Grundfos Alpha2 L Bruksanvisning
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GRUNDFOS ALPHA2 L
Installation and operating instructions
GRUNDFOS INSTRUCTIONS
English (GB)
2
English (GB)
English (GB)
English (GB)
English (GB) English (GB) Installation and operating instructions
Original installation and operating instructions
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 Mounting 3
3.3 Control box positions 4
3.4 Changing the control box position 5
3.5 Insulation of pump housing 5
4. Electrical installation 5
4.1 Assembling the plug 6
5. Starting up the product 7
5.1 Before startup 7
5.2 Venting the pump 7
5.3 Venting of heating systems 7
6. Product introduction 8
6.1 Product description 8
6.2 Application 8
6.3 Advantages of installing a GRUNDFOS ALPHA2 L 8
6.4 Intended use 8
6.5 Pumped liquids 8
6.6 System pressure 8
6.7 Relative air humidity (RH) 8
6.8 Enclosure class 8
6.9 Inlet pressure 8
7. Identification 9
7.1 Nameplate 9
7.2 Type key 9
8. Accessories 10
9. Operating panel 11
9.1 Elements on the operating panel 11
9.2 "POWER ON" light field 11
9.3 Light fields indicating the pump setting 11
9.4 Push-button for selection of pump setting 11
10. Setting the pump 12
10.1 Pump setting for system type 12
10.2 Pump control 12
11. Systems with bypass valve between flow and return
pipes 13
11.1 Purpose of bypass valve 13
11.2 Manually operated bypass valve 13
11.3 Automatic bypass valve (thermostatically controlled) 13
12. Pump settings and pump performance 14
12.1 Relation between pump setting and pump performance 14
13. Fault finding the product 15
13.1 Fault finding table 15
14. Technical data and installation dimensions 16
14.1 Technical data 16
14.2 Installation dimensions, GRUNDFOS ALPHA2 L XX-
40, XX-50, XX-60 17
15. Performance curves 18
15.1 Guide to performance curves 18
15.2 Curve conditions 18
15.3 Performance curves, ALPHA2 L XX-40 19
15.4 Performance curves, ALPHA2 L XX-50 19
15.5 Performance curves, ALPHA2 L XX-60 20
16. Disposing of the product 20
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.
English (GB)
3
1.2 Notes
The symbols and notes below may appear in Grundfos
installation and operating instructions, safety instructions and
service instructions.
2. Receiving the product
2.1 Inspecting the product
Check that the product received is in accordance with the order.
Check that the voltage and frequency of the product match
voltage and frequency of the installation site. See section
7.1 Nameplate.
2.2 Scope of delivery
The box contains the following items:
• ALPHA2 L pump
• installer plug
• two gaskets
• quick guide.
3. Installing the product
3.1 Mechanical installation
3.2 Mounting
A blue or grey circle with a white graphical symbol
indicates that an action must be taken.
A red or grey circle with a diagonal bar, possibly with
a black graphical symbol, indicates that an action
must not be taken or must be stopped.
If these instructions are not observed, it may result in
malfunction or damage to the equipment.
Tips and advice that make the work easier.
CAUTION
Crushing of feet
Minor or moderate personal injury
- Wear safety shoes when opening the box and
handling the product.
DANGER
Electric shock
Death or serious personal injury
- Switch off the power supply before starting any
work on the product. Make sure that the power
supply cannot be accidentally switched on.
CAUTION
Crushing of feet
Minor or moderate personal injury
- Wear safety shoes when opening the box and
handling the product.
Installation must be carried out by trained persons in
accordance with local regulations.
The pump must always be installed with a horizontal
motor shaft within ± 5 °.
The mechanical installation must be carried out by
trained persons in accordance with local regulations.
TM07 4154 1119
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Produktspecifikationer
| Varumärke: | Grundfos |
| Kategori: | Pomp |
| Modell: | Alpha2 L |
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