Yamato Scientific DC800 Freeze Dryers - Manual (Page 16)

12
Operation Method
Procedure of Operation
Before operation, prepare a drying chamber, a vacuum pump, a vacuum hose, a tandem tube, etc.
Vacuum Pump: PD52 (YAMATO Product)
Exhaust amount: 50 ・/min, Ultimate pressure: 6.7×10
-2
Pa,
Diameter of inlet pipe: 18mm (or equivalent)
1. Supply the power
ON
• Turn "ON" the earth leakage breaker.
2. Operation of the refrigerator
DEFROST
ON
OFF
ON
OFF
REFRIGE
• Turn "ON" the refrigerator switch. The refrigerator
activates.
™ There is the case that the starting sound of the refrigerator
might become higher depending on the operation initial status
and ambient temperature. However, this phenomenon is not
abnormal.
3. Installation of chamber
1. Make sure that there is no dust adhered to the trap packing
or the chamber for flask installation.
™ If any dent or dust is existed, degree of vacuum in the trap
bath becomes low.
2. Gently put the chamber for flask installation etc. on trap
packing.
™ If it has not stuck to trap packing enough, it will become the
cause of a vacuum leak.
™ The same is said of the case of a manifold etc.
Chamber for flask
installation
(Optional)
Trap packing
Manifold A