Inhaltsverzeichnis; General Information; Hazard Statements; Notes - Grundfos AP40-70 Montage- Und Betriebsanleitung

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 . . . . . . . . . . . . . . . . . . . . . 5
1.3 Target group. . . . . . . . . . . . . . . . . . 6
2. Product introduction . . . . . . . . . . . . 6
2.1 Product description . . . . . . . . . . . . . . 6
3. Receiving the product. . . . . . . . . . . . 8
3.1 Transporting the product . . . . . . . . . . . 8
3.2 Handling and lifting the product . . . . . . . 8
4. Mechanical installation . . . . . . . . . . . 8
4.1 Installation requirements . . . . . . . . . . . 8
4.2 Installation on auto-coupling . . . . . . . . . 8
4.3 Installation on ring stand . . . . . . . . . . . 10
5. Electrical connection . . . . . . . . . . . . 10
5.1 CU 100 control unit . . . . . . . . . . . . . . 11
5.2 Level controllers. . . . . . . . . . . . . . . . 11
5.3 Sensors . . . . . . . . . . . . . . . . . . . . 12
6. Startup . . . . . . . . . . . . . . . . . . . . 12
6.1 Operating modes . . . . . . . . . . . . . . . 13
6.2 Start and stop levels . . . . . . . . . . . . . 13
6.3 Direction of rotation . . . . . . . . . . . . . . 14
6.4 Resetting the pump . . . . . . . . . . . . . . 14
7. Storing the product . . . . . . . . . . . . . 14
8. Maintenance and service . . . . . . . . . . 15
8.1 Maintenance schedule . . . . . . . . . . . . 15
8.2 Test insulation resistance . . . . . . . . . . . 15
8.3 Replacing the impeller . . . . . . . . . . . . 15
8.4 Ball bearingmaintenance . . . . . . . . . . . 16
8.5 Oil check and change . . . . . . . . . . . . . 16
8.6 Service kits . . . . . . . . . . . . . . . . . . 17
8.7 Contaminated pumps . . . . . . . . . . . . . 17
9. Fault finding . . . . . . . . . . . . . . . . . 17
9.1 The pump does not start . . . . . . . . . . . 17
9.2 The pump runs, but delivers no liquid . . . . 17
9.3 The pump starts, but the motor-protective
circuit breaker trips after a short time . . . . 17
9.4 The pump runs at below standard
performance and power consumption . . . . 18
9.5 Mechanical shaft seal leaks, sealing
chamber monitor reports fault and
switches the pump off. . . . . . . . . . . . . 18
10. Technical data . . . . . . . . . . . . . . . . 19
10.1 Operating conditions . . . . . . . . . . . . . 19
10.2 Weights . . . . . . . . . . . . . . . . . . . . 19
10.3 Electrical data . . . . . . . . . . . . . . . . . 19
11. Disposing of the product . . . . . . . . . . 19

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.

1.2 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.
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