English (US) Installation and operating instructions
Original installation and operating instructions
Table of contents
1. General information ........................4
1.1 Original installation and operating instructions .........4
1.2 Hazard statements..........................4
1.3 Notes ..................................4
1.4 References ..............................5
2. Product introduction........................5
2.1 Identification..............................5
2.2 UL listed motor ............................5
3. Receiving the product .......................6
3.1 Delivery ................................6
3.2 Handling ................................6
4. Installation requirements .....................7
4.1 IT mains ................................7
4.2 Aggressive environment ......................7
4.3 Reduced performance under certain condition .........7
5. Mechanical installation ......................8
5.1 Enclosure types ...........................8
5.2 Location ................................8
6. Electrical connection .......................8
6.1 Electrical protection .........................8
6.2 EMC-correct installation.......................9
6.3 RFI filters ..............................10
6.4 Mains and motor connection ...................10
6.5 STO installation, optional .....................13
6.6 Connecting the signal terminals .................14
6.7 Connecting the signal relays ...................17
6.8 BACnet MS/TP connection ....................18
7. Starting up the product .....................18
7.1 Switching on the product .....................18
7.2 Activating the optional STO function ..............18
8. Control functions .........................19
8.1 Operating panel ..........................19
8.2 Menu overview ...........................19
8.3 Operating modes ..........................20
8.4 Control modes ...........................20
9. Servicing the product ......................22
10. Fault finding the product ....................23
10.1 Overview of warnings and alarms................23
11. Technical data ...........................26
11.1 Enclosure ..............................26
11.2 Operating conditions........................27
11.3 Mechanical data ..........................27
11.4 Electrical data............................30
11.5 Miscellaneous data ........................32
12. Disposing of the product ....................32
13. Document quality feedback ..................32
1. General information
Read this document before you install the product.
Installation and operation must comply with local
regulations and accepted codes of good practice.
Read the installation and operation instruction and safety
installation and operation instruction of the motor for motor
safety information, if the motor is not a Grundfos motor.
1.1 Original installation and operating instructions
These instructions are a supplement to the installation and
operating instructions for the standard pump NB, NK, NBS. For
instructions not mentioned specifically in this manual, see the
installation and operating instructions for the standard pump. In
these instructions the frequency converter part of the NBE, NKE,
NBSE CUE.
1.2 Hazard statements
The symbols and hazard statements below may appear in Grundfos
installation and operating instructions, safety instructions and
service instructions.
DANGER
Indicates a hazardous situation which, if not avoided, will
result in death or serious personal injury.
WARNING
Indicates a hazardous situation which, if not avoided,
could result in death or serious personal injury.
CAUTION
Indicates a hazardous situation which, if not avoided,
could result in minor or moderate personal injury.
The hazard statements are structured in the following way:
SIGNAL WORD
Description of the hazard
Consequence of ignoring the warning
• Action to avoid the hazard.
1.3 Notes
The symbols and notes below may appear in Grundfos
installation and operating instructions, safety instructions and
service instructions.
Observe these instructions for explosion-proof products.
A blue or grey circle with a white graphical symbol
indicates that an action must be taken.
A red or grey circle with a diagonal bar, possibly with a
black graphical symbol, indicates that an action must not
be taken or must be stopped.
If these instructions are not observed, it may result in
malfunction or damage to the equipment.
Tips and advice that make the work easier.
Please ensure that the safety instructions and I&O documentation
are prepared on your end before commencing the service work.
4
English (US)
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