Table Of Contents; General Information; Hazard Statements - Grundfos SE1 50 Installation And Operating Instructions Manual

English (GB) Installation and operating instructions
Original installation and operating instructions

Table of contents

1. General information . . . . . . . . . . . . . 5
1.1

General information . . . . . . . . . . . . . . 5

1.2 Hazard statements . . . . . . . . . . . . . . 5
1.3 Notes . . . . . . . . . . . . . . . . . . . . . 6
2. Product introduction . . . . . . . . . . . . 6
2.1 Product description . . . . . . . . . . . . . . 6
2.2 Intended use . . . . . . . . . . . . . . . . . 7
2.3 Pumped liquids . . . . . . . . . . . . . . . . 7
2.4 Identification. . . . . . . . . . . . . . . . . . 7
2.5 Approvals . . . . . . . . . . . . . . . . . . . 8
2.6 Potentially explosive environments. . . . . . 10
3. Transporting the product . . . . . . . . . . 11
3.1 Handling the product . . . . . . . . . . . . . 11
3.2 Lifting the product . . . . . . . . . . . . . . . 11
4. Installation requirements . . . . . . . . . . 12
5. Mechanical installation . . . . . . . . . . . 12
5.1 Mounting the product . . . . . . . . . . . . . 13
6. Electrical connection . . . . . . . . . . . . 16
6.1 Frequency converter operation . . . . . . . . 18
7. Protection and control functions . . . . . 19
7.1 Pump controllers . . . . . . . . . . . . . . . 19
7.2 Switches and sensors . . . . . . . . . . . . 21
7.3 Wiring diagrams. . . . . . . . . . . . . . . . 23
8. Starting up the product . . . . . . . . . . . 27
8.1 Operating mode . . . . . . . . . . . . . . . . 28
8.2 Start and stop levels . . . . . . . . . . . . . 28
8.3 Checking the direction of rotation . . . . . . 29
8.4 Startup. . . . . . . . . . . . . . . . . . . . . 29
9. Storing the product . . . . . . . . . . . . . 31
9.1 Storing the product . . . . . . . . . . . . . . 31
10. Servicing the product . . . . . . . . . . . . 31
10.1 Maintenance schedule . . . . . . . . . . . . 32
10.2 Checking and changing the oil . . . . . . . . 33
10.3 Cleaning and inspecting the pump . . . . . . 34
10.4 Repairing the product . . . . . . . . . . . . . 34
10.5 Spare parts . . . . . . . . . . . . . . . . . . 37
10.6 Contaminated pumps . . . . . . . . . . . . . 37
11. Fault finding the product . . . . . . . . . . 38
11.1 The motor does not start. The fuses blow
or the motor-protective circuit breaker
trips immediately.Caution:Do not start
again! . . . . . . . . . . . . . . . . . . . . . 38
11.2 The pump operates, but the motor-
protective circuit breaker trips after a
short while. . . . . . . . . . . . . . . . . . . 38
11.3 The thermal switch of the pump trips after
a short while. . . . . . . . . . . . . . . . . . 38
11.4 The pump operates at below-standard
performance and power consumption. . . . . 39
11.5 The pump operates, but gives no liquid. . . . 39
11.6 The power consumption is high (SEV). . . . 39
11.7 Noisy operation and excessive vibrations
(SE1). . . . . . . . . . . . . . . . . . . . . . 39
11.8 The pump is clogged. . . . . . . . . . . . . . 39
12. Technical data . . . . . . . . . . . . . . . . 40
12.1 Operating conditions . . . . . . . . . . . . . 40
12.2 Dimensions and weights . . . . . . . . . . . 40
12.3 Storage temperature . . . . . . . . . . . . . 40
12.4 Electrical data . . . . . . . . . . . . . . . . . 40
13. Disposing of the product . . . . . . . . . . 41
1. General information
1.1 General information
This appliance can be used by children
aged from 8 years and above and persons
with reduced physical, sensory or mental
capabilities or lack of experience and
knowledge if they have been given super-
vision or instruction concerning use of the
appliance in a safe way and understand
the hazards involved.
Children shall not play with the appliance.
Cleaning and user maintenance shall not
be made by children without supervision.
Read this document before you install the
product. Installation and operation must
comply with local regulations and accepted
codes of good practice.

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.
5