Accessories - Grundfos

Accessories
BMB
CU 3 Motor protection
The CU 3 control unit is an electronic motor starter for
monitoring and protecting installations with rated voltages
of 200 - 575 V, 50/60 Hz, and a maximum power
consumption of 400 A.
The CU 3 monitors the following parameters:
R100
CU 3
System insulation resistance to earth before start.
Motor temperature.
Motor current consumption and current unbalance.
Voltage supply.
Phase sequence.
The CU 3 protects against:
GR0244 - GR1911
Dry running (not for certain MS 402 motors).
Incipient motor defect.
Excessive motor temperature (not for certain MS 402
motors).
Motor burnout.
CU 3
192.5 mm
54.5 mm
As standard, the CU 3 incorporates:
• Time relay for star-delta starting and autotransformer
starting.
• Relay output for external fault indication.
In addition CU 3 can be expanded to offer the following
functions:
• Remote control R100: Wireless infra-red remote control
by means of the R100. This function enables the
user to change factory settings and to monitor the
installation by calling up actual operating data, e.g.
current consumption, supply voltage and operating
hours.
200 mm
SM100
192.5 mm
54.5 mm
TM00 7308 1102
• External sensors SM100: Reception of data from external
sensors by means of an SM100 sensor module
and control according to the data received, e.g. flow
rate, pressure, water level and conductivity.
• Communication module: Monitoring and communication
via a data BUS (GENIbus), a modem or radio,
e.g. PC-based control/monitoring.
Technical data
00 mm
TM01 4020 1102
Enclosure class: IP 20.
Ambient temp.: –20°C to +60°C (–4°F to +140°F).
Relative humidity: 99%.
Single-turn transformers, 100-400 A.
No monitoring of motor temperature.
Voltage variation:
–25/+15% of nominal voltage.
100 mm
Frequency:
45 Hz to 65 Hz.
Max. back-up fuse: 10 A.
106 mm
Relay output: Max. 415 V, 3 A, AC 1.
Approvals:
The CU 3 complies with: VDE,
DEMKO, EN, UL and CSA.
Marking:
CE.
89 mm
50 mm
330 mm
Signal converter, 1-12 A/20-120 A, with
monitoring of motor temperature.
50 mm
TM00 7866 1096
41

Accessories
BMB
Product numbers
Product
number
CU 3 - 3 x 400 V
Current range for signal converter [A]
1-12 10-120 100-400
62500293 z
62500294 z
62500295 z
CU 3 - 3 x 460 V
62500247 z
62500248 z
62500249 z
CU 3 - 3 x 575 V
62500253 z
62500254 z
62500255 z
Product
Single-turn transformers
CU 3 expansion possibilities
Range
Product
number
Sensor module SM 100 3 x 400 [V] 00626191
3 x 460 [V] 00626192
Communication module RS 485 - 00626159
DIN-Rail mounting 00626156
Remote control R100
HP printer for R100
Signal converter
-
-
00625333
00620480
1 - 12 [A] 00620497
10 - 120 [A] 00620498
100 - 400 [A] 00626148
Control functions
This table describes the protection provided by CU 3.
Control parameters Function Problem Advantages
Ground failure
Temperature
Overvoltage/
undervoltage
Overload
Dry running
Current unbalance
Phase sequence
Insulation resistance is measured only when the motor is not
operating. A high-impedance voltage is applied to the motor
leads and leakage to ground is measured.
If the factory-set value is higher than the one measured, the
motor cannot be started.
Damaged or decomposed insulation
in
• motor,
• cable or cable joint.
• Overload,
MS 4000 and MS 6000.
• frequent starts/stops,
The actual motor temperature is measured by means of the
built-in Tempcon temperature transmitter and a signal is sent
• operation against blocked
to CU 3 via the phase leads. CU 3 compared the measured temperature
discharge pipe,
with the factory-set value.
• insufficient flow velocity past
the motor.
If the factory-set values are exceeded, a fault indication is
given. If the CU 3 receives a temperature signal, the voltage is
no longer monitored, but the motor will continue to run.
Therefore, the motor and consequently the pump operation
will only be affected by voltage variations critical to the life of
the motor.
If there is no temperature signal, the motor will be stopped in
case of overvoltage/undervoltage.
The motor power input is measured on each of the three
phases. The registered power input is an average of these
three values.
If the factory-set value is exceeded, the motor will stop.
The motor power input is measured on each of the three
phases. The registered power input is an average of these
three values.
If the average value is lower than the factory-set value, the
motor will stop.
The motor power input is measured on each of the three
phases.
CU 3 and motor are installed so that the phase sequence corresponds
to correct direction of rotation.
CU 3 monitors changes in the phase sequences.
• The installation is close to a
transformer,
• the mains do not absorb load
variations.
• Incorrect dimensioning of
pump/motor,
• voltage supply failure,
• defective cable,
• blocking,
• wear or corrosion.
Pump exposed to dry running or
underload, for example caused by
wear.
• Mains load is uneven,
• incipient motor defect,
• phase voltages diverging.
Two phases are wrongly connected.
• Possibility of indication
of failure/of motor,
cable and cable joint,
• service indication.
• Longer motor life,
• safe operating
conditions,
• service indication.
• Important installation
parameter,
• possibility of improving
operating conditions.
• Longer motor life,
• safe operating
conditions,
• service indication.
• Traditional dry-running
protection is no longer
necessary,
• no extra cables.
• Motor protection
against overload,
• service indication.
Ensures correct pump
performance.
42

Accessories
BMB
MTP 75 Motor protection
Long motor life
The MTP 75 protects against excessive motor temperature.
This is the most simple and the most economical
way of ensuring long motor life. The user is certain that
operating conditions are observed and is given indication
of the time when a service check should be made.
Excessive motor temperature may be caused by:
• Overload
• Frequent starting/stopping (hunting)
• Operation against closed valve/frozen discharge pipe
• Insufficient flow of liquid past the motor
• Pumping of water that is too hot
• Deposits on the motor
• Overvoltage
• Undervoltage
• Current unbalance
• Dry running (Note that the pump is not protected if
the water level is below the pump inlet.
Application and installation
The MTP 75 can be used only for motors with built-in
temperature transmitter and should be installed for
instance in a control cabinet. The MTP 75 may be
installed in any type of control cabinet containing a
thermal relay with differential release and contactor.
The thermal relay is necessary to protect against
blocking or phase failure, since this will cause the
temperature to rise much faster than the MTP 75 is able
to register.
The MTP 75 is supplied with base for mounting on DIN
rail.
Operation
The temperature transmitter will send a high-frequency
signal indicating the motor temperature through the motor
supply cable. The MTP 75 will stop the motor via the
contactor if the temperature rises above 75°C (167°F). The
temperature limit is factory-set and cannot be changed.
Display:
No light: Motor stopped. No supply voltage or electrical
fault at temperature measuring.
Green light: Motor in operation and motor temperature
OK, i.e. below 75°C (167°F).
Red light: Motor stopped and motor temperature too
high, i.e. above 75°C (167°F).
The MTP 75 is reset manually by pressing the reset
button on the front cover or by switching off the voltage
supply to the MTP 75.
No unnecessary downtime
Since the MTP 75 measures only the temperature and no
other parameters causing a temperature rise, the motor
and thus the pump will stop only when the motor
temperature is too high.
Reliability
The MTP 75 is reliable due to its simple construction and
because it requires no extra cables in the piping.
Technical data of MTP 75
Supply voltage:
Control voltage:
Enclosure class: IP 20.
Operating conditions:
Storage:
2 variants:
1 x 200-240 V ±10%, 50/60 Hz.
3 x 380-415 V ±10%, 50/60 Hz.
A transformer is required for
voltages over 415 V.
Contact load:
Maximum 415 V/3 A.
Minimum 12 V/20 mA.
Min. temperature: –20°C (–4°F).
Max. temperature:
+60°C (+140°F).
Relative humidity: 99%.
Min. temperature: –20°C (–4°F).
Max. temperature:
+60°C (+140°F)
Relative humidity: 99%.
Approvals:
Complying with the regulations
of VDE and DEMKO.
Product numbers
MTP 75 without plug-in base, capacitor and signal transformer:
Voltage range [V]
GR 1915
Product number
1 x 200-240 00625178
3 x 380-415 00625179
MTP 75 complete with plug-in base, capacitor and signal
transformer:
Voltage range [V]
78 mm
35 mm
104 mm
Product number
1 x 200-240 00625804
3 x 380-415 00625805
TM00 7874 1102
43

e i us DI Se ce
o t
Ma n
e wo k
C n ec on
o 2
S
Accessories
BMB
G100 - Gateway for communication
with Grundfos products
The G100 offers a wide selection of options for integration
of Grundfos products provided with GENIbus interface
into main control and monitoring systems.
The G100 enables a pump installation to meet future
demands for optimum pump operation in terms of reliability,
operating costs, centralization and automation.
GR5940
Central management system
Radio
Radio
Modem
SMS
PLC
Direct
Interbus-S
Profibus-DP
4 digital inputs
Main network
RS-232
Service
port for pc
Heating
UPE TPE UPS
Water treatment
Industry
CU
E-
300 CU 3 CU 3 CU 3 CU 3 pump DME
BMQE-
NE
BMB
BM BMET CRN
Water supply
GENIbus
Multi-E
Control
2000
MGE
E-
pump CU 3
Wastewater
MG
Hydro
2000
SM100 CU 3 CU 3 CU 3 CU 3
CR NK SP-G SP
CU 300
SQE
Multi-E
SM
SM
CU 3
100 100
Sensors
Sensors
AP
Sensors
TM01 1804 1102
44

S
S
Accessories
BMB
Product description
The G100 Gateway enables communication of operating
data, such as measured values, setpoints, etc., between
Grundfos products with GENIbus interface and a main
network for control and monitoring.
As indicated in the illustration on page 44, the G100 is
suitable for use in applications such as water supply,
water treatment, wastewater, building automation and
industry.
Common to above applications is that downtime is
usually costly, and extra investments are therefore often
made to achieve maximum reliability by monitoring
selected operating variables.
The day-to-day operation, such as starting and stopping
of pumps, changing of setpoints, etc., can also be
effected from the main system by communication with
the G100. In addition, the G100 can be set up to send
event-controlled status indications such as alarms via
the SMS to mobile phones, and to make automatic alarm
call-backs to a central management system.
Data logging
Besides the possibility of data communication, the G100
also offers logging of up to 350,000 time-stamped data.
Subsequently, the logged data can be transmitted to the
main system or a PC for further analysis in a spreadsheet
or similar program.
For the data logging, the "PC Tool G100 Data Log" software
tool is used. The tool is part of the PC Tool G100
package, which must be ordered separately.
Other features
• Four digital inputs.
• Stop of all pumps in case of failing communication
with the management system (optional).
• Access code for modem communication (optional).
• Alarm log.
Installation
Installation of the G100 is effected by the system integrator.
The G100 is connected to the GENIbus as well as
to the main network. Subsequently, all units on the
GENIbus can be controlled from a central management
system on the main network.
The "G100 Support Files" CD-ROM supplied with the
G100 contains examples of programs to be used when
the G100 is connected to the various main network
systems. Included is also a description of the data points
available in Grundfos products with GENIbus interface.
The "PC Tool G100" software tool can be used for the
G100 installation and use. To be ordered separately.
227 mm
Technical data
Overview of protocols
Main system
INTERBUS-S
PROFIBUS-DP
Radio
Modem
PLC
GSM mobile phone
Other possible connections
GENIbus RS-485:
Service port
RS-232:
Digital inputs: 4.
Connection of up to 32 units.
For direct connection to a PC
or via radio modem.
Voltage supply: 1 x 110-240 V, 50/60 Hz
Ambient temperature: In operation:
–20°C to +60°C (–4°F to +140°F)
Enclosure class: IP 20
Weight:
1.8 kg. (4.0 lbs)
Accessories
• PC Tool G100 package (to be ordered separately)
• G100 Support Files CD-ROM (supplied with product)
Product numbers
73 mm 165 mm
*Floppy disk with G100 Support Files included.
Software protocol
PCP
DP
Satt Control COMLI/Modbus
Satt Control COMLI/Modbus
Satt Control COMLI/Modbus
SMS, UCP
Product
Product
number
G100 with Interbus-S expansion board* 96411134
G100 with Profibus-DP expansion board* 96411135
G100 with Radio/Modem/PLC-expansion board* 96411136
G100 Basic Version* 96411137
PC Tool G100 package 96415783
TM01 0621 1102
45

Accessories
BMB 4”
BMB 4"
Photo of parts Description Specification Part no.
TM00 3702 0894
Victaulic coupling liner for welding
ø42 x 30 mm
N-version 00100517
R-version 00100971
TM00 3703 0894
Victaulic coupling liner with external
thread
R 1¼ x 100 mm/BSPT
N-version 00100534
R-version 00100965
TM00 3705 0894
Victaulic style 77 coupling
ø42 mm x 1¼"
NBR seal
FKM seal
00ID6786
00ID6742
NBR seal N-version 00105563
TM00 3707 0894
Connecting kit for welding, straight
NBR seal R-version 00105982
FKM seal N-version 00105565
FKM seal R-version 00105981
TM00 3711 0894
180° bend for welding,
ø42mm/1¼"
Center distance: 165 mm/6.5 inch
Total height: 127 mm/5.0 inch
R-version 00 15 59 26
NBR seal N-version 00105564
TM00 3708 0894
Connecting kit R 1¼"
NBR seal R-version 00105980
FKM seal N-version 00105566
FKM seal R-version 00105979
TM01 9906 3400
Terminal box kit complete, 4" motor with:
• 1 box including all necessary fittings for mounting on the booster
module.
• 1 mounting bracket
• L x W x H = 80 mm x 75 mm x 60 mm
96446948
TM01 9907 3400
Bracket, 4" 96449565
46

Accessories
BMB 6"
BMB 6"
Photo of parts Description Specification Part no.
TM00 3709
Victaulic coupling liner for welding
ø89 x 50 mm
3" x 2"
N-version 00150574
R-version 00140968
TM00 3711 0894
180° bend for welding,
ø89 mm/3"
Center distance: 300 mm/11.8 inch
Total height = 210 mm/8.3 inch
N-version 00155544
R-version 00155971
TM00 3712 0894
Victaulic style 77 coupling
ø89 mm x 3"
NBR seal
00ID7664
TM00 3714 0894
Connecting kit for welding, straight
NBR seal, N-version 00155542
NBR seal, R-version 00155973
TM00 3715 0894
Connecting kit, 180°
NBR seal, N-version 00155543
NBR seal, R-version 00155972
Terminal box kit complete, 6" motor with:
• 1 box including all necessary fittings for mounting on the
booster module
• L x W x H = 120 mm x 120 mm x 90 mm
TM02 4209 0202
96476716
TM01 9907 3400
Bracket, 6" 96439184
47

Accessories
BMB 8"
BMB 8"
Photo of parts Description Specification Part no.
TM00 3712 0894
Victaulic style 77 coupling
3": ø89 mm
4": ø114 mm
5": ø139 mm
6": ø168 mm
NBR seal 3"
00ID7664
NBR seal 4" 96415463
NBR seal 5" 96416739
NBR seal 6"
00ID2279
N-version 3" 00150574
TM00 3709
Victaulic coupling liner for welding
Terminal box kit complete, 8" motor with:
• 1 box including all necessary fittings for mounting on the
booster module
• L x W x H = 200 mm x 200 mm x 120 mm
N-version 4" 96416743
N-version 5" 96416744
N-version 6" 96416745
96446950
TM02 4208 0202
TM01 9907 3400
Bracket, 8" 96416762
48