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Argentina

Bombas GRUNDFOS de Argentina S.A.
Ruta Panamericana km. 37.500 Centro 
Industrial Garin
1619 Garín Pcia. de B.A.
Phone: +54-3327 414 444
Telefax: +54-3327 45 3190

Australia

GRUNDFOS Pumps Pty. Ltd.
P.O. Box 2040 
Regency Park 
South Australia 5942 
Phone: +61-8-8461-4611 
Telefax: +61-8-8340 0155 

Austria

GRUNDFOS Pumpen Vertrieb Ges.m.b.H.
Grundfosstraße 2 
A-5082 Grödig/Salzburg 
Tel.: +43-6246-883-0 
Telefax: +43-6246-883-30 

Belgium

N.V. GRUNDFOS Bellux S.A. 
Boomsesteenweg 81-83 
B-2630 Aartselaar 
Tél.: +32-3-870 7300 
Télécopie: +32-3-870 7301

Belarus

Представительство ГРУНДФОС в 
Минске
220125, Минск
ул. Шафарнянская, 11, оф. 56, БЦ 
«Порт»
Тел.:  +375 17 397 397 3

+375 17 397 397 4

Факс: +375 17 397 397 1
E-mail: [email protected]

Bosnia and Herzegovina

GRUNDFOS Sarajevo
Zmaja od Bosne 7-7A,
BH-71000 Sarajevo
Phone: +387 33 592 480
Telefax: +387 33 590 465
www.ba.grundfos.com
e-mail: [email protected]

Brazil

BOMBAS GRUNDFOS DO BRASIL
Av. Humberto de Alencar Castelo Branco, 
630
CEP 09850 - 300
São Bernardo do Campo - SP
Phone: +55-11 4393 5533
Telefax: +55-11 4343 5015

Bulgaria

Grundfos Bulgaria EOOD
Slatina District
Iztochna Tangenta street no. 100
BG - 1592 Sofia
Tel. +359 2 49 22 200
Fax. +359 2 49 22 201
email: [email protected]

Canada

GRUNDFOS Canada Inc. 
2941 Brighton Road 
Oakville, Ontario 
L6H 6C9 
Phone: +1-905 829 9533 
Telefax: +1-905 829 9512 

China

GRUNDFOS Pumps (Shanghai) Co. Ltd.
10F The Hub, No. 33 Suhong Road
Minhang District
Shanghai 201106
PRC
Phone: +86 21 612 252 22
Telefax: +86 21 612 253 33

COLOMBIA

GRUNDFOS Colombia S.A.S.
Km 1.5 vía Siberia-Cota Conj. Potrero 
Chico,
Parque Empresarial Arcos de Cota Bod. 
1A.
Cota, Cundinamarca
Phone: +57(1)-2913444
Telefax: +57(1)-8764586

Croatia

GRUNDFOS CROATIA d.o.o.
Buzinski prilaz 38, Buzin
HR-10010 Zagreb
Phone: +385 1 6595 400 
Telefax: +385 1 6595 499
www.hr.grundfos.com

GRUNDFOS Sales Czechia and 
Slovakia s.r.o.

Čajkovského 21
779 00 Olomouc
Phone: +420-585-716 111

Denmark

GRUNDFOS DK A/S 
Martin Bachs Vej 3 
DK-8850 Bjerringbro 
Tlf.: +45-87 50 50 50 
Telefax: +45-87 50 51 51 
E-mail: [email protected]
www.grundfos.com/DK

Estonia

GRUNDFOS Pumps Eesti OÜ
Peterburi tee 92G
11415 Tallinn
Tel: + 372 606 1690
Fax: + 372 606 1691

Finland

OY GRUNDFOS Pumput AB 
Trukkikuja 1 
FI-01360 Vantaa 
Phone: +358-(0) 207 889 500

France

Pompes GRUNDFOS Distribution S.A. 
Parc d’Activités de Chesnes 
57, rue de Malacombe 
F-38290 St. Quentin Fallavier (Lyon) 
Tél.: +33-4 74 82 15 15 
Télécopie: +33-4 74 94 10 51 

Germany

GRUNDFOS GMBH
Schlüterstr. 33
40699 Erkrath
Tel.: +49-(0) 211 929 69-0 
Telefax: +49-(0) 211 929 69-3799
e-mail: [email protected]
Service in Deutschland:
e-mail: [email protected]

Greece

GRUNDFOS Hellas A.E.B.E. 
20th km. Athinon-Markopoulou Av. 
P.O. Box 71 
GR-19002 Peania 
Phone: +0030-210-66 83 400 
Telefax: +0030-210-66 46 273

Hong Kong

GRUNDFOS Pumps (Hong Kong) Ltd. 
Unit 1, Ground floor 
Siu Wai Industrial Centre 
29-33 Wing Hong Street & 
68 King Lam Street, Cheung Sha Wan 
Kowloon 
Phone: +852-27861706 / 27861741 
Telefax: +852-27858664 

Hungary

GRUNDFOS Hungária Kft.
Tópark u. 8
H-2045 Törökbálint, 
Phone: +36-23 511 110
Telefax: +36-23 511 111

India

GRUNDFOS Pumps India Private Limited
118 Old Mahabalipuram Road
Thoraipakkam
Chennai 600 096
Phone: +91-44 2496 6800

Indonesia

PT. GRUNDFOS POMPA
Graha Intirub Lt. 2 & 3
Jln. Cililitan Besar No.454. Makasar, 
Jakarta Timur
ID-Jakarta 13650
Phone: +62 21-469-51900
Telefax: +62 21-460 6910 / 460 6901 

Ireland

GRUNDFOS (Ireland) Ltd. 
Unit A, Merrywell Business Park
Ballymount Road Lower
Dublin 12 
Phone: +353-1-4089 800 
Telefax: +353-1-4089 830 

Italy

GRUNDFOS Pompe Italia S.r.l. 
Via Gran Sasso 4
I-20060 Truccazzano (Milano)
Tel.: +39-02-95838112 
Telefax: +39-02-95309290 / 95838461 

Japan

GRUNDFOS Pumps K.K.
1-2-3, Shin-Miyakoda, Kita-ku, 
Hamamatsu
431-2103 Japan
Phone: +81 53 428 4760
Telefax: +81 53 428 5005

Korea

GRUNDFOS Pumps Korea Ltd.
6th Floor, Aju Building 679-5
Yeoksam-dong, Kangnam-ku, 135-916
Seoul, Korea
Phone: +82-2-5317 600
Telefax: +82-2-5633 725

Latvia

SIA GRUNDFOS Pumps Latvia 
Deglava biznesa centrs
Augusta Deglava ielā 60, LV-1035, Rīga,
Tālr.: + 371 714 9640, 7 149 641
Fakss: + 371 914 9646

Lithuania

GRUNDFOS Pumps UAB
Smolensko g. 6
LT-03201 Vilnius
Tel: + 370 52 395 430
Fax: + 370 52 395 431

Malaysia

GRUNDFOS Pumps Sdn. Bhd.
7 Jalan Peguam U1/25
Glenmarie Industrial Park
40150 Shah Alam
Selangor 
Phone: +60-3-5569 2922
Telefax: +60-3-5569 2866

Mexico

Bombas GRUNDFOS de México S.A. de 
C.V. 
Boulevard TLC No. 15
Parque Industrial Stiva Aeropuerto
Apodaca, N.L. 66600
Phone: +52-81-8144 4000 
Telefax: +52-81-8144 4010

Netherlands

GRUNDFOS Netherlands
Veluwezoom 35
1326 AE Almere
Postbus 22015
1302 CA ALMERE 
Tel.: +31-88-478 6336 
Telefax: +31-88-478 6332
E-mail: [email protected]

New Zealand

GRUNDFOS Pumps NZ Ltd.
17 Beatrice Tinsley Crescent
North Harbour Industrial Estate
Albany, Auckland
Phone: +64-9-415 3240
Telefax: +64-9-415 3250

Norway

GRUNDFOS Pumper A/S 
Strømsveien 344 
Postboks 235, Leirdal 
N-1011 Oslo 
Tlf.: +47-22 90 47 00 
Telefax: +47-22 32 21 50 

Poland

GRUNDFOS Pompy Sp. z o.o.
ul. Klonowa 23
Baranowo k. Poznania
PL-62-081 Przeźmierowo
Tel: (+48-61) 650 13 00
Fax: (+48-61) 650 13 50

Portugal

Bombas GRUNDFOS Portugal, S.A. 
Rua Calvet de Magalhães, 241
Apartado 1079
P-2770-153 Paço de Arcos
Tel.: +351-21-440 76 00
Telefax: +351-21-440 76 90

Romania

Grundfos Pompe România SRL
S-PARK BUSINESS CENTER, Clădirea 
A2,
etaj 2, Str. Tipografilor, Nr. 11-15, Sector 1,
 Cod 013714, Bucuresti, Romania,
Tel: 004 021 2004 100
E-mail: [email protected]
www.grundfos.ro

Russia

ООО Грундфос Россия
ул. Школьная, 39-41
Москва, RU-109544, Russia 
Тел. (+7) 495 564-88-00 (495) 737-30-00
Факс (+7) 495 564 8811
E-mail [email protected]

Serbia 

Grundfos Srbija d.o.o.
Omladinskih brigada 90b
11070 Novi Beograd 
Phone: +381 11 2258 740
Telefax: +381 11 2281 769
www.rs.grundfos.com

Singapore

GRUNDFOS (Singapore) Pte. Ltd.
25 Jalan Tukang 
Singapore 619264 
Phone: +65-6681 9688 
Telefax: +65-6681 9689

Slovakia

GRUNDFOS s.r.o.
Prievozská 4D 
821 09 BRATISLAVA 
Phona: +421 2 5020 1426
sk.grundfos.com

Slovenia

GRUNDFOS LJUBLJANA, d.o.o.
Leskoškova 9e, 1122 Ljubljana
Phone: +386 (0) 1 568 06 10
Telefax: +386 (0)1 568 06 19
E-mail: [email protected]

South Africa

Grundfos (PTY) Ltd.
16 Lascelles Drive, Meadowbrook Estate
1609 Germiston, Johannesburg
Tel.: (+27) 10 248 6000
Fax: (+27) 10 248 6002
E-mail: [email protected]

Spain

Bombas GRUNDFOS España S.A. 
Camino de la Fuentecilla, s/n 
E-28110 Algete (Madrid) 
Tel.: +34-91-848 8800 
Telefax: +34-91-628 0465 

Sweden

GRUNDFOS AB 
Box 333 (Lunnagårdsgatan 6) 
431 24 Mölndal 
Tel.: +46 31 332 23 000
Telefax: +46 31 331 94 60 

Switzerland

GRUNDFOS Pumpen AG 
Bruggacherstrasse 10 
CH-8117 Fällanden/ZH 
Tel.: +41-44-806 8111 
Telefax: +41-44-806 8115 

Taiwan

GRUNDFOS Pumps (Taiwan) Ltd. 
7 Floor, 219 Min-Chuan Road 
Taichung, Taiwan, R.O.C. 
Phone: +886-4-2305 0868
Telefax: +886-4-2305 0878

Thailand

GRUNDFOS (Thailand) Ltd. 
92 Chaloem Phrakiat Rama 9 Road,
Dokmai, Pravej, Bangkok 10250
Phone: +66-2-725 8999
Telefax: +66-2-725 8998

Turkey

GRUNDFOS POMPA San. ve Tic. Ltd. Sti.
Gebze Organize Sanayi Bölgesi 
Ihsan dede Caddesi,
2. yol 200. Sokak No. 204
41490 Gebze/ Kocaeli
Phone: +90 - 262-679 7979
Telefax: +90 - 262-679 7905
E-mail: [email protected]

Ukraine

Бізнес Центр Європа
Столичне шосе, 103
м. Київ, 03131, Україна 
Телефон: (+38 044) 237 04 00 
Факс.: (+38 044) 237 04 01
E-mail: [email protected]

United Arab Emirates

GRUNDFOS Gulf Distribution
P.O. Box 16768
Jebel Ali Free Zone
Dubai
Phone: +971 4  8815 166
Telefax: +971 4 8815 136

United Kingdom

GRUNDFOS Pumps Ltd. 
Grovebury Road 
Leighton Buzzard/Beds. LU7 4TL 
Phone: +44-1525-850000 
Telefax: +44-1525-850011 

U.S.A.

GRUNDFOS Pumps Corporation 
9300 Loiret Blvd.
Lenexa, Kansas 66219
Phone: +1-913-227-3400 
Telefax: +1-913-227-3500 

Uzbekistan

Grundfos Tashkent, Uzbekistan The 
Representative Office of Grundfos 
Kazakhstan in Uzbekistan
38a, Oybek street, Tashkent
Телефон: (+998) 71 150 3290 / 71 150 
3291
Факс: (+998) 71 150 3292

Addresses Revised 09.09.2020

Summary of Contents for 509921

Page 1: ...ALPHA1 L Installation and operating instructions GRUNDFOS INSTRUCTIONS ...

Page 2: ...des 11 6 3 Control signal 12 6 4 Pump performance 14 7 Setting the product 15 7 1 Setting the PWM input signal 16 8 Servicing the product 16 8 1 Dismantling the product 16 8 2 Dismantling the plug 16 9 Fault finding the product 17 9 1 Deblocking the shaft 17 10 Technical data 18 10 1 Dimensions ALPHA1 L XX 40 XX 60 15 65 19 10 2 Dimensions ALPHA1 L 25 65 20 11 Performance curves 20 11 1 Guide to p...

Page 3: ...Observe these instructions for explosion proof products 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 ...

Page 4: ...wer supply before starting any work on the product Make sure that the power supply cannot be accidentally switched on CAUTION Hot surface Minor or moderate personal injury The pump housing may be hot due to the pumped liquid being scalding hot Close the isolating valves on both sides of the pump and wait for the pump housing to cool down CAUTION Pressurised system Minor or moderate personal injury...

Page 5: ...njury Connect the pump to protective earth DANGER Electric shock Death or serious personal injury In case of an insulation fault the fault current may be a pulsating DC Observe national legislation about requirements for and selection of Residual Current Device RCD when installing the pump The pump is not a safety component and cannot be used to ensure functional safety in the final appliance Step...

Page 6: ...3 Venting the pump The pump is self venting through the system 4 2 Starting up the pump 7 Refit the terminal cover See A Note It is possible to turn the power supply plug on the side for a 90 cable entry See B TM06 8549 0918 TM06 8550 0918 8 Tighten the union nut TM06 8551 0918 9 Tighten the cable gland onto the power supply plug TM06 8552 0918 10 Insert the power supply plug into the male plug on...

Page 7: ...with constant or variable flows where it is desirable to optimise the pump duty point Installation in existing systems where the differential pressure of the pump is too high during periods of reduced flow demand Installation in new systems for automatic adjustment of the performance to flow demands without the use of bypass valves or similar expensive components 5 3 Pumped liquids The pump is sui...

Page 8: ...fficiency Index EEI 6 Voltage V 7 Average power input PL avg Ecodesign regulation 8 Model designation 9 Product number 10 Serial number 11 Country of origin 12 Frequency Hz 13 Part according to EEI 14 Enclosure class 15 Manufacturer s name and address 16 Production code 1st and 2nd figures production site code 3rd and 4th figures year 5th and 6th figures week 17 Minimum liquid temperature 18 Produ...

Page 9: ...10226 1 standard Rc or Rp threads are internal threads with either tapered or cylindrical threads You can screw conical male R threads into female Rc or Rp threads See fig 9 Fig 9 G threads and R threads 5 5 2 Insulating shells The accessory set is tailored to the individual pump type The insulating shells enclose the entire pump housing and are easy to fit around the pump Product numbers unions A...

Page 10: ...ect the cable to the control box by a mini superseal plug See section 7 1 Setting the PWM input signal The optional signal cable is available as an accessory The cable length must not exceed 3 metres Fig 10 Mini superseal plug TM06 4414 Conductor Colour Signal input Brown Signal reference Blue Signal output Black Product Product description Length mm Product number Installer plug 99439948 Mini sup...

Page 11: ...emand in the system following a proportional pressure curve Fig 12 Proportional pressure curve 6 2 2 Underfloor heating mode The underfloor heating mode adjusts the pump performance to the actual heat demand in the system following a constant pressure curve Fig 13 Constant pressure curve TM06 7286 4616 Symbol Description Button I II III Constant curve or constant speed curve I II and III Radiator ...

Page 12: ...mp For instructions on how to set the connection see section 7 1 Setting the PWM input signal Duty cycle d 100 x t T Example Fig 15 PWM signal 6 3 1 Interface The pump s interface consists of an electronic part connecting the external control signal to the pump The interface translates the external signal into a signal type that the microprocessor can understand In addition the interface ensures t...

Page 13: ...a TM06 9136 1617 PWM input signal Pump status 10 Maximum speed max 10 84 Variable speed min to max 84 91 Minimum speed IN 91 95 Hysteresis area on off 95 or 100 Standby mode off TM07 1313 1118 PWM input signal Max Speed PWM input signal Max Speed 25 50 100 150 200 250 10 20 30 40 50 60 70 80 90 100 Power W Standby stop Alarm stop fault blocked pump Alarm stop electrical fault Warning Saturation at...

Page 14: ...ditions III Constant curve or constant speed III The pump runs at a constant speed and consequently on a constant curve At speed III the pump is set to run on the maximum curve under all operating conditions Quick venting of the pump can be obtained by setting the pump to speed III for a short period Radiator heating mode proportional pressure curve The duty point of the pump will move up or down ...

Page 15: ...al equals 0 the pump will switch to the control mode selected before connecting to a PWM signal For details on setting the PWM input signal see section 7 1 Setting the PWM input signal To select the fixed proportional pressure curve press and hold the button for 3 seconds To disable this control mode press and hold the button for 3 seconds To learn more about each control mode see section 6 2 Cont...

Page 16: ...mp 4 Loosen the fittings 5 Remove the pump from the system 8 2 Dismantling the plug 1 Loosen the cable gland and unscrew the union nut in the centre of the terminal cover 2 Detach the terminal cover 3 Loosen the screws on the power supply plug and disconnect the cable conductors 4 Pull the power cable back through the cable gland and terminal cover Conductor Colour Signal input Brown Signal refere...

Page 17: ...arms are active at the same time the LEDs only show the error with the highest priority The priority is defined by the sequence of the table 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 Hot surface Minor or moderate personal injury The pump housin...

Page 18: ...imum 1 0 MPa 10 bar Inlet pressure Liquid temperature Minimum inlet pressure 75 C 0 005 MPa 0 05 bar 0 5 m head 95 C 0 05 MPa 0 5 bar 5 m head Maximum inlet pressure 1 MPa 10 bar Ambient temperature 0 55 C Liquid temperature 2 95 C Liquid Maximum water propylene glycol mixture is 50 Viscosity Maximum 10 mm2 s Maximum altitude of installation 2000 m above sea level Electrical data Supply voltage 1 ...

Page 19: ...A1 L 15 65 130 88 64 54 54 46 47 25 102 47 149 G 1 ALPHA1 L 20 40 130 88 64 54 54 46 47 25 102 47 149 G 1 1 4 ALPHA1 L 20 60 130 88 64 54 54 46 47 25 102 47 149 G 1 1 4 ALPHA1 L 25 40 130 88 64 54 54 46 47 25 102 47 149 G 1 1 2 ALPHA1 L 25 40 180 88 64 54 54 46 46 25 102 47 149 G 1 1 2 ALPHA1 L 25 60 130 88 64 54 54 46 47 25 102 47 149 G 1 1 2 ALPHA1 L 25 60 180 88 64 54 54 46 46 25 102 47 149 G 1...

Page 20: ...on the following pages Test liquid airless water The curves apply to a density of ρ 983 2 kg m3 and a liquid temperature of 60 C All curves show average values and must not be used as guarantee curves If a specific minimum performance is required individual measurements must be made The curves apply to a kinematic viscosity of 0 474 mm2 s 0 474 cSt The EEI values obtained according to EN 16297 par...

Page 21: ...0797 1018 0 0 0 2 0 4 0 6 0 8 1 0 1 2 1 4 1 6 1 8 2 0 2 2 2 4 2 6 2 8Q m h 0 1 2 3 4 5 m H 0 10 20 30 40 50 kPa p 0 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 Q l s 0 0 0 2 0 4 0 6 0 8 1 0 1 2 1 4 1 6 1 8 2 0 2 2 2 4 2 6 2 8Q m h 0 5 10 15 20 25 W P1 Setting P1 W I1 A Min 4 0 05 Max 25 0 26 ...

Page 22: ...4 0 6 0 8 1 0 1 2 1 4 1 6 1 8 2 0 2 2 2 4 2 6 2 8 3 0 3 2 3 4 Q m h 0 1 2 3 4 5 6 m H 0 10 20 30 40 50 60 kPa p 0 0 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 8 0 9 1 0 Q l s 0 0 0 2 0 4 0 6 0 8 1 0 1 2 1 4 1 6 1 8 2 0 2 2 2 4 2 6 2 8 3 0 3 2 3 4 Q m h 0 10 20 30 40 50 W P1 Setting P1 W I1 A Min 4 0 05 Max 45 0 42 ...

Page 23: ...d with this symbol reaches its end of life take it to a collection point designated by the local waste disposal authorities The separate collection and recycling of such products will help protect the environment and human health See also end of life information at www grundfos com product recycling TM07 0799 1018 0 0 0 2 0 4 0 6 0 8 1 0 1 2 1 4 1 6 1 8 2 0 2 2 2 4 2 6 2 8 3 0 3 2 3 4 3 6 Q m h 0 ...

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Page 25: ...6th Floor Aju Building 679 5 Yeoksam dong Kangnam ku 135 916 Seoul Korea Phone 82 2 5317 600 Telefax 82 2 5633 725 Latvia SIA GRUNDFOS Pumps Latvia Deglava biznesa centrs Augusta Deglava ielā 60 LV 1035 Rīga Tālr 371 714 9640 7 149 641 Fakss 371 914 9646 Lithuania GRUNDFOS Pumps UAB Smolensko g 6 LT 03201 Vilnius Tel 370 52 395 430 Fax 370 52 395 431 Malaysia GRUNDFOS Pumps Sdn Bhd 7 Jalan Peguam ...

Page 26: ...displayed in this material including but not limited to Grundfos the Grundfos logo and be think innovate are registered trademarks owned by The Grundfos Group All rights reserved 2021 Grundfos Holding A S all rights reserved www grundfos com ...

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