Table Of Contents; General Information; Hazard Statements - Grundfos ALPHA2 Series Installation And Operating Instructions Manual

English (GB) Installation and operating instructions
Original installation and operating instructions
These installation and operating instructions describe ALPHA2.
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
1. General information
1.1 Hazard statements
1.2 Notes
2. Receiving the product
2.1 Inspecting the product
2.2 Scope of delivery
3. Installing the product
3.1 Mechanical installation
3.2 Pump positions
3.3 Control box positions
3.4 Insulating the pump housing
3.5 Electrical installation
3.6 Assembling the plug
4. Starting up the product
4.1 Before startup
4.2 First startup
4.3 Venting the pump
5. Product introduction
5.1 Product description
5.2 Intended use
5.3 Pumped liquids
5.4 Identification
5.5 Accessories
5.6 Insulating shells, ALPHA2
5.7 ALPHA plugs
5.8 ALPHA Reader
6. Control modes
6.1 AUTO
ADAPT
6.2 Proportional-pressure mode
6.3 Constant-pressure mode
6.4 Constant curve/constant speed
6.5 Automatic night setback
6.6 Guide to control mode selection
6.7 Pump performance
7. Setting the product
7.1 Elements on the operating panel
7.2 Display
7.3 Light fields indicating the pump setting
7.4 Button for enabling or disabling of automatic night
setback
7.5 Button for selection of pump setting
7.6 Setting automatic night setback
7.7 Setting manual summer mode
7.8 Dry-running protection
7.9 Using ALPHA Reader
8. Servicing the product
8.1 Dismantling the product
8.2 Dismantling the plug
9. Fault finding the product
9.1 High-torque start
9.2 Fault finding table
10. Technical data
10.1 Dimensions, ALPHA2 XX-40, XX-50, XX-60, XX-80
11. Performance curves
11.1 Guide to performance curves
11.2 Curve conditions
11.3 Performance curves, ALPHA2 XX-40 (N)
11.4 Performance curves, ALPHA2 XX-50 (N)
11.5 Performance curves, ALPHA2 XX-60 (N)
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11.6 Performance curves, ALPHA2 XX-80 (N)
12. Disposing of the product
Read this document and the quick guide before
installing 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,
Page
sensory or mental capabilities or lack of experience
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and knowledge if they have been given supervision
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or instruction concerning use of the appliance in a
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safe way and understand the hazards involved.
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Children shall not play with the appliance. Cleaning
3
and user maintenance shall not be made by children
3 without supervision.
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1. General information

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1.1 Hazard statements

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The symbols and hazard statements below may appear in
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Grundfos installation and operating instructions, safety
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instructions and service instructions.
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DANGER
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Indicates a hazardous situation which, if not avoided,
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will result in death or serious personal injury.
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WARNING
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8 Indicates a hazardous situation which, if not avoided,
could result in death or serious personal injury.
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CAUTION
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Indicates a hazardous situation which, if not avoided,
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could result in minor or moderate personal injury.
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The hazard statements are structured in the following way:
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SIGNAL WORD
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Description of hazard
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Consequence of ignoring the warning.
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- Action to avoid the hazard.
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