Grundfos NB 80-200/222VAXEF1BESBQQEWX2, Installation And Operating Instructions Manual

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English (GB) Installation and operating instructions
Original installation and operating instructions
Table of contents
1. General information . . . . . . . . . . . . . 5
1.1 Hazard statements . . . . . . . . . . . . . . 5
1.2 Notes . . . . . . . . . . . . . . . . . . . . . 6
2. Product introduction . . . . . . . . . . . . 6
2.1 Product description . . . . . . . . . . . . . . 6
2.2 Identification. . . . . . . . . . . . . . . . . . 7
3. Receiving the product. . . . . . . . . . . . 14
3.1 Performance test . . . . . . . . . . . . . . . 14
3.2 Transporting the product . . . . . . . . . . . 14
3.3 Inspecting the product . . . . . . . . . . . . 14
3.4 Storage after delivery . . . . . . . . . . . . . 14
4. Installing the product . . . . . . . . . . . . 15
4.1 Mounting of motor on bare shaft pumps . . . 15
4.2 Location . . . . . . . . . . . . . . . . . . . . 18
5. Mechanical installation . . . . . . . . . . . 20
5.1 Lifting the product . . . . . . . . . . . . . . . 20
5.2 Installation positions . . . . . . . . . . . . . 21
5.3 Foundation of NB, NBG, MTB pump
without base frame . . . . . . . . . . . . . . 21
5.4 Foundation of NB, NBG pump with base
frame . . . . . . . . . . . . . . . . . . . . . 22
5.5 Pipes . . . . . . . . . . . . . . . . . . . . . 26
5.6 Vibration damping. . . . . . . . . . . . . . . 27
5.7 Expansion joints. . . . . . . . . . . . . . . . 27
5.8 Measuring instruments . . . . . . . . . . . . 28
5.9 Condensation cover. . . . . . . . . . . . . . 28
6. Electrical connection . . . . . . . . . . . . 29
6.1 Motor protection. . . . . . . . . . . . . . . . 29
6.2 Cable entry and screwed connection, MG
motor . . . . . . . . . . . . . . . . . . . . . 29
6.3 Synchronous motors . . . . . . . . . . . . . 30
6.4 Frequency converter operation . . . . . . . . 30
7. Startup . . . . . . . . . . . . . . . . . . . . 31
7.1 Flushing the pipe system . . . . . . . . . . . 31
7.2 Priming the product . . . . . . . . . . . . . . 31
7.3 Checking the direction of rotation . . . . . . 32
7.4 Starting up the pump . . . . . . . . . . . . . 32
7.5 Shaft seal run-in period . . . . . . . . . . . . 33
7.6 Number of motors starting or stopping . . . . 33
7.7 Reference readings of monitoring
equipment . . . . . . . . . . . . . . . . . . . 33
8. Storing the product . . . . . . . . . . . . . 34
9. Servicing the product . . . . . . . . . . . . 34
9.1 Contaminated products . . . . . . . . . . . . 34
9.2 Service kits . . . . . . . . . . . . . . . . . . 34
10. Maintaining the product. . . . . . . . . . . 34
10.1 Maintenance of the pump. . . . . . . . . . . 34
10.2 Maintaining the mechanical shaft seals . . . 34
10.3 Maintaining the motor. . . . . . . . . . . . . 35
10.4 Lubricationof motor bearings . . . . . . . . . 35
10.5 Applying sealant to plugs . . . . . . . . . . . 35
11. Taking the product out of operation . . . . 35
11.1 Protecting the pump during periods of
inactivity and frost. . . . . . . . . . . . . . . 35
12. Fault finding the product . . . . . . . . . . 36
13. Technical data . . . . . . . . . . . . . . . . 39
13.1 Operating conditions . . . . . . . . . . . . . 39
13.2 Electrical data . . . . . . . . . . . . . . . . . 41
13.3 Sound pressure level . . . . . . . . . . . . . 42
14. Disposing of the product . . . . . . . . . . 43
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.
1.1 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.
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English (GB)