Danfoss PTU 025, Installation Instructions Manual

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To order the unit, use the following ordering number:
Model Ordering number
PTU 025, 4 inputs 134B5925
Table 1.2 Ordering Numbers
NOTICE
The PTU 025 unit can be installed in IP55 and IP66
enclosures, and can be connected with the frequency
converter using the C-option interface. This instruction is
applicable for a frequency converter in a standard configu-
ration without any modifications.
Safety Instructions
For important information about safety precautions for installation, refer to the product-specific operating guide .
WARNING
DISCHARGE TIME
The frequency converter contains DC-link capacitors, which can remain charged even when the frequency converter is not
powered. High voltage can be present even when the warning LED indicator lights are off. Failure to wait the specified time
after 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 to
other 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 the
capacitors are fully discharged.
Voltage [V] Minimum waiting time (minutes)
4 7 15 20 30 40
200–240 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 102
Installation Instructions
Pressure Transmitter Unit PTU 025
VLT
®
HVAC Drive FC 102
2
Danfoss A/S © 12/2017 All rights reserved. MI08A102