Grundfos ALPHA2 Bedienungsanleitung
Grundfos
Wärmepumpe
ALPHA2
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Grundfos ALPHA2
Installation and operating instructions
GRUNDFOS INSTRUCTIONS
English (GB)
2
English (GB) Installation and operating instructions
Original installation and operating instructions.
CONTENTS
Page
1. Symbols used in this document 3
1.1 Warning symbols used in the quick guide 3
2. General information 4
2.1 System specifications 4
2.2 Applications 4
2.3 Pumped liquids 4
3. Identification 5
3.1 Nameplate 5
3.2 Model type 5
3.3 Type key 5
4. Mechanical installation 6
4.1 Mounting 6
4.2 Control box positions 6
4.3 Positioning in heating and domestic hot-water systems 6
4.4 Positioning in air-conditioning and cold-water systems 7
4.5 Changing the control box position 7
4.6 Insulation of pump housing 7
4.7 Air-conditioning and cold-water systems 7
5. Electrical installation 8
5.1 Assembling the plug 8
5.2 Disassembling the plug 9
5.3 First startup 9
6. Control panel 10
6.1 Elements on the control panel 10
6.2 Display 10
6.3 Light fields indicating the pump setting 10
6.4 Light field indicating the status of automatic night
setback 11
6.5 Button for enabling or disabling of automatic night
setback 11
6.6 Button for selection of pump setting 11
7. Setting the pump 12
7.1 Pump setting for two-pipe heating systems 12
7.2 Pump setting for one-pipe heating systems 12
7.3 Pump setting for underfloor heating systems 13
7.4 Pump setting for domestic hot-water systems 13
7.5 Changing from recommended to alternative pump
setting 13
7.6 Pump control 14
8. Automatic night setback/summer mode 15
8.1 Use of automatic night setback 15
8.2 Function of automatic night setback 15
8.3 Setting summer mode 16
8.4 Purpose of bypass valve 16
8.5 Manually operated bypass valve 16
8.6 Automatic bypass valve (thermostatically controlled) 16
9. Startup 17
9.1 Before startup 17
9.2 Venting the pump 17
9.3 Venting of heating systems 17
10. Pump settings and pump performance 18
10.1 Relation between pump setting and pump performance 18
11. Fault finding 19
12. Technical data and installation dimensions 20
12.1 Technical data 20
12.2 Installation dimensions, Grundfos ALPHA2 XX-40,
XX-50, XX-60, XX-80 21
12.3 Installation dimensions, Grundfos ALPHA2 25-40 A,
25-60 A 22
13. Performance curves 23
13.1 Guide to performance curves 23
13.2 Curve conditions 23
13.3 Performance curves, ALPHA2 XX-40 (N) 24
13.4 Performance curves, ALPHA2 XX-50 (N) 25
13.5 Performance curves, ALPHA2 XX-60 (N) 26
13.6 Performance curves, ALPHA2 25-40 A 27
13.7 Performance curves, ALPHA2 25-60 A 28
13.8 Performance curves, ALPHA2 XX-80 (N) 29
14. Accessories 30
14.1 Insulating shells 31
14.2 ALPHA plugs 31
15. Disposal 31
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
This product can be used by
children of eight years and up
and persons with reduced
physical, sensory or mental
capabilities or lack of
experience and knowledge if
they are under supervision or
have been instructed in the safe
use of the product and
understand the hazards
involved.
Children must not play with the
product. Cleaning and
maintenance of the product
must not be made by children
without supervision.
English (GB)
3
1. Symbols used in this document 1.1 Warning symbols used in the quick guide
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
Caution
Caution
CautionCaution
If these safety instructions are not observed,
it may result in malfunction or damage to the
equipment.
Symbol Description
Warning
Do not use the pump for
flammable liquids, such as
diesel oil and petrol.
Warning
Do not use the pump for
aggressive liquids, such as
acids and seawater.
Warning
Drain the system or close
the isolating valves on either
side of the pump before you
remove the screws.
The pumped liquid may be
scalding hot and under high
pressure.
Warning
Position the pump so that
persons cannot accidentally
come into contact with hot
surfaces.
Warning
Switch off the power supply
before making connections.
Make sure that the power
supply cannot be
accidentally switched on.
The pump must be
connected to earth.
The pump must be
connected to an external
mains switch with a
minimum contact gap of
3 mm in all poles.
Produktspezifikationen
| Marke: | Grundfos |
| Kategorie: | Wärmepumpe |
| Modell: | ALPHA2 |
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Bedienungsanleitung Wärmepumpe Grundfos
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