Inhaltsverzeichnis; General Information; Hazard Statements; Notes - Grundfos MTR 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
2. Product introduction . . . . . . . . . . . . 6
2.1 Intended use . . . . . . . . . . . . . . . . . 6
2.2 Pumped liquids . . . . . . . . . . . . . . . . 6
2.3 Identification. . . . . . . . . . . . . . . . . . 7
3. Receiving the product. . . . . . . . . . . . 9
3.1 Transporting the product . . . . . . . . . . . 9
3.2 Inspecting the product . . . . . . . . . . . . 9
3.3 Lifting the product . . . . . . . . . . . . . . . 9
4. Installation requirements . . . . . . . . . . 10
4.1 Location . . . . . . . . . . . . . . . . . . . . 10
5. Mechanical installation . . . . . . . . . . . 10
5.1 Mounting the product . . . . . . . . . . . . . 10
6. Electrical connection . . . . . . . . . . . . 13
6.1 Changing the terminal box position . . . . . 13
6.2 Frequency converter operation . . . . . . . . 13
7. Starting up the product . . . . . . . . . . . 14
7.1 Preparing for startup . . . . . . . . . . . . . 14
7.2 Venting the product . . . . . . . . . . . . . . 15
8. Servicing the product . . . . . . . . . . . . 15
8.1 Contaminated products . . . . . . . . . . . . 16
8.2 Service documentation . . . . . . . . . . . . 16
8.3 Maintenance . . . . . . . . . . . . . . . . . 16
9. Taking the product out of operation . . . . 17
9.1 Taking the product permanently out of
operation . . . . . . . . . . . . . . . . . . . 17
10. Fault finding the product . . . . . . . . . . 18
10.1 The motor does not run when started. . . . . 18
10.2 The motor-protective circuit breaker trips
immediately when the power supply is
switched on . . . . . . . . . . . . . . . . . . 19
10.3 The motor-protective circuit breaker trips
occasionally . . . . . . . . . . . . . . . . . . 19
10.4 The motor-protective circuit breaker has
not tripped, but the motor does not run . . . 19
10.5 The pump runs but gives no liquid, or the
pump performance is not constant . . . . . . 20
10.6 Leakage from the shaft seal . . . . . . . . . 20
10.7 Noise . . . . . . . . . . . . . . . . . . . . . 20
11. Technical data . . . . . . . . . . . . . . . . 21
11.1 Operating conditions . . . . . . . . . . . . . 21
11.2 Electrical data . . . . . . . . . . . . . . . . . 22
11.3 MTRE 1s/1/3 HS high-speed operation . . . 23
12. Disposing of the product . . . . . . . . . . 23

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 seri-
ous personal injury.
CAUTION
Indicates a hazardous situation which, if
not avoided, could result in minor or mod-
erate 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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