DAYLIFF DBE Instrucciones de instalación
DBE
Horizontal Multistage Pumps
Installation &
Operating Manual
DBE 5-40 DBE 12-40
SPECIFICATIONS
1.
1
2.
SYMBOLS & WARNINGS 3
INSTALLATION PRECAUTIONS
3.
4
OPERATION & MAINTENANCE
5.
13
TROUBLE SHOOTING
6.
15
INDEX
© Davis & Shirtliff Ltd 2022
Contents herein are not warranted
TERMS OF WARRANTY
7.
18
INSTALLATION & CONNECTION
4.
7
4.1 Pump Location 7
4.2 Pipe Installation 8
4.3 Pump Installation 8
4.4 Electrical Connections 9
1
1. PUMP SPECIFICATIONS
Congratulations on selecting a Dayliff DBE Pumps. They are
manufactured to the highest standards and if installed and
operated correctly will give many years of efcient and trouble
free service. Careful reading of this Installation Manual is
therefore important, though should there be any queries they
should be referred to the equipment supplier.
DBE 5-40 DBE 12-40
3
FLOW RATE (m /hr)
3
FLOW RATE (m /hr)
100%
264
8
4
0010 14 18
10
20
90
40
30
60
50
70
80
PUMP HEAD (m)
10
20
70
40
30
60
50
90%
80%
60%
70%
50%
40%
30%
13 5 7 9
100%
90%
80%
60%
70%
50%
40%
30%
2 6 8 12 16
DBE 12-40
PUMP HEAD (m)
DBE 5-40
2
PUMP
The Dayliff DBE Booster is a compact water boosting unit for water supply in domestic
and commercial applications for single and two booster pump systems. The pump is
fitted with an integral variable speed controller that maintains pump output at
constant pressure (adjustable up to 5bar) with varying demand. The pump is compact
for simple installation, quiet with low operating noise level and of robust design for
long life. The speed controller maintains pump performance at maximum efficiency
thereby minimizing operating costs.
Particular features include:
• Booster output is adapted to demand by changing speed and number of
pumps in operation.
• Automatic pump alternation in multi-pump setup to ensure uniform operating
periods.
All hydraulic parts are made from AISI304 stainless steel, and the pump unit is
supplied with a 5-way connector, non-return valve and integrated pressure sensor.
For optimal operation, appropriately sized pressure tanks are required with 3L being
the minimum recommended size.
MOTOR
The pump is fitted with high efficiency IE4 Permanent Magnet variable speed motor
that incorporates thermal protection against motor overload and dry run protection
with auto-restart. The motor can be directly connected to the mains power supply
through appropriately sized FUSE or MCB.
Enclosure Class: IP44 Insulation Class: F Voltage: 1x240V
Speed: 4200rpm(DBE5-40),
4400rpm(DBE12-40)
OPERATING CONDITIONS
Pumped Liquids: Thin, clean non-aggressive and non-explosive liquids without
solid particles or fibres
0
Liquid Temperature: 0 - 70 C
0
Max. Ambient Temperature: +40 C
Max. Suction Lift: 1m
Max. Suction Lift: According to NPSH curve plus a safety margin of 1
0
Max. Operating Pressure: 10 Bar up to 40 C
0
6 Bar up to 90 C
Water Inlet Pressure: More than 1.2 Bar less than 3.5 Bar
3
PUMP DATA
Model
Dimensions (mm)
H1
Weight
(kg)
W
Current
(A)
Motor
HP
kW
3 16 2832914135059523422
2.2
28.9 1022811227730319911¼
1.1
DBE 12-40
DBE 5-40
A1
(”) A2
(”) L H2 H3
LW
H2
H3
H1
L
H1
H2
H3
DBE 5-40 DBE 12-40
W
2. SYMBOLS & WARNINGS
WARNING
Reliable ground connection is necessary before
operating
WARNING
Do not touch the pump when its is energized
WARNING
In order to prevent electric shock, ensure the power
switch is ‘OFF’ or remove the plug before maintenance
and cleaning
WARNING
When operating the pump, do not remove or open the
safety protection device
WARNING
In order to avoid overloading the pump should be
operated within the scope of prescribed conditions
WARNING
Do not run the pump without water inside pump, else
damage of pump mechanical seal and sliding bearing
will occur
3. INSTALLATION PRECAUTIONS
Power Requirements
Power supply voltage: should be within 220V-240V. When the voltage is too low,
the pressure will be reduced.
Electrical Connection
Before installation and use, check whether the
pump is damaged during transport and
storage,
Check that the insulation resistance is greater
than 50MΩ.
The pump should be properly installed
complete with leakage protection device. The
power outlet which connects to the plug should
be reliably grounded.
4
WARNING
The water pump should not be installed in ooded
conditions. When installed outdoors, ensure to protect
against sun and rain.
Pump Installation Environment Requirements
If the power cord is extended, it should be appropriately sized as per table in
this manual to minimise voltage drop
The pump should be installed in a convenient area so as to allow for maintenance
and inspection of the pump. The place should be kept dry and well ventilated.
Ambient temperature allowable is -15°C to + 40°C. When temperature is below
0
4 C, the water pump and the pipeline in the water will form ice causing the pump
body and pipe to rupture.
5
It is important to install a drainage line so as to drain the water caused by the
leakage.
Piping Requirements
The piping size should match pump inlet and outlet and shall not be less than the
outlet piping diameter.
Select the pipes matching with
the pump inlet & outlet and the
i n l e t d i a m e t e r s h a l l n o t
less than the outlet diameter
! For first time use, fill priming port with water in order to bleed air
Before running the pump, empty air and ll
water inside the pump body, tighten the
deated bolt
Setting the Requirements
The pressure setting should not be less than the pressure of the outlet piping itself.
The starting pressure value is set to about 80% of the constant pressure value.
WARNING
During transport and installation of the pump, avoid
carrying the pump using the power cord, else electric
shock due to power cord damage may occur.
6
WARNING
When the pump is in operation and needs to be moved,
turn off the power rst to avoid electric shock.
Plug reliable
ground connection
is necessary
7
4. INSTALLATION & CONNECTION
Before installing the water pump, check that the model and spare parts of the water
pump are consistent with the purchase order
4.1 Pump Location
Install the pump in a well ventilated position with suitable cover to avoid exposure
to direct sunlight or rain.
The pump should be installed in a convenient place for ease of service. When
pump installed in a narrow place, refer to below figure for the reference spacing
25mm 25mm
8
4.2 Pipe Installation
It is recommended to install isolation valves on both sides of the pump, so that the
system will not be drained during pump maintenance. If the pump is installed
above the water level, a foot valve must be installed on the suction pipe under the
liquid level. The correct pipe size should be selected according to the inlet pressure
of the pump.
Indirectly-pressurized supply of tap water Water supply to water tank on
roof and downward pressurization
of water supply
4.3 Pump Installation
! Pump should be installed in well ventilated cool place and away from direct
sunlight for effective air flow around the cooling fan of the motor, ensure the
pump is atleast 150mm away from obstacles.
! In order to minimize the inlet friction loss, the inlet pipe should be as short as
possible.
! Before pump installation check that pipe system has check valve fixed to
prevent water backflow.
! Pump should be installed on a rigid and level ground.
! Before pump installation, inlet pipes should be clean, and if need be a screen
filter may be installed infront of the inlet 0.5 ~ 1 m.
! When installing the inlet pipe, ensure that air is not trapped inside.
! When pump is installed above water level (within allowable suction head), the
suction pipe should be fitted with a foot valve to maintain prime.
WARNING
Do not put the weight of the piping on the pump, else
deformation will occur. When installing the inlet pipe,
prevent air from being drawn in.
Este manual sirve para los siguientes modelos
2
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