horiba APNA-370, Operation Manual

Page: 17 / 113

2 BASIC OPERATIONS
5
2.2 Shutdown
Keep APNA-370 powered ON for a while after the O
3
lamp is turned OFF. And the ozone
inside the system will be replaced with atmospheric air.
To prevent ozone from remaining in the piping and decaying the system, follow the procedures
mentioned below to shut down the system.
Note

The average and integration values are saved in the flash memory every 10 minutes.
Before turning OFF the power, be sure to save the data in the memory (see “6.6.4 Data saving”
(page 65)).

If power outage or a similar accident occurs, data may not be recorded for 10 minutes at a
maximum.

If the data logging capability (optional) for the CF is enabled, access to the CF will occur non-
periodically. Be sure to disable the data logging capability before turning OFF the power, so that
the power is not turned OFF during access to the CF. (Turning OFF the power during access to
the CF may damage the data in CF.) (See the Instruction Manual for APXX-370 Series Compact
Flash Memory.)
1. Save the data in the memory (see “6.6.4 Data saving” (page 65)).
2.
Ensure that the data logging capability is disabled during data logging (optional).
(See the Instruction Manual for APXX-370 Series Compact Flash Memory.)
3.
Power OFF the O
3
generator (see “6.6.5 Turning ON/OFF the ozone lamp” (page
66)).
4.
Wait approximately 10 minutes, and then turn OFF the power of APNA-370.
Before a long-term shutdown, it is recommended to replace the filter element (see “7.3
Replacing the Filter Element” (page 79)).