HMP-1817E 6 (6/18)
2) Suction pressure of pump
Please set the suction pressure of pump to 0.03 +0.03MPa (-0.3 +0.3kgf/cm
2
).
3) Suction filter
a) Please make sure to install suction filter to pump suction side.
b) For mesh size, please choose the range of 60 150 meshes according to installation
environment and operating conditions of the unit.
c) For the capacity of filter, please select enough size in consideration of clogging of filter .
4) Suction and Delivery circuit
a) Pump can be damaged caused by air suction or coolant bubble, so please make sure to install
that the pump suction port would be soaked into the coolant at all time.
b) When you install the piping on the suction port, please adjust the height to prevent that
pump draw the sludge stagnating on the bottom of the tank in.
c) In the case that the pipe connected to the delivery port is the steel, it may cause a risk or unit
oscillation, noise increasing and external load for pump, so we recommend to use a rubber
hose.
d) When you need to install the piping, please make sure to clean or neutralize acid in the pipe
before installation.
5) Wiring
! WARNING
: Please check the voltage and frequency written in nameplate are
consistent with those you supply.
It may cause a risk of burn or fire.
! WARNING
: Please connect the power cable and lead wire of motor according to
connection diagram in terminal box or this manual.
Otherwise, it may cause a risk of electric shock and/or fire.
! WARNING
: Do not bend, pull, or pinch the power cable or lead wire of motor
forcibly.
It may cause a risk of electrical shock.
! WARNING
: Wiring must be conducted by personnel having expertise.
It may cause a risk of burn or fire.
! WARNING
: When measuring insulation resistance, do not touch the terminals.
It may cause a risk of electrical shock.
! WARNING
: Please note motor is not provided with protection device.
Please make sure to provide overload protection device.
We recommend you also provide protection device other than for
overload(earth leakage breaker etc.).
! WARNING
: Make sure to ground the earth terminal.
Otherwise, it may cause a risk of electrical shock.
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