Booster Pump System EBARA UD3 Series

Booster pump System brand EBARA model UD3 Series or a set of water pressure control pumps. With a good quality water pump High quality that works with automation. The water pump will work automatically when the pressure in the pipe system drops. Mostly used in high rise apartment condominium buildings. Including in large hotels, etc.

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Booster Pump System EBARA UD3 Series
CONSTANT SPEED PRESSURE BOOSTER UNIT MODEL : UD3

APPLICATIONS

1.Domestic : High-rise buildings, Condominiums, Apartments etc.
2.Commercial : Office buildings, Hotels, Shopping centers etc.
3.Industrial : Factory utility, Manufacturing & processing industries applications etc.
4.Social service : Schools, 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 prevents frequent start and stop of pumps, requires only small hydro-pneumatic 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.
5. Various options are available on request.

บูสเตอร์ปั๊ม Booster Pump System EBARA

Booster Pump System EBARA UD3 Series

บูสเตอร์ปั๊ม Booster Pump System EBARA

CONTROL SYSTEM

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
When water pressure decreases, first pump starts at pressure point 1 and water is supplied from pump.
Step 3
When more water is required and water pressure decreases to lower point 1 again, second pump also starts, operation point shifts to point and system shifts to parallel operation.
Step 4
When second pump starts, the timer starts to count. After that when water consumption decreases, the water pressure increases to point 3, and 60 seconds pass after second pump starts. First pump is stopped and operation point shifts to point . 4
Step 5
When water consumption further decreases, and the flow switch detects small flow rate. Second pump stops (point 5). Flow switch detecting point is at small capacity point, therefore pump continuous operation range is much wider, accordingly pump start frequency is greatly decreased.

SPECIFICATION

Model EBARA UD3-S UD3-D UD3-T
Pump operation No. 1 2 3
Pump model CDX,2CDX & 3M CMA,CDX, 2CDX & 3M CMA, CDX, 2CDX & 3M
Handled liquid property Fresh water,0-60 degree C (Except CMA1.00 : 0-40 degree C)
Installation Outdoor design
Operation system Pump speed Constant
Control Pressure switch & flow switch* Pressure sensor & flow switch* Pressure switch & flow switch*
Power source AC, Three phase, 50Hz, 380V
Max. working pressure 6 to 10 bar G (6.1 to 10.2 kg/cm² G) ; Refer to model
Allowable suction pressure Min. : -0.3 bar G (-0.3 kg/cm² G), Max. : Refer to model
Control panel Starting method DOL (Up to 5.5kW) or Star-Delta (7.5 to 11 kW)
Construction Weather & dust proof type
Operation key Push button & selector switch type Push button & slide switch type Push button & selector switch type
Pressur tank Construction Air pre-charged diaphragm type
Capacity 24 liters (Standard)
Quantity Refer to model
Accessories Control panel & support, Flow switch* , Pressure gauge*¹
Common base, Pressure tank, Piping & valver, Electrcal wiring

OPTION

Pump model Other models upon request
Pressure tank Large capacity upon request
Others On request
Note) * In case of pump model CDX90/10 & CMA1.00 flow switch is not provided.
*1 In UD3-S, UD3-T, pressure gauge is provided
chart

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