Tsurumi PU Submersible Vortex Sewage Pump - Manual (Page 7)

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CAUTION • Do not use the pump for pumping liquids other than water, such as oil, salt
water (TM Series excepted), or organic solvents.
• Use with a power supply voltage variation within ±10% of the rated voltage.
• The water temperature for operating the pump should be between 0 ~ 40°C.
Failure to observe the precautions given above could cause the pump to
malfunction, which may lead to current leakage or electrical shock.
Maximum Allowable Pressure
CAUTION Do not operate the pump in an area that is exposed to a water pressure that
exceeds the values given below.
Preparation for Installation
Single-phase power supply:
Use a megger to measure the resistance between
the tip of the cabtyre cable plug and the ground
terminal to verify the insulation resistance of the
motor.
Measure twice the resistance between each of the
two tips of the plug and ground.
(This drawing shows a 2-pin plug type.)
Insulation resistance reference value
= 20M Ω minimum
Note:
The insulation resistance reference value of 20M Ω minimum is based on a new or repaired
pump. For reference values of a pump that has already been put into operation, refer to "7.
Maintenance and Inspection" of this manual.
Note:
To use the pump for a special solution, contact the dealer where it was purchased, or the
Tsurumi sales office in your area.
Models with output of 0.75kW or under 0.2MPa (2kgf/cm 2 ) — discharge pressure during use
Models with output of 1.5kW 0.3MPa (3kgf/cm 2 ) — discharge pressure during use
Applicable Pump Maximum Allowable Pressure
U-Red(Brown) G-Green(Green/Yellow)
W-Black(Black) V-White(Grey)
MΩ
U V W G
Single-Phase
Three-Phase
MΩ
Three-phase power supply:
Use a megger to measure the resistance between
each core of the cabtyre cable and the (green)
ground wire to verify the insulation resistance of
the motor.
CAUTION Beware that the power plug
varies by country or region.
4 INSTALLATION