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Items Supplied

See 

Illustration 1.1

 for the list of supplied items.

1

M25 nut

5

Pressure Transmitter Unit PTU 025

2

M25 ground washer connection

6

Tube relief plate

3

M25 star washer

7

Interface cable for the C-option port

4

M25 gasket

8

Cable binders

Table 1.1

Illustration 1.1 Pressure Transmitter Unit PTU 025 and Items Supplied

Installation Instructions

Pressure Transmitter Unit PTU 025
VLT

®

 HVAC Drive FC 102

Danfoss A/S © 12/2017 All rights reserved.

MI08A102

Summary of Contents for PTU 025

Page 1: ...r connection 6 Tube relief plate 3 M25 star washer 7 Interface cable for the C option port 4 M25 gasket 8 Cable binders Table 1 1 Illustration 1 1 Pressure Transmitter Unit PTU 025 and Items Supplied...

Page 2: ...t 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 loc...

Page 3: ...ween the PTU 025 unit and the enclosure This is necessary for the IP55 66 rating 2 Inside the enclosure place the star washer the ground connection and the nut See Illustration 1 3 3 Put the ground wi...

Page 4: ...1 5 2 Wire the outputs for the related signals and statuses 3 Mount the front cover of the frequency converter 4 Power up the frequency converter Ensure that the frequency converter identifies the PT...

Page 5: ...l and relay outputs Perform the configuration in parameter group 5 Main Menu Digital In Out and parameter group 6 Main Menu Analog In Out See the wiring diagram in Illustration 1 6 Illustration 1 6 Wi...

Page 6: ...stration 1 7 Illustration 1 7 Mounting Pressure Tubes NOTICE Put a tube connection on all pressure transmitter taps to minimize the amount of dirt entering the unit The minimum tube length is 80 mm 3...

Page 7: ...fic messages warnings and alarms For more information see the programming guide 31 Pressure Sensor Option Parameters related to the PTU 025 option 31 2 Configuration Each pressure related status has i...

Page 8: ...Sensor 3 Range Function 0 Pa 1000 1000 Pa Shows the readout of pressure sensor 3 31 29 Pressure Sensor 4 Range Function 0 Pa 2500 2500 Pa Shows the readout of pressure sensor 4 31 30 Press Sens Cmp St...

Page 9: ...ors and their Functions Integrating pressure signals into a system solution The pressure values can be read as analog values on the analog output or as pulses on digital outputs Use parameter 5 30 Ter...

Page 10: ...tice 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 mat...

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