SK00-4390-DI-002-11
23
4.2 Operation Start
Before starting the pump, check the following again.
(1) Piping and wire connection are completed .
(2) Checking the oil level (Refer to the “Fig. 4 Lubrication and water piping drawing”)
The oil level shall be between level lines of the Oil level gauge (casted line on the Pump
case,
indication of MAX and MIN). The oil level comes down approximately 1 cm after started
operation. Add the oil if it was around the minimum level.
(3) Coolant volume
Ensure that the Coolant flows 4~6 L/min for the VS1501 and 5~7 L/min for the VS2401.
Check also that there is no leakage of the Coolant.
(4) Direction of rotation
Close the Vacuum valve on the Suction inlet and open the Leak valve. Run the Pump 2 or
3
seconds to check the direction of the Motor rotation by the Fan put on the edge face.
The pressure shall come down if the rotation direction was correct (clockwise viewed from
the
Motor). If it rotated reverse, the Power Supply phase is reversed. Replace connection of
two of three wires shown on Fig. 7.
(5)
Check and ensure the item (1) (2) (3) and (4) above, then close the Leak valve to run the
Pump.
Check this time whether the Vacuum gauge between the Vacuum valve and Pump unit
indicates the pressure comes down around the ultimate pressure.
You have a risk of getting burnt. Do not touch the Motor and Pump unit
as they become high temperature (70°C ~ 80°C) during operation.
Apply an appropriate protection to avoid to touch the surface as
necessary.
Refrain from touching any part other than valve when operating the Gas
ballast.
Ensure to close the Gas ballast to start the operation.
The oil might jet out during operation around high pressure range.
Oil mist would appear through the Exhaust side if operated around high
pressure range.
Provide the Duct piping or exhaust system to discharge it outdoor.
Summary of Contents for VS1501
Page 2: ......
Page 13: ...SK00 4390 DI 002 11 xi Fig 1 Warning Label display position...
Page 27: ...SK00 4390 DI 002 11 7 Fig 2 VS1501 Dimensional drawing...
Page 28: ...SK00 4390 DI 002 11 8 Fig 3 VS2401 Dimensional drawing...
Page 36: ...SK00 4390 DI 002 11 16 Fig 5 Suction Exhaust piping connection diagram...