Danfoss PTU 025 Installation Instructions Manual

Also see for VLT HVAC Drive FC 102: Operating instructions Service guide Programming guide Installation guide Installation guide

Contents

To order the unit, use the following ordering number:Model Ordering numberPTU 025, 4 inputs 134B5925Table 1.2 Ordering NumbersNOTICEThe PTU 025 unit can be installed in IP55 and IP66enclosures, and can be connected with the frequencyconverter using the C-option interface. This instruction isapplicable for a frequency converter in a standard configu-ration without any modifications.Safety InstructionsFor important information about safety precautions for installation, refer to the product-specific operating guide.WARNINGDISCHARGE TIMEThe frequency converter contains DC-link capacitors, which can remain charged even when the frequency converter is notpowered. High voltage can be present even when the warning LED indicator lights are off. Failure to wait the specified timeafter power has been removed before performing service or repair work can result in death or serious injury.• Stop the motor.• Disconnect AC mains and remote DC-link power supplies, including battery back-ups, UPS, and DC-link connections toother frequency converters.• Disconnect or lock PM motor.• Wait for the capacitors to discharge fully. The minimum duration of waiting time is specified in Table 1.3.• Before performing any service or repair work, use an appropriate voltage measuring device to make sure that thecapacitors are fully discharged.Voltage [V] Minimum waiting time (minutes)4 7 15 20 30 40200–240 1.1–3.7 kW(1.50–5 hp)– 5.5–45 kW(7.5–60 hp)– – –380–480 1.1–7.5 kW(1.50–10 hp)– 11–90 kW(15–121 hp)– – 315–1000 kW(450–1350 hp)400 – – – 90–315 kW(121–450 hp)– –500 – – – 110–355 kW(150–500 hp)– –525 – – – 75–315 kW(100–450 hp)– –525–600 1.1–7.5 kW(1.50–10 hp)– 11–90 kW(15–121 hp)– – –690 – – – 90–315 kW(100– 350 hp)– –525–690 – 1.1–7.5 kW(1.50–10 hp)11–90 kW(15–121 hp)– 400–1400 kW(500–1550 hp)450–1400 kW(600–1550 hp)–Table 1.3 Discharge Time, VLT® HVAC Drive FC 102Installation Instructions Pressure Transmitter Unit PTU 025VLT® HVAC Drive FC 1022 Danfoss A/S © 12/2017 All rights reserved. MI08A102