Yamato Scientific DC800 Freeze Dryers - Manual (Page 17)

13
Operation Method
Procedure of Operation
4. Connection with the vacuum
pump
• Connect the vacuum hose to the exhaust port on the left
side.
(Exhaust port: outer shape 17 ㎜)
(Inside dia. of applicable vacuum hose: 12 X outer shape
30 ㎜)
Connect the opposite side of the vacuum hose to the inlet
of the vacuum pump.
™ The vacuum hose is not included.
™ Seal strength shall be improved by applying the vacuum seal
(silicon grease compound manufactured by TORAY, H.V.G,
etc) inside of the vacuum hose at connecting.
5. Connect the vacuum pump with
the rear receptacle
6
A 2
A
• Insert the power code of the vacuum pump into the 6A
receptacle of the rear side.
• Keep the switch of the vacuum pump ON.
™ Use the receptacle below 8A in total.
6. Make all valves for "VENT" to turn
up
• Make all valves for “VENT” face to turn up, and close the
path of the chamber side.
7. Turn ON the vacuum pump switch.
Then, press Start switch once
PUMP
ON
→
START
OFF
• After the trap bath becomes cold enough (if the lowest
temperature attainment time is over), start the vacuum
pump operation.
• The Lowest temperature attainment time:
(Outside temperature: 20℃, no load)
DC400: 50min., DC800: 80min.
This is guideline. (Condensation might be caused at the
bottom of the chamber.)
"VENT"