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DFC 350 and 450 Service manual No. 840121 • rev. 1.3 • 09.01.2012...
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Der tages forbehold for trykfejl og ændringer Dantherm can accept no responsibility for possible errors and changes Irrtümer und Änderungen vorbehalten Dantherm n’assume aucune responsabilité pour erreurs et modifications éventuelles...
Overview Introduction This is the service manual for the Displacement Free Cooling unit DFC 350 & 450. The DCF 350-450 unit is usually shipped including a control unit. This control unit, TKS 3000A EC, ACUE 3000 or FAC 48, is covered in a separate manual.
Dantherm Air Handling A/S. Reservations The service manual is subject to changes without notice. CE-Declaration of Dantherm Air Handling A/S, Marienlystvej 65, DK7800 Skive hereby declare that the Conformity unit are in conformity with the following directives: 2006/95/EG Low Voltage Directive including 93/68/EEC where required...
General principle for DFC units General A DFC (Displacement Free Cooling) unit supplies the cold outdoor air through a diffu- sor filter with very low velocity. This will make a dune of cold air at the floor and up to a height of 1,6 meter in the shelter.
Parts and function Introduction The DFC units have a simple but very robust design. The parts are shown below. Illustration This drawing shows the parts of the DFC unit. It includes a fan and a filter guard Filter guard Bag filter Parts This table describes the parts in the illustration: Part...
How to Mount the DFC 350 or DFC 450 Procedure Follow these steps to mount the DFC 350 or DFC 450: Step Action Make a Ø245mm hole in the shelter wall about 1900 mm above the floor. Demount the front cover of the unit by removing the 3 fluted grip knobs.
How to Mount the DFC 350 or DFC 450, continued Air inlet hood Put sealing rubber on the flanges of the hood, hold it in position above the inlet hole and fasten it to the wall. Exhaust damper Cut out an exhaust opening W: 1000xH: 210mm above the door (when possible).
How to Mount the DFC 350 or DFC 450, continued Exhaust hood Put sealing rubber on the flanges of the exhaust hood. Hold it in position and fasten it to the wall. Ground Connect the DFC 450 to ground by using the nut market with ground symbol.
Technical data DFC 350 Introduction This Free Cooling unit is very compact, quiet and economic due to the Displacement Free Cooling system. In this product the EC-fan signal is reduced to 5V to get the opti- mized performance. Air flow and sound This table shows the technical data for airflow and sound pressure:...
Technical data DFC 350 Air flow and sound This table shows the technical data for airflow and sound pressure: Voltage version 48V DC 230V AC Max air flow 1100 m 1100 m Max air flow 306 l/s 306 l/s Free cooling capacity at Δt=5°C...
Technical data DFC 350 and 450 Controls The table below show the specification for the 2 controllers for the DFC unit: Specification 48V DC 230V DC Enclosure IP65 DIN rail mounting Enclosure IP65 Standard control units ACUE 3000 TKS 3000 EC...
Capacity and data diagrams Performance The diagram below shows data for DFC 350: DFC 350 Performance & Power Consumption 1000 5000 4500 Fan working range 15% to 50% 4000 3500 Power conption DFC 450 [W] 3000 Air flow m3/h 2500 Cooling capacity (kW @ ∆t=5°C)
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Capacity and data diagrams, continued Airflow & Pressure The diagram below shows data for DFC 450: drop DFC 450 Airflow & Pressure drop 1600 1400 1200 1000 Pressure drop Filter (Pa) Air flow m3/h 100% Fan % speed...
Dimensions Illustration DFC 350 The drawings below illustrate the dimensions of the DFC 350. HOLE CUT OUT DIMENSION: Ø245 Continued overleaf...
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Dimensions, continued Illustration DFC 450 The drawings below illustrate the dimensions of the DFC 450. HOLE CUT OUT DIMENSION: Ø305 Continued overleaf...
Installation alternatives Introduction The pictures below shows the three ways the Displacement Free Cooling unit can be mounted and still make filter exchange easy. There are three different lids, of which on- ly one should be opened to take out and replace the bag filter. Front service Left and right ser-...
20 minutes and after that go back to normal operation. Interval Dantherm Air Handling AB recommends that intervals between preventive maintenance do not exceed 1 year. It is also our recommendation that the site and unit is examined closely during the first preventive maintenance to determine whether the interval is too long.
Spare parts list Spare parts This table shows the spare parts for DFC 350: DCF 350 only Spare part Type Part number Bag filter Filter class F5 299821 Bag filter Filter class F6 067335 Fan – 48V DC EC, Centrifugal fan, 48V DC 067738 Fan –...
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accessories ..............17 interval ................ 22 air flow ..............10; 11 maintenance ............... 22 airflow ................5 motorized damper ............8 area ................10 mount ................7 bag filter ............... 6 outdoor temperature sensor ........12 cabinet................ 10 performance ............... 13 conformity ..............
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North and South Poles mobile climate control units. And we are Dantherm Air Handling is part of the to the searing heat of the Sahara. forever pursuing new techniques that Dantherm A/S group.
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