PT1E-0930
16
５．OPERATION METHOD
５－１．Start-up
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Before putting power ON……………
Before putting power ON, keep following caution items. If not, danger for electric shock or damage to the unit
will be happen.
（１）Make grounding.
（２）Check that wirings with outer units are made correctly.
（３）Check that the supply voltage is within a rating.
（４）Relay contact for outer alarm may work during adjustments. Even relay contact works, treat that any
influence will not be given to the outer.
（５）To prevent fire, check that the designated fuse is used.
５－２．Basic performance flow
In normal operation, it is used on detection mode.
Power on
Stand-by
Initial clear (approx. 25sec.)
Detection mode
Alarm test mode
SET switch (Press for about 3 sec.)
ＭＯＤＥ switch (Press for about 3 sec.)
Maintenance mode
・Zero adjustment
・Change of alarm levels（ＡＬ１, ＡＬ２）
・Span adjustment
CAUTION
Maintenance mode shall be performed by the specialized
service man. Do not operate it without permission.
