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4. Precautions
(1)
Observe precautions, and operate the product within specifications.
(2)
Read the instruction manual prior to installation, operation, maintenance and inspection
of the product. Especially pay attention to safety.
(3)
The vanes may get damaged if the residual pressure reverses the rotation when the pump
stops. A check valve must be installed within 50 cm from the inlet port or exhaust port for
protection.
(4)
Be sure to install the product horizontally on the flat surface.
(5)
Operating the product in an enclosed space may cause malfunction due to heat generated
from the pump. Provide good ventilation around the product, so the ambient temperature
does not exceed the permissible level.
(6)
Be sure to clean the filters periodically. Failure to do so may cause clogging and result in
trouble due to overload.
(7)
Wiring work has to be performed by qualified personnel according to applicable laws and
in-house regulations.
(8)
Be sure to install an overload protection such as a thermal relay in the electric circuit.
(9)
Allowable intermittent power supply voltage fluctuation range is ±10% of the specified
voltage; allowable sustained supply voltage fluctuation range is ±5% of the specified voltage.
(10)
Be sure to use the product 1,000m or below above sea level.
5. Accessories
D type compound gauge
φ60
−7−
Spec.No. KRF110-V-04E
1 piece
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