Grundfos ALPHA1 model B User Manual

English (GB)
4
English (GB) Installation and operating instructions
Original installation and operating instructions
These installation and operating instructions describe ALPHA1
model B.
Sections 1-5 give the information necessary to be able to unpack,
install and start up the product in a safe way.
Sections 6-12 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 Target group
1.2 Hazard statements
The symbols and hazard statements below may appear in
Grundfos installation and operating instructions, safety
instructions and service instructions.
The hazard statements are structured in the following way:
1. General information
4
1.1 Target group
4
1.2 Hazard statements
4
1.3 Notes
5
2. Receiving the product
5
2.1 Inspecting the product
5
2.2 Scope of delivery
5
3. Installing the product
5
3.1 Mechanical installation
5
3.2 Control box positions
6
3.3 Insulating the pump housing
7
4. Electrical installation
7
4.1 Assembling the plug
8
4.2 Dismantling the plug
9
5. Starting up the product
9
5.1 Before startup
9
5.2 First startup
9
5.3 Venting the pump
10
5.4 Venting the heating system
10
6. Product introduction
11
6.1 Product description
11
6.2 Applications
11
6.3 Pumped liquids
12
6.4 Identification
12
7. Control functions
13
7.1 Elements on the operating panel
13
7.2 Display
13
7.3 Light fields indicating the pump setting
13
7.4 Button for selection of pump setting
13
7.5 Control modes
14
7.6 Pump performance
16
8. Fault finding the product
17
9. Technical data
18
9.1 Data and operating conditions
18
9.2 Dimensions
19
10. Performance curves
20
10.1 Guide to performance curves
20
10.2 Curve conditions
20
10.3 Performance curves, ALPHA1, XX-40 (N)
21
10.4 Performance curves, ALPHA1, XX-50 (N)
22
10.5 Performance curves, ALPHA1, XX-60 (N)
23
10.6 Performance curves, ALPHA1, XX-80 (N)
24
11. Accessories
25
11.1 Unions
25
11.2 Insulating shells
26
11.3 ALPHA plugs
26
12. Disposing of the product
26
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,
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.

Grundfos ALPHA1 model B Specifications

General

Maximum Operating Pressure	10 bar
Supply Voltage	230 V
Enclosure Class	IP42
Insulation Class	F
Pump Type	Circulator
Port-to-port length	180 mm