Yokogawa GC8000 Process Gas Chromatograph - Manual (Page 358)

<6. Maintenance>
6-5
IM 11B08A01-01E
(a) One enclosure (b) Two enclosures
Figure 6.2
(1) Pressure Switch for Detecting Internal Pressure
This pressure switch detects the pressure inside the electronics section. The pressure switch is
installed on the protection system and set to turn off at 392 ±20 Pa.
(1) Stop the operation (See “3.3.4 Stopping operation” for this procedure).
(2) Stop the supply of power.
(3) Confi rm that the LED (Green) of “POWER” is OFF.
CAUTION
The isothermal oven is extremely hot after turning off the power immediately. Keep the purging
air supplied for more than an hour after turning off the power. Keep hands away from the oven
components.
(4) Turn off the purging air.
(5) Loosen the locknuts on the cover for the protection system A of the right side and remove
the cover.
2nd Edition : May 11, 2012-00
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