curtain outlet, broad side) Four-side outlet Injection slats IJ...WA Wall mounting + automatic adjustment IJ...WH Wall mounting + manual adjustment IJ...DA Ceiling mounting + automatic adjustment...
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Page 10: Declaration Of Incorporation
AL-KO AIR HEATER / AIR COOLER INDUSTRY Declaration of incorporation Translation from the original operating instruction... -
Page 11: Declaration Of Conformity
"Product description" Declaration of conformity 3910832 Subject to changes in keeping with technical developments! -
Page 12: Technical Data
AL-KO AIR HEATER / AIR COOLER INDUSTRY Technical data 3.3.1 TYPE LH-… N/NF Type Dimensions in mm Heat exchanger connection Type Type Type Type N/NF N/NF N/NF N/NF LH-140 N/NF 360/500 399/539 3/4‘‘ 1‘‘ 1 1/4‘‘ 1 1/4‘‘ LH-250 N/NF... -
Page 13: Type Lh
"Product description" 3.3.2 TYPE LH-… H/HF Type Dimensions in mm Heat exchanger connection Type H/HF; Type H/HF; Type H/HF; LH-140 H/HF 360/500 399/539 3/4‘‘ 1‘‘ 3/4‘‘ LH-250 H/HF 360/500 402/542 3/4‘‘ 1‘‘ 3/4‘‘ LH-400 H/HF 360/500 427/567 1‘‘ 1 1/4‘‘ 1‘‘... -
Page 14: Type Lh
AL-KO AIR HEATER / AIR COOLER INDUSTRY 3.3.3 TYPE LH-… D/DF Type Dimensions in mm NW 1 heat exchanger connec- tion Type D/DF Type D/DF LH-140 D/DF 360/500 399/539 DN 25 DN 40 LH-250 D/DF 360/500 402/542 DN 25 DN 40... -
Page 15: Type Lh
"Product description" 3.3.4 TYPE LH-… S/SF Type Dimensions in mm Heat exchanger connection Type S/SF Type S/SF LH-140 S/SF 360/500 399/539 3/4‘‘ 3/4‘‘ LH-250 S/SF 360/500 402/542 3/4‘‘ 3/4‘‘ LH-400 S/SF 360/500 427/567 1‘‘ 1‘‘ LH-650 S/SF 390/500 501/611 1‘‘ 1‘‘... -
Page 16: Type Lh
AL-KO AIR HEATER / AIR COOLER INDUSTRY 3.3.5 TYPE LH-… EL Type Dimensions in mm Weight in kg Type Type Type Type 4 kW 8 kW 10 kW 12 kW LH-140 EL 31,5 31.5 LH-250 EL 38,5 LH-400 EL LH-650 EL... -
Page 17: Type Lk
"Product description" 3.3.6 TYPE LK-… N/B/K; N/B/K/P Type Dimensions in mm LK-140 N/B/K; N/B/K/P 497/492 LK-250 N/B/K; N/B/K/P 572/567 LK-400 N/B/K; N/B/K/P 687/682 LK-650 N/B/K; N/B/K/P 797/792 LK-1000 N/B/K; N/B/K/P 1040 1071 947/942 Type Heat exchanger Weight in kg connection Type Type Type... -
Page 18: Condensate Pump
AL-KO AIR HEATER / AIR COOLER INDUSTRY 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 flexible condensate pipe with an internal diameter of 6 mm. - Page 19 "Product description" 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.
- Page 20 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 flange sizes. The cam height ad- justed must correspond to the thickness of the flange to be clamped (max.
- Page 21 Broad Air Outlet B When a broader, lateral spread of the air stream is desired, the AL-KO air heaters / air coolers can be equipped with a Broad Air Outlet Louvre B. The diffusion grid with the vertical guide fins is mounted immediately before the horizontal outlet louvre.
- Page 22 AL-KO AIR HEATER / AIR COOLER INDUSTRY D2 outlet nozzle (gate air curtain) Type Weight D2-140 D2-250 D2-400 12.2 D2-650 16.5 D2-1000 22.9 Four-side Air Outlet V Air heaters in low rooms can be equipped with a four-side air outlet that can be adjusted on all sides. The flat air outlet stream can be set to blow out on four, three or two sides.
- Page 23 "Product description" Injection louvre IJ – ceiling mounting The fins in ceiling-mounted systems are directed vertically downwards in heating-up mode. During normal operation, the air stream can be distributed towards the right and left side of the room. Type Weight DH/DA IJ-140-D..
- Page 24 AL-KO AIR HEATER / AIR COOLER INDUSTRY Mixed air box MLK The mixed air box in combination with the air heater is used to heat and ventilate work shops, halls, sports facilities, etc. Appropriate attachment of the variable cover can be used to adapt the final version on site. The V-shaped, internal arrangement of the slat valves ensures mixing of the air streams and good flow.
- Page 25 "Product description" Filter box FK With laterally extendable bag filter insert (Filter Class G3, depth 100 mm) Type Weight FK-140 11.0 FK-250 12.2 FK-400 15.5 FK-650 18.0 FK-1000 1040 21.2 ALK external air box The external air box can be used to block the supply air flow when external air is used. It can be used as shut-off damper upstream of an air heater, as shut-off damper in duct systems or as shut-off damper for ceiling extractors (natural con- vection).
- Page 26 AL-KO AIR HEATER / AIR COOLER INDUSTRY Canvas connector SGS Canvas connector for the side (air intake at the mixed air box at the top or bottom) Type Weight SGS-140 SGS-250 SGS-400 SGS-650 SGS-1000 1000 Canvas connector SGW Canvas connector for the wall feed-through to connect a KAW5 duct connection piece and a WG external air intake grid...
- Page 27 "Product description" KAW5 duct connection piece The KAW 5 duct connection piece consists of a duct piece with a flange at one side. It is used for a wall feed-through and connecting a WG external air intake grid. Type Weight KAW5-140 KAW5-250 KAW5-400...
- Page 28 AL-KO AIR HEATER / AIR COOLER INDUSTRY KARW duct connection frame For wall connection Type Weight KARW-140 KARW-250 KARW-400 KARW-650 KARW-1000 1000 ALH external air intake hood The ALH external air intake hood is always used in connection with an RK rain collar.
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Page 29: Transport
„ Fork lift / industrial truck transport AL-KO air heaters / air coolers can be transported in their original packaging with a fork lift or an industrial truck! Caution! Always place the lifting forks of the fork lift against the timbers. Pay attention to possibly protruding objects (e.g. -
Page 30: Assembly
The place of installation and the installation structure has to be checked by a structural engineer, if required. AL-KO air heaters / air coolers are delivered in pre-assembled form. „ The manufacturer documentation must be considered before installation or removal. - Page 31 "Assembly" Mixed air box MLK WG weather protection grid Filter box FK KAW5 duct connection piece LH IND Type N Canvas connector SGW Option: IJ injection louvre ALK external air box KFKM bracket LH IND TYPE N Console KFM Fig.: Wall-mounting the air heater with mixed air box and Fig.: Wall-mounting the air heater with external air box, Fig.
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Page 32: Ceiling Installation Of The Devices
AL-KO AIR HEATER / AIR COOLER INDUSTRY Ceiling installation of the devices Install the bracket set on the air heater/cooler when it was not pre-installed by the factory. „ Drill fastening holes into the ceiling. „ Attach the air heater / air cooler to the ceiling. - Page 33 "Assembly" ALH external air intake hood ALH external air intake hood RK rain collar RK rain collar Roof feed-through (not shown) Roof feed-through (not shown) KA10 duct connection piece KA duct connection piece KA5 duct connection piece Canvas connector SGS Canvas connector SGS Bracket KD Air heater LH IND Type NF and mixed air box MLK...
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Page 34: Mounting The Accessory Components
AL-KO AIR HEATER / AIR COOLER INDUSTRY Mounting the accessory components Ordered accessory components are pre-installed in the factory! „ They are attached by using the device connectors located at the sides. „ When this is not the case, the accessory components must be attached at the appropriate places using the fasten- „... -
Page 35: Condensate Pump
"Assembly" Heat exchanger steam (FeZn/Fe): Maximum operating pressure: 4.5 bar „ Maximum flow temperature: Unit size 140 and 250 not available „ Unit size from 400 to 1000 max. 120 °C Feed and reflux pipes must be connected according to the professional regulations. „... - Page 36 AL-KO AIR HEATER / AIR COOLER INDUSTRY The alarm function only works when the pump is supplied with voltage and the sensor is connected to the pump. Performance data: max. transport volume: 50 l/h max. suction height: max. transport height: 20 m connection Ø:...
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Page 37: Electrical Connection
The electrical connection may only be performed by a registered electrician and with consideration of the DIN and VDE regulations and the directives of the local energy supply company. The electrical connection of the AL-KO air heater / air cooler must be performed according to the connection plans. „... - Page 38 AL-KO AIR HEATER / AIR COOLER INDUSTRY Terminal strip cooling without AL-KO rotation speed control Filling level sensor Fan 3x400 V 50 Hz Condensate pump max. 230 V 3 A Fig.: Connection scheme for 1-level operation Fig. Low rotation speed (star connection)
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Page 39: Electrical Air Heater
"Assembly" 5.6.2 Electrical air heater The electrical air heater is wired in one or several switching groups. Each switching group for three-phase power „ has three connection terminals plus one terminal for grounding each switching group. Devices with electrical air heaters require a separate mains connection for the electrical air heater. „... - Page 40 AL-KO AIR HEATER / AIR COOLER INDUSTRY Circuit diagram: Air heating devices with electrical air heaters must be operated to ensure that the air heater cannot be switched on „ when the fan is switched off. The electrical air heaters must be deactivated as soon as the air flow is inappropriately reduced.
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Page 41: Cable List
(heat loss). Switch cabinet AL-KO air heaters / air coolers can be optionally extended with various control accessories. Connecting a third-party frequency converter at the customer side constitutes a change to the device and is therefore not permitted! Further details and information are provided in the "Controllers and regulators for air-heating devices / air-cooling de-... -
Page 42: Maintenance
AL-KO AIR HEATER / AIR COOLER INDUSTRY Maintenance The operator is obliged to have the system regularly maintained by specialised staff. AL-KO undertakes this task when a maintenance contract has been concluded. Safety Warning! Maintenance, repair, work on the electrical system, etc. may only be performed by educated, trained and in- structed specialist personnel. -
Page 43: Checking The Components
"Maintenance" Component / activity Measures Inspections to be performed at n-month intervals as specified below Heat exchanger When cleaning in the installed state is not sufficient, the heat exchanger must be pulled out or de-installed and cleaned in an appropriate manner Check for dirt, damage and corrosion Clean and repair Check the wet cooler, condensate tray and... -
Page 44: Checking The Heat Exchanger
AL-KO AIR HEATER / AIR COOLER INDUSTRY 8.4.1 Checking the heat exchanger Check the heat exchanger form pollution at the air side, damage and corrosion. „ Check connectors and screw connections. „ Check the bleeding valve and the filling of the heat exchangers. - Page 45 "Maintenance" 8.5.1 Clean the heat exchangers The heat exchangers can be cleaned with compressed air. „ Caution! The use of high-pressure water cleaners with conventional one-jet nozzles is not permitted due to the risk of damage! After a prolonged standstill, corrosion due to sulphate-reducing bacteria may occur in the heat exchangers. These sul- phides mainly attack the soldering seams, but also the basic copper material.
- Page 46 AL-KO AIR HEATER / AIR COOLER INDUSTRY 8.6.2 Exchanging the heat exchanger Switch the device to a voltage-free state. „ Disconnect the electricity connections. „ Disconnect the medium connectors of the heat exchanger. „ Remove the device. „ Disconnect the fan cables in the fan terminal box.
- Page 47 "Help with faults / Shut-down" Contact person Please address all questions in connection with our products to the installer of your air system, to one of our branches or directly to: AL-KO THERM GMBH Tele- (+49) 8225/ 39-0 phone: Hauptstraße 248-250...
- Page 48 All rights, including the registration of intellectual property rights, are held by AL-KO THERM GMBH. This documentation or excerpts thereof may not be copied or forwarded to third parties without the explicit permission of AL-KO THERM GMBH. The right to technical changes that do not alter the function is reserved.
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