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EBARA Submersible Sewage Pumps

DLFU/DLFMU

Instruction Manual

EBARA International Corporation
Standard Pump Division

14

(t) 803  327  5005  •  (f) 803  327  5097  •  

[email protected]

rev. 02/02

Maintenance and Service

6. Disassembly and Assembly:

Please contact the following for assistance:

Ebara International Corporation
Customer Service Manager
1651 Cedar Line Drive
Rock Hill, South Carolina 29730

Thermal Protection

The motor shall be equipped with a protector such as automatic cut-off device and thermal protector. The motors described
below shall incorporate Miniature Thermal Protectors (MTP) which are embedded in the windings.

When temperature of the winding raises and reaches the MTP acting point, the motor protection circuit is activated to protect
motor from over heat.

1. Applicable model

Model: DGFU, DLFU, DVFU, DDLFU

2. MTP Specifications:

Model

KLIXON 9700K-66-215

Type of Contact

b (Normal-contact Acting-open)

Acting Temperature

140±5°C (284±9°F)

Re-setting Temperature

85±10°C (185±18°F)

Capacity of Contact

3. Installation:

MTP shall be embedded in the stator windings as
shown at right –

4. Construction:

Construction of the MTP is as shown below:

CAUTION

All service should be done by factory trained or qualified personnel only.
Be sure to cut off power source before beginning disassembly.

Voltage (V)

Amperage (A)

DC 24

18

AC 115

18

AC 230

13

AC 460

5.5

Содержание DLFMU

Страница 1: ...M o d e l D L F U D L F M U I n s t r u c t i o n M a n u a l CALL 1 800 577 8111 FOR SALES AND SUPPORT CALL 1 800 577 8111 FOR SALES AND SUPPORT...

Страница 2: ...RNATIONAL CORPORATION Specifications Check the nameplate for your pump s head HEAD discharge volume CAPACITY speed SPEED motor voltage and current Other specifications are noted in the chart below EBA...

Страница 3: ...eck that the impeller turns smoothly by hand 2 Precautions when operation is suspended 1 If operation is to be suspended for 30 days with the pump immersed in water measure the insulation resistance o...

Страница 4: ...backflow will result when the pump is shut down 8 Non automatic pumps model DLFU DLMFU do not have an automatic operating system based on built in floats Do not operate the pump for a long time with...

Страница 5: ...ectrical work should be performed by a qualified electrician and all national and local electrical codes must be observed G GRN L1 RED T1 T7 L2 WHT T2 T8 L3 BLK T3 T9 T4 T5 T6 T10 T11 T12 P1 RED P2 WH...

Страница 6: ...or at the lowest water level the thermal protector will be activated Constant repetition of this action will shorten pump service life Do not start the pump again in such a situation until after the m...

Страница 7: ...ment The service life of the mechanical seal can be prolonged by replacing the oil in the mechanical seal chamber once a year When replacing the oil lay the pump on its side with filler plug on top as...

Страница 8: ...ir suction 6 Raise water level or lower pump 7 Leaking from discharge piping 7 Inspect repair 8 Clogging of discharge piping 8 Remove foreign matter 9 Foreign Matter in suction inlet 9 Remove foreign...

Страница 9: ...8 Class 30 A48 Class 30 A48 Class 30 AISI420 A283 Grade D AISI304 AISI304 AISI304 AISI304 AISI304 AISI304 AISI304 AISI304 NO FOR 1 UNIT 1 1 1 1 1 1 1 SET 1 1 1 2 1 4 8 4 4 3 4 2 1 PART NO 174 193 1 19...

Страница 10: ...ESS 304 STAINLESS 304 STAINLESS 304 STAINLESS 304 STAINLESS 304 STAINLESS ASTM AISI CODE A48 Class 30 A48 Class 30 A48 Class 30 A48 Class 30 AISI420 AISI304 AISI304 AISI304 AISI304 AISI304 AISI304 AIS...

Страница 11: ...SS 304 STAINLESS 304 STAINLESS 304 STAINLESS 304 STAINLESS 304 STAINLESS 304 STAINLESS ASTM AISI CODE A48 Class 30 A48 Class 30 A48 Class 30 A48 Class 30 AISI420 AISI304 AISI304 AISI304 AISI304 AISI30...

Страница 12: ...BBER NBR RUBBER NBR RUBBER NBR RUBBER NBR RUBBER NBR RUBBER NBR 304 STAINLESS 304 STAINLESS 304 STAINLESS 304 STAINLESS 304 STAINLESS 304 STAINLESS 304 STAINLESS 304 STAINLESS ASTM AISI CODE A48 Class...

Страница 13: ...BR RUBBER NBR RUBBER NBR RUBBER NBR RUBBER NBR RUBBER NBR RUBBER NBR 304 STAINLESS 304 STAINLESS 304 STAINLESS 304 STAINLESS 304 STAINLESS 304 STAINLESS 304 STAINLESS 304 STAINLESS 304 STAINLESS ASTM...

Страница 14: ...rotectors MTP which are embedded in the windings When temperature of the winding raises and reaches the MTP acting point the motor protection circuit is activated to protect motor from over heat 1 App...

Страница 15: ...ctuates a dry reed switch encapsulated within a stem The switch opens on rise of liquid 2 Specifications Apply to 2 to 10HP Breaking Capacity AC50VA DC50W Max Breaking Current AC0 5A DC0 5A Max Operat...

Страница 16: ...nsportation shall be borne by the Purchaser No allowance will be made for repairs without EIC s written consent or approval and the Warranty Period shall not be suspended upon stopping operation for w...

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