Danfoss FC 100 Instruction Manual
Also see for FC 100 Series: Operating instructionsManualManualManualProgramming guide
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Contents
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Installation of 24 Volt external DC Sup-plyTorque: 0.5 - 0.6 Nm (5 in-lbs)Screw size: M3No. Function35 (-), 36(+)24 V external DC supply24 V external DC supply can be used as low-voltage supply to the control card and any optioncards installed. This enables full operation of the LCP (incl. parameter setting) without connectionto line power. Please note that a low voltage warning is issued when 24 V DC has been connected;however, there will be no tripping.Use a 24 V DC supply of type PELV to ensure correct galvanic isolation (type PELV)on the control terminals of the adjustable frequency drive.3.6.2. Power ConnectionsCabling and FusingNOTECables GeneralAll cabling must comply with national and local regulations on cable cross-sectionsand ambient temperature. Copper (167° F [75° C]) conductors are recommended.The power cable connections are laid out as shown below. Dimensioning of cable cross-sectionsmust be done in accordance with the current ratings and local legislation. See theSpecificationssection for details.To protect the adjustable frequency drive, the recommended fuses must be used or the unit musthave built-in fuses. Recommended fuses are listed in the tables in the fuses section. Always ensurethat proper fusing is done according to local regulations.The line connection is fitted to the line switch if this is included.3. How to InstallVLT® HVAC DRIVE High PowerInstruction Manual50 MG.11.F1.22 - VLT® is a registered Danfoss trademark.3 |
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