resideo Braukmann CBU145 User manual

Instructions
Braukmann
CBU145
Compact Booster Unit - double pump
To ensure the quality of potable water according to EN1717
32303722-001

EN
Resideo Technologies
2
Translation of original - EN1H-1375GE23 R1020
Contents
1. Safety Guidelines............................................................................ 3
1.1 Safety instructions in this manual ...................................................... 3
1.2 Safety instructions in the system ....................................................... 3
1.3 General safety instructions................................................................ 3
1.4 Further safety regulations.................................................................. 3
1.5 Unauthorised operation types............................................................ 3
1.6 Residual dangers in handling the compact booster unit...................... 3
1.6.1 Mechanical residual dangers.................................................... 3
1.6.2 Residual dangers pertaining to fluids........................................ 4
1.6.3 Residual electrical hazards ...................................................... 4
1.6.4 Thermal hazards...................................................................... 4
1.6.5 Residual biological hazards...................................................... 4
1.6.6 Residual chemical hazards ...................................................... 4
1.6.7 Consequences and dangers that result from not observing the
manual.................................................................................... 4
1.7 Basic Safety Measures ..................................................................... 5
1.7.1 Keep information available....................................................... 5
1.7.2 For environmental protection.................................................... 5
1.7.3 Modifications to the compact booster unit ................................. 5
1.8 Duty of due care of the operator ........................................................ 5
1.9 Safety instructions for the operator/operating personnel ..................... 5
1.10Safety instructions for maintenance, inspections andassembly work .. 5
1.11Requirements for operating personnel............................................... 5
1.11.1Operating personnel................................................................ 5
1.12Personal safety equipment................................................................ 5
2. General information........................................................................ 6
2.1 Conformity with the following norms .................................................. 6
2.1.1 Warranty and liability ............................................................... 6
2.1.2 Storage and perfect condition................................................... 6
2.1.3 Illustrations.............................................................................. 6
2.1.4 Symbols.................................................................................. 6
2.2 Other applicable documents.............................................................. 6
2.3 Glossary........................................................................................... 6
3. Description...................................................................................... 7
3.1 Intended use..................................................................................... 7
3.2 Non-intended use ............................................................................. 7
3.3 Version............................................................................................. 7
3.3.1 Structure ................................................................................. 7
3.4 Function ........................................................................................... 8
3.4.1 Installation type ....................................................................... 8
3.4.2 Inlet side ................................................................................. 8
3.4.3 Outlet side............................................................................... 8
3.4.4 Switch cabinet ......................................................................... 8
3.5 Mode of operation............................................................................. 9
3.5.1 Mode of automatic operation.................................................... 9
3.5.2 Mode of manual operation ....................................................... 9
3.5.3 Mode of operation for testing.................................................... 9
3.5.4 Mode of operation for protection against dry running................. 9
3.5.5 Mode of operation for temperature monitoring........................... 9
3.5.6 Mode of operation for refilling................................................... 9
3.5.7 Mode of operation for flushing.................................................. 9
3.5.8 Mode of operation for separation of potable water..................... 9
3.5.9 Mode of operation in the event of power loss ............................ 9
3.6 Options............................................................................................. 9
4. Technical data................................................................................10
4.1 Construction dimensions..................................................................11
4.2 Noise expectancy values..................................................................11
4.3 Authorised environmental conditions ................................................11
5. Shipping.........................................................................................12
5.1 Check condition upon delivery..........................................................12
5.2 Transportation .................................................................................12
6.
Assembly.......................................................................................12
6.1 General safety instructions...............................................................12
6.2 Installation according toDIN 14462 ..................................................12
6.3 Installation according toDIN 1988....................................................12
6.4 Inspection before assembly..............................................................13
6.4.1 Installation site .......................................................................13
6.5 Installing the compact booster unit....................................................13
6.6 Installing the pipelines......................................................................13
6.6.1 Connecting the overflow .........................................................13
6.6.2 Installing the compensator (optional).......................................13
6.7 Buffer tank.......................................................................................13
6.8 Protection against dry running..........................................................13
6.9 Installing valves...............................................................................13
6.10Electrical connection........................................................................13
6.10.1Safety instructions..................................................................14
6.10.2Connection specifications.......................................................14
6.10.3Connecting electrical accessories...........................................14
6.10.4Connecting the limit switch .....................................................14
6.10.5Potential-free contacts............................................................14
6.11Standby indicator.............................................................................15
7. Start-up..........................................................................................15
7.1 Safety instructions for start-up..........................................................15
7.2 Start-up requirements ......................................................................15
7.3 Initial operation................................................................................15
7.3.1 Settings .................................................................................16
7.4 Switching the system on ..................................................................16
7.5 Start-up checklist.............................................................................16
8. Maintenance ..................................................................................17
8.1 Safety instructions for maintenance..................................................17
8.2 Inspection .......................................................................................17
8.2.1 Buffer tank .............................................................................17
8.2.2 Monitoring Operation..............................................................18
8.2.3 Mode of operation in the event ofpower loss...........................18
8.2.4 Checklist for Inspection...........................................................18
8.3 Maintenance ...................................................................................19
8.3.1 Setting the precharge pressure for the membrane pressure
vessel....................................................................................19
8.3.2 Cleaning the dirt trap ..............................................................19
8.3.3 Checklist for maintenance work...............................................19
9. Troubleshooting............................................................................19
9.1 Possible malfunctions / Errors..........................................................19
9.2 Possible causes / Elimination...........................................................20
10. Shut-down, restart.........................................................................21
10.1Shutting down the compact booster unit ...........................................21
10.2Restarting the compact booster unit .................................................21
11. Storage ..........................................................................................21
11.1Short-term storage...........................................................................21
11.2Storage/Preservation.......................................................................21
11.3Storage conditions
...........................................................................21
12. Disassembly, disposal ..................................................................21
12.1Safety instructions for disassembly...................................................21
13. Spare parts ....................................................................................22
13.1Parts index CBU145........................................................................22
14. Start-up protocol ...........................................................................23
15. Declaration of no objection ...........................................................24
16. Proof of Maintenance ....................................................................25

EN
EN1H-1375GE23 R1020 - Translation of original
3
Resideo Technologies
1. Safety Guidelines
1.1 Safety instructions in this manual
Danger
Places with this sign signify that death, severebodily injury orsignificant
property damage will occur if the appropriate precautionary measures
are not followed!
Warning
Places with this sign signify that death, severebodily injury orsignificant
property damage may occur if the appropriate precautionary measures
are not followed!
Caution
Places with this sign signify that small bodily injury or slight property da-
mage may occur if the appropriate precautionary measures are not fol-
lowed!
Places with this sign provide technical information and tips on usage
that damage to the machine must be avoided.This symbol is not a safe-
ty indication.
Places with this sign provide information about possible hazards to the
environment
Please notice that a safety symbol never can replace the text of the
safety instruction itself - the text of the safety instruction must be read
entirely!
1.2 Safety instructions in the system
Danger of burning on hot surfaces of pump housing
1.3 General safety instructions
This manual contains basic instructions which are to be observed in trans-
port, assembly, start-up, operation, maintenance, shut-down, storage and
waste disposal.
The following safety instructions have to be observed while operating the
compact booster unit:
•When using the compact booster unit, the data, operation and usage
conditions specifically authorised in the technical data sheet and the
operating manual have to be observed.
•Never exceed the permissible limits pertaining to pressure, temperature,
etc. as stated in the documentation.
•Observe all safety instructions as well as the operating instructions of the
manual.
•Instructions that are directly attached to the system have to be observed
and must be kept completely legible. This applies for exampleto:
-Safety instructions
-Arrow for rotation direction
-Connection labels
-Type label
•Before assembly and start-up, the manual has to be read by the operator
as well as by the responsible technical/operating personnel and has to be
stored at the site of the compact booster unit at alltimes.
•Installation and maintenance work may only be performed by authorised
specialist personnel with the appropriate tools.
•The technical condition of the compact booster unit has to be checked
regularly (at least once a year) by the operating company.
•The local safety and accident regulations have to be observed when
operating the compact booster unit.
•The general technical rules must be observed when planning the usage
and operating the device.
•Modification of the compact booster unit is not permitted and leads to the
loss of warranty.
•Afteran interruption of the electrical or fluid supply, a defined or controlled
re-run of the process must be ensured.
•The operator is responsible for complying with local regulations that are
not covered by the manual.
1.4 Further safety regulations
Besides the safety instructions presented in this manual and its intended
use, the following safety regulations are valid:
•Accident prevention regulations, safety and operating regulations
•Safety regulations for handling hazardous substances
•Applicable standards and laws
1.5 Unauthorised operation types
The limits that are stated in the documentation have to always be complied
with. The delivered system is only guaranteed to operate reliably when it is
used as intended.
1.6 Residual dangers in handling the compact booster unit
Danger and adverse effects may result from use of the compact booster unit
•for the body and life of the operator or third person
•for the compact booster unit itself
•to other property.
The basis for safe and error-free operation of the compact booster unit is
knowledge of the instructions for safety and operation in this manual.
1.6.1 Mechanical residual dangers
During normal operation, no danger is threatened from mechanical compon-
ents.

EN
Resideo Technologies
4
Translation of original - EN1H-1375GE23 R1020
1.6.2 Residual dangers pertaining to fluids
During normal operation, no danger is threatened by hydraulic components.
Hazards might result solely under the following conditions.
Danger area
Type of hazard
Reduction of hazard
Pipelines
Injury through high pressure
Clear pipelines of pressure and medium prior to assem-
bly, maintenance, shut-down!
1.6.3 Residual electrical hazards
During normal operation, no danger results from the electrical equipment of the compact booster unit.
Hazards might result solely under the following conditions.
Danger area
Type of hazard
Reduction of hazard
Injury from cables
Danger to life !
Electric shock of 230/400V from electric voltage
Connect up protective earth system!
Always switch off power supply and secure against swit-
ching on again during maintenance and servicing work!
Comply with the valid accident prevention and safety re-
gulations for electrical devices!
Electrostatically endangered
components / subassemblies
The device contains electronic componental elements that react
sensitively to electrostatic discharge (ESD). Contact with electro-
statically charged persons or objects endangers these compo-
nental elements. Worst case scenario: they will be immediately
destroyed or fail after start-up.
Comply with requirements according to EN 100 015 - 1,
in order to minimise or avoid damage through shock-
type
electrostatic discharge!
Do not touch electronic componental elements when the
power supply is on!
1.6.4 Thermal hazards
Danger area
Type of hazard
Reduction of hazard
Hot surfaces of the pump housing
Contact can cause burning
Wear personal safety equipment!
1.6.5 Residual biological hazards
During normal operation, no biological danger results from the compact booster unit.
Hazards might result solely under the following conditions.
Danger area
Type of hazard
Reduction of hazard
Buffer tank
Danger of microbial contamination
Set the automatic rinsing device according to local condi-
tions!
Clean the buffer tank regularly!
Inlet lines from the potable water
network
Danger of contamination caused by stagnant water
Make sure the inlet lines from the potable water network
are equipped with a rinsing device!
1.6.6 Residual chemical hazards
During normal operation, no chemical danger results from the compact booster unit.
Hazards might result solely under the following conditions.
Danger area
Type of hazard
Reduction of hazard
Use of detergents
Danger through contact with or breathing in dangerous fluids, ga-
ses, fumes, vapours or dust
Wear personal safety equipment!
Pay attention to the safety specifications sheet of deter-
gent manufacturers!
1.6.7 Consequences and dangers that result from not observing themanual
•Not observing this manual will lead to loss of the warranty and make damage claims invalid.
•Failure to observe the manual can lead, for example, to the following dangers:
-Hazard to persons caused by electrical, thermal, mechanical, and chemical influences
-Loss of important product functions
-Failure to perform required maintenance and service measures
-Environmental hazard caused by leakage of hazardous substances

EN
EN1H-1375GE23 R1020 - Translation of original
5
Resideo Technologies
1.7 Basic Safety Measures
1.7.1 Keep information available
This manual has to be stored. It has to be ensured that all persons who
operate the compact booster unit have access to the manual at all times.
1.7.2 For environmental protection
When operating or servicing the compact booster unit, the regulations
concerning waste avoidance and the proper recycling or disposal of wa-
ste must be observed.
Particular attention must be paid that materials and agents dangerous
to the groundwater such as fats, oils, coolants, solvent-based liquid de-
tergents, etc. do not pollute the ground or access the sewage system.
These materials must be caught in suitable tanks, stored, transported
and properly disposed of.
1.7.3 Modifications to the compact booster unit
When using externally procured parts, there is no guarantee that these are
designed and constructed to tolerate demands made upon them or whether
they comply with safety regulations.
For safety reasons, no unauthorised modifications may be made to the
compact booster unit.
Parts and special equipment not delivered by Resideo are also not autho-
rised by Resideo for use.
1.8 Duty of due care of the operator
This compact booster unit was designed and constructed according to a risk
assessment and after careful selection of the harmonised standards that
apply, as well as according to further technical specifications. It thus
complies with best practice and guarantees the highest safety standard.
This level of safety can only be attained during operational practice if all
required safety measures have been taken. It is the duty of care of the
operator of the compact booster unit to plan these measures and enforce
their implementation.
In particular, the operator must ensure that
•the compact booster unit is only operated as intended
•the compact booster unit is only operated in perfect workingcondition.
•the required personal safety gear for operating, maintenance and repair
personnel is available and is used
•the manual has to be kept legible at all times and stored on-site with the
compact booster unit.
•the compact booster unit is assembled, commissioned, operated, main-
tained, and shut down solely by sufficiently qualified and authorised
personnel.
•this personnel is regularly instructed on all relevant questions of work
safety and environmental protection, and has also read and understood
the manual and particularly the safety instructions itcontains.
•none of the safety and warning signs attached to the compact booster unit
are removed and all remain legible.
•a hazard assessment (according to the Safety at Work Act § 5) is
conducted to detect further hazards that may arise from the particular
working conditions on-site where the compact booster unit is operated.
•all further information and safety instructions which arise from the hazard
assessment process shall be summarised in operating instructions
(according to the work equipment regulation § 6).
•measures for the decontamination of systems that pump hazardous
medium are stated in the operating manual
•the drain output lines are sufficiently dimensioned
1.9 Safety instructions for the operator/operating personnel
•Provide on-site protection against contact for hot,cold, and moving parts
and check if they function properly.
•Do not remove the protection against contact during operation of the
pump.
•Eliminate hazards caused by electrical energy (for details refer to the
country specific regulations and/or local power supplycompanies).
1.10 Safety instructions for maintenance, inspections and
assembly work
•Alterations or modifications of the system are only permitted with the
consent of the manufacturer.
•Use only original parts or parts authorised by the manufacturer.
•Use of parts other than those authorised may lead to loss of liability for
any damage they may cause.
•Perform service on the system only when the machine is off.
•The pump housing has to be at ambient temperature.
•The pump housing has to be depressurised and empty.
•The procedures described in the manual for shutting down the system
have to be observed under all circumstances.
•Decontaminate systems that pump hazardous medium.
•Reinstall safety equipment and protective devices and activate them
again immediately after work on the system has been completed. Before
starting up again, observe the start-up checklist.
•Keep unauthorised persons (e.g. children) away from the system.
1.11 Requirements for operating personnel
1.11.1 Operating personnel
This compact booster system may only be asembled, started, operated,
maintained, and shut down by persons who have been trained, instructed
and authorised to do so.
In some cases, training can be arranged by the manufacturer if asked by the
operator.
Training or personnel to operate system may only be conducted under the
supervision of specialised technicians.
The relevant authorisations of the personnel are to be specified by the
operating company in the form of an operating instruction.
Over and above this, special qualifications are required for the following
tasks:
•Only electricians may perform work on electrical equipment.
•Assembly, maintenance, servicing and repair work may only be
performed by qualified, specialist personnel
The basic regulations on work safety and accident prevention are to be
observed.
1.11.1.1 Qualified personnel
Qualified personnel are persons who on account of their training, experience
and instruction also their knowledge of the relevant norms, regulations, acci-
dent prevention regulations and operating conditions, including those
persons responsible for the safety of the system, have been authorised to
perform the relevant and required tasks, meanwhile being able to recognise
and avoid dangers. This includes required knowledge of First Aid measures
and the local ambulance services and facilities.
1.12 Personal safety equipment
No personal safety equipment is required to operate the compact booster
unit.

EN
Resideo Technologies
6
Translation of original - EN1H-1375GE23 R1020
2. General information
The manual is a part of the series and the versions as mentioned on the title
page. The manual describes the safe and proper use in all modes of opera-
tion.
The type label indicates the series and size, the most important operating
data and the order number. The factory number/serial number describes the
identifies the system uniquely and serves this purpose for all further busi-
ness transactions.
In order to maintain the warranty, in the event of damage immediately
contact the nearest Resideo service centre.
2.1 Conformity with the following norms
Pump unit: Machinery Directive 2006/42/EG
Pump unit: EMC Directive 2004/108/EG
2.1.1 Warranty and liability
As a matter of principle, the general sales and delivery terms of the Honey-
well Company apply. Warranty and liability claims for injury to persons and
damage to property are ruled out if they arise from one or more of the follo-
wing causes.
•Non-intended use of the compact booster unit
•Improper assembly, start-up, operation and maintenance of the compact
booster unit
•Failure to comply with the instructions in the manual concerning transport,
storage, assembly, start-up, operation, maintenance, and service of the
compact booster unit
•Unauthorised constructional modifications of the compact boosterunit
•Negligent monitoring of components subject to stress
•Improperly performed repairs
•Catastrophes through effect of a foreign object or force majeure
2.1.2 Storage and perfect condition
This instruction manual is a part of the compact booster unit and has to be
complete and accessible at all times. Any instruction or page that is missing
has to be replaced immediately.
2.1.3 Illustrations
The illustrations used are examples of one possible version of the compact
booster unit and might differ in individual cases from the actual compact
booster unit version.
2.1.4 Symbols
1. Start of a task description
2. Next work step
- Result of an action
•List of several options
 Reference to other documents
2.2 Other applicable documents
 Data sheet CBU145
 Operating instructions of the operating company
 Data sheets
 Documentation fortheswitch cabinet/circuit diagram
 Wiringschemefor the external remote on/off control
 Instructions for the pump
 Instructions for the pressure switch
 Instructions for the throttle valve
 Instructions for the membrane pressure vessel
 Instructions for the check valves
 Instructions for magnetic valves
 Declaration of Conformity
2.3 Glossary
Pump requirements
Pump actuation means that a pump starts up when a start signal is sent by a
pressure switch, from a wall hydrant (limit switch), by remote on/off, or from
the wire breakage and short circuit monitoring relays.
Automatic operating mode
The pump is switched on and off either by pressure control or by a contact
on the wall hydrant.
EN 1717
European standard that specifies technical regulations for potable water
installations.
DIN 14462
German standard that pertains to extinguishing water equipment and with
which fire extinguisher systems have to comply.
Membrane pressure vessel
The membrane pressure vessel is for compensating pressure drops in the
pipeline network behind the compact booster unit, that can occur because of
loss of minimal quantities.
That minimises the frequency of operation of the compact booster.
Noise expectancy values
The expected noise emission, stated here as sound pressure level (SPL) in
dB(A).
Manual operation
During manual operation, the compact booster unit is connected directly to
the mains and independent of the control unit.
Certificate of no objection
A certificate of no objection is a declaration that the system has been
cleaned properly so that parts that have been in contact with medium are not
dangerous for health and environment.

Danger source
 Consequence of non-compliance

Avoidance
Pictogram Danger classification

EN
EN1H-1375GE23 R1020 - Translation of original
7
Resideo Technologies
3. Description
Resideo Compact Booster Unit - double pump CBU145 as a safety device to
separate potable water from category 5 fluids according to DIN EN 1717 for
fire extinguisher applications according to DIN 14462 and DIN1988-600 with
free outlet type AB and vertical high-pressure pumps.
Fully automatic, fully wired Compact Booster Unit-double pump with modular
design comprising a double pump system with redundant operation and a
buffer tank for the hygienic separation of potable water and category 5 fluids
according to DIN EN 1717, on a common base frame. The modular design
makes it possible to disconnect modules for installation in buildings with
limited space. The system is switched on and off regulated bypressure.
Separation of systems as a means to protect potable water from being
contaminated by fluids of the category 5 according to EN 1717
Pump medium Non-potable water
Without aggressive, abrasive and solid
components
Flow rate max. 48 m3/h (13,3 l/s)
Pumping head up to 125 m
Medium temperature up to 30 °C
Ambient temperature up to 40 °C
Pressure rating PN16
Inlet pressure
3.3 Version
The Compact Buster Unit comprises the following modules, that can be
disassembled (for example for transport purposes).
•The double pump booster unit has two pumps, a control unit, valves and
connected piping. The pressure switch and temperature sensor are
installed, wired and preset with standard default values in thefactory.
•Buffer tank with inlet and flushing apparatus as well as level, overflow and
dry running monitor. The components are assembled and preset in the
factory. The electrical components are connected to the control unit of the
booster station with plug connections. Thus if required an electric separa-
tion can be made.
•A common base frame for the double pump booster unit and the supply
container that allows tranportation with a standard pallet hand forklift.The
pumps and base frame are equipped with vibration dampers.
3.3.1 Structure
Double pump system with redundant operation, including back-up pump
unit, made up of:
•two normal sucking, vertical high-pressure rotary pumps with all compon-
ents in contact with the medium made of stainless steel
•Standard-motor each pump, energy efficiency class IE2
•Check valves for each pump
•Shut-off valves on the inlet and outlet sides of each pump
•Diaphragm expansion vessel on the outlet side as vessel
•Vibration damper for each pump
up to 18 m3/h
up to 36 m3/h
up to 48 m3/h
min. 1,5 bar, max. 8 bar
min. 3 bar, max. 8 bar
min. 4 bar, max. 8 bar
•Pressure gauge display
•Isolation valves, lockable
•Pump protection through temperature related minimum flow
Supply voltage 2 x 3/N/PE, AC 400 V, 50 Hz
3.1 Intended use
The compact booster unit may only be operated in such areas as described
in the other applicable documents.
Non-intended operation of the compact booster unit can result in danger to
persons, systems, the surroundings and the environment.
•Operate the compact booster unit only if it is in perfect working condition.
•Do not operate the compact booster unit if it is only partially assembled.
•The compact booster unit may only be used to pump the medium as
described in the documentation of the respective version.
•Never operate the compact booster unit without pump medium.
•Observe the values for minimum pumping rates (avoiding damage
because of overheating, storage damage, ...).
•Observe the values for maximum pumping rates (to avoid damage due to
overheating, floating ring seal damage, cavitation damage, storage
damage, ...).
•Do not throttle the input of the compact booster unit (to avoid cavitation
damage).
•Other modes of operations, if not mentioned in the documentation, have
to be coordinated with the manufacturer.
3.2 Non-intended use
The compact booster unit is not designed for operation outside. Tempera-
ture, light and moisture can lead to malfunctions and damaging devices.
•Do not operate the compact booster unit outside.
•Operate the compact booster unit only as intended.
•Do not fill aggressive or flammable medium into the medium lines of the
system.
•No mechanical stress on housings (e.g. by depositing objects or as a
step).
•Do not perform any external modifications on the device housing. Do not
paint housing parts and screws!
•Do not disassemble the compact booster unit more than is necessary for
purposes of installation and maintenance.
•Piping made of chrom-nickel-steel alloy
•The system is connected to the installation pipeline with circularflanges
•Base frame made of coated steel
Two complete, electrically independant electrical
switching apparatus each with an electro-mechanical control unit
comprising:
•Power supply via 3/N/PE, 400V AC, 50Hz
•Main switch that is protected against unauthorised operation
•Control transformer 400V / 230V- 24V
•Green indicator light for standby
•Red indicator light for water shortage
•Yellow indicator light for malfunction
•White indicator light for operation on demand
•Manual/automatic switch
•Timer for 24 hour functional operation and weekly flushing cycle
•Remote on/off, protected against wire breakage and short circuit
•Phase monitor relays with rotation monitoring and phase failure protection
•Smooth operated start-up
•Motor protection device, in case of failure only indicates an alarm
•Terminal strip with markings for all connections
•Plug connectors for easy connection of electrical equipment on the buffer
tank
Terminal strip for potential-free contact for time-delayed potable water
separation (adjustable)
•Control voltage 230V, AC 6A
Buffer tank made of polyethylene with:
•Non-circular, free overflow according to EN 13077, Type AB
•Drainage connection DN 100 (nozzles) with integrated siphon trap
•Usable volume 540 litres
•Refilling of potable water via float valve
•Automatic flushing device via solenoid valve
•Sensors for monitoring of dry running and overflow

EN
Resideo Technologies
8
Translation of original - EN1H-1375GE23 R1020
3.4 Function
The system comprises two multi-speed high-pressure rotary pumps with
inlet and outlet shut-off valves. They can be locked with padlocks against
unauthorised closing. They make it possible to disassemble the pumps or
the check valves without having to empty the pipeline system. The check
valve on the pumping side prevents liquid from backing up on the pump and
flowing backwards through it, and it relieves the floating ringseal.
The fully automatic Compact Booster Unit with compact design comprising:
•vertical high-pressure pumps
•electro-mechanical control unit to ensure the required supply pressure is
provided for the consumers
•buffer tank with automatic refilling
construction and operation is according to DIN 1988, DIN 14462, EN 1717
and EN 13077.
3.4.3 Outlet side
On the outlet side there is a diaphragm expansion vessel as well as two
pressure switches and a pressure guage.
Figure 1:
1 Inlet
CBU145 Structure
2 Buffer tank
3.4.4 Switch cabinet
The switch cabinet is connected to the pump base frame and completely
wired with the Compact Booster Unit. Power supply for water level measure-
ment and solenoid valve is made possible via a plug connection to the
switch cabinet.
3.4.4.1 Automation
•Electro-mechanical control unit
•Timer for 24 hour functional operation and weekly flushingcycle
•Manual/automatic switch
•Phase monitor relays with rotation monitoring and phase failure protection
•Protection against dry running and Motor protection switching, only as a
message during automatic operating mode
•Terminal strip/clamps with labels for all connections
•Easy starter
•Remote on/off, protected against wire breakage and shortcircuit
3 Display 4 Switch cabinet
5 Pump 6 Base frame
7 Temperature monitor 8 Outlet shut-off valve
9 Bypass
3.4.1 Installation type
•Fixed installation
3.4.2 Inlet side
On the inlet side there is a buffer tank with a float valve to refill water. Addi-
tionally the Compact Booster Unit has a solenoid valve for hygienic flushing
of the inlet pipe. In the buffer tank there are two float switches with which the
water level is measured and in the case of water shortage and overflow
messages are sent.
Figure 2: CBU145 Inlet side
3.4.4.2 Messages given out by indicator lights
•Red: Water shortage
•Yellow: Malfunction
•Green: Normal operation
•White: Operation triggered by remote on/off
Figure 4: CBU145 Indicator lights
1 Water shortage 2 Malfunction
3 normal operation 4 Operation triggered by remote
on/off
3.4.4.3 Messages sent via potential-free terminal clamps to, for
example, the central building control system
•Water shortage
•Switch to position manual/automatic
•Buffer tank overflow
•Remote actuation via remote on/off
•Collective error message
•Separation of potable water
1Diaphragm expansion vessel
2Pressure switch
3Pressure gauge
1
Figure
3: CBU145 Outlet side
3 2 1 4
8 6 5 7
1 1 Buffer tank
2Float switch
3Overflow
4Siphon trap
3
4

EN
EN1H-1375GE23 R1020 - Translation of original
9
Resideo Technologies
3.5 Mode of operation
3.5.1 Mode of automatic operation
The system is switched on and off by a pressure regulated electro-mecha-
nical control unit. If the preset pressure pE is not reached, the pump is acti-
vated via the pressure switch. If water consumption decreases, the pump
shuts off after a preset follow-up time (up to 10 minutes).
The system can be controlled by remote on/off independently of the pres-
sure switch (for example by switches in wall hydrants for fire extinguisher
systems). Pressure switch and remote on/off inputs are monitored for wire
breakage and short circuits. If wire breakage or a short circuit is detected,
the system is automatically turned on and the yellow indicator light signals a
malfunction.
In automatic mode, all systemsafety equipment (dry running protection,
motor protection) are disabled because pumping has the priority during
a fire. The motor is still monitored, but once the motor protection switch
has been activated, the motor remains unmonitored in the network and
an error message is displayed.
The required amount of water is fed into the system via the inlet valve. For
this purpose, the float valve on the potable water inlet opens and closes fully
automatically.
3.5.2 Mode of manual operation
Manual operation is also possible in addition to automatic mode as an
exception.
3.5.6 Mode of operation for refilling
Refilling is done automatically via a float valve. Water shortage and overflow
are indicated as an error by the switch cabinet.
Refilling has to be done with 25 m3/h (for design flow
18 m3/h) and with 50 m3/h (for design flow 36 m3/h and
48 m3/h) and system pressures of 1.5 bar (at 18 m3/h), 3.0 bar (at
36 m3/h) and 4.0 bar ( at 48 m3/h) and a maximum of 8 bar.
The flow rate has to be set by a throttle valve on the system. If refilling
works properly, the tank is filled up to just below the overflow hole in the
middle after the refilling valve is closed. The overflow with integrated si-
phon trap is designed corresponding to the refilling. The system opera-
tor is responsible for ensuring the drain outlet lines are sufficiently
dimensioned.
According to DIN 1988-600, the maximum flow rate in a single inlet line
to the extinguishing water transfer point may not exceed a calculated
flow rate of 5 m/s.
3.5.7 Mode of operation for flushing
Flushing of the potable water pipeline connected upstream can be activated
by setting the digital timer in the switching cabinet via the solenoid valve.
The flushing water is discharged though the integrated overflow. The flus-
hing time is estimated with respect to the required flushing volume (refer to
the following figure). For larger flushing volumes (more than 200 l), it can be
increased by 7 l (25 m3/h) and 14 l (50 m3/h) with each further second.
A manual/automatic switch for the pump is on the switch cabinet. In the posi-
tion Manual the pump is connected to the network, independent of the auto-
matic mode (pressure switch or remote on/off).
Manual operation is only for emergency!
Continuous operation of the system in manual mode can lead to exces-
sive water and energy consumption due to the bypass line.
To keep the pump and the pump medium from overheating during manaul
operation in the case of zero delivery, a minimum amount has to be pumped.
If not, the magnetic valve in the bypass is opened when the pump mantle
reaches a programmable temperature, in order to ensure that a minimum
amount of medium is pumped.
220
200
180
160
140
120
100
80
60
40
20
0
50 m3
25 m3
8 9 10 11 12 13 14 15 16 17 18 19 20
Rinsing time [s]
3.5.3 Mode of operation for testing
There is a digital timer in the switch cabinet with which testing is parame-
trised. In testing mode, the pump is connected to the network, independent
of the automatic mode (pressure switch or remote on/off).
3.5.4 Mode of operation for protection against dry running
Protection against dry running is active in the manual and testing modes, as
long as the pressure does not fall below the switch-on pressure pE or the
system is actuated by remote on/off, because the situation is interpreted as
a case of fire that has to be extinguished and for which the system safety
equipment has to be disabled. The connection for the dry running protection
is a digital input. If it is open, the control unit registers dry running and shuts
the system off after approx. 10s (default setting).
3.5.5 Mode of operation for temperature monitoring
There is a temperature monitor on the pump mantle that opens the magnetic
valve on in the bypass, if a programmable temperature is registered (default
90 °C) to protect the pump against overheating when operated without a
minimum amount discharge. Temperature monitoring is activated in the
automatic and manual modes.
Figure 5: Determining the flushing time
3.5.8 Mode of operation for separation of potable water
The Compact Booster Unit can be supplied with water exclusively by
sending a potential free message "potable water separation" to close the
supply of potable water to other consumers at a branch upstream from the
system. The message is sent with a time delay (default 30 s) when actuated
by pressure switch of remote on/off.
3.5.9 Mode of operation in the event of power loss
In the event that the mains power supply of the entire system fails standby is
no longer functional.
3.6 Options
CBU145-50A-...
refer to technical data for type selection
CBU145-65A-...
refer to technical data for type selection
CBU145-80B-...
refer to technical data for type selection
Rinsing volume [l]
Pump
Minimum amount discharged per pump for manual
operation [l/h]
Movitec 15
2400
Movitec 25
2800
Movitec 40
4000

EN
Resideo Technologies
10
Translation of original - EN1H-1375GE23 R1020
4. Technical data
Type
Volumetric flow rate Q design
max. pump head*
Connection
Switch-on pressure p
E
and maximum pressure increase ⊗p
up to switch-off pressure pA
Nominal performance
Nominal current
3~400 V
18 m3/h (5,0 l/s) 36 m3/h (10,0 l/s)
[m3/h] [m] Inlet Pump pE[bar]
⊗p
[bar] pA[bar] pE[bar]
⊗p
[bar] pA[bar]
P
2
[kW] [A]
CBU145-50A-042
18
42
G2
DN50
4,2
1,3
5,5
-
-
-
4
7,29
CBU145-50A-052
18
52
G2
DN50
5,2
1,7
6,9
-
-
-
5,5
10,07
CBU145-50A-063
18
63
G2
DN50
6,3
2,1
8,4
-
-
-
5,5
10,07
CBU145-50A-074
18
74
G2
DN50
7,4
2,4
9,8
-
-
-
7,5
13,6
CBU145-50A-085
18
85
G2
DN50
8,5
2,7
11,2
-
-
-
7,5
13,6
CBU145-50A-095
18
95
G2
DN50
9,5
3,2
12,7
-
-
-
11
19,47
CBU145-50A-105
18
105
G2
DN50
10,5
3,6
14,1
-
-
-
11
19,47
CBU145-65A-128
18
125
G2
DN65
12,5
1,5
14
-
-
-
15
26,7
CBU145-80B-052
36
51
G2 1/2
DN80
-
-
-
5,1
1
6,1
11
19,47
CBU145-80B-063
36
62
G2 1/2
DN80
-
-
-
6,2
1,1
7,3
11
19,47
CBU145-80B-073
36
72
G2 1/2
DN80
-
-
-
7,2
1,3
8,5
15
26,35
CBU145-80B-084
36
82
G2 1/2
DN80
-
-
-
8,2
1,5
9,7
15
26,35
CBU145-80B-094
36
92
G2 1/2
DN80
-
-
-
9,2
1,8
11
18,5
32,1
CBU145-80B-104
36
102
G2 1/2
DN80
-
-
-
10,2
1,9
12,1
18,5
32,1
CBU145-80B-114
36
112
G2 1/2
DN80
-
-
-
11,2
2,2
13,4
18,5
32,1
CBU145-80B-125
36
122
G2 1/2
DN80
-
-
-
12,2
2,3
14,5
22
38,1