Page 1
CM Booster PS, PT
Installation and operating instructions, supplement
GRUNDFOS INSTRUCTIONS
Page 2
English (GB)
2
English (GB) Installation and operating instructions
Original supplement to Quick Guide.
CONTENTS
Page
1. Symbols used in this document
2. Applications
The CM Booster is suitable for pressure boosting of
clean fresh water in domestic water supply systems.
3. System sizing
4. Mechanical installation
Make sure that the pump is not stressed by the
pipework.
1. Symbols used in this document
2
2. Applications
2
3. System sizing
2
4. Mechanical installation
2
5. Electrical connection
3
6. Start-up
3
6.1 Shaft seal run-in
3
7. Adjustment
3
7.1 Calculating the cut-in and cut-out pressures
3
7.2 Adjusting the precharge pressure
3
7.3 Setting the pressure switch
4
8. Operation and maintenance
4
9. Frost protection
4
10. Technical data
4
11. Fault finding
5
12. Disposal
5
Warning
Prior to installation, read this document
and the quick guide. 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.
Warning
The system in which the CM Booster is
incorporated must be designed for the
maximum pump pressure.
Note
The default setting can be found in the
quick guide.
Warning
Before starting any work on the
CM Booster, make sure that the power
supply has been switched off and that it
cannot be accidentally switched on.
Page 3
English (GB)
3
5. Electrical connection
The electrical connection should be carried out by an
authorised electrician in accordance with local
regulations.
Single-phase motors incorporate a thermal switch
and require no additional motor protection.
Three-phase motors must be connected to an
external mains switch and a motor-protective circuit
breaker.
6. Start-up
6.1 Shaft seal run-in
The seal faces are lubricated by the pumped liquid,
meaning that there may be a certain amount of
leakage from the shaft seal.
When the pump is started up for the first time, or
when a new shaft seal is installed, a certain run-in
period is required before the leakage is reduced to
an acceptable level. The time required for this
depends on the operating conditions, i.e. every time
the operating conditions change, a new run-in period
will be started.
Under normal conditions, the leaking liquid will
evaporate. As a result, no leakage will be detected.
7. Adjustment
If the pressure settings are not suitable for the
application, adjust according to the following.
7.1 Calculating the cut-in and cut-out
pressures
The cut-in pressure is the sum of these variables:
• required minimum pressure at the highest
tapping point
• head
from the pump to the highest tapping point
• pressure loss in pipes.
Recommended cut-out pressure:
cut-in pressure + 0.8 - 1.5 bar.
7.2 Adjusting the precharge pressure
When the pump cut-in pressure has been
determined, the required precharge pressure of the
diaphragm tank can be calculated. The precharge
pressure must be adjusted to 90 % of the cut-in
pressure.
See the installation and operating instructions for the
diaphragm tank.
Warning
Check that the supply voltage and
frequency match the voltage and
frequency on the nameplate.
Warning
Before making any connections in the unit,
make sure that the power supply has been
switched off and that it cannot be
accidentally switched on.
The unit must be connected to an external
mains switch with a contact gap of at least
3 mm in all poles.
As a precaution, the unit must be
connected to a socket with earth
connection.
We recommend to fit the permanent
installation with an earth leakage circuit
breaker (ELCB) with a tripping current
< 30 mA.
Caution
Do not start the pump until it has been
filled with liquid.
Note
The default setting can be found in the
quick guide.
Note
The cut-out pressure must not exceed the
maximum discharge pressure of the pump.
Caution
When adjusting/reading the precharge
pressure, make sure that there is no water
pressure on the diaphragm tank from the
pipework.
Note
If the pressure switch setting is changed,
the precharge pressure must be adjusted
too.
Page 4
English (GB)
4
7.3 Setting the pressure switch
The cut-out pressure must be lower than the
maximum operating pressure of the pump and tank.
Remove the cover from the pressure switch to
access the adjusting screws. See fig. 1.
Fig. 1 Pressure switch
Setting the cut-out pressure
1. Turn screw (pos. A) clockwise to increase the
cut-out pressure. Turn it counter-clockwise to
reduce the cut-out pressure. The differential
pressure range remains unchanged.
2. Start the pump and check by reading the
pressure gauge whether the desired cut-out and
cut-in pressures have been obtained.
Setting the cut-in pressure
1. Turn screw (pos. B) clockwise to reduce the
cut-in pressure. Turn it counter-clockwise to
increase the cut-in pressure. The differential
pressure range is widened and narrowed
respectively.
2. Start the pump and check by reading the
pressure gauge whether the desired cut-out and
cut-in pressures have been obtained.
Repeat the procedure until the right cut-in and
cut-out pressures have been obtained.
8. Operation and maintenance
9. Frost protection
If there is a risk of frost, the tank and pump must be
drained.
10. Technical data
Ambient temperature
See nameplate.
Storage temperature
Minimum -10 °C.
Maximum +45 °C.
Liquid temperature
See nameplate.
System pressure
See nameplate.
Inlet pressure
At inlet pressures above 1.5 bar, the discharge
pressure must be at least 2.5 bar.
Supply voltage
See nameplate.
Insulation class
F.
Enclosure class
See nameplate.
Relative air humidity
Maximum 95 %.
Start/stop frequency
Maximum 100 per hour.
Warning
Switch off the power supply before
adjusting the pressure switch.
Fit the cover on the pressure switch before
you switch on the power supply to check
the cut-in and cut-out pressure.
TM01 6914 3799
Warning
Prior to start-up, the system should be
flushed through with clean water and
drained to remove possible impurities.
Caution
Do not cover the motor of the booster
system as an adequate supply of cool air
must reach the motor cooling fan.
Page 5
English (GB)
5
11. Fault finding
* Or contact the nearest Grundfos company or service workshop.
12. Disposal
This product or parts of it must be disposed of in an
environmentally sound way:
1. Use the public or private waste collection service.
2. If this is not possible, contact the nearest
Grundfos company or service workshop.
Subject to alterations.
Warning
Before starting fault finding, switch off the
power supply.
Make sure that the power supply cannot
be accidentally switched on.
Fault Cause Remedy
1. The pump does
not start.
a) The fuses in the electric
installation have burnt.
Replace the fuses. If the new fuses also burn,
check the electric installation.
b) The earth leakage circuit
breaker or the
voltage-operated circuit
breaker has tripped.
Cut in the circuit breaker and check the electric
installation.
2. There is power on
the pressure
switch but not the
pump.
a) The power supply to the pump
is disconnected after the
pressure switch unit.
Check the cable connections.
b) The pressure switch unit is
defective.
Repair or replace the pressure switch unit.*
3. The pump does
not start when
water is
consumed.
a) Too big difference in height
between the pressure switch
unit and the tapping point.
Adjust the cut-in pressure.
b) The pressure switch unit is
defective.
Repair or replace the pressure switch unit.*
4. Frequent starts/
stops.
a) Leakage in the pipework. Check and repair the pipework.
b) The pressure tank has no
precharge pressure, or the
tank size is insufficient.
Check the tank precharge pressure, and
recharge the tank, if necessary.
See section 7.2 Adjusting the precharge
pressure.
5. The pump does
not stop.
a) The pressure switch unit is
defective.
Repair or replace the pressure switch unit.*
6. The motor cuts
out during
operation.
a) Single-phase motors:
The thermal switch in the
motor has tripped due to
overheating.
The thermal switch will cut in automatically
when the motor has cooled sufficiently.
If the problem still persists, check these two
possible causes:
• Impeller stuck.
Clean the pump.
• Motor defective.
Repair or replace the motor.*
b) Three-phase motors:
Motor-protective circuit
breaker has tripped.
Cut in the motor-protective circuit breaker.
If the problem still persists, check these two
possible causes:
• Impeller stuck.
Clean the pump.
• Motor defective.
Repair or replace the motor.*
Page 6
Declaration of conformity
6
Declaration of conformity 1
GB: EC/EU declaration of conformity
We, Grundfos, declare under our sole responsibility that the products
CM Booster PS, CM Booster PT, to which the declaration below relates,
are in conformity with the Council Directives listed below on the
approximation of the laws of the EC/EU member states.
CN: 欧共体 / 欧盟符合性声明
我们，格兰富，在我们的全权责任下声明，产品 CM Booster PS, CM
Booster PT，即该合格证所指之产品，符合欧共体 / 欧盟使其成员国法律
趋于一致的以下理事会指令。
ID: Deklarasi kesesuaian Komunitas Eropa/Uni
Eropa
Kami, Grundfos, menyatakan dengan tanggung jawab kami sendiri
bahwa produk CM Booster PS, CM Booster PT, yang berkaitan dengan
pernyataan ini, sesuai dengan Petunjuk Dewan berikut ini serta sedapat
mungkin sesuai dengan hukum negara-negara anggota Komunitas
Eropa/Uni Eropa.
– Machinery Directive (2006/42/EC).
Standards used: EN 809:1998 + A1:2009
– Low Voltage Directive (2014/35/EU)
Standards used: EN 60335-1:2012 + A11:2014, EN
60335-2-51:2003 + A1:2008 + A2:2012.
– Ecodesign Directive (2009/125/EC).
Electric motors:
Commission Regulation No. 640/2009.
Applies only to three-phase Grundfos motors marked IE2 or IE3.
See motor nameplate.
Standard used: EN 60034-30:2009.
This EC declaration of conformity is only valid when published as part of
the Grundfos Installation And Operating instructions (publication
number 98175689 0516).
Bjerringbro, 18th May 2016
Svend Aage Kaae
Director
Grundfos Holding A/S
Poul Due Jensens Vej 7
8850 Bjerringbro, Denmark
Person authorised to compile technical file and
empowered to sign the EU declaration of conformity.
Page 7
7
Page 8
Grundfos companies
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.: +7 (375 17) 286 39 72/73
Факс: +7 (375 17) 286 39 71
E-mail: minsk@grundfos.com
Bosna 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: grundfos@bih.net.ba
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: bulgaria@grundfos.bg
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
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
Czech Republic
GRUNDFOS s.r.o.
Čajkovského 21
779 00 Olomouc
Phone: +420-585-716 111
Telefax: +420-585-716 299
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: info_GDK@grundfos.com
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
Telefax: +358-(0) 207 889 550
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: infoservice@grundfos.de
Service in Deutschland:
e-mail: kundendienst@grundfos.de
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.
Park 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.
Gotanda Metalion Bldg., 5F,
5-21-15, Higashi-gotanda
Shiagawa-ku, Tokyo
141-0022 Japan
Phone: +81 35 448 1391
Telefax: +81 35 448 9619
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
Page 9
Grundfos companies
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: info_gnl@grundfos.com
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
Bd. Biruintei, nr 103
Pantelimon county Ilfov
Phone: +40 21 200 4100
Telefax: +40 21 200 4101
E-mail: romania@grundfos.ro
Russia
ООО Грундфос Россия
109544, г. Москва, ул. Школьная,
39-41, стр. 1
Тел. (+7) 495 564-88-00 (495)
737-30-00
Факс (+7) 495 564 88 11
E-mail grundfos.moscow@grundfos.com
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: tehnika-si@grundfos.com
South Africa
GRUNDFOS (PTY) LTD
Corner Mountjoy and George Allen
Roads
Wilbart Ext. 2
Bedfordview 2008
Phone: (+27) 11 579 4800
Fax: (+27) 11 455 6066
E-mail: lsmart@grundfos.com
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: satis@grundfos.com
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: ukraine@grundfos.com
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
17100 West 118th Terrace
Olathe, Kansas 66061
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 25.01.2016
Page 10
www.grundfos.com
98175689 0516
ECM: 1185095
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