Thermal Protection - EBARA DLFU Instruction Manual

EBARA Submersible Sewage Pumps
Instruction Manual
Maintenance and Service
6. Disassembly and Assembly:
All service should be done by factory trained or qualified personnel only.
Be sure to cut off power source before beginning disassembly.
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
Type of Contact
Acting Temperature
Re-setting Temperature
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:
EBARA International Corporation
Standard Pump Division
(t) 803 327 5005 • (f) 803 327 5097 •
CAUTION
KLIXON 9700K-66-215
b (Normal-contact Acting-open)
140±5°C (284±9°F)
85±10°C (185±18°F)
Voltage (V)
Amperage (A)
info@pumpsebara.com
DLFU/DLFMU
DC 24 AC 115 AC 230
18 18 13
AC 460
5.5
14
rev. 02/02