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Fig. 1

Turning On the Mercury Burner

· Set the main switch of the power supply unit to " " (ON). The

arc will stabilize in 5 to 10 minutes after ignition.

# Some mercury burners may not ignite the first time the

power is turned ON due to variance in production, and

the safety mechanism in the starter of the power supply

unit is activated to reset the starter in such a case. If this

occurs, set the main switch to "

insert a thin object such as a mechanical pencil tip into

the starter reset hole 1 on the right panel of the power

supply unit to press the internal switch, and set the main

switch to " " (ON) again.

# To avoid shortening the power supply unit's operating

life, avoid turning power on while the burner is not

mounted or turning power on and off within short time

intervals.

# To avoid shortening the burner life, do not turn the

burner off within 15 minutes after ignition. Use the

shutter instead.

# After the burner is turned off, it cannot be re-ignited

before the mercury vapor cools and condenses to

liquid. Wait about 10 minutes before restarting the

burner.

If the lamp housing is opened while the burner is ignited,

the safety interlock will activate and switch off the power

automatically. In this case, set the main switch to "

(OFF) and wait for more than 10 minutes before restarting

the burner. The lamp housing can be opened only after

it has cooled down fully.

When resetting the hour counter, be sure to press the

reset button until "0.0" is displayed.

When the hour counter indicates "100.0", set the main

switch to "

" (OFF) for safety, wait for more than 10

minutes, then replace the lamp burner after making sure

that the lamp housing has cooled down.

A mercury burner seals high-pressure gas inside. If

the burner is used beyond its service life, stress may

accumulate inside the burner, and in the worst (but

very rare) case, the burner could explode.

(Fig. 1)

" (OFF) once, then