RKI Instruments GD-K71D User Manual

Page 22

PT2E-1052

5.OPERATION METHOD

５−１．Preparation before start up

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Before marking power on, take care of the following. If do not keep this, there is the danger

of electrical shock and damage of detector.

（１）Make grounding.
（２）Check that the wiring with outer unit is made correctly.
（３）Check that the power voltage is within the rating.
（４）During adjustment, there is the case to work alarm relay contact.
Arrange not to affect the outside even if the contact work.
（５）Check that the dust filters are connected correctly or not.

（６）For security purpose, check that it is a designated rated fuse or not.

５−２．Basic performance flow

Normally this is used in detection mode after making power on.

CAUTION

Filters are designated by kind of detection gas.

Power on

Preparation for start-up

Initial clear (Approx 25 sec.)

Detection mode

Alarm test mode

TEST/SET switch (Press for about 3 sec.)

MODE switch (Press for about 3 sec.)

Maintenance mode
・Zero adjustment
・Confirmation of alarm levels

(ALM1，ALM2)