Yamato Scientific DC800 Freeze Dryers - Manual (Page 9)

5
Before Using this unit
Requirements for Installation
WARNING!
1. Always ground this unit
• Connect the power plug to a receptacle with grounding connectors.
• Do not forget to ground this unit, to protect you and the unit from electrical shock in case of
power surge. Choose a receptacle with grounding connectors as often as possible.
• Do not connect the grounding wire to a gas pipe, or by means of a lightning rod or telephone
line. A fire or electrical shock will occur.
• Do not use a branching receptacle, which may cause the heat generation.
2. Choose a proper place for installation
• Do not install this unit in a place where:
♦ Rough or dirty surface.
♦ Flammable gas or corrosive gas is generated.
♦ Ambient temperature bellow 5℃ or above 30°C.
♦ Ambient temperature fluctuates violently.
♦ There is direct sunlight.
♦ There is excessive humidity and dust.
♦ There is a constant vibration.
♦ Winds from the air conditioner, etc. hit the sample container directly.
• Install this unit on a stable place with the space as shown below.
More than
20cm
More than
20cm
Front side
More than 40cm
3. Do not use this unit in an area where there is flammable or explosive gas
• Never use this unit in an area where
there is flammable or explosive gas.
This unit is not explosion-proof. An arc
may be generated when the power
switch is turned ON or OFF, and
fire/explosion may result.
• To know about flammable or explosive
gas refer to page28 “List of Dangerous
Substances”.
可燃性ガス
爆発性ガス
Main
Unit