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The latest software does not always contain the latest updates for the drive. Contact the local sales office for the latest drive updates (in the form of *.upd files), or download the drive updates from the Service and Support download page on www.danfoss.com.
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On 380–480 V, 18.5–30 kW (25–40 hp) units, the RFI filter cannot be switched off. 3.2.3 Mains and Motor Connection 3.2.3.1 Introduction The drive is designed to operate Danfoss VZH Compressors. • Use a shielded/armored motor cable to comply with EMC emission specifications and connect this cable to both the decoupling plate and the motor.
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3.2.4.2 Short-circuit Protection Danfoss recommends using the fuses and circuit breakers listed in this chapter to protect service personnel or other equipment in case of an internal failure in the unit or a short circuit on the DC link. The drive provides full short-circuit protection in case of a short circuit on the motor.
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Discharge from output phases to ground, using the value of parameter 15-31 Alarm Log Value if possible. Control Volt- – Control voltage is low. Contact the local Danfoss supplier. age Fault 24 V supply 24 V DC supply may be overloaded.
6.4.2 Derating for Low Air Pressure and High Altitudes The cooling capability of air is decreased at low air pressure. For altitudes above 2000 m (6562 ft), contact Danfoss regarding PELV. Below 1000 m (3281 ft) altitude, derating is not necessary. For altitudes above 1000 m (3281 ft), decrease the ambient temperature or the maximum output current.
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Danfoss can accept no responsibility for possible errors in catalogues, brochures and other printed material. Danfoss reserves the right to alter its products without notice. This also applies to products already on order provided that such alterations can be made without subsequential changes being necessary in specifications already agreed. All trademarks in this material are property of the respective companies.
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