ULVAC CRYOGENICS INCORPORATED
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2.1 Front view of EMP-14A (Figure 2-1)
Emergency off button
Press this button to interrupt power supply to the
control circuit to stop such operations as dispensing
liquid nitrogen. Do not use this button except for
emergency.
Front door
Remove two screws to open this door. Inside the
door, there are a liquid nitrogen dewar, a cold head
and electric circuits. Open this door only for periodic
inspection, maintenance and repair services.
LN2 manual dispense port
Press the panel to open. Inside the panel, there is a
tube connector for liquid nitrogen flexible hose. Since
the port may reach extremely low temperature, use
cautions not to touch such port during or right after
dispensing liquid nitrogen.
Pressure gauge
Displays the pressure inside the dewar.
SA115-C display
Displays the status of SA115-C. Reset with
RUN/STOP button after the cause of an error
condition of SA115-C is cleared.
Air entrance
This part is for taking air into SA115-C for air-c
ooling.
Do not block, always leave space in front.
2.2 Operation panel of EMP-14A (Figure 2-2)
RUN/STOP
Use this button to start or stop the main unit. This
button lights green during normal operation, and
blinks when an error occurs. Note that the light is off
when the device is in eco-mode standby.
RESET
This switch is used to clear the error state of
EMP-14A.
AUTO READY
Use this button when you wish to use automatic