Grundfos 509921, Instructions Manual

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English (GB)
2
English (GB) Installation and operating instructions
Original installation and operating instructions
These installation and operating instructions describe Grundfos
ALPHA1 L.
Sections 1-4 give the information necessary to be able to unpack,
install and start up the product in a safe way.
Sections 5-12 give important information about the product, as
well as information on service, fault finding and disposal of the
product.
CONTENTS
Page
1. General information
1.1 Hazard statements
The symbols and hazard statements below may appear in
Grundfos installation and operating instructions, safety
instructions and service instructions.
The text accompanying the three hazard symbols DANGER,
WARNING and CAUTION is structured in the following way:
The hazard statements are structured in the following way:
1. General information
2
1.1 Hazard statements 2
1.2 Notes 3
2. Receiving the product
3
2.1 Inspecting the product 3
2.2 Scope of delivery 3
3. Installing the product 3
3.1 Mechanical installation 3
3.2 Pump positions 4
3.3 Control box positions 4
3.4 Electrical connection
5
3.5 Insulating the pump housing 6
4. Starting up the product 6
4.1 Before startup
6
4.2 Starting up the pump 6
4.3 Venting the pump 7
5. Product introduction
7
5.1 Product description 7
5.2 Applications 7
5.3 Pumped liquids 7
5.4 Identification
8
5.5 Accessories 9
6. Control functions 11
6.1 Operating panel
11
6.2 Control modes 11
6.3 Control signal 12
6.4 Pump performance 14
7. Setting the product
15
7.1 Setting the PWM input signal 16
8. Servicing the product 16
8.1 Dismantling the product
16
8.2 Dismantling the plug 16
9. Fault finding the product 17
9.1 Deblocking the shaft
17
10. Technical data 18
10.1 Dimensions, ALPHA1 L XX-40, XX-60, 15-65 19
10.2 Dimensions, ALPHA1 L 25-65
20
11. Performance curves 20
11.1 Guide to performance curves 20
11.2 Curve conditions 20
11.3 Performance curves, ALPHA1 L XX-40
21
11.4 Performance curves, ALPHA1 L XX-60 22
11.5 Performance curves, ALPHA1 L XX-65 23
12. Disposal
23
Read this document and the quick guide before you
install the product. Installation and operation must
comply with local regulations and accepted codes of
good practice.
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 supervision
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.
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.
SIGNAL WORD
Description of hazard
Consequence of ignoring the warning.
- Action to avoid the hazard.