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Table of Contents
Summary of Contents for Dantherm DFC-350-230V-C3-W-FG
- Page 1 DFC 350 and 450 Service manual No. 095821 • rev. 1.5 • 19.12.2019...
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Page 2: Table Of Contents
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, CC3000 is covered in a separate service manual. Table of content The Service Manual covers the following main topics: Topic See page... -
Page 3: General Information
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 DFC unit is in conformity with the following directives: 2006/42/EC... -
Page 4: Variant Syntax
Variant syntax for DFC 350 and DFC 450 DFC -450 -48V -C3- W- FG- X10 Customized model with min. speed and FR+NL language on controller Filter guard (standard) Wall mounted (standard) C3 (including CC3000 controller) -PC3 (excluding CC3000, but prepared for connection to CC3000 – two fan boxes at one CC3000) -48VDC -230V AC... -
Page 5: General Principle For Dfc Units
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. -
Page 6: Parts And Function
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 Satelite PCB DC or AC supply Filter guard Bag filter Parts... -
Page 7: How To Mount The Dfc 350 And Dfc 450
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 Ø245 or Ø 330mm hole in the wall about 1900 mm above the floor. Demount the front cover of the unit by removing the 2 fluted grip knobs. Hold the unit in position and fasten it to the wall with minimum 4 screws. - Page 8 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). Hold the motorized damper in position and fasten it to the wall.
- Page 9 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. Sensor placement Example...
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Page 10: Starting Up
Different config-files will show up depending on the variant of your product. Choose the variant specific configuration that fits best to your cooling needs (see control strategy on page 25) , if different options are available. Variant Config File Using Control strategy… DFC-350-230V-C3-W-FG DFC350AC Standard configuration for DFC 350-450 AC/DC DFC-450-230V-C3-W-FG DFC450AC •... - Page 11 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 achieve the optimized performance. Air flow and sound This table shows the technical data for airflow and sound pressure: Parameter 48V DC 230V AC...
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Page 12: Technical Data Dfc 450
Technical data for DFC 450 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 5 kW 5 kW... -
Page 13: Capacity And Data Diagrams
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) 2000 1500... - Page 14 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...
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Page 15: Dimensions
Dimensions Illustration DFC 350 The drawings below illustrate the dimensions of the DFC 350. Continued overleaf... - Page 16 Dimensions, continued Illustration DFC 450 The drawings below illustrate the dimensions of the DFC 450. Continued overleaf...
- Page 17 Dimensions, continued External ac- cessories Exhaust air hood 800x220 mm: Art. No: 299942 Motorized damper for exhaust air 24V dc 800x211mm. Art. No. 074609 HOLE CUT OUT DIMENSIONS (WxH): Rain hood Art. No: 800x210mm 299653...
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Page 18: Installation Alternatives
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... -
Page 19: Wiring Diagram - 48V Dc
Wiring diagram – CC3000... - Page 20 Connections 48V and 230V Ground Connect the DFC 350/450 to ground by using the nut marked with ground symbol. For more wiring information, please see section Wiring Diagram. Electrical For electrical connection of the unit see the Service Manual for the specific controller Connection you are using, or see “Wiring Diagram”.
- Page 21 Connections 48V and 230V Connections for 48V DC unit Cable 8-wire w. Anytec terminal Room Temperature Sensor 48V DC – 10A fuse 1,5 mm wires (AWG 16) Connections for 230V AC unit Cable 8-wire w. Anytec terminal Room Temperature Sensor 230V DC –...
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Page 22: Preventive Maintenance
Temperature set point can be changed and the duration for the set point change. Interval Dantherm Air Handling A/S recommends that intervals between preventive mainte- nance 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. -
Page 23: Spare Parts List
Spare parts list Spare parts This table shows the spare parts for DFC 350: DFC 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 –... -
Page 24: Appendix
Appendix Introduction The DFC unit is by default set up to operate in one of the following free cooling modes: • Standard configuration (for DFC 350-450 AC/DC) • DFCNOMIN configuration or DFCMINSP configuration • Mode can be changed using the CC 3000 controller. Free cooling mode The basic operation strategy can be described in the following way: Connected heater (optional) starts, when temperature is too low (on/off set •... - Page 25 Appendix, continued Cooling strategies This table shows the values of the Free cooling mode depending on the configuration (Free cooling (see also page 10): mode) Standard Abbr. Description NOMIIN MINSP Temperature when fan stops Temperature when fan starts Min °C Temperature at bottom of P-band •...
- Page 26 Appendix, continued Standard Mode (Freecooling <> Description Value A/C) Temperature when fan stops Temperature when Fan starts Min °C Temperature at bottom of P-band Max °C Temperature at top of P-band The wanted indoor temp.; fan speed will be Set Point adjusted between Min°C and Max °C A/C 1 on External Air Con unit 1 start if connected...
- Page 27 Appendix, continued Description Value Energy save Temperature when fan stops Mode Temperature when Fan starts (Freecooling > Min °C temperature at bottom of P-band A/C) Max °C Temperature at top of P-band The wanted indoor temperature; fan Set Point speed will be adjusted between Min°C and Max °C A/C 1 on External Air Con unit 1 start if connected...
- Page 28 Appendix, continued Description Value Set Point External Air Con unit 1 start if connected A/C 1 off External Air Con unit 1 stops if connected Air Conditioner Mode A/C 2 on External Air Con unit 2 start if connected A/C 2 off External Air Con unit 2 stops if connected Emergency on Fan run 100% and both A/C 1 and A/C 2...
- Page 29 Index accessories..............17 air flow ..............11; 12 airflow ................5 area ................11 bag filter ................ 6 cabinet ................ 11 conformity ..............3 cooling capacity ............ 11; 12 copyright ............... 3 dimension ..............15 efficiency ..............5 exhaust ................. 8 filter class..............
- Page 32 Dantherm n’assume aucune responsabilité pour erreurs et modifications éventuelles. Dantherm se exime de cualquier responsabilidad por errores y cambios realizados. A Dantherm recusa qualquer responsabilidade relacionada com eventuais erros e alterações. Компания Dantherm не принимает на себя ответственность за возможные ошибки и изменения в настоящем документе.