Working with the laborota 20 eco, Operation, Master switch / stop-mode switch – Heidolph LABOROTA 20 eco User Manual
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E
Turn master switch OFF.
Reset over temperature protector by introducing an insulated screwdriver through the little
hole at the lower right end of the unit. (remove black plastic plug to gain access through
panel)
WORKING WITH THE LABOROTA 20 ECO
Use rotary evaporators with appropriate care. Comply with standard laboratory safety
practices.
Be cautious when working with flammable solvents; motors and limit switches are of non-
sparking type but we cannot guarantee that the unit is explosion-proof.
SAFETY INFORMATION:
WHEN CONNECTING YOUR UNIT WITH YOUR LOCAL POWER SUPPLY,
PLEASE MAKE SURE YOUR UNIT IS DESIGNED FOR YOUR LOCAL SUPPLY
VOLTAGE; GO BY DATA PLATE ON THE UNIT.
CONNECT YOUR ROTARY EVAPORATOR WITH A GROUNDED OUTLET ONLY.
OPERATION
27. Master switch / Stop-Mode switch
The master switch disconnects all wires from power supply, and serves as a RESET button.
(after Stop-Mode).
The Stop-Mode switch discontinues operation of the rotary evaporator immediately.
Stop rotation
Lowers heating bath
Opens aerating valve (vacuum valve closes)
Turns OFF heating circuit
Stop-Mode LED turns ON
Master switch
Stop-Mode switch