Grundfos ALPHA1 L Serie Instrucciones De Instalación Y Funcionamiento página 5

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. Receiving the product . . . . . . . . . . . . . . . . . . . . . . . 6
2.1 Inspecting the product. . . . . . . . . . . . . . . . . . . . . . . . 6
2.2 Scope of delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3. Installing the product . . . . . . . . . . . . . . . . . . . . . . . 6
3.1 Mechanical installation . . . . . . . . . . . . . . . . . . . . . . . 6
3.2 Pump positions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.3 Control box positions . . . . . . . . . . . . . . . . . . . . . . . . 7
3.4 Electrical connection. . . . . . . . . . . . . . . . . . . . . . . . . 8
3.5 Insulating the pump housing . . . . . . . . . . . . . . . . . . . . 9
4. Starting up the product . . . . . . . . . . . . . . . . . . . . . 10
4.1 Before startup. . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
4.2 Starting up the pump . . . . . . . . . . . . . . . . . . . . . . . 10
4.3 Venting the pump. . . . . . . . . . . . . . . . . . . . . . . . . . 10
5. Product introduction. . . . . . . . . . . . . . . . . . . . . . . 10
5.1 Product description . . . . . . . . . . . . . . . . . . . . . . . . 10
5.2 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
5.3 Pumped liquids . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
5.4 Identification. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12
5.5 Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
6. Control functions . . . . . . . . . . . . . . . . . . . . . . . . . 15
6.1 Operating panel . . . . . . . . . . . . . . . . . . . . . . . . . . 15
6.2 Control modes . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
6.3 Control signal . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
6.4 Pump performance. . . . . . . . . . . . . . . . . . . . . . . . . 18
7. Setting the product. . . . . . . . . . . . . . . . . . . . . . . . 19
7.1 Setting the PWM input signal . . . . . . . . . . . . . . . . . . 20
8. Servicing the product . . . . . . . . . . . . . . . . . . . . . . 20
8.1 Dismantling the product . . . . . . . . . . . . . . . . . . . . . . 20
8.2 Dismantling the plug . . . . . . . . . . . . . . . . . . . . . . . . 20
9. Fault finding the product . . . . . . . . . . . . . . . . . . . . 21
9.1 Deblocking the shaft . . . . . . . . . . . . . . . . . . . . . . . . 21
10. Technical data . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
10.1 Reduced supply voltage . . . . . . . . . . . . . . . . . . . . . 22
10.2 Dimensions, ALPHA1 L XX-40, XX-60, 15-65 . . . . . . . . 23
10.3 Dimensions, ALPHA1 L 25-65 . . . . . . . . . . . . . . . . . . 24
11. Performance curves . . . . . . . . . . . . . . . . . . . . . . . 24
11.1 Guide to performance curves . . . . . . . . . . . . . . . . . . 24
11.2 Curve conditions . . . . . . . . . . . . . . . . . . . . . . . . . . 24
11.3 Performance curves, ALPHA1 L XX-40 . . . . . . . . . . . . 25
11.4 Performance curves, ALPHA1 L XX-60 . . . . . . . . . . . . 26
11.5 Performance curves, ALPHA1 L XX-65 . . . . . . . . . . . . 27
11.6 Performance curves, ALPHA1 L XX-80 . . . . . . . . . . . . 28
12. Disposing of the product . . . . . . . . . . . . . . . . . . . . 28
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.
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 concern-
ing 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.
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.
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