Yamato DC401, Instruction Manual

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13
4. OPERATION PROCEDURES
Main Operation
4. Connect vacuum pump

Connect vacuum hose from pump to the vacuum port on
left side of unit.
(Exhaust port outer diameter: 17mm)
(Inside dia. of applicable vacuum hose: 12mm X outer
diameter 30mm)
Connect the opposite end of the vacuum hose to vacuum
pump inlet.

Seal strength may be improved by applying vacuum seal
grease (silicon grease compound manufactured by TORAY,
H.V.G, etc) to the inside of vacuum hose opening.
5. Connect vacuum pump to power
outlet on back of unit
6
A
2
A

Connect vacuum pump power cable to the 6A power outlet
on back of DC unit.

Keep vacuum pump switch ON.

Do not go above 8A total on 6A outlet.
6. Close valves.

Turn all valves so that surface reading
“VENT” is in the top
position, closing chamber side path.
7. Turn pump switch ON and press
START
PUMP
ON
→
START
OFF

When the trap is sufficiently cooled (time required to reach
minimum temp has passed), start the vacuum pump.

Time required to minimum temperature:
(external temperature: 20°C, no load)
DC401: 50min.
This time is a guideline and may vary. (There will be
condensation near the bottom of vacuum chamber when
sufficient time has passed)
"VENT"
6A
2A