Grundfos ALPHA2 15-50 130, Инструкция по установке и эксплуатации

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English (GB)
3
English (GB) Installation and operating instructions
Original installation and operating instructions.
CONTENTS
Page
1. Symbols used in this document
1. Symbols used in this document
3
2. General description 4
2.1 Advantages of installing a GRUNDFOS ALPHA2 4
3. Identification
5
3.1 Nameplate 5
3.2 Type key 5
4. Applications
6
4.1 System types 6
4.2 Pumped liquids 6
4.3 System pressure 6
4.4 Relative air humidity (RH)
6
4.5 Enclosure class 6
4.6 Inlet pressure 6
5. Mechanical installation
7
5.1 Mounting 7
5.2 Control box positions 8
5.3 Changing the control box position 8
5.4 Insulation of pump housing 9
6. Electrical installation 10
7. Control panel 11
7.1 Elements on the control panel
11
7.2 Display 11
7.3 Light fields indicating the pump setting 11
7.4 Light field indicating the status of Automatic Night
SetBack
11
7.5 Push-button for activation of Automatic Night SetBack 11
7.6 Push-button for selection of pump setting
11
8. Setting the pump 12
8.1 Pump setting for system type 12
8.2 Pump control
12
9. Automatic Night SetBack 13
9.1 Basis for Automatic Night SetBack 13
9.2 Function of Automatic Night SetBack
13
10. Systems with bypass valve between flow and return
pipes
14
10.1 Purpose of bypass valve
14
10.2 Manually operated bypass valve 14
10.3 Automatic bypass valve (thermostatically controlled) 14
11. Startup 15
11.1 Before start-up 15
11.2 Venting the pump 15
11.3 Venting of heating systems 15
12. Pump settings and pump performance
16
12.1 Relation between pump setting and pump performance 16
13. Fault finding 17
14. Technical data and installation dimensions
18
14.1 Technical data 18
14.2 Installation dimensions, GRUNDFOS ALPHA2 XX-50,
XX-60
19
15. Performance curves 20
15.1 Guide to performance curves 20
15.2 Curve conditions
21
15.3 Performance curves, ALPHA2 XX-50 22
15.4 Performance curves, ALPHA2 XX-60 23
16. Accessories
24
17. Disposal 24
Warning
Prior to installation, read these installation and
operating instructions. Installation and operation
must comply with local regulations and accepted
codes of good practice.
Warning
The use of this product requires experience with
and knowledge of the product.
Persons with reduced physical, sensory or
mental capabilities must not use this product,
unless they are under supervision or have been
instructed in the use of the product by a person
responsible for their safety.
Children must not use or play with this product.
Warning
If these safety instructions are not observed,
it may result in personal injury.
Warning
If these instructions are not observed, it may lead
to electric shock with consequent risk of serious
personal injury or death.
Caution
If these safety instructions are not observed,
it may result in malfunction or damage to the
equipment.
Note
Notes or instructions that make the job easier
and ensure safe operation.