Table Of Contents; General Information; Hazard Statements - Grundfos LC 242 Installation And Operating Instructions Manual

Dual pump unit
Table of Contents

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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.
Installing the product . . . . . . . . . . . . . . . . . . . . . . . 6
2.1
Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.2
Mechanical installation . . . . . . . . . . . . . . . . . . . . . . . 6
2.3
Electrical connection. . . . . . . . . . . . . . . . . . . . . . . . . 8
3.
Starting up the product . . . . . . . . . . . . . . . . . . . . . 11
3.1
Connecting to Grundfos GO Remote . . . . . . . . . . . . . . 11
3.2
Startup wizard on Grundfos GO Remote . . . . . . . . . . . 11
3.3
Startup wizard on the operating panel . . . . . . . . . . . . . 11
3.4
3.5
3.6
Remote. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
3.7
Testing the product. . . . . . . . . . . . . . . . . . . . . . . . . 12
4.
Product introduction. . . . . . . . . . . . . . . . . . . . . . . 12
4.1
Product description . . . . . . . . . . . . . . . . . . . . . . . . 12
4.2
Intended use . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4.3
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4.4
Application types . . . . . . . . . . . . . . . . . . . . . . . . . . 12
4.5
Terminals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
4.6
Identification. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
4.7
protocols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
5.
Control functions . . . . . . . . . . . . . . . . . . . . . . . . . 15
5.1
Operating panel . . . . . . . . . . . . . . . . . . . . . . . . . . 15
6.
Setting the product. . . . . . . . . . . . . . . . . . . . . . . . 15
6.1
6.2
Setting the sensor type . . . . . . . . . . . . . . . . . . . . . . 15
6.3
Setting the start level . . . . . . . . . . . . . . . . . . . . . . . 15
6.4
Setting the stop level . . . . . . . . . . . . . . . . . . . . . . . 16
6.5
Setting the high level . . . . . . . . . . . . . . . . . . . . . . . 16
6.6
Stop delay . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
6.7
Power-on delay . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
6.8
Dry-running protection. . . . . . . . . . . . . . . . . . . . . . . 16
6.9
Multipump settings . . . . . . . . . . . . . . . . . . . . . . . . . 16
6.11 Automatic test run . . . . . . . . . . . . . . . . . . . . . . . . . 17
6.12 Setting the limit exceeded function . . . . . . . . . . . . . . . 17
6.13 Signal-detection time . . . . . . . . . . . . . . . . . . . . . . . 17
GO Remote . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
6.16 Operating the product . . . . . . . . . . . . . . . . . . . . . . . 17
6.17 Motor protection . . . . . . . . . . . . . . . . . . . . . . . . . . 18
6.18 Alarm reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
6.20 Setting units for Grundfos GO Remote. . . . . . . . . . . . . 18
Remote. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Remote. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
6.24 GENIbus . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
6.25 Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
7.
Servicing the product . . . . . . . . . . . . . . . . . . . . . . 19
7.1
Updating the product software . . . . . . . . . . . . . . . . . . 19
7.2
Replacing the battery . . . . . . . . . . . . . . . . . . . . . . . 20
7.3
Replacing the control unit. . . . . . . . . . . . . . . . . . . . . 20
7.4
Replacing the CIM module . . . . . . . . . . . . . . . . . . . . 20
7.5
Replacing the fuse . . . . . . . . . . . . . . . . . . . . . . . . . 20
8.
Fault finding the product . . . . . . . . . . . . . . . . . . . . 21
8.1
Overview of alarm and warning codes . . . . . . . . . . . . . 21
8.2
Code 2 (Power phase missing) . . . . . . . . . . . . . . . . . 21
8.3
Code 3 (External alarm via DI). . . . . . . . . . . . . . . . . . 21
8.4
Code 4 (Too many motor restarts) . . . . . . . . . . . . . . . 21
8.5
Code 9 (Power phase sequence wrong). . . . . . . . . . . . 21
8.6
Code 12 (Service needed) . . . . . . . . . . . . . . . . . . . . 21
8.7
Code 17 (Low system performance) . . . . . . . . . . . . . . 21
8.8
Code 22 (Moisture in motor of pump) . . . . . . . . . . . . . 22
8.9
Code 25 (Wrong configuration) . . . . . . . . . . . . . . . . . 22
8.10 Code 46 (External warning via DI) . . . . . . . . . . . . . . . 22
8.11 Code 48 (Motor is overloaded) . . . . . . . . . . . . . . . . . 22
8.15 Code 94 (Limit exceeded 1) . . . . . . . . . . . . . . . . . . . 22
8.16 Code 95 (Limit exceeded 2) . . . . . . . . . . . . . . . . . . . 23
8.17 Code 117 (Door opened) . . . . . . . . . . . . . . . . . . . . . 23
8.18 Code 130 (Cable theft) . . . . . . . . . . . . . . . . . . . . . . 23
8.21 Code 165 (Signal fault) . . . . . . . . . . . . . . . . . . . . . . 23
8.22 Code 191 (High water level) . . . . . . . . . . . . . . . . . . . 23
8.26 Code 229 (Water on floor) . . . . . . . . . . . . . . . . . . . . 24
9.
Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
9.1
Electrical data. . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
9.2
Mechanical data . . . . . . . . . . . . . . . . . . . . . . . . . . 25
9.3
Environmental data . . . . . . . . . . . . . . . . . . . . . . . . 25
9.4
Temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
9.5
Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
9.6
Weights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
10.
Disposing of the product . . . . . . . . . . . . . . . . . . . . 25

1. General information

Read this document before you install the product. Instal-
lation 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.
5

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