Nippon Oil Pump NOP E Series ES, User Instruction Manual

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15
W W W Warranty arranty arranty arranty
・
NOP coolant unit is warranted to be free from defects in workmanship and
materials for one year one year one year one year from the date we ship to from the date we ship to from the date we ship to from the date we ship to customer’s designated location, customer’s designated location, customer’s designated location, customer’s designated location,
or 5000 hours of
or 5000 hours of or 5000 hours of
or 5000 hours of operation, whichever occurs first
operation, whichever occurs first operation, whichever occurs first
operation, whichever occurs first.
・
The warranty will not cover failures or damages caused by not following the
guidelines stated in this manual, improper use, lack of appropriate maintenance,
natural disaster, accidents or act of God.
・
Any disassembly, alteration made to a product by the customer will void the
warranty.
・
The warranty will only apply to the products you purchased and not apply to
indirect or
consequential loss or damage resulting from the use of this product.
For
For For
For SSSSelecting a
electing a electing a
electing a PPPPump
ump ump
ump
●●●●Operating Operating Operating Operating M M M Method ethod ethod ethod
・The pump is most suitable for intermittent operation. Please check operating method.
Continuous operation is also permitted.
●●●●Required Required Required Required FFFFlow low low low R R R Rate ate ate ate
・Select a pump by referring to the catalog, drawings, or other materials.
・Note that discharge rate is subject to the pump type, temperature, and pressure
of the fluid.
・Select a pump with an adequate margin of outlet pressure and flow rate.
●●●●Required
Required Required Required PPPPressure ressure ressure ressure
・Select a pump by referring to the catalog, drawings and other material.
Note: The pump must be run within the maximum pump operating pressure and the motor
output rating.
●●●●Relief Relief Relief Relief VVVValve alve alve alve PPPPressure ressure ressure ressure SSSSetting. etting. etting. etting.
・The relief valve is preset at the cracking pressure.
Note: The relief valve setting must be within the maximum pump operating pressure and
the motor output rating.
Note: The “cracking pressure” is the pressure at which relief valve starts to open with the
pressure building up inside the circuit and allow certain amount of coolant to flow.
Caution Do not run the pump over the maximum pressure setting.
Caution Do not remove the return pipe, or it may cause foam and
abnormal sounds.
●●●●Selecting Selecting Selecting Selecting C C C Coolant oolant oolant oolant TTTType ype ype ype and and and and VVVViscosity iscosity iscosity iscosity R R R Range. ange. ange. ange.
・Coolant fluid which offers lubricity, rust protection (such as tap water) and
contains no corrosive substances. Also follow the table 4 on P.16 for the
requirements of fluid viscosity and coolant type.