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EBARA PRESSURE BOOSTER UNIT U N Type

 

 

EBARA PRESSURE BOOSTER UNIT U N Type

 

FEATURES

1. Featuring of variable speed control by inverter

Ebara-Booster-UN-FSAVariable speed drives are used since they can adjust the
motor’s power to fit specific needs, resulting in reduced
energy consumption and in increased savings.

2. Constant estimated terminal pressure control

The controller provides CETP (Constant estimated
Terminal Pressure) control that adjusts pump discharge
pressure in relation to pressure loss caused by pipe
resistance according to water flow. Thus, it can hold
down electric power consumption compared to constant
discharge pressure control with variable speed operation

 

3. Stable water supply

Pumps are in parallel operation for high demand and In
the event of pump/inverter fault, the controller
automatically activates another pump to assure water
supply without stopping system operation.

 

4. Compact layout

Ebara-Booster-UN2SLayout is very compact. All components are integrated on a
rugged steel base. It is ready for use by only connecting
with supply piping and to the power source. It occupies
lesser space and requires easier installation than
conventional units.


5. Extend the life of pump

Pumps are operation in automatic alternate parallel to
extend the life of the pumps.


6. Simple and compact inner control panel

Simple wiring by using RS485 digital communication can
reduce control panel dimension to be a compact design.

 

Selection Chart Model UN2M/S – CDX, 2CDX and 3S Pump

Curves_Ebara_booster_UNP

 

 

 

 

 

 

APPLICATION

1. Domestic : High-rise buildings, Condominiums, Apartments etc.
2. Commercial : Office buildings, Hotel, Shopping centres etc.
3. Industrial : High-rise factory, Manufacturing & processing industries applications etc.
4. Social service : School, Hospitals etc.

 

More Information – Ebara-Booster UNP

 

EBARA            GRUNDFOS             KSB            WILO           TSURUMI

 

EBARA-UD-Pressure Booster Unit

 

APPLICATION

1. Domestic : High-rise buildings, Condominiums, Apartments etc.
2. Commercial : Office buildings, Hotel, Shopping centres etc.
3. Industrial : High-rise factory, Manufacturing & processing industries applications etc.
4. Social service : School, Hospitals etc.

 

FEATURES

1. All components are integrated on a rugged steel base. It is ready for use by only connecting with
supply piping and to the power source.
2. Layout is very compact and much lighter than conventional units. It occupies lesser space and requires
easier installation than conventional units.
3. The flow control system which prevent frequent start and stop of pumps, requires small hydropneumatic
pressure tank and ensures constant fresh water supply
4. Pumps are in parallel operation for high demand and alternating in low demand, suitable for energy
saving

Booster Ebara FSA

CONTROL SYSTEM

Step 1) both pumps are stopped when water tank is fully charged. In
this condition water is supplied from the pressure tank and
water pressure in tank gradually decreases.
Step 2) No. 1 pump start at pressure P1 (point 1) and water supplied
from pump and pressure tank.
Step 3) When more water is required and water pressure decreases to
P2 (point 2), no. 2 pump also starts, operation point shifts to
point 3 and system shifts to parallel operation.
Step 4) When water consumption decreases, water pressure in tank
increase and when pressure reaches P3 (point 4) no. 2 pump
is stopped and operation point shifts to point 5.
Step 5) when water consumption further decreases, water pressure in
tank increases and pressure switch is turned off and the flow
switch used to detect small flow is turned off. When both
pressure and flow switch are off, no. 1 pump stops (point 6).
Flow switch setting point is at small capacity point; therefore
pump continuous operation range is much wider. Accordingly
pump start frequency is greatly decreased

 

GENERAL SPECIFICATION

Ebara-UDP-FSA Bosster UnitDescription Standard Optional


Liquid handled property Fresh water, 0 – 40 0C
Installation Indoor Outdoor
Operation system
Pump speed Constant
Control Control with pressure switch & flow switch
Mode Parallel or alternate running
Power source AC, 3 phase, 50Hz, 380V AC,1 phase, 50Hz, 220V
(refer to model)
Max. working pressure 6 – 10 kg/cm2
Allowable suction head Min.: -0.3 kg/cm2, Max.: Refer to model
Pump model CDX, 2CDX, 3S and FSA
Control panel
Starting method DOL (Up to 5.5 kW) or Star-Delta (5.5 to 15 kW)
Construction Dust proof type
Operation key Touch panel key type
Pressure tank
Construction Air pre-charged diaphragm type
Capacity 18 to 60 litre

 

 

EBARA              GRUNDFOS              KSB             WILO           TSURUMI