6
7
5-2
Installing the Sensor Unit
①
Lift the snap lock on the sensor cover and pull the cover toward you to open it.
②
Note the position of the connector and the mounting slot as you push the sensor unit into
place.
③
When the sensor unit is securely in place, close the sensor cover.
CAUTION
：
● If the Gas Detector is used without a properly seated sensor unit, the Gas Detector
will not be air-tight and normal detection may not be possible. Make sure the unit is
properly seated.
● Use the sensor stocker model EC-7 (purchased separately) to supply power to
the sensor unit. A sensor unit that does not have power to it cannot detect gases
and may cause the sensor trouble indicator to light. A sensor unit installed in the
Gas Detector is powered even if the Gas Detector is turned OFF, as long as the
batteries are charged.
● When a sensor unit is replaced (shipped from the plant), install it in the Gas
Detector or connect it to the sensor stocker model EC-7 to supply a sufficient
amount of power to the new unit before turning ON the Gas Detector and using it
for the first time.
● This Gas Detector uses XDS-7 sensor units and is not compatible with CDS-7,
COS-7, CHS-7 or any other sensor units.
●Sensor cover
Lift the snap lock and open the cover.
●Sensor
●Sensor
mounting slot
●Connector
6
7
5 Operating Procedure
Inspect the Gas Detector daily before using it. (Refer to page 13.) If the Detector is used without
first performing the inspection, normal detection may not be possible and leaks may not be
detected.
CAUTION:
The Gas Detector must be turned ON in a clean-air environment. Otherwise, the
performance of the Detector may be impaired and normal detection may not be
possible.
5-1 Inserting Batteries
①
Lift the snap lock on the battery cover and pull the cover toward you to open it.
②
Insert the four AA alkaline batteries provided and make sure they are inserted according to
the polarity indicated in the battery compartment.
③
Close the battery cover.
WARNING
：
Replace all four batteries at the same time with fresh, new batteries.
Also make sure that the replacement batteries are all the same brand and type.
CAUTION
：
Always replace the batteries in the following situations.
①
The battery indicator shows a flashing box (
□
) when the Gas Detector is ON.
(Refer to LCD display on page 5.)
②
Nothing operates when the Gas Detector is ON.
③
The battery check LED (red) is glowing very brightly (as bright as � above) when
the Gas Detector is OFF. (Refer to item � on page 4.)
●Battery
compartment
●Battery cover
Lift the snap lock and open the cover.
