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7. Operation
7-1. Precautions before Use
7-2. Operating Procedure
1) Follow steps 1, 3, 4, and 5 of 5.
“Installation” to
slide up and open the cover. (The cover is not
fully opened.)
1. Open the screw cover.
3. Loosen the two fastening screws.
4. Slightly pull the cover forward.
5. Slide the cover up (cover is open).
2) Set the main power switch to the on (up)
position.
3) Follow steps 7, 8, and 10 of 5.
“Installation” to
close the cover and tighten the screws.
7. Slide the cover down (cover is closed).
8. While pressing the cover toward the case,
10. secure the screw cover to the case with the
two fastening screws.
CAUTION
Secure the cover by tightening the
two fastening screws. Proper gas
detection is not possible if the cover
is not tightly closed.
Status indicator
LCD
POWER button
▪
Before turning on the unit, check that all wiring is correct. Refer to 6.
“Wiring” or delivery
specifications if provided.
▪
Ensure there is no target or interfering gas in the air before use.
▪
Before the sensor output is stable, the relay contacts may possibly activate after the
warm-up completes. If the relay contact outputs are used to interlock external devices,
release the interlocks to prevent possible activation, if necessary.
▪
During the warm-up, the analog signal output is fixed at 4mA and the external relay
contacts are disabled.
CAUTION
Screw cover
Cover
Partly
open
Main power
switch